git/t/t9151/make-svnmerge-dump
Tuomas Suutari 9560808f2e t9151: Add two new svn:mergeinfo test cases
When svn:mergeinfo contains two new parents in a specific order and
one is ancestor of the other, it is possible that git-svn discards the
wrong one. The first test case ("commit made to merged branch is
reachable from the merge") proves this.

The second test case ("merging two branches in one commit is detected
correctly") is just for completeness, since there was no test for
merging two (feature) branches to trunk in one commit.

Signed-off-by: Tuomas Suutari <tuomas.suutari@gmail.com>
Acked-by: Eric Wong <normalperson@yhbt.net>
2010-02-26 01:30:23 -08:00

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#!/bin/sh
#
# this script sets up a Subversion repository for Makefile in the
# first ever git merge, as if it were done with svnmerge (SVN 1.5+)
#
rm -rf foo.svn foo
set -e
mkdir foo.svn
svnadmin create foo.svn
svn co file://`pwd`/foo.svn foo
commit() {
i=$(( $1 + 1 ))
shift;
svn commit -m "(r$i) $*" >/dev/null || exit 1
echo $i
}
say() {
echo " * $*"
}
i=0
cd foo
mkdir trunk
mkdir branches
mkdir tags
svn add trunk branches tags
i=$(commit $i "Setup trunk, branches, and tags")
git cat-file blob 6683463e:Makefile > trunk/Makefile
svn add trunk/Makefile
say "Committing ANCESTOR"
i=$(commit $i "ancestor")
svn cp trunk branches/left
say "Committing BRANCH POINT"
i=$(commit $i "make left branch")
svn cp trunk branches/right
say "Committing other BRANCH POINT"
i=$(commit $i "make right branch")
say "Committing LEFT UPDATE"
git cat-file blob 5873b67e:Makefile > branches/left/Makefile
i=$(commit $i "left update 1")
git cat-file blob 75118b13:Makefile > branches/right/Makefile
say "Committing RIGHT UPDATE"
pre_right_update_1=$i
i=$(commit $i "right update 1")
say "Making more commits on LEFT"
git cat-file blob ff5ebe39:Makefile > branches/left/Makefile
i=$(commit $i "left update 2")
git cat-file blob b5039db6:Makefile > branches/left/Makefile
i=$(commit $i "left update 3")
say "Making a LEFT SUB-BRANCH"
svn cp branches/left branches/left-sub
sub_left_make=$i
i=$(commit $i "make left sub-branch")
say "Making a commit on LEFT SUB-BRANCH"
echo "crunch" > branches/left-sub/README
svn add branches/left-sub/README
i=$(commit $i "left sub-branch update 1")
say "Merging LEFT to TRUNK"
svn update
cd trunk
svn merge ../branches/left --accept postpone
git cat-file blob b5039db6:Makefile > Makefile
svn resolved Makefile
i=$(commit $i "Merge left to trunk 1")
cd ..
say "Making more commits on LEFT and RIGHT"
echo "touche" > branches/left/zlonk
svn add branches/left/zlonk
i=$(commit $i "left update 4")
echo "thwacke" > branches/right/bang
svn add branches/right/bang
i=$(commit $i "right update 2")
say "Squash merge of RIGHT tip 2 commits onto TRUNK"
svn update
cd trunk
svn merge -r$pre_right_update_1:$i ../branches/right
i=$(commit $i "Cherry-pick right 2 commits to trunk")
cd ..
say "Merging RIGHT to TRUNK"
svn update
cd trunk
svn merge ../branches/right --accept postpone
git cat-file blob b51ad431:Makefile > Makefile
svn resolved Makefile
i=$(commit $i "Merge right to trunk 1")
cd ..
say "Making more commits on RIGHT and TRUNK"
echo "whamm" > branches/right/urkkk
svn add branches/right/urkkk
i=$(commit $i "right update 3")
echo "pow" > trunk/vronk
svn add trunk/vronk
i=$(commit $i "trunk update 1")
say "Merging RIGHT to LEFT SUB-BRANCH"
svn update
cd branches/left-sub
svn merge ../right --accept postpone
git cat-file blob b51ad431:Makefile > Makefile
svn resolved Makefile
i=$(commit $i "Merge right to left sub-branch")
cd ../..
say "Making more commits on LEFT SUB-BRANCH and LEFT"
echo "zowie" > branches/left-sub/wham_eth
svn add branches/left-sub/wham_eth
pre_sub_left_update_2=$i
i=$(commit $i "left sub-branch update 2")
sub_left_update_2=$i
echo "eee_yow" > branches/left/glurpp
svn add branches/left/glurpp
i=$(commit $i "left update 5")
say "Cherry pick LEFT SUB-BRANCH commit to LEFT"
svn update
cd branches/left
svn merge -r$pre_sub_left_update_2:$sub_left_update_2 ../left-sub
i=$(commit $i "Cherry-pick left sub-branch commit to left")
cd ../..
say "Merging LEFT SUB-BRANCH back to LEFT"
svn update
cd branches/left
# it's only a merge because the previous merge cherry-picked the top commit
svn merge -r$sub_left_make:$sub_left_update_2 ../left-sub --accept postpone
i=$(commit $i "Merge left sub-branch to left")
cd ../..
say "Merging EVERYTHING to TRUNK"
svn update
cd trunk
svn merge ../branches/left --accept postpone
svn resolved bang
i=$(commit $i "Merge left to trunk 2")
# this merge, svn happily updates the mergeinfo, but there is actually
# nothing to merge. git-svn will not make a meaningless merge commit.
svn merge ../branches/right --accept postpone
i=$(commit $i "non-merge right to trunk 2")
cd ..
say "Branching b1 from trunk"
svn update
svn cp trunk branches/b1
i=$(commit $i "make b1 branch from trunk")
say "Branching b2 from trunk"
svn update
svn cp trunk branches/b2
i=$(commit $i "make b2 branch from trunk")
say "Make a commit to b2"
svn update
cd branches/b2
echo "b2" > b2file
svn add b2file
i=$(commit $i "b2 update 1")
cd ../..
say "Make a commit to b1"
svn update
cd branches/b1
echo "b1" > b1file
svn add b1file
i=$(commit $i "b1 update 1")
cd ../..
say "Merge b1 to trunk"
svn update
cd trunk
svn merge ../branches/b1/ --accept postpone
i=$(commit $i "Merge b1 to trunk")
cd ..
say "Make a commit to trunk before merging trunk to b2"
svn update
cd trunk
echo "trunk" > trunkfile
svn add trunkfile
i=$(commit $i "trunk commit before merging trunk to b2")
cd ..
say "Merge trunk to b2"
svn update
cd branches/b2
svn merge ../../trunk/ --accept postpone
i=$(commit $i "Merge trunk to b2")
cd ../..
say "Merge b2 to trunk"
svn update
cd trunk
svn merge ../branches/b2/ --accept postpone
svn resolved b1file
svn resolved trunkfile
i=$(commit $i "Merge b2 to trunk")
cd ..
say "Creating f1 from trunk with a new file"
svn update
svn cp trunk branches/f1
cd branches/f1
echo "f1" > f1file
svn add f1file
cd ../..
i=$(commit $i "make f1 branch from trunk with a new file")
say "Creating f2 from trunk with a new file"
svn update
svn cp trunk branches/f2
cd branches/f2
echo "f2" > f2file
svn add f2file
cd ../..
i=$(commit $i "make f2 branch from trunk with a new file")
say "Merge f1 and f2 to trunk in one go"
svn update
cd trunk
svn merge ../branches/f1/ --accept postpone
svn merge ../branches/f2/ --accept postpone
i=$(commit $i "Merge f1 and f2 to trunk")
cd ..
say "Adding subdirectory to LEFT"
svn update
cd branches/left
mkdir subdir
echo "Yeehaw" > subdir/cowboy
svn add subdir
i=$(commit $i "add subdirectory to left branch")
cd ../../
say "Merging LEFT to TRUNK"
svn update
cd trunk
svn merge ../branches/left --accept postpone
i=$(commit $i "merge left to trunk")
cd ..
say "Make PARTIAL branch"
svn update
svn cp trunk/subdir branches/partial
i=$(commit $i "make partial branch")
say "Make a commit to PARTIAL"
svn update
cd branches/partial
echo "racecar" > palindromes
svn add palindromes
i=$(commit $i "partial update")
cd ../../
say "Merge PARTIAL to TRUNK"
svn update
cd trunk/subdir
svn merge ../../branches/partial --accept postpone
i=$(commit $i "merge partial to trunk")
cd ../../
say "Tagging trunk"
svn update
svn cp trunk tags/v1.0
i=$(commit $i "tagging v1.0")
say "Branching BUGFIX from v1.0"
svn update
svn cp tags/v1.0 branches/bugfix
i=$(commit $i "make bugfix branch from tag")
say "Make a commit to BUGFIX"
svn update
cd branches/bugfix/
echo "kayak" >> subdir/palindromes
i=$(commit $i "commit to bugfix")
cd ../../
say "Merge BUGFIX to TRUNK"
svn update
cd trunk
svn merge ../branches/bugfix/ --accept postpone
i=$(commit $i "Merge BUGFIX to TRUNK")
cd ..
cd ..
svnadmin dump foo.svn > svn-mergeinfo.dump
rm -rf foo foo.svn