branch=$3
# want to make sure that what is pointed to has a .git directory ...
-test -d "$orig_git/.git" || die "\"$orig_git\" is not a git repository!"
+git_dir=$(cd "$orig_git" 2>/dev/null &&
+ git rev-parse --git-dir 2>/dev/null) ||
+ die "\"$orig_git\" is not a git repository!"
+
+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 $0"
+fi
# don't link to a workdir
-if test -L "$orig_git/.git/config"
+if test -L "$git_dir/config"
then
die "\"$orig_git\" is a working directory only, please specify" \
"a complete repository."
fi
# make sure the the links use full paths
-orig_git=$(cd "$orig_git"; pwd)
+git_dir=$(cd "$git_dir"; pwd)
# create the workdir
mkdir -p "$new_workdir/.git" || die "unable to create \"$new_workdir\"!"
mkdir -p "$(dirname "$new_workdir/.git/$x")"
;;
esac
- ln -s "$orig_git/.git/$x" "$new_workdir/.git/$x"
+ ln -s "$git_dir/$x" "$new_workdir/.git/$x"
done
# now setup the workdir
cd "$new_workdir"
# copy the HEAD from the original repository as a default branch
-cp "$orig_git/.git/HEAD" .git/HEAD
+cp "$git_dir/HEAD" .git/HEAD
# checkout the branch (either the same as HEAD from the original repository, or
# the one that was asked for)
git checkout -f $branch