fetch: Speed up fetch of large numbers of refs

diff --git a/git-stash.sh b/git-stash.sh
index 81a72f68cc47aed881b618f893d49c776fe52ae8..4febbbfa5d13b241e9bfcc479c6767a90bd12919 100755 (executable)
--- a/git-stash.sh
+++ b/git-stash.sh
@@ -8,7 +8,6 @@ USAGE="list [<options>]
    or: $dashless ( pop | apply ) [--index] [-q|--quiet] [<stash>]
    or: $dashless branch <branchname> [<stash>]
    or: $dashless [save [-k|--keep-index] [-q|--quiet] [<message>]]
-   or: $dashless [-k|--keep-index]
    or: $dashless clear"
 
 SUBDIRECTORY_OK=Yes
@@ -146,6 +145,14 @@ save_stash () {
                -q|--quiet)
                        GIT_QUIET=t
                        ;;
+               --)
+                       shift
+                       break
+                       ;;
+               -*)
+                       echo "error: unknown option for 'stash save': $1"
+                       usage
+                       ;;
                *)
                        break
                        ;;
@@ -215,10 +222,6 @@ show_stash () {
 }
 
 apply_stash () {
-       git update-index -q --refresh &&
-       git diff-files --quiet --ignore-submodules ||
-               die 'Cannot apply to a dirty working tree, please stage your changes'
-
        unstash_index=
 
        while test $# != 0
@@ -237,18 +240,27 @@ apply_stash () {
                shift
        done
 
-       # current index state
-       c_tree=$(git write-tree) ||
-               die 'Cannot apply a stash in the middle of a merge'
+       if test $# = 0
+       then
+               have_stash || die 'Nothing to apply'
+       fi
 
        # 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 --verify --default $ref_stash "$@") &&
-       w_tree=$(git rev-parse --verify "$s:") &&
-       b_tree=$(git rev-parse --verify "$s^1:") &&
-       i_tree=$(git rev-parse --verify "$s^2:") ||
+       s=$(git rev-parse --quiet --verify --default $ref_stash "$@") &&
+       w_tree=$(git rev-parse --quiet --verify "$s:") &&
+       b_tree=$(git rev-parse --quiet --verify "$s^1:") &&
+       i_tree=$(git rev-parse --quiet --verify "$s^2:") ||
                die "$*: no valid stashed state found"
 
+       git update-index -q --refresh &&
+       git diff-files --quiet --ignore-submodules ||
+               die 'Cannot apply to a dirty working tree, please stage your changes'
+
+       # current index state
+       c_tree=$(git write-tree) ||
+               die 'Cannot apply a stash in the middle of a merge'
+
        unstashed_index_tree=
        if test -n "$unstash_index" && test "$b_tree" != "$i_tree" &&
                        test "$c_tree" != "$i_tree"
@@ -355,6 +367,18 @@ apply_to_branch () {
        drop_stash $stash
 }
 
+# The default command is "save" if nothing but options are given
+seen_non_option=
+for opt
+do
+       case "$opt" in
+       -*) ;;
+       *) seen_non_option=t; break ;;
+       esac
+done
+
+test -n "$seen_non_option" || set "save" "$@"
+
 # Main command set
 case "$1" in
 list)
@@ -406,9 +430,9 @@ branch)
        apply_to_branch "$@"
        ;;
 *)
-       case $#,"$1" in
-       0,|1,-k|1,--keep-index)
-               save_stash "$@" &&
+       case $# in
+       0)
+               save_stash &&
                say '(To restore them type "git stash apply")'
                ;;
        *)