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Diffstat (limited to 't/t6010-merge-base.sh')
| -rwxr-xr-x | t/t6010-merge-base.sh | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/t/t6010-merge-base.sh b/t/t6010-merge-base.sh index 1dce123aec..b15920b852 100755 --- a/t/t6010-merge-base.sh +++ b/t/t6010-merge-base.sh @@ -44,6 +44,43 @@ A=$(doit 1 A $B) G=$(doit 7 G $B $E) H=$(doit 8 H $A $F) +# Setup for second test to demonstrate that relying on timestamps in a +# distributed SCM to provide a _consistent_ partial ordering of commits +# leads to insanity. +# +# Relative +# Structure timestamps +# +# PL PR +4 +4 +# / \/ \ / \/ \ +# L2 C2 R2 +3 -1 +3 +# | | | | | | +# L1 C1 R1 +2 -2 +2 +# | | | | | | +# L0 C0 R0 +1 -3 +1 +# \ | / \ | / +# S 0 +# +# The left and right chains of commits can be of any length and complexity as +# long as all of the timestamps are greater than that of S. + +S=$(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 G H) && expr "$(git-name-rev "$MB")" : "[0-9a-f]* tags/B"' @@ -56,4 +93,12 @@ test_expect_success 'compute merge-base with show-branch' \ 'MB=$(git-show-branch --merge-base G H) && expr "$(git-name-rev "$MB")" : "[0-9a-f]* tags/B"' +test_expect_success 'compute merge-base (single)' \ + 'MB=$(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 |