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#!/bin/sh
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HGMERGE=true; export HGMERGE
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echo '[extensions]' >> $HGRCPATH
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echo 'graphlog =' >> $HGRCPATH
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echo 'convert =' >> $HGRCPATH
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glog()
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{
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hg glog --template '{rev} "{desc}" files: {files}\n' "$@"
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}
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hg init source
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cd source
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echo foo > foo
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echo baz > baz
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mkdir -p dir/subdir
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echo dir/file >> dir/file
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echo dir/file2 >> dir/file2
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echo dir/subdir/file3 >> dir/subdir/file3
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echo dir/subdir/file4 >> dir/subdir/file4
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hg ci -d '0 0' -qAm '0: add foo baz dir/'
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echo bar > bar
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echo quux > quux
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hg copy foo copied
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hg ci -d '1 0' -qAm '1: add bar quux; copy foo to copied'
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echo >> foo
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hg ci -d '2 0' -m '2: change foo'
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hg up -qC 1
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echo >> bar
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echo >> quux
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hg ci -d '3 0' -m '3: change bar quux'
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hg up -qC 2
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hg merge -qr 3
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echo >> bar
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echo >> baz
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hg ci -d '4 0' -m '4: first merge; change bar baz'
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echo >> bar
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echo 1 >> baz
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echo >> quux
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hg ci -d '5 0' -m '5: change bar baz quux'
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hg up -qC 4
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echo >> foo
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echo 2 >> baz
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hg ci -d '6 0' -m '6: change foo baz'
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hg up -qC 5
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hg merge -qr 6
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echo >> bar
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hg ci -d '7 0' -m '7: second merge; change bar'
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echo >> foo
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hg ci -m '8: change foo'
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glog
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echo '% final file versions in this repo:'
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hg manifest --debug
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hg debugrename copied
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echo
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cd ..
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splitrepo()
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{
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msg="$1"
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files="$2"
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opts=$3
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echo "% $files: $msg"
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prefix=`echo "$files" | sed -e 's/ /-/g'`
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fmap="$prefix.fmap"
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repo="$prefix.repo"
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for i in $files; do
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echo "include $i" >> "$fmap"
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done
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hg -q convert $opts --filemap "$fmap" --datesort source "$repo"
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hg up -q -R "$repo"
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glog -R "$repo"
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hg -R "$repo" manifest --debug
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}
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splitrepo 'skip unwanted merges; use 1st parent in 1st merge, 2nd in 2nd' foo
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splitrepo 'merges are not merges anymore' bar
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splitrepo '1st merge is not a merge anymore; 2nd still is' baz
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splitrepo 'we add additional merges when they are interesting' 'foo quux'
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splitrepo 'partial conversion' 'bar quux' '-r 3'
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splitrepo 'complete the partial conversion' 'bar quux'
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rm -r foo.repo
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splitrepo 'partial conversion' 'foo' '-r 3'
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splitrepo 'complete the partial conversion' 'foo'
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splitrepo 'copied file; source not included in new repo' copied
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hg --cwd copied.repo debugrename copied
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splitrepo 'copied file; source included in new repo' 'foo copied'
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hg --cwd foo-copied.repo debugrename copied
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cat > renames.fmap <<EOF
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include dir
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exclude dir/file2
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rename dir dir2
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include foo
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include copied
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rename foo foo2
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rename copied copied2
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exclude dir/subdir
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include dir/subdir/file3
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EOF
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hg -q convert --filemap renames.fmap --datesort source renames.repo
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hg up -q -R renames.repo
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glog -R renames.repo
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hg -R renames.repo manifest --debug
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hg --cwd renames.repo debugrename copied2
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echo 'copied:'
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hg --cwd source cat copied
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echo 'copied2:'
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hg --cwd renames.repo cat copied2
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echo % filemap errors
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cat > errors.fmap <<EOF
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include dir/ # beware that comments changes error line numbers!
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exclude /dir
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rename dir//dir /dir//dir/ "out of sync"
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include
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EOF
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hg -q convert --filemap errors.fmap source errors.repo
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true # happy ending
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