# Copyright (c) 2005 Junio C Hamano
#
-test_description='Merge base computation.
+test_description='Merge base and parent list computation.
'
. ./test-lib.sh
-test_expect_success 'setup' '
- T=$(git write-tree) &&
+M=1130000000
+Z=+0000
- M=1130000000 &&
- Z=+0000 &&
+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
- 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 &&
+ NAME=$2 &&
+ shift 2 &&
- doit() {
- OFFSET=$1 &&
- NAME=$2 &&
- shift 2 &&
+ PARENTS= &&
+ for P
+ do
+ PARENTS="${PARENTS}-p $P "
+ done &&
- PARENTS= &&
- for P
- do
- PARENTS="${PARENTS}-p $P "
- done &&
+ GIT_COMMITTER_DATE="$(($M + $OFFSET)) $Z" &&
+ GIT_AUTHOR_DATE=$GIT_COMMITTER_DATE &&
+ export GIT_COMMITTER_DATE GIT_AUTHOR_DATE &&
- 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
+}
- echo $commit >.git/refs/tags/$NAME &&
- echo $commit
- }
+test_expect_success 'setup' '
+ T=$(git mktree </dev/null)
'
test_expect_success 'set up G and H' '
test_cmp expected actual.sb
'
+test_expect_success 'merge-base/show-branch --independent' '
+ git name-rev "$H" >expected1 &&
+ git name-rev "$H" "$G" >expected2 &&
+
+ parents=$(git merge-base --independent H) &&
+ git name-rev $parents >actual1.mb &&
+ parents=$(git merge-base --independent A H G) &&
+ git name-rev $parents >actual2.mb &&
+
+ parents=$(git show-branch --independent H) &&
+ git name-rev $parents >actual1.sb &&
+ parents=$(git show-branch --independent A H G) &&
+ git name-rev $parents >actual2.sb &&
+
+ test_cmp expected1 actual1.mb &&
+ test_cmp expected2 actual2.mb &&
+ test_cmp expected1 actual1.sb &&
+ test_cmp expected2 actual2.sb
+'
+
test_expect_success 'unsynchronized clocks' '
# This test is to demonstrate that relying on timestamps in a distributed
# SCM to provide a _consistent_ partial ordering of commits leads to
R2=$(doit 3 R2 $R1) &&
PL=$(doit 4 PL $L2 $C2) &&
- PR=$(doit 4 PR $C2 $R2)
+ PR=$(doit 4 PR $C2 $R2) &&
git name-rev $C2 >expected &&
test_cmp expected actual.all
'
+test_expect_success '--independent with unsynchronized clocks' '
+ IB=$(doit 0 IB) &&
+ I1=$(doit -10 I1 $IB) &&
+ I2=$(doit -9 I2 $I1) &&
+ I3=$(doit -8 I3 $I2) &&
+ I4=$(doit -7 I4 $I3) &&
+ I5=$(doit -6 I5 $I4) &&
+ I6=$(doit -5 I6 $I5) &&
+ I7=$(doit -4 I7 $I6) &&
+ I8=$(doit -3 I8 $I7) &&
+ IH=$(doit -2 IH $I8) &&
+
+ echo $IH >expected &&
+ git merge-base --independent IB IH >actual &&
+ test_cmp expected actual
+'
+
test_expect_success 'merge-base for octopus-step (setup)' '
# Another set to demonstrate base between one commit and a merge
# in the documentation.