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