X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=git-checkout.sh;h=3bbd1117739b02572aece86030bb9f02f3110d34;hb=0f76f52621a6d760127cf2a508e09287766219b6;hp=73652fa5f367b8200a9fb05740c09cf12a72bc54;hpb=4ae22d96fe9248dac4f26b1fc91154ba5e879799;p=git.git

diff --git a/git-checkout.sh b/git-checkout.sh
index 73652fa5..3bbd1117 100755
--- a/git-checkout.sh
+++ b/git-checkout.sh
@@ -1,5 +1,8 @@
 #!/bin/sh
-. git-sh-setup || die "Not a git archive"
+
+USAGE='[-f] [-b <new_branch>] [<branch>] [<paths>...]'
+SUBDIRECTORY_OK=Sometimes
+. git-sh-setup
 
 old=$(git-rev-parse HEAD)
 new=
@@ -26,6 +29,9 @@ while [ "$#" != "0" ]; do
 	--)
 		break
 		;;
+	-*)
+		usage
+		;;
 	*)
 		if rev=$(git-rev-parse --verify "$arg^0" 2>/dev/null)
 		then
@@ -74,8 +80,7 @@ then
 		# from a specific tree-ish; note that this is for
 		# rescuing paths and is never meant to remove what
 		# is not in the named tree-ish.
-		git-ls-tree -r "$new" "$@" |
-		sed -ne 's/^\([0-7]*\) blob \(.*\)$/\1 \2/p' |
+		git-ls-tree --full-name -r "$new" "$@" |
 		git-update-index --index-info || exit $?
 	fi
 	git-checkout-index -f -u -- "$@"
@@ -91,6 +96,14 @@ else
 	fi
 fi
 
+# We are switching branches and checking out trees, so
+# we *NEED* to be at the toplevel.
+cdup=$(git-rev-parse --show-cdup)
+if test ! -z "$cdup"
+then
+	cd "$cdup"
+fi
+
 [ -z "$new" ] && new=$old
 
 # If we don't have an old branch that we're switching to,
@@ -112,14 +125,16 @@ else
 fi
 
 # 
-# Switch the HEAD pointer to the new branch if it we
+# Switch the HEAD pointer to the new branch if we
 # checked out a branch head, and remove any potential
 # old MERGE_HEAD's (subsequent commits will clearly not
 # be based on them, since we re-set the index)
 #
 if [ "$?" -eq 0 ]; then
 	if [ "$newbranch" ]; then
-		echo $new > "$GIT_DIR/refs/heads/$newbranch"
+		leading=`expr "refs/heads/$newbranch" : '\(.*\)/'` &&
+		mkdir -p "$GIT_DIR/$leading" &&
+		echo $new >"$GIT_DIR/refs/heads/$newbranch" || exit
 		branch="$newbranch"
 	fi
 	[ "$branch" ] &&