mirror of
https://github.com/git/git
synced 2024-10-28 19:25:47 +00:00
db09f21bbd
When diff.renames configuration is on (and with Git 2.9 and later, it is enabled by default, which made it worse), "git stash" misbehaved if a file is removed and another file with a very similar content is added. * jk/stash-disable-renames-internally: stash: prefer plumbing over git-diff
658 lines
14 KiB
Bash
Executable file
658 lines
14 KiB
Bash
Executable file
#!/bin/sh
|
|
# Copyright (c) 2007, Nanako Shiraishi
|
|
|
|
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]
|
|
[-u|--include-untracked] [-a|--all] [<message>]]
|
|
or: $dashless clear"
|
|
|
|
SUBDIRECTORY_OK=Yes
|
|
OPTIONS_SPEC=
|
|
START_DIR=$(pwd)
|
|
. git-sh-setup
|
|
require_work_tree
|
|
cd_to_toplevel
|
|
|
|
TMP="$GIT_DIR/.git-stash.$$"
|
|
TMPindex=${GIT_INDEX_FILE-"$(git rev-parse --git-path index)"}.stash.$$
|
|
trap 'rm -f "$TMP-"* "$TMPindex"' 0
|
|
|
|
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 --ignore-submodules -- &&
|
|
git diff-files --quiet --ignore-submodules &&
|
|
(test -z "$untracked" || test -z "$(untracked_files)")
|
|
}
|
|
|
|
untracked_files () {
|
|
excl_opt=--exclude-standard
|
|
test "$untracked" = "all" && excl_opt=
|
|
git ls-files -o -z $excl_opt
|
|
}
|
|
|
|
clear_stash () {
|
|
if test $# != 0
|
|
then
|
|
die "$(gettext "git stash clear with parameters is unimplemented")"
|
|
fi
|
|
if current=$(git rev-parse --verify --quiet $ref_stash)
|
|
then
|
|
git update-ref -d $ref_stash $current
|
|
fi
|
|
}
|
|
|
|
create_stash () {
|
|
stash_msg="$1"
|
|
untracked="$2"
|
|
|
|
git update-index -q --refresh
|
|
if no_changes
|
|
then
|
|
exit 0
|
|
fi
|
|
|
|
# state of the base commit
|
|
if b_commit=$(git rev-parse --verify HEAD)
|
|
then
|
|
head=$(git rev-list --oneline -n 1 HEAD --)
|
|
else
|
|
die "$(gettext "You do not have the initial commit yet")"
|
|
fi
|
|
|
|
if branch=$(git symbolic-ref -q HEAD)
|
|
then
|
|
branch=${branch#refs/heads/}
|
|
else
|
|
branch='(no branch)'
|
|
fi
|
|
msg=$(printf '%s: %s' "$branch" "$head")
|
|
|
|
# state of the index
|
|
i_tree=$(git write-tree) &&
|
|
i_commit=$(printf 'index on %s\n' "$msg" |
|
|
git commit-tree $i_tree -p $b_commit) ||
|
|
die "$(gettext "Cannot save the current index state")"
|
|
|
|
if test -n "$untracked"
|
|
then
|
|
# Untracked files are stored by themselves in a parentless commit, for
|
|
# ease of unpacking later.
|
|
u_commit=$(
|
|
untracked_files | (
|
|
GIT_INDEX_FILE="$TMPindex" &&
|
|
export GIT_INDEX_FILE &&
|
|
rm -f "$TMPindex" &&
|
|
git update-index -z --add --remove --stdin &&
|
|
u_tree=$(git write-tree) &&
|
|
printf 'untracked files on %s\n' "$msg" | git commit-tree $u_tree &&
|
|
rm -f "$TMPindex"
|
|
) ) || die "$(gettext "Cannot save the untracked files")"
|
|
|
|
untracked_commit_option="-p $u_commit";
|
|
else
|
|
untracked_commit_option=
|
|
fi
|
|
|
|
if test -z "$patch_mode"
|
|
then
|
|
|
|
# state of the working tree
|
|
w_tree=$( (
|
|
git read-tree --index-output="$TMPindex" -m $i_tree &&
|
|
GIT_INDEX_FILE="$TMPindex" &&
|
|
export GIT_INDEX_FILE &&
|
|
git diff-index --name-only -z HEAD -- >"$TMP-stagenames" &&
|
|
git update-index -z --add --remove --stdin <"$TMP-stagenames" &&
|
|
git write-tree &&
|
|
rm -f "$TMPindex"
|
|
) ) ||
|
|
die "$(gettext "Cannot save the current worktree state")"
|
|
|
|
else
|
|
|
|
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="$TMP-index" git write-tree) ||
|
|
die "$(gettext "Cannot save the current worktree state")"
|
|
|
|
git diff-tree -p HEAD $w_tree -- >"$TMP-patch" &&
|
|
test -s "$TMP-patch" ||
|
|
die "$(gettext "No changes selected")"
|
|
|
|
rm -f "$TMP-index" ||
|
|
die "$(gettext "Cannot remove temporary index (can't happen)")"
|
|
|
|
fi
|
|
|
|
# create the stash
|
|
if test -z "$stash_msg"
|
|
then
|
|
stash_msg=$(printf 'WIP on %s' "$msg")
|
|
else
|
|
stash_msg=$(printf 'On %s: %s' "$branch" "$stash_msg")
|
|
fi
|
|
w_commit=$(printf '%s\n' "$stash_msg" |
|
|
git commit-tree $w_tree -p $b_commit -p $i_commit $untracked_commit_option) ||
|
|
die "$(gettext "Cannot record working tree state")"
|
|
}
|
|
|
|
store_stash () {
|
|
while test $# != 0
|
|
do
|
|
case "$1" in
|
|
-m|--message)
|
|
shift
|
|
stash_msg="$1"
|
|
;;
|
|
-q|--quiet)
|
|
quiet=t
|
|
;;
|
|
*)
|
|
break
|
|
;;
|
|
esac
|
|
shift
|
|
done
|
|
test $# = 1 ||
|
|
die "$(eval_gettext "\"$dashless store\" requires one <commit> argument")"
|
|
|
|
w_commit="$1"
|
|
if test -z "$stash_msg"
|
|
then
|
|
stash_msg="Created via \"git stash store\"."
|
|
fi
|
|
|
|
git update-ref --create-reflog -m "$stash_msg" $ref_stash $w_commit
|
|
ret=$?
|
|
test $ret != 0 && test -z "$quiet" &&
|
|
die "$(eval_gettext "Cannot update \$ref_stash with \$w_commit")"
|
|
return $ret
|
|
}
|
|
|
|
save_stash () {
|
|
keep_index=
|
|
patch_mode=
|
|
untracked=
|
|
while test $# != 0
|
|
do
|
|
case "$1" in
|
|
-k|--keep-index)
|
|
keep_index=t
|
|
;;
|
|
--no-keep-index)
|
|
keep_index=n
|
|
;;
|
|
-p|--patch)
|
|
patch_mode=t
|
|
# only default to keep if we don't already have an override
|
|
test -z "$keep_index" && keep_index=t
|
|
;;
|
|
-q|--quiet)
|
|
GIT_QUIET=t
|
|
;;
|
|
-u|--include-untracked)
|
|
untracked=untracked
|
|
;;
|
|
-a|--all)
|
|
untracked=all
|
|
;;
|
|
--help)
|
|
show_help
|
|
;;
|
|
--)
|
|
shift
|
|
break
|
|
;;
|
|
-*)
|
|
option="$1"
|
|
# TRANSLATORS: $option is an invalid option, like
|
|
# `--blah-blah'. The 7 spaces at the beginning of the
|
|
# second line correspond to "error: ". So you should line
|
|
# up the second line with however many characters the
|
|
# translation of "error: " takes in your language. E.g. in
|
|
# English this is:
|
|
#
|
|
# $ git stash save --blah-blah 2>&1 | head -n 2
|
|
# error: unknown option for 'stash save': --blah-blah
|
|
# To provide a message, use git stash save -- '--blah-blah'
|
|
eval_gettextln "error: unknown option for 'stash save': \$option
|
|
To provide a message, use git stash save -- '\$option'"
|
|
usage
|
|
;;
|
|
*)
|
|
break
|
|
;;
|
|
esac
|
|
shift
|
|
done
|
|
|
|
if test -n "$patch_mode" && test -n "$untracked"
|
|
then
|
|
die "$(gettext "Can't use --patch and --include-untracked or --all at the same time")"
|
|
fi
|
|
|
|
stash_msg="$*"
|
|
|
|
git update-index -q --refresh
|
|
if no_changes
|
|
then
|
|
say "$(gettext "No local changes to save")"
|
|
exit 0
|
|
fi
|
|
git reflog exists $ref_stash ||
|
|
clear_stash || die "$(gettext "Cannot initialize stash")"
|
|
|
|
create_stash "$stash_msg" $untracked
|
|
store_stash -m "$stash_msg" -q $w_commit ||
|
|
die "$(gettext "Cannot save the current status")"
|
|
say "$(eval_gettext "Saved working directory and index state \$stash_msg")"
|
|
|
|
if test -z "$patch_mode"
|
|
then
|
|
git reset --hard ${GIT_QUIET:+-q}
|
|
test "$untracked" = "all" && CLEAN_X_OPTION=-x || CLEAN_X_OPTION=
|
|
if test -n "$untracked"
|
|
then
|
|
git clean --force --quiet -d $CLEAN_X_OPTION
|
|
fi
|
|
|
|
if test "$keep_index" = "t" && test -n "$i_tree"
|
|
then
|
|
git read-tree --reset -u $i_tree
|
|
fi
|
|
else
|
|
git apply -R < "$TMP-patch" ||
|
|
die "$(gettext "Cannot remove worktree changes")"
|
|
|
|
if test "$keep_index" != "t"
|
|
then
|
|
git reset
|
|
fi
|
|
fi
|
|
}
|
|
|
|
have_stash () {
|
|
git rev-parse --verify --quiet $ref_stash >/dev/null
|
|
}
|
|
|
|
list_stash () {
|
|
have_stash || return 0
|
|
git log --format="%gd: %gs" -g --first-parent -m "$@" $ref_stash --
|
|
}
|
|
|
|
show_stash () {
|
|
ALLOW_UNKNOWN_FLAGS=t
|
|
assert_stash_like "$@"
|
|
|
|
if test -z "$FLAGS"
|
|
then
|
|
if test "$(git config --bool stash.showStat || echo true)" = "true"
|
|
then
|
|
FLAGS=--stat
|
|
fi
|
|
|
|
if test "$(git config --bool stash.showPatch || echo false)" = "true"
|
|
then
|
|
FLAGS=${FLAGS}${FLAGS:+ }-p
|
|
fi
|
|
|
|
if test -z "$FLAGS"
|
|
then
|
|
return 0
|
|
fi
|
|
fi
|
|
|
|
git diff ${FLAGS} $b_commit $w_commit
|
|
}
|
|
|
|
show_help () {
|
|
exec git help stash
|
|
exit 1
|
|
}
|
|
|
|
#
|
|
# Parses the remaining options looking for flags and
|
|
# at most one revision defaulting to ${ref_stash}@{0}
|
|
# if none found.
|
|
#
|
|
# Derives related tree and commit objects from the
|
|
# revision, if one is found.
|
|
#
|
|
# stash records the work tree, and is a merge between the
|
|
# base commit (first parent) and the index tree (second parent).
|
|
#
|
|
# REV is set to the symbolic version of the specified stash-like commit
|
|
# IS_STASH_LIKE is non-blank if ${REV} looks like a stash
|
|
# IS_STASH_REF is non-blank if the ${REV} looks like a stash ref
|
|
# s is set to the SHA1 of the stash commit
|
|
# w_commit is set to the commit containing the working tree
|
|
# b_commit is set to the base commit
|
|
# i_commit is set to the commit containing the index tree
|
|
# u_commit is set to the commit containing the untracked files tree
|
|
# w_tree is set to the working tree
|
|
# b_tree is set to the base tree
|
|
# i_tree is set to the index tree
|
|
# u_tree is set to the untracked files tree
|
|
#
|
|
# GIT_QUIET is set to t if -q is specified
|
|
# INDEX_OPTION is set to --index if --index is specified.
|
|
# FLAGS is set to the remaining flags (if allowed)
|
|
#
|
|
# dies if:
|
|
# * too many revisions specified
|
|
# * no revision is specified and there is no stash stack
|
|
# * a revision is specified which cannot be resolve to a SHA1
|
|
# * a non-existent stash reference is specified
|
|
# * unknown flags were set and ALLOW_UNKNOWN_FLAGS is not "t"
|
|
#
|
|
|
|
parse_flags_and_rev()
|
|
{
|
|
test "$PARSE_CACHE" = "$*" && return 0 # optimisation
|
|
PARSE_CACHE="$*"
|
|
|
|
IS_STASH_LIKE=
|
|
IS_STASH_REF=
|
|
INDEX_OPTION=
|
|
s=
|
|
w_commit=
|
|
b_commit=
|
|
i_commit=
|
|
u_commit=
|
|
w_tree=
|
|
b_tree=
|
|
i_tree=
|
|
u_tree=
|
|
|
|
FLAGS=
|
|
REV=
|
|
for opt
|
|
do
|
|
case "$opt" in
|
|
-q|--quiet)
|
|
GIT_QUIET=-t
|
|
;;
|
|
--index)
|
|
INDEX_OPTION=--index
|
|
;;
|
|
--help)
|
|
show_help
|
|
;;
|
|
-*)
|
|
test "$ALLOW_UNKNOWN_FLAGS" = t ||
|
|
die "$(eval_gettext "unknown option: \$opt")"
|
|
FLAGS="${FLAGS}${FLAGS:+ }$opt"
|
|
;;
|
|
*)
|
|
REV="${REV}${REV:+ }'$opt'"
|
|
;;
|
|
esac
|
|
done
|
|
|
|
eval set -- $REV
|
|
|
|
case $# in
|
|
0)
|
|
have_stash || die "$(gettext "No stash found.")"
|
|
set -- ${ref_stash}@{0}
|
|
;;
|
|
1)
|
|
:
|
|
;;
|
|
*)
|
|
die "$(eval_gettext "Too many revisions specified: \$REV")"
|
|
;;
|
|
esac
|
|
|
|
case "$1" in
|
|
*[!0-9]*)
|
|
:
|
|
;;
|
|
*)
|
|
set -- "${ref_stash}@{$1}"
|
|
;;
|
|
esac
|
|
|
|
REV=$(git rev-parse --symbolic --verify --quiet "$1") || {
|
|
reference="$1"
|
|
die "$(eval_gettext "\$reference is not a valid reference")"
|
|
}
|
|
|
|
i_commit=$(git rev-parse --verify --quiet "$REV^2") &&
|
|
set -- $(git rev-parse "$REV" "$REV^1" "$REV:" "$REV^1:" "$REV^2:" 2>/dev/null) &&
|
|
s=$1 &&
|
|
w_commit=$1 &&
|
|
b_commit=$2 &&
|
|
w_tree=$3 &&
|
|
b_tree=$4 &&
|
|
i_tree=$5 &&
|
|
IS_STASH_LIKE=t &&
|
|
test "$ref_stash" = "$(git rev-parse --symbolic-full-name "${REV%@*}")" &&
|
|
IS_STASH_REF=t
|
|
|
|
u_commit=$(git rev-parse --verify --quiet "$REV^3") &&
|
|
u_tree=$(git rev-parse "$REV^3:" 2>/dev/null)
|
|
}
|
|
|
|
is_stash_like()
|
|
{
|
|
parse_flags_and_rev "$@"
|
|
test -n "$IS_STASH_LIKE"
|
|
}
|
|
|
|
assert_stash_like() {
|
|
is_stash_like "$@" || {
|
|
args="$*"
|
|
die "$(eval_gettext "'\$args' is not a stash-like commit")"
|
|
}
|
|
}
|
|
|
|
is_stash_ref() {
|
|
is_stash_like "$@" && test -n "$IS_STASH_REF"
|
|
}
|
|
|
|
assert_stash_ref() {
|
|
is_stash_ref "$@" || {
|
|
args="$*"
|
|
die "$(eval_gettext "'\$args' is not a stash reference")"
|
|
}
|
|
}
|
|
|
|
apply_stash () {
|
|
|
|
assert_stash_like "$@"
|
|
|
|
git update-index -q --refresh || die "$(gettext "unable to refresh index")"
|
|
|
|
# current index state
|
|
c_tree=$(git write-tree) ||
|
|
die "$(gettext "Cannot apply a stash in the middle of a merge")"
|
|
|
|
unstashed_index_tree=
|
|
if test -n "$INDEX_OPTION" && test "$b_tree" != "$i_tree" &&
|
|
test "$c_tree" != "$i_tree"
|
|
then
|
|
git diff-tree --binary $s^2^..$s^2 | git apply --cached
|
|
test $? -ne 0 &&
|
|
die "$(gettext "Conflicts in index. Try without --index.")"
|
|
unstashed_index_tree=$(git write-tree) ||
|
|
die "$(gettext "Could not save index tree")"
|
|
git reset
|
|
fi
|
|
|
|
if test -n "$u_tree"
|
|
then
|
|
GIT_INDEX_FILE="$TMPindex" git-read-tree "$u_tree" &&
|
|
GIT_INDEX_FILE="$TMPindex" git checkout-index --all &&
|
|
rm -f "$TMPindex" ||
|
|
die "$(gettext "Could not restore untracked files from stash")"
|
|
fi
|
|
|
|
eval "
|
|
GITHEAD_$w_tree='Stashed changes' &&
|
|
GITHEAD_$c_tree='Updated upstream' &&
|
|
GITHEAD_$b_tree='Version stash was based on' &&
|
|
export GITHEAD_$w_tree GITHEAD_$c_tree GITHEAD_$b_tree
|
|
"
|
|
|
|
if test -n "$GIT_QUIET"
|
|
then
|
|
GIT_MERGE_VERBOSITY=0 && export GIT_MERGE_VERBOSITY
|
|
fi
|
|
if git merge-recursive $b_tree -- $c_tree $w_tree
|
|
then
|
|
# No conflict
|
|
if test -n "$unstashed_index_tree"
|
|
then
|
|
git read-tree "$unstashed_index_tree"
|
|
else
|
|
a="$TMP-added" &&
|
|
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 "$(gettext "Cannot unstage modified files")"
|
|
rm -f "$a"
|
|
fi
|
|
squelch=
|
|
if test -n "$GIT_QUIET"
|
|
then
|
|
squelch='>/dev/null 2>&1'
|
|
fi
|
|
(cd "$START_DIR" && eval "git status $squelch") || :
|
|
else
|
|
# Merge conflict; keep the exit status from merge-recursive
|
|
status=$?
|
|
git rerere
|
|
if test -n "$INDEX_OPTION"
|
|
then
|
|
gettextln "Index was not unstashed." >&2
|
|
fi
|
|
exit $status
|
|
fi
|
|
}
|
|
|
|
pop_stash() {
|
|
assert_stash_ref "$@"
|
|
|
|
if apply_stash "$@"
|
|
then
|
|
drop_stash "$@"
|
|
else
|
|
status=$?
|
|
say "$(gettext "The stash is kept in case you need it again.")"
|
|
exit $status
|
|
fi
|
|
}
|
|
|
|
drop_stash () {
|
|
assert_stash_ref "$@"
|
|
|
|
git reflog delete --updateref --rewrite "${REV}" &&
|
|
say "$(eval_gettext "Dropped \${REV} (\$s)")" ||
|
|
die "$(eval_gettext "\${REV}: Could not drop stash entry")"
|
|
|
|
# clear_stash if we just dropped the last stash entry
|
|
git rev-parse --verify --quiet "$ref_stash@{0}" >/dev/null ||
|
|
clear_stash
|
|
}
|
|
|
|
apply_to_branch () {
|
|
test -n "$1" || die "$(gettext "No branch name specified")"
|
|
branch=$1
|
|
shift 1
|
|
|
|
set -- --index "$@"
|
|
assert_stash_like "$@"
|
|
|
|
git checkout -b $branch $REV^ &&
|
|
apply_stash "$@" && {
|
|
test -z "$IS_STASH_REF" || drop_stash "$@"
|
|
}
|
|
}
|
|
|
|
PARSE_CACHE='--not-parsed'
|
|
# 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 "$@"
|
|
;;
|
|
clear)
|
|
shift
|
|
clear_stash "$@"
|
|
;;
|
|
create)
|
|
shift
|
|
create_stash "$*" && echo "$w_commit"
|
|
;;
|
|
store)
|
|
shift
|
|
store_stash "$@"
|
|
;;
|
|
drop)
|
|
shift
|
|
drop_stash "$@"
|
|
;;
|
|
pop)
|
|
shift
|
|
pop_stash "$@"
|
|
;;
|
|
branch)
|
|
shift
|
|
apply_to_branch "$@"
|
|
;;
|
|
*)
|
|
case $# in
|
|
0)
|
|
save_stash &&
|
|
say "$(gettext "(To restore them type \"git stash apply\")")"
|
|
;;
|
|
*)
|
|
usage
|
|
esac
|
|
;;
|
|
esac
|