pull --rebase: exit early when the working directory is dirty

diff --git a/git-stash.sh b/git-stash.sh
index 534eb168abf8b0b8ae5c2195bf85b66d9cb6b21e..c2b68205a2b69eb91b2403e11238093fc65c04ef 100755 (executable)
--- a/git-stash.sh
+++ b/git-stash.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Copyright (c) 2007, Nanako Shiraishi
 
-USAGE='[ | list | show | apply | clear]'
+USAGE='[  | save | list | show | apply | clear | drop | pop | create ]'
 
 SUBDIRECTORY_OK=Yes
 OPTIONS_SPEC=
@@ -15,11 +15,15 @@ trap 'rm -f "$TMP-*"' 0
 ref_stash=refs/stash
 
 no_changes () {
-       git diff-index --quiet --cached HEAD &&
+       git diff-index --quiet --cached HEAD -- &&
        git diff-files --quiet
 }
 
 clear_stash () {
+       if test $# != 0
+       then
+               die "git stash clear with parameters is unimplemented"
+       fi
        if current=$(git rev-parse --verify $ref_stash 2>/dev/null)
        then
                git update-ref -d $ref_stash $current
@@ -37,7 +41,7 @@ create_stash () {
        # state of the base commit
        if b_commit=$(git rev-parse --verify HEAD)
        then
-               head=$(git log --abbrev-commit --pretty=oneline -n 1 HEAD)
+               head=$(git log --no-color --abbrev-commit --pretty=oneline -n 1 HEAD --)
        else
                die "You do not have the initial commit yet"
        fi
@@ -86,7 +90,7 @@ save_stash () {
 
        if no_changes
        then
-               echo >&2 'No local changes to save'
+               echo 'No local changes to save'
                exit 0
        fi
        test -f "$GIT_DIR/logs/$ref_stash" ||
@@ -99,7 +103,7 @@ save_stash () {
 
        git update-ref -m "$stash_msg" $ref_stash $w_commit ||
                die "Cannot save the current status"
-       printf >&2 'Saved "%s"\n' "$stash_msg"
+       printf 'Saved working directory and index state "%s"\n' "$stash_msg"
 }
 
 have_stash () {
@@ -108,7 +112,7 @@ have_stash () {
 
 list_stash () {
        have_stash || return 0
-       git log --pretty=oneline -g "$@" $ref_stash |
+       git log --no-color --pretty=oneline -g "$@" $ref_stash -- |
        sed -n -e 's/^[.0-9a-f]* refs\///p'
 }
 
@@ -192,6 +196,28 @@ apply_stash () {
        fi
 }
 
+drop_stash () {
+       have_stash || die 'No stash entries to drop'
+
+       if test $# = 0
+       then
+               set x "$ref_stash@{0}"
+               shift
+       fi
+       # Verify supplied argument looks like a stash entry
+       s=$(git rev-parse --revs-only --no-flags "$@") &&
+       git rev-parse --verify "$s:"   > /dev/null 2>&1 &&
+       git rev-parse --verify "$s^1:" > /dev/null 2>&1 &&
+       git rev-parse --verify "$s^2:" > /dev/null 2>&1 ||
+               die "$*: not a valid stashed state"
+
+       git reflog delete --updateref --rewrite "$@" &&
+               echo "Dropped $* ($s)" || die "$*: Could not drop stash entry"
+
+       # clear_stash if we just dropped the last stash entry
+       git rev-parse --verify "$ref_stash@{0}" > /dev/null 2>&1 || clear_stash
+}
+
 # Main command set
 case "$1" in
 list)
@@ -207,12 +233,17 @@ show)
        shift
        show_stash "$@"
        ;;
+save)
+       shift
+       save_stash "$*" && git-reset --hard
+       ;;
 apply)
        shift
        apply_stash "$@"
        ;;
 clear)
-       clear_stash
+       shift
+       clear_stash "$@"
        ;;
 create)
        if test $# -gt 0 && test "$1" = create
@@ -221,14 +252,26 @@ create)
        fi
        create_stash "$*" && echo "$w_commit"
        ;;
-help | usage)
-       usage
+drop)
+       shift
+       drop_stash "$@"
+       ;;
+pop)
+       shift
+       if apply_stash "$@"
+       then
+               test -z "$unstash_index" || shift
+               drop_stash "$@"
+       fi
        ;;
 *)
-       if test $# -gt 0 && test "$1" = save
+       if test $# -eq 0
        then
-               shift
+               save_stash &&
+               echo '(To restore them type "git stash apply")' &&
+               git-reset --hard
+       else
+               usage
        fi
-       save_stash "$*" && git-reset --hard
        ;;
 esac