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Editing: git-new-workdir
#!/bin/sh usage () { echo "usage:" $@ exit 127 } die () { echo $@ exit 128 } failed () { die "unable to create new workdir '$new_workdir'!" } if test $# -lt 2 || test $# -gt 3 then usage "$0 <repository> <new_workdir> [<branch>]" fi orig_git=$1 new_workdir=$2 branch=$3 # want to make sure that what is pointed to has a .git directory ... git_dir=$(cd "$orig_git" 2>/dev/null && git rev-parse --git-dir 2>/dev/null) || die "Not a git repository: \"$orig_git\"" case "$git_dir" in .git) git_dir="$orig_git/.git" ;; .) git_dir=$orig_git ;; esac # don't link to a configured bare repository isbare=$(git --git-dir="$git_dir" config --bool --get core.bare) if test ztrue = "z$isbare" then die "\"$git_dir\" has core.bare set to true," \ " remove from \"$git_dir/config\" to use $0" fi # don't link to a workdir if test -h "$git_dir/config" then die "\"$orig_git\" is a working directory only, please specify" \ "a complete repository." fi # make sure the links in the workdir have full paths to the original repo git_dir=$(cd "$git_dir" && pwd) || exit 1 # don't recreate a workdir over an existing directory, unless it's empty if test -d "$new_workdir" then if test $(ls -a1 "$new_workdir/." | wc -l) -ne 2 then die "destination directory '$new_workdir' is not empty." fi cleandir="$new_workdir/.git" else cleandir="$new_workdir" fi mkdir -p "$new_workdir/.git" || failed cleandir=$(cd "$cleandir" && pwd) || failed cleanup () { rm -rf "$cleandir" } siglist="0 1 2 15" trap cleanup $siglist # create the links to the original repo. explicitly exclude index, HEAD and # logs/HEAD from the list since they are purely related to the current working # directory, and should not be shared. for x in config refs logs/refs objects info hooks packed-refs remotes rr-cache svn do # create a containing directory if needed case $x in */*) mkdir -p "$new_workdir/.git/${x%/*}" ;; esac ln -s "$git_dir/$x" "$new_workdir/.git/$x" || failed done # commands below this are run in the context of the new workdir cd "$new_workdir" || failed # copy the HEAD from the original repository as a default branch cp "$git_dir/HEAD" .git/HEAD || failed # the workdir is set up. if the checkout fails, the user can fix it. trap - $siglist # checkout the branch (either the same as HEAD from the original repository, # or the one that was asked for) git checkout -f $branch
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