Merge branch 'maint' into bc/master-diff-hunk-header-fix

* maint: (41 commits)
  Clarify commit error message for unmerged files
  Use strchrnul() instead of strchr() plus manual workaround
  Use remove_path from dir.c instead of own implementation
  Add remove_path: a function to remove as much as possible of a path
  git-submodule: Fix "Unable to checkout" for the initial 'update'
  Clarify how the user can satisfy stash's 'dirty state' check.
  Remove empty directories in recursive merge
  Documentation: clarify the details of overriding LESS via core.pager
  Update release notes for 1.6.0.3
  checkout: Do not show local changes when in quiet mode
  for-each-ref: Fix --format=%(subject) for log message without newlines
  git-stash.sh: don't default to refs/stash if invalid ref supplied
  maint: check return of split_cmdline to avoid bad config strings
  builtin-prune.c: prune temporary packs in <object_dir>/pack directory
  Do not perform cross-directory renames when creating packs
  Use dashless git commands in setgitperms.perl
  git-remote: do not use user input in a printf format string
  make "git remote" report multiple URLs
  Start draft release notes for 1.6.0.3
  git-repack uses --no-repack-object, not --no-repack-delta.
  ...

Conflicts:
	RelNotes

1 files changed, 16 insertions, 3 deletions

diff --git a/git-stash.sh b/git-stash.sh
index d799c76378..42f626f9d5 100755
--- a/git-stash.sh
+++ b/git-stash.sh
@@ -144,7 +144,14 @@ show_stash () {
 	then
 		flags=--stat
 	fi
-	s=$(git rev-parse --revs-only --no-flags --default $ref_stash "$@")
+
+	if test $# = 0
+	then
+		set x "$ref_stash@{0}"
+		shift
+	fi
+
+	s=$(git rev-parse --revs-only --no-flags "$@")
 
 	w_commit=$(git rev-parse --verify "$s") &&
 	b_commit=$(git rev-parse --verify "$s^") &&
@@ -154,7 +161,7 @@ show_stash () {
 apply_stash () {
 	git update-index -q --refresh &&
 	git diff-files --quiet --ignore-submodules ||
-		die 'Cannot restore on top of a dirty state'
+		die 'Cannot apply to a dirty working tree, please stage your changes'
 
 	unstash_index=
 	case "$1" in
@@ -163,13 +170,19 @@ apply_stash () {
 		shift
 	esac
 
+	if test $# = 0
+	then
+		set x "$ref_stash@{0}"
+		shift
+	fi
+
 	# current index state
 	c_tree=$(git write-tree) ||
 		die 'Cannot apply a stash in the middle of a merge'
 
 	# stash records the work tree, and is a merge between the
 	# base commit (first parent) and the index tree (second parent).
-	s=$(git rev-parse --revs-only --no-flags --default $ref_stash "$@") &&
+	s=$(git rev-parse --revs-only --no-flags "$@") &&
 	w_tree=$(git rev-parse --verify "$s:") &&
 	b_tree=$(git rev-parse --verify "$s^1:") &&
 	i_tree=$(git rev-parse --verify "$s^2:") ||