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64 lines
1.4 KiB
64 lines
1.4 KiB
#!/bin/sh |
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usage () { |
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echo "usage:" $@ |
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exit 127 |
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} |
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die () { |
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echo $@ |
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exit 128 |
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} |
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if test $# -lt 2 || test $# -gt 3 |
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then |
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usage "$0 <repository> <new_workdir> [<branch>]" |
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fi |
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orig_git=$1 |
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new_workdir=$2 |
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branch=$3 |
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# want to make sure that what is pointed to has a .git directory ... |
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git_dir=$(cd "$orig_git" 2>/dev/null && |
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git rev-parse --git-dir 2>/dev/null) || |
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die "\"$orig_git\" is not a git repository!" |
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if test "$git_dir" = ".git" |
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then |
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git_dir="$orig_git/.git" |
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fi |
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# don't link to a workdir |
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if test -L "$git_dir/config" |
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then |
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die "\"$orig_git\" is a working directory only, please specify" \ |
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"a complete repository." |
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fi |
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# make sure the the links use full paths |
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git_dir=$(cd "$git_dir"; pwd) |
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# create the workdir |
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mkdir -p "$new_workdir/.git" || die "unable to create \"$new_workdir\"!" |
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# create the links to the original repo. explictly exclude index, HEAD and |
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# logs/HEAD from the list since they are purely related to the current working |
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# directory, and should not be shared. |
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for x in config refs logs/refs objects info hooks packed-refs remotes rr-cache |
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do |
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case $x in |
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*/*) |
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mkdir -p "$(dirname "$new_workdir/.git/$x")" |
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;; |
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esac |
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ln -s "$git_dir/$x" "$new_workdir/.git/$x" |
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done |
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# now setup the workdir |
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cd "$new_workdir" |
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# copy the HEAD from the original repository as a default branch |
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cp "$git_dir/HEAD" .git/HEAD |
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# checkout the branch (either the same as HEAD from the original repository, or |
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# the one that was asked for) |
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git checkout -f $branch
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