#!/bin/sh
# Copyright (c) 2007, Nanako Shiraishi
-USAGE='[ | list | show | apply | clear]'
+dashless=$(basename "$0" | sed -e 's/-/ /')
+USAGE="list [<options>]
+ or: $dashless show [<stash>]
+ 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] [<message>]]
+ or: $dashless clear"
SUBDIRECTORY_OK=Yes
+OPTIONS_SPEC=
. git-sh-setup
require_work_tree
cd_to_toplevel
ref_stash=refs/stash
+if git config --get-colorbool color.interactive; then
+ help_color="$(git config --get-color color.interactive.help 'red bold')"
+ reset_color="$(git config --get-color '' reset)"
+else
+ help_color=
+ reset_color=
+fi
+
no_changes () {
- git diff-index --quiet --cached HEAD &&
- git diff-files --quiet
+ git diff-index --quiet --cached HEAD --ignore-submodules -- &&
+ git diff-files --quiet --ignore-submodules
}
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 refs/stash $current
+ git update-ref -d $ref_stash $current
fi
}
-save_stash () {
+create_stash () {
stash_msg="$1"
+ git update-index -q --refresh
if no_changes
then
- echo >&2 'No local changes to save'
exit 0
fi
- test -f "$GIT_DIR/logs/$ref_stash" ||
- clear_stash || die "Cannot initialize stash"
-
- # Make sure the reflog for stash is kept.
- : >>"$GIT_DIR/logs/$ref_stash"
# state of the base commit
if b_commit=$(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
git commit-tree $i_tree -p $b_commit) ||
die "Cannot save the current index state"
- # state of the working tree
- w_tree=$( (
+ if test -z "$patch_mode"
+ then
+
+ # state of the working tree
+ w_tree=$( (
+ rm -f "$TMP-index" &&
+ cp -p ${GIT_INDEX_FILE-"$GIT_DIR/index"} "$TMP-index" &&
+ GIT_INDEX_FILE="$TMP-index" &&
+ export GIT_INDEX_FILE &&
+ git read-tree -m $i_tree &&
+ git add -u &&
+ git write-tree &&
+ rm -f "$TMP-index"
+ ) ) ||
+ die "Cannot save the current worktree state"
+
+ else
+
rm -f "$TMP-index" &&
- cp -p ${GIT_INDEX_FILE-"$GIT_DIR/index"} "$TMP-index" &&
- GIT_INDEX_FILE="$TMP-index" &&
- export GIT_INDEX_FILE &&
- git read-tree -m $i_tree &&
- git add -u &&
- git write-tree &&
- rm -f "$TMP-index"
- ) ) ||
+ GIT_INDEX_FILE="$TMP-index" git read-tree HEAD &&
+
+ # find out what the user wants
+ GIT_INDEX_FILE="$TMP-index" \
+ git add--interactive --patch=stash -- &&
+
+ # state of the working tree
+ w_tree=$(GIT_INDEX_FILE="$TMP-index" git write-tree) ||
die "Cannot save the current worktree state"
+ git diff-tree -p HEAD $w_tree > "$TMP-patch" &&
+ test -s "$TMP-patch" ||
+ die "No changes selected"
+
+ rm -f "$TMP-index" ||
+ die "Cannot remove temporary index (can't happen)"
+
+ fi
+
# create the stash
if test -z "$stash_msg"
then
w_commit=$(printf '%s\n' "$stash_msg" |
git commit-tree $w_tree -p $b_commit -p $i_commit) ||
die "Cannot record working tree state"
+}
+
+save_stash () {
+ keep_index=
+ patch_mode=
+ while test $# != 0
+ do
+ case "$1" in
+ -k|--keep-index)
+ keep_index=t
+ ;;
+ --no-keep-index)
+ keep_index=
+ ;;
+ -p|--patch)
+ patch_mode=t
+ keep_index=t
+ ;;
+ -q|--quiet)
+ GIT_QUIET=t
+ ;;
+ --)
+ shift
+ break
+ ;;
+ -*)
+ echo "error: unknown option for 'stash save': $1"
+ usage
+ ;;
+ *)
+ break
+ ;;
+ esac
+ shift
+ done
+
+ stash_msg="$*"
+
+ git update-index -q --refresh
+ if no_changes
+ then
+ say 'No local changes to save'
+ exit 0
+ fi
+ test -f "$GIT_DIR/logs/$ref_stash" ||
+ clear_stash || die "Cannot initialize stash"
+
+ create_stash "$stash_msg"
+
+ # Make sure the reflog for stash is kept.
+ : >>"$GIT_DIR/logs/$ref_stash"
git update-ref -m "$stash_msg" $ref_stash $w_commit ||
die "Cannot save the current status"
- printf >&2 'Saved "%s"\n' "$stash_msg"
+ say Saved working directory and index state "$stash_msg"
+
+ if test -z "$patch_mode"
+ then
+ git reset --hard ${GIT_QUIET:+-q}
+
+ if test -n "$keep_index" && test -n $i_tree
+ then
+ git read-tree --reset -u $i_tree
+ fi
+ else
+ git apply -R < "$TMP-patch" ||
+ die "Cannot remove worktree changes"
+
+ if test -z "$keep_index"
+ then
+ git reset
+ fi
+ fi
}
have_stash () {
list_stash () {
have_stash || return 0
- git log --pretty=oneline -g "$@" $ref_stash |
- sed -n -e 's/^[.0-9a-f]* refs\///p'
+ git log --format="%gd: %gs" -g "$@" $ref_stash --
}
show_stash () {
then
flags=--stat
fi
- s=$(git rev-parse --revs-only --no-flags --default $ref_stash "$@")
- w_commit=$(git rev-parse --verify "$s") &&
- b_commit=$(git rev-parse --verify "$s^") &&
+ w_commit=$(git rev-parse --verify --default $ref_stash "$@") &&
+ b_commit=$(git rev-parse --verify "$w_commit^") &&
git diff $flags $b_commit $w_commit
}
apply_stash () {
- git diff-files --quiet ||
- die 'Cannot restore on top of a dirty state'
-
unstash_index=
- case "$1" in
- --index)
- unstash_index=t
+
+ while test $# != 0
+ do
+ case "$1" in
+ --index)
+ unstash_index=t
+ ;;
+ -q|--quiet)
+ GIT_QUIET=t
+ ;;
+ *)
+ break
+ ;;
+ esac
shift
- esac
+ done
- # current index state
- c_tree=$(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 --revs-only --no-flags --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" != "$i_tree"
+ if test -n "$unstash_index" && test "$b_tree" != "$i_tree" &&
+ test "$c_tree" != "$i_tree"
then
- git diff --binary $s^2^..$s^2 | git apply --cached
+ git diff-tree --binary $s^2^..$s^2 | git apply --cached
test $? -ne 0 &&
die 'Conflicts in index. Try without --index.'
- unstashed_index_tree=$(git-write-tree) ||
+ unstashed_index_tree=$(git write-tree) ||
die 'Could not save index tree'
git reset
fi
export GITHEAD_$w_tree GITHEAD_$c_tree GITHEAD_$b_tree
"
- if git-merge-recursive $b_tree -- $c_tree $w_tree
+ if test -n "$GIT_QUIET"
+ then
+ export GIT_MERGE_VERBOSITY=0
+ fi
+ if git merge-recursive $b_tree -- $c_tree $w_tree
then
# No conflict
if test -n "$unstashed_index_tree"
git read-tree "$unstashed_index_tree"
else
a="$TMP-added" &&
- git diff --cached --name-only --diff-filter=A $c_tree >"$a" &&
+ git diff-index --cached --name-only --diff-filter=A $c_tree >"$a" &&
git read-tree --reset $c_tree &&
git update-index --add --stdin <"$a" ||
die "Cannot unstage modified files"
rm -f "$a"
fi
- git status || :
+ squelch=
+ if test -n "$GIT_QUIET"
+ then
+ squelch='>/dev/null 2>&1'
+ fi
+ eval "git status $squelch" || :
else
# Merge conflict; keep the exit status from merge-recursive
status=$?
fi
}
-# Main command set
-case "$1" in
-list)
- shift
+drop_stash () {
+ have_stash || die 'No stash entries to drop'
+
+ while test $# != 0
+ do
+ case "$1" in
+ -q|--quiet)
+ GIT_QUIET=t
+ ;;
+ *)
+ break
+ ;;
+ esac
+ shift
+ done
+
if test $# = 0
then
- set x -n 10
+ set x "$ref_stash@{0}"
shift
fi
+ # Verify supplied argument looks like a stash entry
+ s=$(git rev-parse --verify "$@") &&
+ 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 "$@" &&
+ say "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
+}
+
+apply_to_branch () {
+ have_stash || die 'Nothing to apply'
+
+ test -n "$1" || die 'No branch name specified'
+ branch=$1
+
+ if test -z "$2"
+ then
+ set x "$ref_stash@{0}"
+ fi
+ stash=$2
+
+ git checkout -b $branch $stash^ &&
+ apply_stash --index $stash &&
+ 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 "$1" in
+list)
+ shift
list_stash "$@"
;;
show)
shift
show_stash "$@"
;;
+save)
+ shift
+ save_stash "$@"
+ ;;
apply)
shift
apply_stash "$@"
;;
clear)
- clear_stash
- ;;
-help | usage)
- usage
+ shift
+ clear_stash "$@"
;;
-*)
- if test $# -gt 0 && test "$1" = save
+create)
+ if test $# -gt 0 && test "$1" = create
then
shift
fi
- save_stash "$*" && git-reset --hard
+ create_stash "$*" && echo "$w_commit"
+ ;;
+drop)
+ shift
+ drop_stash "$@"
+ ;;
+pop)
+ shift
+ if apply_stash "$@"
+ then
+ test -z "$unstash_index" || shift
+ drop_stash "$@"
+ fi
+ ;;
+branch)
+ shift
+ apply_to_branch "$@"
+ ;;
+*)
+ case $# in
+ 0)
+ save_stash &&
+ say '(To restore them type "git stash apply")'
+ ;;
+ *)
+ usage
+ esac
;;
esac