X-Git-Url: https://git.verplant.org/?a=blobdiff_plain;f=git-pull-script;h=bd892c7bbc8b236d46b19444d94e2c023410f4d5;hb=de809dbbce497e0d107562615c1d85ff35b4e0c5;hp=b04a9be21b9f57ba4b10501414dbd5ecc892d96b;hpb=839a7a06f35bf8cd563a41d6db97f453ab108129;p=git.git

diff --git a/git-pull-script b/git-pull-script
index b04a9be2..bd892c7b 100755
--- a/git-pull-script
+++ b/git-pull-script
@@ -1,46 +1,46 @@
 #!/bin/sh
 #
-# use "$1" or something in a real script, this 
-# just hard-codes it.
-#
 merge_repo=$1
+merge_name=${2:-HEAD}
 
-echo "Getting object database"
-rsync -avz --ignore-existing $merge_repo/ .git/
+: ${GIT_DIR=.git}
+: ${GIT_OBJECT_DIRECTORY="${SHA1_FILE_DIRECTORY-"$GIT_DIR/objects"}"}
 
-echo "Getting remote head"
-rsync -avz $merge_repo/HEAD .git/MERGE_HEAD
+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
+}
 
-head=$(cat .git/HEAD)
-merge_head=$(cat .git/MERGE_HEAD)
-common=$(merge-base $head $merge_head)
-if [ -z "$common" ]; then
-	echo "Unable to find common commit between" $merge_head $head
-	exit 1
-fi
+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
+}
 
-# Get the trees associated with those commits
-common_tree=$(cat-file commit $common | sed 's/tree //;q')
-head_tree=$(cat-file commit $head | sed 's/tree //;q')
-merge_tree=$(cat-file commit $merge_head | sed 's/tree //;q')
+echo "Getting remote $merge_name"
+download_one "$merge_repo/$merge_name" "$GIT_DIR"/MERGE_HEAD
+
+echo "Getting object database"
+download_objects "$merge_repo" "$(cat "$GIT_DIR"/MERGE_HEAD)"
 
-if [ "$common" == "$merge_head" ]; then
-	echo "Already up-to-date. Yeeah!"
-	exit 0
-fi
-if [ "$common" == "$head" ]; then
-	echo "Updating from $head to $merge_head."
-	echo "Destroying all noncommitted data!"
-	echo "Kill me within 3 seconds.."
-	sleep 3
-	read-tree $merge_tree && checkout-cache -f -a
-	echo $merge_head > .git/HEAD
-	exit 0
-fi
-echo "Trying to merge $merge_head into $head"
-read-tree -m $common_tree $head_tree $merge_tree
-result_tree=$(write-tree) || exit 1
-result_commit=$(echo "Merge $merge_repo" | commit-tree $result_tree -p $head -p $merge_head)
-echo "Committed merge $result_commit"
-echo $result_commit > .git/HEAD
-read-tree $result_tree && checkout-cache -f -a
+git-resolve-script \
+	"$(cat "$GIT_DIR"/HEAD)" \
+	"$(cat "$GIT_DIR"/MERGE_HEAD)" \
+	"$merge_repo"