+mkdir "$dir" &&
+D=$(
+ (cd "$dir" && git-init-db && pwd)
+) &&
+test -d "$D" || usage
+
+# We do local magic only when the user tells us to.
+case "$local,$use_local" in
+yes,yes)
+ ( cd "$repo/objects" ) || {
+ echo >&2 "-l flag seen but $repo is not local."
+ exit 1
+ }
+
+ # See if we can hardlink and drop "l" if not.
+ sample_file=$(cd "$repo" && \
+ find objects -type f -print | sed -e 1q)
+
+ # objects directory should not be empty since we are cloning!
+ test -f "$repo/$sample_file" || exit
+
+ l=
+ if ln "$repo/$sample_file" "$D/.git/objects/sample" 2>/dev/null
+ then
+ l=l
+ fi &&
+ rm -f "$D/.git/objects/sample" &&
+ cd "$repo" &&
+ find objects -type f -print |
+ cpio -puamd$l "$D/.git/" || exit 1
+
+ # Make a duplicate of refs and HEAD pointer
+ HEAD=
+ if test -f "$repo/HEAD"
+ then
+ HEAD=HEAD
+ fi
+ tar Ccf "$repo" - refs $HEAD | tar Cxf "$D/.git" - || exit 1
+ ;;
+*)
+ case "$repo" in
+ rsync://*)
+ rsync $quiet -avz --ignore-existing "$repo/objects/" "$D/.git/objects/" &&
+ rsync $quiet -avz --ignore-existing "$repo/refs/" "$D/.git/refs/"
+ ;;
+ http://*)
+ git-clone-dumb-http "$repo" "$D"
+ case "$?" in
+ 2)
+ echo "Somebody should define smarter http server protocol" >&2
+ exit 1
+ ;;
+ 0)
+ ;;
+ *)
+ exit
+ esac
+ ;;
+ *)
+ cd "$D" && case "$upload_pack" in
+ '') git-clone-pack $quiet "$repo" ;;
+ *) git-clone-pack $quiet "$upload_pack" "$repo" ;;
+ esac
+ ;;
+ esac
+ ;;
+esac
+
+# Update origin.
+mkdir -p "$D/.git/branches/" &&
+rm -f "$D/.git/branches/origin" &&
+echo "$repo" >"$D/.git/branches/origin"