[PATCH] Add git-var a tool for reading interesting git variables.

[git.git] / git-fetch-script

diff --git a/git-fetch-script b/git-fetch-script
index fb4a537..acb1e56 100755 (executable)
--- a/git-fetch-script
+++ b/git-fetch-script
@@ -9,39 +9,25 @@ if [ "$2" = "tag" ]; then
        destination="$merge_name"
 fi
 
-: ${GIT_DIR=.git}
-: ${GIT_OBJECT_DIRECTORY="${SHA1_FILE_DIRECTORY-"$GIT_DIR/objects"}"}
+. git-sh-setup-script || die "Not a git archive"
 
-download_one () {
-       # remote_path="$1" local_file="$2"
-       case "$1" in
-       http://*)
-               wget -q -O "$2" "$1" ;;
-       /*)
-               test -f "$1" && cat >"$2" "$1" ;;
-       *)
-               rsync -L "$1" "$2" ;;
-       esac
-}
+TMP_HEAD="$GIT_DIR/TMP_HEAD"
 
-download_objects () {
-       # remote_repo="$1" head_sha1="$2"
-       case "$1" in
-       http://*)
-               git-http-pull -a "$2" "$1/"
-               ;;
-       /*)
-               git-local-pull -l -a "$2" "$1/"
-               ;;
-       *)
-               rsync -avz --ignore-existing \
-                       "$1/objects/." "$GIT_OBJECT_DIRECTORY"/.
-               ;;
-       esac
-}
-
-echo "Getting remote $merge_name"
-download_one "$merge_repo/$merge_name" "$GIT_DIR/$destination" || exit 1
-
-echo "Getting object database"
-download_objects "$merge_repo" "$(cat "$GIT_DIR/$destination")" || exit 1
+case "$merge_repo" in
+http://*)
+       head=$(wget -q -O - "$merge_repo/$merge_name") || exit 1
+       echo Fetching $head using http
+       git-http-pull -v -a "$head" "$merge_repo/"
+       ;;
+rsync://*)
+       rsync -L "$merge_repo/$merge_name" "$TMP_HEAD" || exit 1
+       head=$(git-rev-parse TMP_HEAD)
+       rm -f "$TMP_HEAD"
+       rsync -avz --ignore-existing "$merge_repo/objects/" "$GIT_OBJECT_DIRECTORY/"
+       ;;
+*)
+       head=$(git-fetch-pack "$merge_repo" "$merge_name")
+       ;;
+esac || exit 1
+git-rev-parse --verify "$head" > /dev/null || exit 1
+echo "$head" > "$GIT_DIR/$destination"