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58 lines
1.3 KiB
58 lines
1.3 KiB
18 years ago
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#!/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=$3
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# want to make sure that what is pointed to has a .git directory ...
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test -d "$orig_git/.git" || die "\"$orig_git\" is not a git repository!"
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# don't link to a workdir
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if test -L "$orig_git/.git/config"
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then
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die "\"$orig_git\" is a working directory only, please specify" \
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"a complete repository."
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fi
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# make sure the the links use full paths
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orig_git=$(cd "$orig_git"; pwd)
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# create the workdir
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mkdir -p "$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 "$orig_git/.git/$x" "$new_workdir/.git/$x"
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done
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# now setup the workdir
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cd "$new_workdir"
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# copy the HEAD from the original repository as a default branch
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cp "$orig_git/.git/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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