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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 14:47:53 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 14:47:53 +0000 |
commit | c8bae7493d2f2910b57f13ded012e86bdcfb0532 (patch) | |
tree | 24e09d9f84dec336720cf393e156089ca2835791 /t/t6111-rev-list-treesame.sh | |
parent | Initial commit. (diff) | |
download | git-c8bae7493d2f2910b57f13ded012e86bdcfb0532.tar.xz git-c8bae7493d2f2910b57f13ded012e86bdcfb0532.zip |
Adding upstream version 1:2.39.2.upstream/1%2.39.2upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 't/t6111-rev-list-treesame.sh')
-rwxr-xr-x | t/t6111-rev-list-treesame.sh | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/t/t6111-rev-list-treesame.sh b/t/t6111-rev-list-treesame.sh new file mode 100755 index 0000000..90ff141 --- /dev/null +++ b/t/t6111-rev-list-treesame.sh @@ -0,0 +1,197 @@ +#!/bin/sh +# +# ,---E--. *H----------. * marks !TREESAME parent paths +# / \ / \* +# *A--*B---D--*F-*G---------K-*L-*M +# \ /* \ / +# `-C-' `-*I-*J +# +# A creates "file", B and F change it. +# Odd merge G takes the old version from B. +# I changes it, but J reverts it, so K is TREESAME to both parents. +# H and L both change "file", and M merges those changes. + +test_description='TREESAME and limiting' + +GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main +export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME + +. ./test-lib.sh + +note () { + git tag "$1" +} + +unnote () { + git name-rev --tags --annotate-stdin | \ + sed -e "s|$OID_REGEX (tags/\([^)]*\))\([ ]\)|\1\2|g" +} + +test_expect_success setup ' + test_commit "Initial file" file "Hi there" A && + git branch other-branch && + + test_commit "file=Hello" file "Hello" B && + git branch third-branch && + + git checkout other-branch && + test_commit "Added other" other "Hello" C && + + git checkout main && + test_merge D other-branch && + + git checkout third-branch && + test_commit "Third file" third "Nothing" E && + + git checkout main && + test_commit "file=Blah" file "Blah" F && + + test_tick && git merge --no-commit third-branch && + git checkout third-branch file && + git commit && + note G && + git branch fiddler-branch && + + git checkout -b part2-branch && + test_commit "file=Part 2" file "Part 2" H && + + git checkout fiddler-branch && + test_commit "Bad commit" file "Silly" I && + + test_tick && git revert I && note J && + + git checkout main && + test_tick && git merge --no-ff fiddler-branch && + note K && + + test_commit "file=Part 1" file "Part 1" L && + + test_tick && test_must_fail git merge part2-branch && + test_commit M file "Parts 1+2" +' + +check_outcome () { + outcome=$1 + shift + + case "$1" in + *"("*) + FMT="%P %H | %s" + munge_actual=" + s/^\([^ ]*\) \([^ ]*\) .*/(\1)\2/ + s/ //g + s/()// + " + ;; + *) + FMT="%H | %s" + munge_actual="s/^\([^ ]*\) .*/\1/" + ;; + esac && + printf "%s\n" $1 >expect && + shift + + param="$*" && + test_expect_$outcome "log $param" ' + git log --format="$FMT" $param | + unnote >actual && + sed -e "$munge_actual" <actual >check && + test_cmp expect check + ' +} + +check_result () { + check_outcome success "$@" +} + +# Odd merge G drops a change in F. Important that G is listed in all +# except the most basic list. Achieving this means normal merge D will also be +# shown in normal full-history, as we can't distinguish unless we do a +# simplification pass. After simplification, D is dropped but G remains. +# Also, merge simplification of G should not drop the parent B that the default +# simple history follows. +check_result 'M L K J I H G F E D C B A' +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' +check_result 'M H L K J I G E F D C B A' --topo-order +check_result 'M L H B A' -- file +check_result '(LH)M (B)L (B)H (A)B A' --parents -- file +check_result 'M L J I H G F D B A' --full-history -- file +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 +check_result '(LH)M (G)H (J)L (I)J (G)I (FB)G (B)F (A)B A' --simplify-merges -- file +check_result 'M L K G F D B A' --first-parent +check_result 'M L G F B A' --first-parent -- file + +# Check that odd merge G remains shown when F is the bottom. +check_result 'M L K J I H G E' F..M +check_result 'M H L K J I G E' F..M --topo-order +check_result 'M L H' F..M -- file +check_result '(LH)M (B)L (B)H' --parents F..M -- file +check_result 'M L J I H G' F..M --full-history -- file +check_result '(LH)M (K)L (GJ)K (I)J (G)I (G)H (FB)G' F..M --full-history --parents -- file +check_result '(LH)M (G)H (J)L (I)J (G)I (FB)G' F..M --simplify-merges -- file +check_result 'M L K J I H G' F..M --ancestry-path +check_result 'M L J I H G' F..M --ancestry-path -- file +check_result '(LH)M (K)L (GJ)K (I)J (G)I (G)H (FE)G' F..M --ancestry-path --parents -- file +check_result '(LH)M (G)H (J)L (I)J (G)I (FE)G' F..M --ancestry-path --simplify-merges -- file +check_result 'M L K G' F..M --first-parent +check_result 'M L G' F..M --first-parent -- file + +# Note that G is pruned when E is the bottom, even if it's the same commit list +# If we want history since E, then we're quite happy to ignore G that took E. +check_result 'M L K J I H G' E..M --ancestry-path +check_result 'M L J I H' E..M --ancestry-path -- file +check_result '(LH)M (K)L (EJ)K (I)J (E)I (E)H' E..M --ancestry-path --parents -- file +check_result '(LH)M (E)H (J)L (I)J (E)I' E..M --ancestry-path --simplify-merges -- file + +# Should still be able to ignore I-J branch in simple log, despite limiting +# to G. +check_result 'M L K J I H' G..M +check_result 'M H L K J I' G..M --topo-order +check_result 'M L H' G..M -- file +check_result '(LH)M (G)L (G)H' G..M --parents -- file +check_result 'M L J I H' G..M --full-history -- file +check_result 'M L K J I H' G..M --full-history --parents -- file +check_result 'M H L J I' G..M --simplify-merges -- file +check_result 'M L K J I H' G..M --ancestry-path +check_result 'M L J I H' G..M --ancestry-path -- file +check_result 'M L K J I H' G..M --ancestry-path --parents -- file +check_result 'M H L J I' G..M --ancestry-path --simplify-merges -- file + +# B..F should be able to simplify the merge D from irrelevant side branch C. +# Default log should also be free to follow B-D, and ignore C. +# But --full-history shouldn't drop D on its own - without simplification, +# we can't decide if the merge from INTERESTING commit C was sensible. +check_result 'F D C' B..F +check_result 'F' B..F -- file +check_result '(B)F' B..F --parents -- file +check_result 'F D' B..F --full-history -- file +check_result '(D)F (BA)D' B..F --full-history --parents -- file +check_result '(B)F' B..F --simplify-merges -- file +check_result 'F D' B..F --ancestry-path +check_result 'F' B..F --ancestry-path -- file +check_result 'F' B..F --ancestry-path --parents -- file +check_result 'F' B..F --ancestry-path --simplify-merges -- file +check_result 'F D' B..F --first-parent +check_result 'F' B..F --first-parent -- file + +# E...F should be equivalent to E F ^B, and be able to drop D as above. +check_result 'F' E F ^B -- file # includes D +check_result 'F' E...F -- file # includes D + +# Any sort of full history of C..F should show D, as it's the connection to C, +# and it differs from it. +check_result 'F D B' C..F +check_result 'F B' C..F -- file +check_result '(B)F (A)B' C..F --parents -- file +check_result 'F D B' C..F --full-history -- file +check_result '(D)F (BC)D (A)B' C..F --full-history --parents -- file +check_result '(D)F (BC)D (A)B' C..F --simplify-merges -- file +check_result 'F D' C..F --ancestry-path +check_result 'F D' C..F --ancestry-path -- file +check_result 'F D' C..F --ancestry-path --parents -- file +check_result 'F D' C..F --ancestry-path --simplify-merges -- file +check_result 'F D B' C..F --first-parent +check_result 'F B' C..F --first-parent -- file + + +test_done |