Thanks Peff and Junio for the review of the last round.

Changes since v3:

- Instead of using ${1-...} to check for missing arguments and dying
  show the usage for stash instead, being more consistent with how the
  rest of stash behaves
- Let push_stash handle the --help argument from save_stash as well,
  passing it through directly.

- Fix the tests to not pipe the output to something, and thereby
  swallowing the error codes

- Update the commit message in 4/7 to acknowledge that there is a
  small regression between the two versions

- Correctly detect when there are no changes, and only show the
  message once
- Fix the accidental deletion of untracked files when a pathspec is
  used.  Also added test cases for that.
- Add documentation for git stash push to the usage text
- Respect the -q flag and the GIT_QUIET environment variable

- This also adds two new patches, one using push_stash instead of
  save_stash for git stash without any verb.  The other allows using a
  pathspec in the verb-less option of git stash.

Interdiff below:
diff --git a/Documentation/git-stash.txt b/Documentation/git-stash.txt
index be55e456fa..b0825f4aca 100644
--- a/Documentation/git-stash.txt
+++ b/Documentation/git-stash.txt
@@ -13,15 +13,15 @@ SYNOPSIS
 'git stash' drop [-q|--quiet] [<stash>]
 'git stash' ( pop | apply ) [--index] [-q|--quiet] [<stash>]
 'git stash' branch <branchname> [<stash>]
-'git stash' [save [-p|--patch] [-k|--[no-]keep-index] [-q|--quiet]
-            [-u|--include-untracked] [-a|--all] [<message>]]
-'git stash' push [-p|--patch] [-k|--[no-]keep-index] [-q|--quiet]
+'git stash' save [-p|--patch] [-k|--[no-]keep-index] [-q|--quiet]
+            [-u|--include-untracked] [-a|--all] [<message>]
+'git stash' [push [-p|--patch] [-k|--[no-]keep-index] [-q|--quiet]
             [-u|--include-untracked] [-a|--all] [-m|--message <message>]]
-            [--] [<pathspec>...]
+            [--] [<pathspec>...]]
 'git stash' clear
 'git stash' create [<message>]
 'git stash' create [-m <message>] [-u|--include-untracked <untracked|all>]
-            [-- <paths>...]
+            [-- <pathspec>...]
 'git stash' store [-m|--message <message>] [-q|--quiet] <commit>
 
 DESCRIPTION
diff --git a/git-stash.sh b/git-stash.sh
index 46367d40aa..a184b1e274 100755
--- a/git-stash.sh
+++ b/git-stash.sh
@@ -7,8 +7,11 @@ USAGE="list [<options>]
    or: $dashless drop [-q|--quiet] [<stash>]
    or: $dashless ( pop | apply ) [--index] [-q|--quiet] [<stash>]
    or: $dashless branch <branchname> [<stash>]
-   or: $dashless [save [--patch] [-k|--[no-]keep-index] [-q|--quiet]
-                      [-u|--include-untracked] [-a|--all] [<message>]]
+   or: $dashless save [--patch] [-k|--[no-]keep-index] [-q|--quiet]
+                     [-u|--include-untracked] [-a|--all] [<message>]
+   or: $dashless [push [--patch] [-k|--[no-]keep-index] [-q|--quiet]
+                      [-u|--include-untracked] [-a|--all] [-m <message>]
+                      [-- <pathspec>...]]
    or: $dashless clear"
 
 SUBDIRECTORY_OK=Yes
@@ -33,8 +36,8 @@ else
 fi
 
 no_changes () {
-       git diff-index --quiet --cached HEAD --ignore-submodules -- &&
-       git diff-files --quiet --ignore-submodules &&
+       git diff-index --quiet --cached HEAD --ignore-submodules -- "$@" &&
+       git diff-files --quiet --ignore-submodules -- "$@" &&
        (test -z "$untracked" || test -z "$(untracked_files)")
 }
 
@@ -64,11 +67,13 @@ create_stash () {
                case "$1" in
                -m|--message)
                        shift
-                       stash_msg=${1?"-m needs an argument"}
+                       test -z ${1+x} && usage
+                       stash_msg="$1"
                        new_style=t
                        ;;
                -u|--include-untracked)
                        shift
+                       test -z ${1+x} && usage
                        untracked="$1"
                        new_style=t
                        ;;
@@ -104,14 +109,11 @@ create_stash () {
        if test -z "$new_style"
        then
                stash_msg="$*"
-               while test $# != 0
-               do
-                       shift
-               done
+               set --
        fi
 
        git update-index -q --refresh
-       if no_changes
+       if no_changes "$@"
        then
                exit 0
        fi
@@ -270,7 +272,8 @@ push_stash () {
                        ;;
                -m|--message)
                        shift
-                       stash_msg=${1?"-m needs an argument"}
+                       test -z ${1+x} && usage
+                       stash_msg=$1
                        ;;
                --help)
                        show_help
@@ -308,7 +311,7 @@ push_stash () {
        fi
 
        git update-index -q --refresh
-       if no_changes
+       if no_changes "$@"
        then
                say "$(gettext "No local changes to save")"
                exit 0
@@ -325,9 +328,23 @@ push_stash () {
        then
                if test $# != 0
                then
-                       git ls-files -z -- "$@" | xargs -0 git reset --
-                       git ls-files -z --modified -- "$@" | xargs -0 git 
checkout HEAD --
-                       git ls-files -z --others -- "$@" | xargs -0 git clean 
--force --
+                       saved_untracked=
+                       if test -n "$(git ls-files --others -- "$@")"
+                       then
+                               saved_untracked=$(
+                                       git ls-files -z --others -- "$@" |
+                                           xargs -0 git stash create -u all --)
+                       fi
+                       git ls-files -z -- "$@" | xargs -0 git reset 
${GIT_QUIET:+-q} --
+                       git ls-files -z --modified -- "$@" | xargs -0 git 
checkout ${GIT_QUIET:+-q} HEAD --
+                       if test -n "$(git ls-files -z --others -- "$@")"
+                       then
+                               git ls-files -z --others -- "$@" | xargs -0 git 
clean --force -d ${GIT_QUIET:+-q} --
+                       fi
+                       if test -n "$saved_untracked"
+                       then
+                               git stash pop -q $saved_untracked
+                       fi
                else
                        git reset --hard ${GIT_QUIET:+-q}
                fi
@@ -357,9 +374,6 @@ save_stash () {
        while test $# != 0
        do
                case "$1" in
-               --help)
-                       show_help
-                       ;;
                --)
                        shift
                        break
@@ -685,17 +699,18 @@ apply_to_branch () {
 }
 
 PARSE_CACHE='--not-parsed'
-# The default command is "save" if nothing but options are given
+# The default command is "push" if nothing but options are given
 seen_non_option=
 for opt
 do
        case "$opt" in
+       --) break ;;
        -*) ;;
        *) seen_non_option=t; break ;;
        esac
 done
 
-test -n "$seen_non_option" || set "save" "$@"
+test -n "$seen_non_option" || set "push" "$@"
 
 # Main command set
 case "$1" in
@@ -746,7 +761,7 @@ branch)
 *)
        case $# in
        0)
-               save_stash &&
+               push_stash &&
                say "$(gettext "(To restore them type \"git stash apply\")")"
                ;;
        *)
diff --git a/t/t3903-stash.sh b/t/t3903-stash.sh
index 461fe46045..22ac75377b 100755
--- a/t/t3903-stash.sh
+++ b/t/t3903-stash.sh
@@ -274,9 +274,7 @@ test_expect_success 'stash --invalid-option' '
        git add file2 &&
        test_must_fail git stash --invalid-option &&
        test_must_fail git stash save --invalid-option &&
-       test bar5,bar6 = $(cat file),$(cat file2) &&
-       git stash -- -message-starting-with-dash &&
-       test bar,bar2 = $(cat file),$(cat file2)
+       test bar5,bar6 = $(cat file),$(cat file2)
 '
 
 test_expect_success 'stash an added file' '
@@ -780,7 +778,7 @@ test_expect_success 'push -m shows right message' '
        git add foo &&
        git stash push -m "test message" &&
        echo "stash@{0}: On master: test message" >expect &&
-       git stash list | head -n 1 >actual &&
+       git stash list -1 >actual &&
        test_cmp expect actual
 '
 
@@ -789,7 +787,7 @@ test_expect_success 'create stores correct message' '
        git add foo &&
        STASH_ID=$(git stash create "create test message") &&
        echo "On master: create test message" >expect &&
-       git show --pretty=%s ${STASH_ID} | head -n1 >actual &&
+       git show --pretty=%s -s ${STASH_ID} >actual &&
        test_cmp expect actual
 '
 
@@ -798,7 +796,7 @@ test_expect_success 'create with multiple arguments for the 
message' '
        git add foo &&
        STASH_ID=$(git stash create test untracked) &&
        echo "On master: test untracked" >expect &&
-       git show --pretty=%s ${STASH_ID} | head -n1 >actual &&
+       git show --pretty=%s -s ${STASH_ID} >actual &&
        test_cmp expect actual
 '
 
@@ -807,7 +805,7 @@ test_expect_success 'new style stash create stores correct 
message' '
        git add foo &&
        STASH_ID=$(git stash create -m "create test message new style") &&
        echo "On master: create test message new style" >expect &&
-       git show --pretty=%s ${STASH_ID} | head -n1 >actual &&
+       git show --pretty=%s -s ${STASH_ID} >actual &&
        test_cmp expect actual
 '
 
@@ -839,18 +837,63 @@ test_expect_success 'stash with multiple filename 
arguments' '
 '
 
 test_expect_success 'stash with file including $IFS character' '
-       >"foo   bar" &&
+       >"foo bar" &&
        >foo &&
-       >untracked &&
+       >bar &&
        git add foo* &&
-       git stash push -- foo* &&
-       test_path_is_missing "foo       bar" &&
-       test_path_is_missing foo &&
-       test_path_is_file untracked &&
+       git stash push -- "foo b*" &&
+       test_path_is_missing "foo bar" &&
+       test_path_is_file foo &&
+       test_path_is_file bar &&
        git stash pop &&
-       test_path_is_file "foo  bar" &&
+       test_path_is_file "foo bar" &&
        test_path_is_file foo &&
+       test_path_is_file bar
+'
+
+test_expect_success 'stash push -p with pathspec shows no changes only onece' '
+       >file &&
+       git add file &&
+       git stash push -p not-file >actual &&
+       echo "No local changes to save" >expect &&
+       test_cmp expect actual
+'
+
+test_expect_success 'stash push with pathspec shows no changes when there are 
none' '
+       >file &&
+       git add file &&
+       git stash push not-file >actual &&
+       echo "No local changes to save" >expect &&
+       test_cmp expect actual
+'
+
+test_expect_success 'untracked file is not removed when using pathspecs' '
+       >untracked &&
+       git stash push untracked &&
+       test_path_is_file untracked
+'
+
+test_expect_success 'untracked files are left in place when -u is not given' '
+       >file &&
+       git add file &&
+       >untracked &&
+       git stash push file &&
        test_path_is_file untracked
 '
 
+test_expect_success 'stash without verb with pathspec' '
+       >"foo bar" &&
+       >foo &&
+       >bar &&
+       git add foo* &&
+       git stash -- "foo b*" &&
+       test_path_is_missing "foo bar" &&
+       test_path_is_file foo &&
+       test_path_is_file bar &&
+       git stash pop &&
+       test_path_is_file "foo bar" &&
+       test_path_is_file foo &&
+       test_path_is_file bar
+'
+
 test_done
diff --git a/t/t3905-stash-include-untracked.sh 
b/t/t3905-stash-include-untracked.sh
index 9a98e31a3e..193adc7b68 100755
--- a/t/t3905-stash-include-untracked.sh
+++ b/t/t3905-stash-include-untracked.sh
@@ -197,16 +197,16 @@ test_expect_success 'stash push --include-untracked with 
pathspec' '
 '
 
 test_expect_success 'stash push with $IFS character' '
-       >"foo   bar" &&
+       >"foo bar" &&
        >foo &&
        >bar &&
        git add foo* &&
-       git stash push --include-untracked -- foo* &&
-       test_path_is_missing "foo       bar" &&
-       test_path_is_missing foo &&
+       git stash push --include-untracked -- "foo b*" &&
+       test_path_is_missing "foo bar" &&
+       test_path_is_file foo &&
        test_path_is_file bar &&
        git stash pop &&
-       test_path_is_file "foo  bar" &&
+       test_path_is_file "foo bar" &&
        test_path_is_file foo &&
        test_path_is_file bar
 '

Thomas Gummerer (7):
  Documentation/stash: remove mention of git reset --hard
  stash: introduce push verb
  stash: add test for the create command line arguments
  stash: introduce new format create
  stash: teach 'push' (and 'create') to honor pathspec
  stash: use stash_push for no verb form
  stash: allow pathspecs in the no verb form

 Documentation/git-stash.txt        |  21 ++++-
 git-stash.sh                       | 157 +++++++++++++++++++++++++++++++------
 t/t3903-stash.sh                   | 127 +++++++++++++++++++++++++++++-
 t/t3905-stash-include-untracked.sh |  26 ++++++
 4 files changed, 302 insertions(+), 29 deletions(-)

-- 
2.11.0.301.g86e6ecc671.dirty

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