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-rw-r--r--Makefile2
-rwxr-xr-xgit-fetch-script36
-rwxr-xr-xgit-parse-remote79
-rwxr-xr-xgit-pull-script19
4 files changed, 104 insertions, 32 deletions
diff --git a/Makefile b/Makefile
index 8492b08..bf3cd8d 100644
--- a/Makefile
+++ b/Makefile
@@ -36,7 +36,7 @@ SCRIPTS=git git-apply-patch-script git-merge-one-file-script git-prune-script \
git-reset-script git-add-script git-checkout-script git-clone-script \
gitk git-cherry git-rebase-script git-relink-script git-repack-script \
git-format-patch-script git-sh-setup-script git-push-script \
- git-branch-script
+ git-branch-script git-parse-remote
PROG= git-update-cache git-diff-files git-init-db git-write-tree \
git-read-tree git-commit-tree git-cat-file git-fsck-cache \
diff --git a/git-fetch-script b/git-fetch-script
index acb1e56..fce43e6 100755
--- a/git-fetch-script
+++ b/git-fetch-script
@@ -1,33 +1,39 @@
#!/bin/sh
#
-destination=FETCH_HEAD
-
-merge_repo=$1
-merge_name=${2:-HEAD}
-if [ "$2" = "tag" ]; then
- merge_name="refs/tags/$3"
- destination="$merge_name"
-fi
-
. git-sh-setup-script || die "Not a git archive"
+. git-parse-remote "$@"
+merge_repo="$_remote_repo"
+merge_head="$_remote_head"
+merge_store="$_remote_store"
TMP_HEAD="$GIT_DIR/TMP_HEAD"
case "$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" "$merge_repo/"
+ head=$(wget -q -O - "$merge_repo/$merge_head") || exit 1
+ echo Fetching "$merge_head" using http
+ git-http-pull -v -a "$merge_head" "$merge_repo/"
;;
rsync://*)
- rsync -L "$merge_repo/$merge_name" "$TMP_HEAD" || exit 1
+ rsync -L "$merge_repo/$merge_head" "$TMP_HEAD" || exit 1
head=$(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")
+ head=$(git-fetch-pack "$merge_repo" "$merge_head")
;;
esac || exit 1
+
git-rev-parse --verify "$head" > /dev/null || exit 1
-echo "$head" > "$GIT_DIR/$destination"
+
+case "$merge_store" in
+'')
+ echo "$head" > "$GIT_DIR/$merge_store"
+esac &&
+
+# FETCH_HEAD is fed to git-resolve-script which will eventually be
+# passed to git-commit-tree as one of the parents. Make sure we do
+# not give a tag object ID.
+
+git-rev-parse "$head^0" >"$GIT_DIR/FETCH_HEAD"
diff --git a/git-parse-remote b/git-parse-remote
new file mode 100755
index 0000000..bfe7a90
--- /dev/null
+++ b/git-parse-remote
@@ -0,0 +1,79 @@
+: To be included in git-pull and git-fetch scripts.
+
+# A remote repository can be specified on the command line
+# in one of the following formats:
+#
+# <repo>
+# <repo> <head>
+# <repo> tag <tag>
+#
+# where <repo> could be one of:
+#
+# a URL (including absolute or local pathname)
+# a short-hand
+# a short-hand followed by a trailing path
+#
+# A short-hand <name> has a corresponding file $GIT_DIR/branches/<name>,
+# whose contents is a URL, possibly followed by a URL fragment #<head>
+# to name the default branch on the remote side to fetch from.
+
+_remote_repo= _remote_store= _remote_head= _remote_name=
+
+case "$1" in
+*:* | /* | ../* | ./* )
+ _remote_repo="$1"
+ ;;
+* )
+ # otherwise, it is a short hand.
+ case "$1" in
+ */*)
+ # a short-hand followed by a trailing path
+ _token=$(expr "$1" : '\([^/]*\)/')
+ _rest=$(expr "$1" : '[^/]*\(/.*\)$')
+ ;;
+ *)
+ _token="$1"
+ _rest=
+ _remote_store="refs/heads/$_token"
+ ;;
+ esac
+ test -f "$GIT_DIR/branches/$_token" ||
+ die "No such remote branch: $_token"
+
+ _remote_repo=$(cat "$GIT_DIR/branches/$_token")"$_rest"
+ ;;
+esac
+
+case "$_remote_repo" in
+*"#"*)
+ _remote_head=`expr "$_remote_repo" : '.*#\(.*\)$'`
+ _remote_repo=`expr "$_remote_repo" : '\(.*\)#'`
+ ;;
+esac
+
+_remote_name=$(echo "$_remote_repo" | sed 's|\.git/*$||')
+
+case "$2" in
+tag)
+ _remote_name="tag '$3' of $_remote_name"
+ _remote_head="refs/tags/$3"
+ _remote_store="$_remote_head"
+ ;;
+?*)
+ # command line specified a head explicitly; do not
+ # store the fetched head as a branch head.
+ _remote_name="head '$2' of $_remote_name"
+ _remote_head="refs/heads/$2"
+ _remote_store=''
+ ;;
+'')
+ case "$_remote_head" in
+ '')
+ _remote_head=HEAD ;;
+ *)
+ _remote_head="refs/heads/$_remote_head"
+ _remote_name="head '$_remote_head' of $_remote_name"
+ ;;
+ esac
+ ;;
+esac
diff --git a/git-pull-script b/git-pull-script
index 8e309fc..fc46326 100755
--- a/git-pull-script
+++ b/git-pull-script
@@ -1,23 +1,10 @@
#!/bin/sh
#
. git-sh-setup-script || die "Not a git archive"
+. git-parse-remote "$@"
+merge_name="$_remote_name"
-merge_repo=$1
-
-merge_name=$(echo "$1" | sed 's:\.git/*$::')
-merge_head=HEAD
-type=head
-if [ "$2" = "tag" ]; then
- type=tag
- shift
-fi
-if [ "$2" ]
-then
- merge_name="$type '$2' of $merge_name"
- merge_head="refs/${type}s/$2"
-fi
-
-git-fetch-script "$merge_repo" "$merge_head" || exit 1
+git-fetch-script "$@" || exit 1
git-resolve-script \
"$(cat "$GIT_DIR"/HEAD)" \