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1563 lines
36 KiB
1563 lines
36 KiB
# Library of functions shared by all tests scripts, included by |
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# test-lib.sh. |
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# |
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# Copyright (c) 2005 Junio C Hamano |
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# |
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# This program is free software: you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation, either version 2 of the License, or |
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# (at your option) any later version. |
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# |
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# This program is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with this program. If not, see http://www.gnu.org/licenses/ . |
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|
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# The semantics of the editor variables are that of invoking |
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# sh -c "$EDITOR \"$@\"" files ... |
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# |
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# If our trash directory contains shell metacharacters, they will be |
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# interpreted if we just set $EDITOR directly, so do a little dance with |
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# environment variables to work around this. |
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# |
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# In particular, quoting isn't enough, as the path may contain the same quote |
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# that we're using. |
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test_set_editor () { |
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FAKE_EDITOR="$1" |
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export FAKE_EDITOR |
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EDITOR='"$FAKE_EDITOR"' |
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export EDITOR |
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} |
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|
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test_set_index_version () { |
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GIT_INDEX_VERSION="$1" |
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export GIT_INDEX_VERSION |
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} |
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|
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test_decode_color () { |
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awk ' |
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function name(n) { |
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if (n == 0) return "RESET"; |
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if (n == 1) return "BOLD"; |
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if (n == 2) return "FAINT"; |
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if (n == 3) return "ITALIC"; |
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if (n == 7) return "REVERSE"; |
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if (n == 30) return "BLACK"; |
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if (n == 31) return "RED"; |
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if (n == 32) return "GREEN"; |
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if (n == 33) return "YELLOW"; |
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if (n == 34) return "BLUE"; |
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if (n == 35) return "MAGENTA"; |
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if (n == 36) return "CYAN"; |
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if (n == 37) return "WHITE"; |
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if (n == 40) return "BLACK"; |
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if (n == 41) return "BRED"; |
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if (n == 42) return "BGREEN"; |
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if (n == 43) return "BYELLOW"; |
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if (n == 44) return "BBLUE"; |
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if (n == 45) return "BMAGENTA"; |
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if (n == 46) return "BCYAN"; |
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if (n == 47) return "BWHITE"; |
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} |
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{ |
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while (match($0, /\033\[[0-9;]*m/) != 0) { |
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printf "%s<", substr($0, 1, RSTART-1); |
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codes = substr($0, RSTART+2, RLENGTH-3); |
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if (length(codes) == 0) |
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printf "%s", name(0) |
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else { |
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n = split(codes, ary, ";"); |
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sep = ""; |
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for (i = 1; i <= n; i++) { |
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printf "%s%s", sep, name(ary[i]); |
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sep = ";" |
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} |
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} |
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printf ">"; |
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$0 = substr($0, RSTART + RLENGTH, length($0) - RSTART - RLENGTH + 1); |
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} |
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print |
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} |
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' |
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} |
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|
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lf_to_nul () { |
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perl -pe 'y/\012/\000/' |
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} |
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|
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nul_to_q () { |
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perl -pe 'y/\000/Q/' |
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} |
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|
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q_to_nul () { |
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perl -pe 'y/Q/\000/' |
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} |
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|
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q_to_cr () { |
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tr Q '\015' |
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} |
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|
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q_to_tab () { |
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tr Q '\011' |
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} |
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|
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qz_to_tab_space () { |
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tr QZ '\011\040' |
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} |
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|
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append_cr () { |
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sed -e 's/$/Q/' | tr Q '\015' |
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} |
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|
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remove_cr () { |
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tr '\015' Q | sed -e 's/Q$//' |
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} |
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|
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# Generate an output of $1 bytes of all zeroes (NULs, not ASCII zeroes). |
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# If $1 is 'infinity', output forever or until the receiving pipe stops reading, |
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# whichever comes first. |
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generate_zero_bytes () { |
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test-tool genzeros "$@" |
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} |
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|
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# In some bourne shell implementations, the "unset" builtin returns |
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# nonzero status when a variable to be unset was not set in the first |
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# place. |
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# |
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# Use sane_unset when that should not be considered an error. |
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|
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sane_unset () { |
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unset "$@" |
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return 0 |
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} |
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|
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test_tick () { |
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if test -z "${test_tick+set}" |
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then |
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test_tick=1112911993 |
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else |
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test_tick=$(($test_tick + 60)) |
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fi |
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GIT_COMMITTER_DATE="$test_tick -0700" |
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GIT_AUTHOR_DATE="$test_tick -0700" |
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export GIT_COMMITTER_DATE GIT_AUTHOR_DATE |
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} |
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|
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# Stop execution and start a shell. This is useful for debugging tests. |
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# |
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# Be sure to remove all invocations of this command before submitting. |
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|
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test_pause () { |
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"$SHELL_PATH" <&6 >&5 2>&7 |
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} |
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|
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# Wrap git with a debugger. Adding this to a command can make it easier |
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# to understand what is going on in a failing test. |
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# |
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# Examples: |
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# debug git checkout master |
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# debug --debugger=nemiver git $ARGS |
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# debug -d "valgrind --tool=memcheck --track-origins=yes" git $ARGS |
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debug () { |
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case "$1" in |
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-d) |
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GIT_DEBUGGER="$2" && |
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shift 2 |
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;; |
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--debugger=*) |
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GIT_DEBUGGER="${1#*=}" && |
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shift 1 |
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;; |
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*) |
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GIT_DEBUGGER=1 |
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;; |
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esac && |
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GIT_DEBUGGER="${GIT_DEBUGGER}" "$@" <&6 >&5 2>&7 |
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} |
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|
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# Call test_commit with the arguments |
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# [-C <directory>] <message> [<file> [<contents> [<tag>]]]" |
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# |
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# This will commit a file with the given contents and the given commit |
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# message, and tag the resulting commit with the given tag name. |
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# |
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# <file>, <contents>, and <tag> all default to <message>. |
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# |
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# If the first argument is "-C", the second argument is used as a path for |
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# the git invocations. |
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|
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test_commit () { |
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notick= && |
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signoff= && |
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indir= && |
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while test $# != 0 |
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do |
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case "$1" in |
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--notick) |
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notick=yes |
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;; |
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--signoff) |
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signoff="$1" |
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;; |
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-C) |
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indir="$2" |
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shift |
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;; |
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*) |
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break |
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;; |
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esac |
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shift |
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done && |
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indir=${indir:+"$indir"/} && |
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file=${2:-"$1.t"} && |
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echo "${3-$1}" > "$indir$file" && |
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git ${indir:+ -C "$indir"} add "$file" && |
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if test -z "$notick" |
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then |
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test_tick |
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fi && |
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git ${indir:+ -C "$indir"} commit $signoff -m "$1" && |
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git ${indir:+ -C "$indir"} tag "${4:-$1}" |
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} |
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|
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# Call test_merge with the arguments "<message> <commit>", where <commit> |
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# can be a tag pointing to the commit-to-merge. |
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|
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test_merge () { |
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label="$1" && |
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shift && |
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test_tick && |
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git merge -m "$label" "$@" && |
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git tag "$label" |
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} |
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|
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# Efficiently create <nr> commits, each with a unique number (from 1 to <nr> |
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# by default) in the commit message. |
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# |
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# Usage: test_commit_bulk [options] <nr> |
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# -C <dir>: |
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# Run all git commands in directory <dir> |
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# --ref=<n>: |
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# ref on which to create commits (default: HEAD) |
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# --start=<n>: |
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# number commit messages from <n> (default: 1) |
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# --message=<msg>: |
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# use <msg> as the commit mesasge (default: "commit %s") |
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# --filename=<fn>: |
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# modify <fn> in each commit (default: %s.t) |
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# --contents=<string>: |
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# place <string> in each file (default: "content %s") |
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# --id=<string>: |
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# shorthand to use <string> and %s in message, filename, and contents |
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# |
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# The message, filename, and contents strings are evaluated by printf, with the |
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# first "%s" replaced by the current commit number. So you can do: |
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# |
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# test_commit_bulk --filename=file --contents="modification %s" |
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# |
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# to have every commit touch the same file, but with unique content. |
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# |
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test_commit_bulk () { |
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tmpfile=.bulk-commit.input |
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indir=. |
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ref=HEAD |
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n=1 |
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message='commit %s' |
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filename='%s.t' |
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contents='content %s' |
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while test $# -gt 0 |
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do |
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case "$1" in |
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-C) |
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indir=$2 |
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shift |
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;; |
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--ref=*) |
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ref=${1#--*=} |
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;; |
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--start=*) |
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n=${1#--*=} |
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;; |
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--message=*) |
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message=${1#--*=} |
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;; |
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--filename=*) |
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filename=${1#--*=} |
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;; |
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--contents=*) |
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contents=${1#--*=} |
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;; |
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--id=*) |
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message="${1#--*=} %s" |
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filename="${1#--*=}-%s.t" |
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contents="${1#--*=} %s" |
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;; |
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-*) |
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BUG "invalid test_commit_bulk option: $1" |
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;; |
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*) |
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break |
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;; |
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esac |
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shift |
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done |
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total=$1 |
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|
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add_from= |
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if git -C "$indir" rev-parse --quiet --verify "$ref" |
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then |
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add_from=t |
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fi |
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|
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while test "$total" -gt 0 |
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do |
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test_tick && |
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echo "commit $ref" |
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printf 'author %s <%s> %s\n' \ |
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"$GIT_AUTHOR_NAME" \ |
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"$GIT_AUTHOR_EMAIL" \ |
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"$GIT_AUTHOR_DATE" |
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printf 'committer %s <%s> %s\n' \ |
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"$GIT_COMMITTER_NAME" \ |
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"$GIT_COMMITTER_EMAIL" \ |
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"$GIT_COMMITTER_DATE" |
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echo "data <<EOF" |
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printf "$message\n" $n |
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echo "EOF" |
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if test -n "$add_from" |
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then |
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echo "from $ref^0" |
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add_from= |
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fi |
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printf "M 644 inline $filename\n" $n |
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echo "data <<EOF" |
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printf "$contents\n" $n |
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echo "EOF" |
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echo |
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n=$((n + 1)) |
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total=$((total - 1)) |
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done >"$tmpfile" |
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|
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git -C "$indir" \ |
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-c fastimport.unpacklimit=0 \ |
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fast-import <"$tmpfile" || return 1 |
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|
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# This will be left in place on failure, which may aid debugging. |
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rm -f "$tmpfile" |
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|
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# If we updated HEAD, then be nice and update the index and working |
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# tree, too. |
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if test "$ref" = "HEAD" |
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then |
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git -C "$indir" checkout -f HEAD || return 1 |
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fi |
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|
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} |
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|
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# This function helps systems where core.filemode=false is set. |
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# Use it instead of plain 'chmod +x' to set or unset the executable bit |
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# of a file in the working directory and add it to the index. |
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|
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test_chmod () { |
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chmod "$@" && |
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git update-index --add "--chmod=$@" |
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} |
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|
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# Get the modebits from a file. |
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test_modebits () { |
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ls -l "$1" | sed -e 's|^\(..........\).*|\1|' |
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} |
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|
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# Unset a configuration variable, but don't fail if it doesn't exist. |
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test_unconfig () { |
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config_dir= |
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if test "$1" = -C |
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then |
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shift |
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config_dir=$1 |
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shift |
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fi |
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git ${config_dir:+-C "$config_dir"} config --unset-all "$@" |
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config_status=$? |
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case "$config_status" in |
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5) # ok, nothing to unset |
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config_status=0 |
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;; |
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esac |
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return $config_status |
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} |
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|
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# Set git config, automatically unsetting it after the test is over. |
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test_config () { |
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config_dir= |
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if test "$1" = -C |
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then |
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shift |
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config_dir=$1 |
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shift |
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fi |
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test_when_finished "test_unconfig ${config_dir:+-C '$config_dir'} '$1'" && |
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git ${config_dir:+-C "$config_dir"} config "$@" |
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} |
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|
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test_config_global () { |
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test_when_finished "test_unconfig --global '$1'" && |
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git config --global "$@" |
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} |
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|
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write_script () { |
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{ |
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echo "#!${2-"$SHELL_PATH"}" && |
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cat |
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} >"$1" && |
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chmod +x "$1" |
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} |
|
|
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# Use test_set_prereq to tell that a particular prerequisite is available. |
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# The prerequisite can later be checked for in two ways: |
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# |
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# - Explicitly using test_have_prereq. |
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# |
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# - Implicitly by specifying the prerequisite tag in the calls to |
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# test_expect_{success,failure,code}. |
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# |
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# The single parameter is the prerequisite tag (a simple word, in all |
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# capital letters by convention). |
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|
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test_unset_prereq () { |
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! test_have_prereq "$1" || |
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satisfied_prereq="${satisfied_prereq% $1 *} ${satisfied_prereq#* $1 }" |
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} |
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|
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test_set_prereq () { |
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if test -n "$GIT_TEST_FAIL_PREREQS_INTERNAL" |
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then |
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case "$1" in |
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# The "!" case is handled below with |
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# test_unset_prereq() |
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!*) |
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;; |
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# (Temporary?) whitelist of things we can't easily |
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# pretend not to support |
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SYMLINKS) |
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;; |
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# Inspecting whether GIT_TEST_FAIL_PREREQS is on |
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# should be unaffected. |
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FAIL_PREREQS) |
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;; |
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*) |
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return |
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esac |
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fi |
|
|
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case "$1" in |
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!*) |
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test_unset_prereq "${1#!}" |
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;; |
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*) |
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satisfied_prereq="$satisfied_prereq$1 " |
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;; |
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esac |
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} |
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satisfied_prereq=" " |
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lazily_testable_prereq= lazily_tested_prereq= |
|
|
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# Usage: test_lazy_prereq PREREQ 'script' |
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test_lazy_prereq () { |
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lazily_testable_prereq="$lazily_testable_prereq$1 " |
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eval test_prereq_lazily_$1=\$2 |
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} |
|
|
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test_run_lazy_prereq_ () { |
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script=' |
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mkdir -p "$TRASH_DIRECTORY/prereq-test-dir" && |
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( |
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cd "$TRASH_DIRECTORY/prereq-test-dir" &&'"$2"' |
|
)' |
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say >&3 "checking prerequisite: $1" |
|
say >&3 "$script" |
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test_eval_ "$script" |
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eval_ret=$? |
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rm -rf "$TRASH_DIRECTORY/prereq-test-dir" |
|
if test "$eval_ret" = 0; then |
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say >&3 "prerequisite $1 ok" |
|
else |
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say >&3 "prerequisite $1 not satisfied" |
|
fi |
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return $eval_ret |
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} |
|
|
|
test_have_prereq () { |
|
# prerequisites can be concatenated with ',' |
|
save_IFS=$IFS |
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IFS=, |
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set -- $* |
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IFS=$save_IFS |
|
|
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total_prereq=0 |
|
ok_prereq=0 |
|
missing_prereq= |
|
|
|
for prerequisite |
|
do |
|
case "$prerequisite" in |
|
!*) |
|
negative_prereq=t |
|
prerequisite=${prerequisite#!} |
|
;; |
|
*) |
|
negative_prereq= |
|
esac |
|
|
|
case " $lazily_tested_prereq " in |
|
*" $prerequisite "*) |
|
;; |
|
*) |
|
case " $lazily_testable_prereq " in |
|
*" $prerequisite "*) |
|
eval "script=\$test_prereq_lazily_$prerequisite" && |
|
if test_run_lazy_prereq_ "$prerequisite" "$script" |
|
then |
|
test_set_prereq $prerequisite |
|
fi |
|
lazily_tested_prereq="$lazily_tested_prereq$prerequisite " |
|
esac |
|
;; |
|
esac |
|
|
|
total_prereq=$(($total_prereq + 1)) |
|
case "$satisfied_prereq" in |
|
*" $prerequisite "*) |
|
satisfied_this_prereq=t |
|
;; |
|
*) |
|
satisfied_this_prereq= |
|
esac |
|
|
|
case "$satisfied_this_prereq,$negative_prereq" in |
|
t,|,t) |
|
ok_prereq=$(($ok_prereq + 1)) |
|
;; |
|
*) |
|
# Keep a list of missing prerequisites; restore |
|
# the negative marker if necessary. |
|
prerequisite=${negative_prereq:+!}$prerequisite |
|
if test -z "$missing_prereq" |
|
then |
|
missing_prereq=$prerequisite |
|
else |
|
missing_prereq="$prerequisite,$missing_prereq" |
|
fi |
|
esac |
|
done |
|
|
|
test $total_prereq = $ok_prereq |
|
} |
|
|
|
test_declared_prereq () { |
|
case ",$test_prereq," in |
|
*,$1,*) |
|
return 0 |
|
;; |
|
esac |
|
return 1 |
|
} |
|
|
|
test_verify_prereq () { |
|
test -z "$test_prereq" || |
|
expr >/dev/null "$test_prereq" : '[A-Z0-9_,!]*$' || |
|
BUG "'$test_prereq' does not look like a prereq" |
|
} |
|
|
|
test_expect_failure () { |
|
test_start_ |
|
test "$#" = 3 && { test_prereq=$1; shift; } || test_prereq= |
|
test "$#" = 2 || |
|
BUG "not 2 or 3 parameters to test-expect-failure" |
|
test_verify_prereq |
|
export test_prereq |
|
if ! test_skip "$@" |
|
then |
|
say >&3 "checking known breakage of $TEST_NUMBER.$test_count '$1': $2" |
|
if test_run_ "$2" expecting_failure |
|
then |
|
test_known_broken_ok_ "$1" |
|
else |
|
test_known_broken_failure_ "$1" |
|
fi |
|
fi |
|
test_finish_ |
|
} |
|
|
|
test_expect_success () { |
|
test_start_ |
|
test "$#" = 3 && { test_prereq=$1; shift; } || test_prereq= |
|
test "$#" = 2 || |
|
BUG "not 2 or 3 parameters to test-expect-success" |
|
test_verify_prereq |
|
export test_prereq |
|
if ! test_skip "$@" |
|
then |
|
say >&3 "expecting success of $TEST_NUMBER.$test_count '$1': $2" |
|
if test_run_ "$2" |
|
then |
|
test_ok_ "$1" |
|
else |
|
test_failure_ "$@" |
|
fi |
|
fi |
|
test_finish_ |
|
} |
|
|
|
# test_external runs external test scripts that provide continuous |
|
# test output about their progress, and succeeds/fails on |
|
# zero/non-zero exit code. It outputs the test output on stdout even |
|
# in non-verbose mode, and announces the external script with "# run |
|
# <n>: ..." before running it. When providing relative paths, keep in |
|
# mind that all scripts run in "trash directory". |
|
# Usage: test_external description command arguments... |
|
# Example: test_external 'Perl API' perl ../path/to/test.pl |
|
test_external () { |
|
test "$#" = 4 && { test_prereq=$1; shift; } || test_prereq= |
|
test "$#" = 3 || |
|
BUG "not 3 or 4 parameters to test_external" |
|
descr="$1" |
|
shift |
|
test_verify_prereq |
|
export test_prereq |
|
if ! test_skip "$descr" "$@" |
|
then |
|
# Announce the script to reduce confusion about the |
|
# test output that follows. |
|
say_color "" "# run $test_count: $descr ($*)" |
|
# Export TEST_DIRECTORY, TRASH_DIRECTORY and GIT_TEST_LONG |
|
# to be able to use them in script |
|
export TEST_DIRECTORY TRASH_DIRECTORY GIT_TEST_LONG |
|
# Run command; redirect its stderr to &4 as in |
|
# test_run_, but keep its stdout on our stdout even in |
|
# non-verbose mode. |
|
"$@" 2>&4 |
|
if test "$?" = 0 |
|
then |
|
if test $test_external_has_tap -eq 0; then |
|
test_ok_ "$descr" |
|
else |
|
say_color "" "# test_external test $descr was ok" |
|
test_success=$(($test_success + 1)) |
|
fi |
|
else |
|
if test $test_external_has_tap -eq 0; then |
|
test_failure_ "$descr" "$@" |
|
else |
|
say_color error "# test_external test $descr failed: $@" |
|
test_failure=$(($test_failure + 1)) |
|
fi |
|
fi |
|
fi |
|
} |
|
|
|
# Like test_external, but in addition tests that the command generated |
|
# no output on stderr. |
|
test_external_without_stderr () { |
|
# The temporary file has no (and must have no) security |
|
# implications. |
|
tmp=${TMPDIR:-/tmp} |
|
stderr="$tmp/git-external-stderr.$$.tmp" |
|
test_external "$@" 4> "$stderr" |
|
test -f "$stderr" || error "Internal error: $stderr disappeared." |
|
descr="no stderr: $1" |
|
shift |
|
say >&3 "# expecting no stderr from previous command" |
|
if test ! -s "$stderr" |
|
then |
|
rm "$stderr" |
|
|
|
if test $test_external_has_tap -eq 0; then |
|
test_ok_ "$descr" |
|
else |
|
say_color "" "# test_external_without_stderr test $descr was ok" |
|
test_success=$(($test_success + 1)) |
|
fi |
|
else |
|
if test "$verbose" = t |
|
then |
|
output=$(echo; echo "# Stderr is:"; cat "$stderr") |
|
else |
|
output= |
|
fi |
|
# rm first in case test_failure exits. |
|
rm "$stderr" |
|
if test $test_external_has_tap -eq 0; then |
|
test_failure_ "$descr" "$@" "$output" |
|
else |
|
say_color error "# test_external_without_stderr test $descr failed: $@: $output" |
|
test_failure=$(($test_failure + 1)) |
|
fi |
|
fi |
|
} |
|
|
|
# debugging-friendly alternatives to "test [-f|-d|-e]" |
|
# The commands test the existence or non-existence of $1. $2 can be |
|
# given to provide a more precise diagnosis. |
|
test_path_is_file () { |
|
if ! test -f "$1" |
|
then |
|
echo "File $1 doesn't exist. $2" |
|
false |
|
fi |
|
} |
|
|
|
test_path_is_dir () { |
|
if ! test -d "$1" |
|
then |
|
echo "Directory $1 doesn't exist. $2" |
|
false |
|
fi |
|
} |
|
|
|
test_path_exists () { |
|
if ! test -e "$1" |
|
then |
|
echo "Path $1 doesn't exist. $2" |
|
false |
|
fi |
|
} |
|
|
|
# Check if the directory exists and is empty as expected, barf otherwise. |
|
test_dir_is_empty () { |
|
test_path_is_dir "$1" && |
|
if test -n "$(ls -a1 "$1" | egrep -v '^\.\.?$')" |
|
then |
|
echo "Directory '$1' is not empty, it contains:" |
|
ls -la "$1" |
|
return 1 |
|
fi |
|
} |
|
|
|
# Check if the file exists and has a size greater than zero |
|
test_file_not_empty () { |
|
if ! test -s "$1" |
|
then |
|
echo "'$1' is not a non-empty file." |
|
false |
|
fi |
|
} |
|
|
|
test_path_is_missing () { |
|
if test -e "$1" |
|
then |
|
echo "Path exists:" |
|
ls -ld "$1" |
|
if test $# -ge 1 |
|
then |
|
echo "$*" |
|
fi |
|
false |
|
fi |
|
} |
|
|
|
# test_line_count checks that a file has the number of lines it |
|
# ought to. For example: |
|
# |
|
# test_expect_success 'produce exactly one line of output' ' |
|
# do something >output && |
|
# test_line_count = 1 output |
|
# ' |
|
# |
|
# is like "test $(wc -l <output) = 1" except that it passes the |
|
# output through when the number of lines is wrong. |
|
|
|
test_line_count () { |
|
if test $# != 3 |
|
then |
|
BUG "not 3 parameters to test_line_count" |
|
elif ! test $(wc -l <"$3") "$1" "$2" |
|
then |
|
echo "test_line_count: line count for $3 !$1 $2" |
|
cat "$3" |
|
return 1 |
|
fi |
|
} |
|
|
|
# Returns success if a comma separated string of keywords ($1) contains a |
|
# given keyword ($2). |
|
# Examples: |
|
# `list_contains "foo,bar" bar` returns 0 |
|
# `list_contains "foo" bar` returns 1 |
|
|
|
list_contains () { |
|
case ",$1," in |
|
*,$2,*) |
|
return 0 |
|
;; |
|
esac |
|
return 1 |
|
} |
|
|
|
# This is not among top-level (test_expect_success | test_expect_failure) |
|
# but is a prefix that can be used in the test script, like: |
|
# |
|
# test_expect_success 'complain and die' ' |
|
# do something && |
|
# do something else && |
|
# test_must_fail git checkout ../outerspace |
|
# ' |
|
# |
|
# Writing this as "! git checkout ../outerspace" is wrong, because |
|
# the failure could be due to a segv. We want a controlled failure. |
|
# |
|
# Accepts the following options: |
|
# |
|
# ok=<signal-name>[,<...>]: |
|
# Don't treat an exit caused by the given signal as error. |
|
# Multiple signals can be specified as a comma separated list. |
|
# Currently recognized signal names are: sigpipe, success. |
|
# (Don't use 'success', use 'test_might_fail' instead.) |
|
|
|
test_must_fail () { |
|
case "$1" in |
|
ok=*) |
|
_test_ok=${1#ok=} |
|
shift |
|
;; |
|
*) |
|
_test_ok= |
|
;; |
|
esac |
|
"$@" 2>&7 |
|
exit_code=$? |
|
if test $exit_code -eq 0 && ! list_contains "$_test_ok" success |
|
then |
|
echo >&4 "test_must_fail: command succeeded: $*" |
|
return 1 |
|
elif test_match_signal 13 $exit_code && list_contains "$_test_ok" sigpipe |
|
then |
|
return 0 |
|
elif test $exit_code -gt 129 && test $exit_code -le 192 |
|
then |
|
echo >&4 "test_must_fail: died by signal $(($exit_code - 128)): $*" |
|
return 1 |
|
elif test $exit_code -eq 127 |
|
then |
|
echo >&4 "test_must_fail: command not found: $*" |
|
return 1 |
|
elif test $exit_code -eq 126 |
|
then |
|
echo >&4 "test_must_fail: valgrind error: $*" |
|
return 1 |
|
fi |
|
return 0 |
|
} 7>&2 2>&4 |
|
|
|
# Similar to test_must_fail, but tolerates success, too. This is |
|
# meant to be used in contexts like: |
|
# |
|
# test_expect_success 'some command works without configuration' ' |
|
# test_might_fail git config --unset all.configuration && |
|
# do something |
|
# ' |
|
# |
|
# Writing "git config --unset all.configuration || :" would be wrong, |
|
# because we want to notice if it fails due to segv. |
|
# |
|
# Accepts the same options as test_must_fail. |
|
|
|
test_might_fail () { |
|
test_must_fail ok=success "$@" 2>&7 |
|
} 7>&2 2>&4 |
|
|
|
# Similar to test_must_fail and test_might_fail, but check that a |
|
# given command exited with a given exit code. Meant to be used as: |
|
# |
|
# test_expect_success 'Merge with d/f conflicts' ' |
|
# test_expect_code 1 git merge "merge msg" B master |
|
# ' |
|
|
|
test_expect_code () { |
|
want_code=$1 |
|
shift |
|
"$@" 2>&7 |
|
exit_code=$? |
|
if test $exit_code = $want_code |
|
then |
|
return 0 |
|
fi |
|
|
|
echo >&4 "test_expect_code: command exited with $exit_code, we wanted $want_code $*" |
|
return 1 |
|
} 7>&2 2>&4 |
|
|
|
# test_cmp is a helper function to compare actual and expected output. |
|
# You can use it like: |
|
# |
|
# test_expect_success 'foo works' ' |
|
# echo expected >expected && |
|
# foo >actual && |
|
# test_cmp expected actual |
|
# ' |
|
# |
|
# This could be written as either "cmp" or "diff -u", but: |
|
# - cmp's output is not nearly as easy to read as diff -u |
|
# - not all diff versions understand "-u" |
|
|
|
test_cmp() { |
|
eval "$GIT_TEST_CMP" '"$@"' |
|
} |
|
|
|
# Check that the given config key has the expected value. |
|
# |
|
# test_cmp_config [-C <dir>] <expected-value> |
|
# [<git-config-options>...] <config-key> |
|
# |
|
# for example to check that the value of core.bar is foo |
|
# |
|
# test_cmp_config foo core.bar |
|
# |
|
test_cmp_config() { |
|
local GD && |
|
if test "$1" = "-C" |
|
then |
|
shift && |
|
GD="-C $1" && |
|
shift |
|
fi && |
|
printf "%s\n" "$1" >expect.config && |
|
shift && |
|
git $GD config "$@" >actual.config && |
|
test_cmp expect.config actual.config |
|
} |
|
|
|
# test_cmp_bin - helper to compare binary files |
|
|
|
test_cmp_bin() { |
|
cmp "$@" |
|
} |
|
|
|
# Use this instead of test_cmp to compare files that contain expected and |
|
# actual output from git commands that can be translated. When running |
|
# under GIT_TEST_GETTEXT_POISON this pretends that the command produced expected |
|
# results. |
|
test_i18ncmp () { |
|
! test_have_prereq C_LOCALE_OUTPUT || test_cmp "$@" |
|
} |
|
|
|
# Use this instead of "grep expected-string actual" to see if the |
|
# output from a git command that can be translated either contains an |
|
# expected string, or does not contain an unwanted one. When running |
|
# under GIT_TEST_GETTEXT_POISON this pretends that the command produced expected |
|
# results. |
|
test_i18ngrep () { |
|
eval "last_arg=\${$#}" |
|
|
|
test -f "$last_arg" || |
|
BUG "test_i18ngrep requires a file to read as the last parameter" |
|
|
|
if test $# -lt 2 || |
|
{ test "x!" = "x$1" && test $# -lt 3 ; } |
|
then |
|
BUG "too few parameters to test_i18ngrep" |
|
fi |
|
|
|
if test_have_prereq !C_LOCALE_OUTPUT |
|
then |
|
# pretend success |
|
return 0 |
|
fi |
|
|
|
if test "x!" = "x$1" |
|
then |
|
shift |
|
! grep "$@" && return 0 |
|
|
|
echo >&4 "error: '! grep $@' did find a match in:" |
|
else |
|
grep "$@" && return 0 |
|
|
|
echo >&4 "error: 'grep $@' didn't find a match in:" |
|
fi |
|
|
|
if test -s "$last_arg" |
|
then |
|
cat >&4 "$last_arg" |
|
else |
|
echo >&4 "<File '$last_arg' is empty>" |
|
fi |
|
|
|
return 1 |
|
} |
|
|
|
# Call any command "$@" but be more verbose about its |
|
# failure. This is handy for commands like "test" which do |
|
# not output anything when they fail. |
|
verbose () { |
|
"$@" && return 0 |
|
echo >&4 "command failed: $(git rev-parse --sq-quote "$@")" |
|
return 1 |
|
} |
|
|
|
# Check if the file expected to be empty is indeed empty, and barfs |
|
# otherwise. |
|
|
|
test_must_be_empty () { |
|
test_path_is_file "$1" && |
|
if test -s "$1" |
|
then |
|
echo "'$1' is not empty, it contains:" |
|
cat "$1" |
|
return 1 |
|
fi |
|
} |
|
|
|
# Tests that its two parameters refer to the same revision, or if '!' is |
|
# provided first, that its other two parameters refer to different |
|
# revisions. |
|
test_cmp_rev () { |
|
local op='=' wrong_result=different |
|
|
|
if test $# -ge 1 && test "x$1" = 'x!' |
|
then |
|
op='!=' |
|
wrong_result='the same' |
|
shift |
|
fi |
|
if test $# != 2 |
|
then |
|
error "bug in the test script: test_cmp_rev requires two revisions, but got $#" |
|
else |
|
local r1 r2 |
|
r1=$(git rev-parse --verify "$1") && |
|
r2=$(git rev-parse --verify "$2") || return 1 |
|
|
|
if ! test "$r1" "$op" "$r2" |
|
then |
|
cat >&4 <<-EOF |
|
error: two revisions point to $wrong_result objects: |
|
'$1': $r1 |
|
'$2': $r2 |
|
EOF |
|
return 1 |
|
fi |
|
fi |
|
} |
|
|
|
# Compare paths respecting core.ignoreCase |
|
test_cmp_fspath () { |
|
if test "x$1" = "x$2" |
|
then |
|
return 0 |
|
fi |
|
|
|
if test true != "$(git config --get --type=bool core.ignorecase)" |
|
then |
|
return 1 |
|
fi |
|
|
|
test "x$(echo "$1" | tr A-Z a-z)" = "x$(echo "$2" | tr A-Z a-z)" |
|
} |
|
|
|
# Print a sequence of integers in increasing order, either with |
|
# two arguments (start and end): |
|
# |
|
# test_seq 1 5 -- outputs 1 2 3 4 5 one line at a time |
|
# |
|
# or with one argument (end), in which case it starts counting |
|
# from 1. |
|
|
|
test_seq () { |
|
case $# in |
|
1) set 1 "$@" ;; |
|
2) ;; |
|
*) BUG "not 1 or 2 parameters to test_seq" ;; |
|
esac |
|
test_seq_counter__=$1 |
|
while test "$test_seq_counter__" -le "$2" |
|
do |
|
echo "$test_seq_counter__" |
|
test_seq_counter__=$(( $test_seq_counter__ + 1 )) |
|
done |
|
} |
|
|
|
# This function can be used to schedule some commands to be run |
|
# unconditionally at the end of the test to restore sanity: |
|
# |
|
# test_expect_success 'test core.capslock' ' |
|
# git config core.capslock true && |
|
# test_when_finished "git config --unset core.capslock" && |
|
# hello world |
|
# ' |
|
# |
|
# That would be roughly equivalent to |
|
# |
|
# test_expect_success 'test core.capslock' ' |
|
# git config core.capslock true && |
|
# hello world |
|
# git config --unset core.capslock |
|
# ' |
|
# |
|
# except that the greeting and config --unset must both succeed for |
|
# the test to pass. |
|
# |
|
# Note that under --immediate mode, no clean-up is done to help diagnose |
|
# what went wrong. |
|
|
|
test_when_finished () { |
|
# We cannot detect when we are in a subshell in general, but by |
|
# doing so on Bash is better than nothing (the test will |
|
# silently pass on other shells). |
|
test "${BASH_SUBSHELL-0}" = 0 || |
|
BUG "test_when_finished does nothing in a subshell" |
|
test_cleanup="{ $* |
|
} && (exit \"\$eval_ret\"); eval_ret=\$?; $test_cleanup" |
|
} |
|
|
|
# This function can be used to schedule some commands to be run |
|
# unconditionally at the end of the test script, e.g. to stop a daemon: |
|
# |
|
# test_expect_success 'test git daemon' ' |
|
# git daemon & |
|
# daemon_pid=$! && |
|
# test_atexit 'kill $daemon_pid' && |
|
# hello world |
|
# ' |
|
# |
|
# The commands will be executed before the trash directory is removed, |
|
# i.e. the atexit commands will still be able to access any pidfiles or |
|
# socket files. |
|
# |
|
# Note that these commands will be run even when a test script run |
|
# with '--immediate' fails. Be careful with your atexit commands to |
|
# minimize any changes to the failed state. |
|
|
|
test_atexit () { |
|
# We cannot detect when we are in a subshell in general, but by |
|
# doing so on Bash is better than nothing (the test will |
|
# silently pass on other shells). |
|
test "${BASH_SUBSHELL-0}" = 0 || |
|
error "bug in test script: test_atexit does nothing in a subshell" |
|
test_atexit_cleanup="{ $* |
|
} && (exit \"\$eval_ret\"); eval_ret=\$?; $test_atexit_cleanup" |
|
} |
|
|
|
# Most tests can use the created repository, but some may need to create more. |
|
# Usage: test_create_repo <directory> |
|
test_create_repo () { |
|
test "$#" = 1 || |
|
BUG "not 1 parameter to test-create-repo" |
|
repo="$1" |
|
mkdir -p "$repo" |
|
( |
|
cd "$repo" || error "Cannot setup test environment" |
|
"${GIT_TEST_INSTALLED:-$GIT_EXEC_PATH}/git$X" init \ |
|
"--template=$GIT_BUILD_DIR/templates/blt/" >&3 2>&4 || |
|
error "cannot run git init -- have you built things yet?" |
|
mv .git/hooks .git/hooks-disabled |
|
) || exit |
|
} |
|
|
|
# This function helps on symlink challenged file systems when it is not |
|
# important that the file system entry is a symbolic link. |
|
# Use test_ln_s_add instead of "ln -s x y && git add y" to add a |
|
# symbolic link entry y to the index. |
|
|
|
test_ln_s_add () { |
|
if test_have_prereq SYMLINKS |
|
then |
|
ln -s "$1" "$2" && |
|
git update-index --add "$2" |
|
else |
|
printf '%s' "$1" >"$2" && |
|
ln_s_obj=$(git hash-object -w "$2") && |
|
git update-index --add --cacheinfo 120000 $ln_s_obj "$2" && |
|
# pick up stat info from the file |
|
git update-index "$2" |
|
fi |
|
} |
|
|
|
# This function writes out its parameters, one per line |
|
test_write_lines () { |
|
printf "%s\n" "$@" |
|
} |
|
|
|
perl () { |
|
command "$PERL_PATH" "$@" 2>&7 |
|
} 7>&2 2>&4 |
|
|
|
# Given the name of an environment variable with a bool value, normalize |
|
# its value to a 0 (true) or 1 (false or empty string) return code. |
|
# |
|
# test_bool_env GIT_TEST_HTTPD <default-value> |
|
# |
|
# Return with code corresponding to the given default value if the variable |
|
# is unset. |
|
# Abort the test script if either the value of the variable or the default |
|
# are not valid bool values. |
|
|
|
test_bool_env () { |
|
if test $# != 2 |
|
then |
|
BUG "test_bool_env requires two parameters (variable name and default value)" |
|
fi |
|
|
|
git env--helper --type=bool --default="$2" --exit-code "$1" |
|
ret=$? |
|
case $ret in |
|
0|1) # unset or valid bool value |
|
;; |
|
*) # invalid bool value or something unexpected |
|
error >&7 "test_bool_env requires bool values both for \$$1 and for the default fallback" |
|
;; |
|
esac |
|
return $ret |
|
} |
|
|
|
# Exit the test suite, either by skipping all remaining tests or by |
|
# exiting with an error. If our prerequisite variable $1 falls back |
|
# on a default assume we were opportunistically trying to set up some |
|
# tests and we skip. If it is explicitly "true", then we report a failure. |
|
# |
|
# The error/skip message should be given by $2. |
|
# |
|
test_skip_or_die () { |
|
if ! test_bool_env "$1" false |
|
then |
|
skip_all=$2 |
|
test_done |
|
fi |
|
error "$2" |
|
} |
|
|
|
# The following mingw_* functions obey POSIX shell syntax, but are actually |
|
# bash scripts, and are meant to be used only with bash on Windows. |
|
|
|
# A test_cmp function that treats LF and CRLF equal and avoids to fork |
|
# diff when possible. |
|
mingw_test_cmp () { |
|
# Read text into shell variables and compare them. If the results |
|
# are different, use regular diff to report the difference. |
|
local test_cmp_a= test_cmp_b= |
|
|
|
# When text came from stdin (one argument is '-') we must feed it |
|
# to diff. |
|
local stdin_for_diff= |
|
|
|
# Since it is difficult to detect the difference between an |
|
# empty input file and a failure to read the files, we go straight |
|
# to diff if one of the inputs is empty. |
|
if test -s "$1" && test -s "$2" |
|
then |
|
# regular case: both files non-empty |
|
mingw_read_file_strip_cr_ test_cmp_a <"$1" |
|
mingw_read_file_strip_cr_ test_cmp_b <"$2" |
|
elif test -s "$1" && test "$2" = - |
|
then |
|
# read 2nd file from stdin |
|
mingw_read_file_strip_cr_ test_cmp_a <"$1" |
|
mingw_read_file_strip_cr_ test_cmp_b |
|
stdin_for_diff='<<<"$test_cmp_b"' |
|
elif test "$1" = - && test -s "$2" |
|
then |
|
# read 1st file from stdin |
|
mingw_read_file_strip_cr_ test_cmp_a |
|
mingw_read_file_strip_cr_ test_cmp_b <"$2" |
|
stdin_for_diff='<<<"$test_cmp_a"' |
|
fi |
|
test -n "$test_cmp_a" && |
|
test -n "$test_cmp_b" && |
|
test "$test_cmp_a" = "$test_cmp_b" || |
|
eval "diff -u \"\$@\" $stdin_for_diff" |
|
} |
|
|
|
# $1 is the name of the shell variable to fill in |
|
mingw_read_file_strip_cr_ () { |
|
# Read line-wise using LF as the line separator |
|
# and use IFS to strip CR. |
|
local line |
|
while : |
|
do |
|
if IFS=$'\r' read -r -d $'\n' line |
|
then |
|
# good |
|
line=$line$'\n' |
|
else |
|
# we get here at EOF, but also if the last line |
|
# was not terminated by LF; in the latter case, |
|
# some text was read |
|
if test -z "$line" |
|
then |
|
# EOF, really |
|
break |
|
fi |
|
fi |
|
eval "$1=\$$1\$line" |
|
done |
|
} |
|
|
|
# Like "env FOO=BAR some-program", but run inside a subshell, which means |
|
# it also works for shell functions (though those functions cannot impact |
|
# the environment outside of the test_env invocation). |
|
test_env () { |
|
( |
|
while test $# -gt 0 |
|
do |
|
case "$1" in |
|
*=*) |
|
eval "${1%%=*}=\${1#*=}" |
|
eval "export ${1%%=*}" |
|
shift |
|
;; |
|
*) |
|
"$@" 2>&7 |
|
exit |
|
;; |
|
esac |
|
done |
|
) |
|
} 7>&2 2>&4 |
|
|
|
# Returns true if the numeric exit code in "$2" represents the expected signal |
|
# in "$1". Signals should be given numerically. |
|
test_match_signal () { |
|
if test "$2" = "$((128 + $1))" |
|
then |
|
# POSIX |
|
return 0 |
|
elif test "$2" = "$((256 + $1))" |
|
then |
|
# ksh |
|
return 0 |
|
fi |
|
return 1 |
|
} |
|
|
|
# Read up to "$1" bytes (or to EOF) from stdin and write them to stdout. |
|
test_copy_bytes () { |
|
perl -e ' |
|
my $len = $ARGV[1]; |
|
while ($len > 0) { |
|
my $s; |
|
my $nread = sysread(STDIN, $s, $len); |
|
die "cannot read: $!" unless defined($nread); |
|
last unless $nread; |
|
print $s; |
|
$len -= $nread; |
|
} |
|
' - "$1" |
|
} |
|
|
|
# run "$@" inside a non-git directory |
|
nongit () { |
|
test -d non-repo || |
|
mkdir non-repo || |
|
return 1 |
|
|
|
( |
|
GIT_CEILING_DIRECTORIES=$(pwd) && |
|
export GIT_CEILING_DIRECTORIES && |
|
cd non-repo && |
|
"$@" 2>&7 |
|
) |
|
} 7>&2 2>&4 |
|
|
|
# convert function arguments or stdin (if not arguments given) to pktline |
|
# representation. If multiple arguments are given, they are separated by |
|
# whitespace and put in a single packet. Note that data containing NULs must be |
|
# given on stdin, and that empty input becomes an empty packet, not a flush |
|
# packet (for that you can just print 0000 yourself). |
|
packetize() { |
|
if test $# -gt 0 |
|
then |
|
packet="$*" |
|
printf '%04x%s' "$((4 + ${#packet}))" "$packet" |
|
else |
|
perl -e ' |
|
my $packet = do { local $/; <STDIN> }; |
|
printf "%04x%s", 4 + length($packet), $packet; |
|
' |
|
fi |
|
} |
|
|
|
# Parse the input as a series of pktlines, writing the result to stdout. |
|
# Sideband markers are removed automatically, and the output is routed to |
|
# stderr if appropriate. |
|
# |
|
# NUL bytes are converted to "\\0" for ease of parsing with text tools. |
|
depacketize () { |
|
perl -e ' |
|
while (read(STDIN, $len, 4) == 4) { |
|
if ($len eq "0000") { |
|
print "FLUSH\n"; |
|
} else { |
|
read(STDIN, $buf, hex($len) - 4); |
|
$buf =~ s/\0/\\0/g; |
|
if ($buf =~ s/^[\x2\x3]//) { |
|
print STDERR $buf; |
|
} else { |
|
$buf =~ s/^\x1//; |
|
print $buf; |
|
} |
|
} |
|
} |
|
' |
|
} |
|
|
|
# Converts base-16 data into base-8. The output is given as a sequence of |
|
# escaped octals, suitable for consumption by 'printf'. |
|
hex2oct () { |
|
perl -ne 'printf "\\%03o", hex for /../g' |
|
} |
|
|
|
# Set the hash algorithm in use to $1. Only useful when testing the testsuite. |
|
test_set_hash () { |
|
test_hash_algo="$1" |
|
} |
|
|
|
# Detect the hash algorithm in use. |
|
test_detect_hash () { |
|
# Currently we only support SHA-1, but in the future this function will |
|
# actually detect the algorithm in use. |
|
test_hash_algo='sha1' |
|
} |
|
|
|
# Load common hash metadata and common placeholder object IDs for use with |
|
# test_oid. |
|
test_oid_init () { |
|
test -n "$test_hash_algo" || test_detect_hash && |
|
test_oid_cache <"$TEST_DIRECTORY/oid-info/hash-info" && |
|
test_oid_cache <"$TEST_DIRECTORY/oid-info/oid" |
|
} |
|
|
|
# Load key-value pairs from stdin suitable for use with test_oid. Blank lines |
|
# and lines starting with "#" are ignored. Keys must be shell identifier |
|
# characters. |
|
# |
|
# Examples: |
|
# rawsz sha1:20 |
|
# rawsz sha256:32 |
|
test_oid_cache () { |
|
local tag rest k v && |
|
|
|
{ test -n "$test_hash_algo" || test_detect_hash; } && |
|
while read tag rest |
|
do |
|
case $tag in |
|
\#*) |
|
continue;; |
|
?*) |
|
# non-empty |
|
;; |
|
*) |
|
# blank line |
|
continue;; |
|
esac && |
|
|
|
k="${rest%:*}" && |
|
v="${rest#*:}" && |
|
|
|
if ! expr "$k" : '[a-z0-9][a-z0-9]*$' >/dev/null |
|
then |
|
BUG 'bad hash algorithm' |
|
fi && |
|
eval "test_oid_${k}_$tag=\"\$v\"" |
|
done |
|
} |
|
|
|
# Look up a per-hash value based on a key ($1). The value must have been loaded |
|
# by test_oid_init or test_oid_cache. |
|
test_oid () { |
|
local var="test_oid_${test_hash_algo}_$1" && |
|
|
|
# If the variable is unset, we must be missing an entry for this |
|
# key-hash pair, so exit with an error. |
|
if eval "test -z \"\${$var+set}\"" |
|
then |
|
BUG "undefined key '$1'" |
|
fi && |
|
eval "printf '%s' \"\${$var}\"" |
|
} |
|
|
|
# Insert a slash into an object ID so it can be used to reference a location |
|
# under ".git/objects". For example, "deadbeef..." becomes "de/adbeef..". |
|
test_oid_to_path () { |
|
local basename=${1#??} |
|
echo "${1%$basename}/$basename" |
|
} |
|
|
|
# Choose a port number based on the test script's number and store it in |
|
# the given variable name, unless that variable already contains a number. |
|
test_set_port () { |
|
local var=$1 port |
|
|
|
if test $# -ne 1 || test -z "$var" |
|
then |
|
BUG "test_set_port requires a variable name" |
|
fi |
|
|
|
eval port=\$$var |
|
case "$port" in |
|
"") |
|
# No port is set in the given env var, use the test |
|
# number as port number instead. |
|
# Remove not only the leading 't', but all leading zeros |
|
# as well, so the arithmetic below won't (mis)interpret |
|
# a test number like '0123' as an octal value. |
|
port=${this_test#${this_test%%[1-9]*}} |
|
if test "${port:-0}" -lt 1024 |
|
then |
|
# root-only port, use a larger one instead. |
|
port=$(($port + 10000)) |
|
fi |
|
;; |
|
*[!0-9]*|0*) |
|
error >&7 "invalid port number: $port" |
|
;; |
|
*) |
|
# The user has specified the port. |
|
;; |
|
esac |
|
|
|
# Make sure that parallel '--stress' test jobs get different |
|
# ports. |
|
port=$(($port + ${GIT_TEST_STRESS_JOB_NR:-0})) |
|
eval $var=$port |
|
} |
|
|
|
# Compare a file containing rev-list bitmap traversal output to its non-bitmap |
|
# counterpart. You can't just use test_cmp for this, because the two produce |
|
# subtly different output: |
|
# |
|
# - regular output is in traversal order, whereas bitmap is split by type, |
|
# with non-packed objects at the end |
|
# |
|
# - regular output has a space and the pathname appended to non-commit |
|
# objects; bitmap output omits this |
|
# |
|
# This function normalizes and compares the two. The second file should |
|
# always be the bitmap output. |
|
test_bitmap_traversal () { |
|
if test "$1" = "--no-confirm-bitmaps" |
|
then |
|
shift |
|
elif cmp "$1" "$2" |
|
then |
|
echo >&2 "identical raw outputs; are you sure bitmaps were used?" |
|
return 1 |
|
fi && |
|
cut -d' ' -f1 "$1" | sort >"$1.normalized" && |
|
sort "$2" >"$2.normalized" && |
|
test_cmp "$1.normalized" "$2.normalized" && |
|
rm -f "$1.normalized" "$2.normalized" |
|
} |
|
|
|
# Tests for the hidden file attribute on Windows |
|
test_path_is_hidden () { |
|
test_have_prereq MINGW || |
|
BUG "test_path_is_hidden can only be used on Windows" |
|
|
|
# Use the output of `attrib`, ignore the absolute path |
|
case "$("$SYSTEMROOT"/system32/attrib "$1")" in *H*?:*) return 0;; esac |
|
return 1 |
|
}
|
|
|