1 files changed, 44 insertions, 0 deletions
diff --git a/git-pull.sh b/git-pull.sh
new file mode 100755
index 0000000000..c1b4474495
--- /dev/null
+++ b/git-pull.sh
@@ -0,0 +1,44 @@
+#!/bin/sh
+#
+# Copyright (c) 2005 Junio C Hamano
+#
+# Fetch one or more remote refs and merge it/them into the current HEAD.
+
+. git-sh-setup || die "Not a git archive"
+
+orig_head=$(cat "$GIT_DIR/HEAD") || die "Pulling into a black hole?"
+git-fetch --update-head-ok "$@" || exit 1
+
+curr_head=$(cat "$GIT_DIR/HEAD")
+if test "$curr_head" != "$orig_head"
+then
+	# The fetch involved updating the current branch.
+
+	# The working tree and the index file is still based on the
+	# $orig_head commit, but we are merging into $curr_head.
+	# First update the working tree to match $curr_head.
+
+	echo >&2 "Warning: fetch updated the current branch head."
+	echo >&2 "Warning: fast forwarding your working tree."
+	git-read-tree -u -m "$orig_head" "$curr_head" ||
+		die "You need to first update your working tree."
+fi
+
+merge_head=$(sed -e 's/	.*//' "$GIT_DIR"/FETCH_HEAD | tr '\012' ' ')
+merge_name=$(sed -e 's/^[0-9a-f]*	//' "$GIT_DIR"/FETCH_HEAD |
+	 tr '\012' ' ')
+
+case "$merge_head" in
+'')
+	echo >&2 "No changes."
+	exit 0
+	;;
+*' '?*)
+	echo >&2 "Pulling more than one heads; making an Octopus."
+	exec git-octopus
+	;;
+esac
+
+git-resolve \
+	"$(cat "$GIT_DIR"/HEAD)" \
+	$merge_head "Merge $merge_name"