194 lines
6.6 KiB
Bash
Executable File
194 lines
6.6 KiB
Bash
Executable File
#!/bin/sh
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#
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# ,---E--. *H----------. * marks !TREESAME parent paths
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# / \ / \*
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# *A--*B---D--*F-*G---------K-*L-*M
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# \ /* \ /
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# `-C-' `-*I-*J
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#
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# A creates "file", B and F change it.
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# Odd merge G takes the old version from B.
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# I changes it, but J reverts it, so K is TREESAME to both parents.
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# H and L both change "file", and M merges those changes.
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test_description='TREESAME and limiting'
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. ./test-lib.sh
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note () {
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git tag "$1"
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}
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unnote () {
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git name-rev --tags --stdin | sed -e "s|$_x40 (tags/\([^)]*\))\([ ]\)|\1\2|g"
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}
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test_expect_success setup '
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test_commit "Initial file" file "Hi there" A &&
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git branch other-branch &&
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test_commit "file=Hello" file "Hello" B &&
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git branch third-branch &&
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git checkout other-branch &&
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test_commit "Added other" other "Hello" C &&
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git checkout master &&
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test_merge D other-branch &&
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git checkout third-branch &&
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test_commit "Third file" third "Nothing" E &&
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git checkout master &&
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test_commit "file=Blah" file "Blah" F &&
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test_tick && git merge --no-commit third-branch &&
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git checkout third-branch file &&
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git commit &&
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note G &&
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git branch fiddler-branch &&
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git checkout -b part2-branch &&
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test_commit "file=Part 2" file "Part 2" H &&
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git checkout fiddler-branch &&
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test_commit "Bad commit" file "Silly" I &&
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test_tick && git revert I && note J &&
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git checkout master &&
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test_tick && git merge --no-ff fiddler-branch &&
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note K &&
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test_commit "file=Part 1" file "Part 1" L &&
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test_tick && test_must_fail git merge part2-branch &&
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test_commit M file "Parts 1+2"
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'
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check_outcome () {
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outcome=$1
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shift
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case "$1" in
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*"("*)
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FMT="%P %H | %s"
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munge_actual="
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s/^\([^ ]*\) \([^ ]*\) .*/(\1)\2/
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s/ //g
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s/()//
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"
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;;
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*)
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FMT="%H | %s"
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munge_actual="s/^\([^ ]*\) .*/\1/"
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;;
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esac &&
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printf "%s\n" $1 >expect &&
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shift
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param="$*" &&
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test_expect_$outcome "log $param" '
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git log --format="$FMT" $param |
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unnote >actual &&
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sed -e "$munge_actual" <actual >check &&
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test_cmp expect check
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'
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}
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check_result () {
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check_outcome success "$@"
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}
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# Odd merge G drops a change in F. Important that G is listed in all
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# except the most basic list. Achieving this means normal merge D will also be
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# shown in normal full-history, as we can't distinguish unless we do a
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# simplification pass. After simplification, D is dropped but G remains.
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# Also, merge simplification of G should not drop the parent B that the default
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# simple history follows.
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check_result 'M L K J I H G F E D C B A'
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check_result '(LH)M (K)L (GJ)K (I)J (G)I (G)H (FE)G (D)F (B)E (BC)D (A)C (A)B A'
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check_result 'M H L K J I G E F D C B A' --topo-order
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check_result 'M L H B A' -- file
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check_result '(LH)M (B)L (B)H (A)B A' --parents -- file
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check_result 'M L J I H G F D B A' --full-history -- file
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check_result '(LH)M (K)L (GJ)K (I)J (G)I (G)H (FB)G (D)F (BA)D (A)B A' --full-history --parents -- file
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check_result '(LH)M (G)H (J)L (I)J (G)I (FB)G (B)F (A)B A' --simplify-merges -- file
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check_result 'M L K G F D B A' --first-parent
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check_result 'M L G F B A' --first-parent -- file
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# Check that odd merge G remains shown when F is the bottom.
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check_result 'M L K J I H G E' F..M
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check_result 'M H L K J I G E' F..M --topo-order
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check_result 'M L H' F..M -- file
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check_result '(LH)M (B)L (B)H' --parents F..M -- file
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check_result 'M L J I H G' F..M --full-history -- file
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check_result '(LH)M (K)L (GJ)K (I)J (G)I (G)H (FB)G' F..M --full-history --parents -- file
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check_result '(LH)M (G)H (J)L (I)J (G)I (FB)G' F..M --simplify-merges -- file
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check_result 'M L K J I H G' F..M --ancestry-path
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check_result 'M L J I H G' F..M --ancestry-path -- file
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check_result '(LH)M (K)L (GJ)K (I)J (G)I (G)H (FE)G' F..M --ancestry-path --parents -- file
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check_result '(LH)M (G)H (J)L (I)J (G)I (FE)G' F..M --ancestry-path --simplify-merges -- file
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check_result 'M L K G' F..M --first-parent
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check_result 'M L G' F..M --first-parent -- file
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# Note that G is pruned when E is the bottom, even if it's the same commit list
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# If we want history since E, then we're quite happy to ignore G that took E.
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check_result 'M L K J I H G' E..M --ancestry-path
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check_result 'M L J I H' E..M --ancestry-path -- file
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check_result '(LH)M (K)L (EJ)K (I)J (E)I (E)H' E..M --ancestry-path --parents -- file
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check_result '(LH)M (E)H (J)L (I)J (E)I' E..M --ancestry-path --simplify-merges -- file
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# Should still be able to ignore I-J branch in simple log, despite limiting
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# to G.
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check_result 'M L K J I H' G..M
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check_result 'M H L K J I' G..M --topo-order
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check_result 'M L H' G..M -- file
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check_result '(LH)M (G)L (G)H' G..M --parents -- file
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check_result 'M L J I H' G..M --full-history -- file
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check_result 'M L K J I H' G..M --full-history --parents -- file
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check_result 'M H L J I' G..M --simplify-merges -- file
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check_result 'M L K J I H' G..M --ancestry-path
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check_result 'M L J I H' G..M --ancestry-path -- file
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check_result 'M L K J I H' G..M --ancestry-path --parents -- file
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check_result 'M H L J I' G..M --ancestry-path --simplify-merges -- file
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# B..F should be able to simplify the merge D from irrelevant side branch C.
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# Default log should also be free to follow B-D, and ignore C.
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# But --full-history shouldn't drop D on its own - without simplification,
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# we can't decide if the merge from INTERESTING commit C was sensible.
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check_result 'F D C' B..F
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check_result 'F' B..F -- file
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check_result '(B)F' B..F --parents -- file
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check_result 'F D' B..F --full-history -- file
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check_result '(D)F (BA)D' B..F --full-history --parents -- file
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check_result '(B)F' B..F --simplify-merges -- file
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check_result 'F D' B..F --ancestry-path
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check_result 'F' B..F --ancestry-path -- file
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check_result 'F' B..F --ancestry-path --parents -- file
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check_result 'F' B..F --ancestry-path --simplify-merges -- file
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check_result 'F D' B..F --first-parent
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check_result 'F' B..F --first-parent -- file
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# E...F should be equivalent to E F ^B, and be able to drop D as above.
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check_result 'F' E F ^B -- file # includes D
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check_result 'F' E...F -- file # includes D
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# Any sort of full history of C..F should show D, as it's the connection to C,
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# and it differs from it.
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check_result 'F D B' C..F
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check_result 'F B' C..F -- file
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check_result '(B)F (A)B' C..F --parents -- file
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check_result 'F D B' C..F --full-history -- file
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check_result '(D)F (BC)D (A)B' C..F --full-history --parents -- file
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check_result '(D)F (BC)D (A)B' C..F --simplify-merges -- file
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check_result 'F D' C..F --ancestry-path
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check_result 'F D' C..F --ancestry-path -- file
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check_result 'F D' C..F --ancestry-path --parents -- file
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check_result 'F D' C..F --ancestry-path --simplify-merges -- file
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check_result 'F D B' C..F --first-parent
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check_result 'F B' C..F --first-parent -- file
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test_done
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