diff options
Diffstat (limited to 't/t6010-merge-base.sh')
| -rwxr-xr-x | t/t6010-merge-base.sh | 111 |
1 files changed, 92 insertions, 19 deletions
diff --git a/t/t6010-merge-base.sh b/t/t6010-merge-base.sh index b15920b852..0144d9e858 100755 --- a/t/t6010-merge-base.sh +++ b/t/t6010-merge-base.sh @@ -8,15 +8,16 @@ test_description='Merge base computation. . ./test-lib.sh -T=$(git-write-tree) +T=$(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 +GIT_COMMITTER_EMAIL=git@comm.iter.xz +GIT_COMMITTER_NAME='C O Mmiter' +GIT_AUTHOR_NAME='A U Thor' +GIT_AUTHOR_EMAIL=git@au.thor.xz +export GIT_COMMITTER_EMAIL GIT_COMMITTER_NAME GIT_AUTHOR_NAME GIT_AUTHOR_EMAIL doit() { OFFSET=$1; shift @@ -29,11 +30,17 @@ doit() { GIT_COMMITTER_DATE="$(($M + $OFFSET)) $Z" GIT_AUTHOR_DATE=$GIT_COMMITTER_DATE export GIT_COMMITTER_DATE GIT_AUTHOR_DATE - commit=$(echo $NAME | git-commit-tree $T $PARENTS) + commit=$(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 $E) @@ -44,6 +51,18 @@ A=$(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. @@ -82,23 +101,77 @@ PL=$(doit 4 PL $L2 $C2) PR=$(doit 4 PR $C2 $R2) test_expect_success 'compute merge-base (single)' \ - 'MB=$(git-merge-base G H) && - expr "$(git-name-rev "$MB")" : "[0-9a-f]* tags/B"' + '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 G H) && - expr "$(git-name-rev "$MB")" : "[0-9a-f]* tags/B"' + 'MB=$(git merge-base --all PL PR) && + expr "$(git name-rev "$MB")" : "[0-9a-f]* tags/C2"' -test_expect_success 'compute merge-base with show-branch' \ - 'MB=$(git-show-branch --merge-base G H) && - expr "$(git-name-rev "$MB")" : "[0-9a-f]* tags/B"' +# Another set to demonstrate base between one commit and a merge +# in the documentation. +# +# * C (MMC) * B (MMB) * A (MMA) +# * o * o * o +# * o * o * o +# * o * o * o +# * o | _______/ +# | |/ +# | * 1 (MM1) +# | _______/ +# |/ +# * root (MMR) + + +test_expect_success 'merge-base for octopus-step (setup)' ' + test_tick && git commit --allow-empty -m root && git tag MMR && + test_tick && git commit --allow-empty -m 1 && git tag MM1 && + test_tick && git commit --allow-empty -m o && + test_tick && git commit --allow-empty -m o && + test_tick && git commit --allow-empty -m o && + test_tick && git commit --allow-empty -m A && git tag MMA && + git checkout MM1 && + test_tick && git commit --allow-empty -m o && + test_tick && git commit --allow-empty -m o && + test_tick && git commit --allow-empty -m o && + test_tick && git commit --allow-empty -m B && git tag MMB && + git checkout MMR && + test_tick && git commit --allow-empty -m o && + test_tick && git commit --allow-empty -m o && + test_tick && git commit --allow-empty -m o && + test_tick && git commit --allow-empty -m o && + test_tick && git commit --allow-empty -m C && git tag MMC +' -test_expect_success 'compute merge-base (single)' \ - 'MB=$(git-merge-base PL PR) && - expr "$(git-name-rev "$MB")" : "[0-9a-f]* tags/C2"' +test_expect_success 'merge-base A B C' ' + MB=$(git merge-base --all MMA MMB MMC) && + MM1=$(git rev-parse --verify MM1) && + test "$MM1" = "$MB" +' -test_expect_success 'compute merge-base (all)' \ - 'MB=$(git-merge-base --all PL PR) && - expr "$(git-name-rev "$MB")" : "[0-9a-f]* tags/C2"' +test_expect_success 'merge-base A B C using show-branch' ' + MB=$(git show-branch --merge-base MMA MMB MMC) && + MMR=$(git rev-parse --verify MMR) && + test "$MMR" = "$MB" +' + +test_expect_success 'criss-cross merge-base for octopus-step (setup)' ' + git reset --hard MMR && + test_tick && git commit --allow-empty -m 1 && git tag CC1 && + git reset --hard E && + test_tick && git commit --allow-empty -m 2 && git tag CC2 && + test_tick && git merge -s ours CC1 && + test_tick && git commit --allow-empty -m o && + test_tick && git commit --allow-empty -m B && git tag CCB && + git reset --hard CC1 && + test_tick && git merge -s ours CC2 && + test_tick && git commit --allow-empty -m A && git tag CCA +' + +test_expect_success 'merge-base B A^^ A^^2' ' + MB0=$(git merge-base --all CCB CCA^^ CCA^^2 | sort) && + MB1=$(git rev-parse CC1 CC2 | sort) && + test "$MB0" = "$MB1" +' test_done |