You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
110 lines
2.5 KiB
110 lines
2.5 KiB
#!/bin/sh |
|
# |
|
# Copyright (c) 2005 Junio C Hamano |
|
# |
|
|
|
test_description='Merge base computation. |
|
' |
|
|
|
. ./test-lib.sh |
|
|
|
T=$(git-write-tree) |
|
|
|
M=1130000000 |
|
Z=+0000 |
|
|
|
export GIT_COMMITTER_EMAIL=git@comm.iter.xz |
|
export GIT_COMMITTER_NAME='C O Mmiter' |
|
export GIT_AUTHOR_NAME='A U Thor' |
|
export GIT_AUTHOR_EMAIL=git@au.thor.xz |
|
|
|
doit() { |
|
OFFSET=$1; shift |
|
NAME=$1; shift |
|
PARENTS= |
|
for P |
|
do |
|
PARENTS="${PARENTS}-p $P " |
|
done |
|
GIT_COMMITTER_DATE="$(($M + $OFFSET)) $Z" |
|
GIT_AUTHOR_DATE=$GIT_COMMITTER_DATE |
|
export GIT_COMMITTER_DATE GIT_AUTHOR_DATE |
|
commit=$(echo $NAME | git-commit-tree $T $PARENTS) |
|
echo $commit >.git/refs/tags/$NAME |
|
echo $commit |
|
} |
|
|
|
# E---D---C---B---A |
|
# \'-_ \ \ |
|
# \ `---------G \ |
|
# \ \ |
|
# F----------------H |
|
|
|
# Setup... |
|
E=$(doit 5 E) |
|
D=$(doit 4 D $E) |
|
F=$(doit 6 F $E) |
|
C=$(doit 3 C $D) |
|
B=$(doit 2 B $C) |
|
A=$(doit 1 A $B) |
|
G=$(doit 7 G $B $E) |
|
H=$(doit 8 H $A $F) |
|
|
|
test_expect_success 'compute merge-base (single)' \ |
|
'MB=$(git-merge-base G H) && |
|
expr "$(git-name-rev "$MB")" : "[0-9a-f]* tags/B"' |
|
|
|
test_expect_success 'compute merge-base (all)' \ |
|
'MB=$(git-merge-base --all G H) && |
|
expr "$(git-name-rev "$MB")" : "[0-9a-f]* tags/B"' |
|
|
|
test_expect_success 'compute merge-base with show-branch' \ |
|
'MB=$(git-show-branch --merge-base G H) && |
|
expr "$(git-name-rev "$MB")" : "[0-9a-f]* tags/B"' |
|
|
|
# Setup for second test to demonstrate that relying on timestamps in a |
|
# distributed SCM to provide a _consistent_ partial ordering of commits |
|
# leads to insanity. |
|
# |
|
# Relative |
|
# Structure timestamps |
|
# |
|
# PL PR +4 +4 |
|
# / \/ \ / \/ \ |
|
# L2 C2 R2 +3 -1 +3 |
|
# | | | | | | |
|
# L1 C1 R1 +2 -2 +2 |
|
# | | | | | | |
|
# L0 C0 R0 +1 -3 +1 |
|
# \ | / \ | / |
|
# S 0 |
|
# |
|
# The left and right chains of commits can be of any length and complexity as |
|
# long as all of the timestamps are greater than that of S. |
|
|
|
S=$(doit 0 S) |
|
|
|
C0=$(doit -3 C0 $S) |
|
C1=$(doit -2 C1 $C0) |
|
C2=$(doit -1 C2 $C1) |
|
|
|
L0=$(doit 1 L0 $S) |
|
L1=$(doit 2 L1 $L0) |
|
L2=$(doit 3 L2 $L1) |
|
|
|
R0=$(doit 1 R0 $S) |
|
R1=$(doit 2 R1 $R0) |
|
R2=$(doit 3 R2 $R1) |
|
|
|
PL=$(doit 4 PL $L2 $C2) |
|
PR=$(doit 4 PR $C2 $R2) |
|
|
|
test_expect_success 'compute merge-base (single)' \ |
|
'MB=$(git-merge-base PL PR) && |
|
expr "$(git-name-rev "$MB")" : "[0-9a-f]* tags/C2"' |
|
|
|
test_expect_success 'compute merge-base (all)' \ |
|
'MB=$(git-merge-base --all PL PR) && |
|
expr "$(git-name-rev "$MB")" : "[0-9a-f]* tags/C2"' |
|
|
|
test_done
|
|
|