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stash: teach 'push' (and 'create_stash') to honor pathspec
While working on a repository, it's often helpful to stash the changes of a single or multiple files, and leave others alone. Unfortunately git currently offers no such option. git stash -p can be used to work around this, but it's often impractical when there are a lot of changes over multiple files. Allow 'git stash push' to take pathspec to specify which paths to stash. Helped-by: Junio C Hamano <gitster@pobox.com> Signed-off-by: Thomas Gummerer <t.gummerer@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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@ -17,6 +17,7 @@ SYNOPSIS
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[-u|--include-untracked] [-a|--all] [<message>]]
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'git stash' push [-p|--patch] [-k|--[no-]keep-index] [-q|--quiet]
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[-u|--include-untracked] [-a|--all] [-m|--message <message>]]
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[--] [<pathspec>...]
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'git stash' clear
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'git stash' create [<message>]
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'git stash' store [-m|--message <message>] [-q|--quiet] <commit>
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@ -48,7 +49,7 @@ OPTIONS
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-------
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save [-p|--patch] [-k|--[no-]keep-index] [-u|--include-untracked] [-a|--all] [-q|--quiet] [<message>]::
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push [-p|--patch] [-k|--[no-]keep-index] [-u|--include-untracked] [-a|--all] [-q|--quiet] [-m|--message <message>]::
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push [-p|--patch] [-k|--[no-]keep-index] [-u|--include-untracked] [-a|--all] [-q|--quiet] [-m|--message <message>] [--] [<pathspec>...]::
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Save your local modifications to a new 'stash' and roll them
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back to HEAD (in the working tree and in the index).
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@ -58,6 +59,12 @@ push [-p|--patch] [-k|--[no-]keep-index] [-u|--include-untracked] [-a|--all] [-q
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only <message> does not trigger this action to prevent a misspelled
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subcommand from making an unwanted stash.
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+
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When pathspec is given to 'git stash push', the new stash records the
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modified states only for the files that match the pathspec. The index
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entries and working tree files are then rolled back to the state in
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HEAD only for these files, too, leaving files that do not match the
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pathspec intact.
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+
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If the `--keep-index` option is used, all changes already added to the
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index are left intact.
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+
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38
git-stash.sh
38
git-stash.sh
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@ -11,6 +11,7 @@ USAGE="list [<options>]
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[-u|--include-untracked] [-a|--all] [<message>]]
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or: $dashless push [--patch] [-k|--[no-]keep-index] [-q|--quiet]
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[-u|--include-untracked] [-a|--all] [-m <message>]
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[-- <pathspec>...]
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or: $dashless clear"
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SUBDIRECTORY_OK=Yes
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@ -35,15 +36,15 @@ else
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fi
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no_changes () {
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git diff-index --quiet --cached HEAD --ignore-submodules -- &&
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git diff-files --quiet --ignore-submodules &&
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git diff-index --quiet --cached HEAD --ignore-submodules -- "$@" &&
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git diff-files --quiet --ignore-submodules -- "$@" &&
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(test -z "$untracked" || test -z "$(untracked_files)")
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}
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untracked_files () {
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excl_opt=--exclude-standard
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test "$untracked" = "all" && excl_opt=
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git ls-files -o -z $excl_opt
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git ls-files -o -z $excl_opt -- "$@"
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}
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clear_stash () {
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@ -71,12 +72,16 @@ create_stash () {
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shift
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untracked=${1?"BUG: create_stash () -u requires an argument"}
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;;
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--)
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shift
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break
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;;
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esac
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shift
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done
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git update-index -q --refresh
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if no_changes
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if no_changes "$@"
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then
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exit 0
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fi
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@ -108,7 +113,7 @@ create_stash () {
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# Untracked files are stored by themselves in a parentless commit, for
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# ease of unpacking later.
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u_commit=$(
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untracked_files | (
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untracked_files "$@" | (
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GIT_INDEX_FILE="$TMPindex" &&
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export GIT_INDEX_FILE &&
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rm -f "$TMPindex" &&
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@ -131,7 +136,7 @@ create_stash () {
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git read-tree --index-output="$TMPindex" -m $i_tree &&
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GIT_INDEX_FILE="$TMPindex" &&
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export GIT_INDEX_FILE &&
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git diff-index --name-only -z HEAD -- >"$TMP-stagenames" &&
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git diff-index --name-only -z HEAD -- "$@" >"$TMP-stagenames" &&
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git update-index -z --add --remove --stdin <"$TMP-stagenames" &&
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git write-tree &&
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rm -f "$TMPindex"
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@ -145,7 +150,7 @@ create_stash () {
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# find out what the user wants
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GIT_INDEX_FILE="$TMP-index" \
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git add--interactive --patch=stash -- &&
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git add--interactive --patch=stash -- "$@" &&
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# state of the working tree
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w_tree=$(GIT_INDEX_FILE="$TMP-index" git write-tree) ||
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@ -273,27 +278,38 @@ push_stash () {
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die "$(gettext "Can't use --patch and --include-untracked or --all at the same time")"
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fi
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test -n "$untracked" || git ls-files --error-unmatch -- "$@" >/dev/null || exit 1
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git update-index -q --refresh
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if no_changes
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if no_changes "$@"
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then
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say "$(gettext "No local changes to save")"
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exit 0
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fi
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git reflog exists $ref_stash ||
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clear_stash || die "$(gettext "Cannot initialize stash")"
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create_stash -m "$stash_msg" -u "$untracked"
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create_stash -m "$stash_msg" -u "$untracked" -- "$@"
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store_stash -m "$stash_msg" -q $w_commit ||
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die "$(gettext "Cannot save the current status")"
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say "$(eval_gettext "Saved working directory and index state \$stash_msg")"
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if test -z "$patch_mode"
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then
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git reset --hard ${GIT_QUIET:+-q}
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if test $# != 0
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then
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git reset ${GIT_QUIET:+-q} -- "$@"
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git ls-files -z --modified -- "$@" |
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git checkout-index -z --force --stdin
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git clean --force ${GIT_QUIET:+-q} -d -- "$@"
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else
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git reset --hard ${GIT_QUIET:+-q}
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fi
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test "$untracked" = "all" && CLEAN_X_OPTION=-x || CLEAN_X_OPTION=
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if test -n "$untracked"
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then
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git clean --force --quiet -d $CLEAN_X_OPTION
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git clean --force --quiet -d $CLEAN_X_OPTION -- "$@"
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fi
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if test "$keep_index" = "t" && test -n "$i_tree"
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@ -802,4 +802,96 @@ test_expect_success 'create with multiple arguments for the message' '
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test_cmp expect actual
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'
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test_expect_success 'stash -- <pathspec> stashes and restores the file' '
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>foo &&
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>bar &&
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git add foo bar &&
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git stash push -- foo &&
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test_path_is_file bar &&
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test_path_is_missing foo &&
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git stash pop &&
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test_path_is_file foo &&
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test_path_is_file bar
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'
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test_expect_success 'stash with multiple pathspec arguments' '
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>foo &&
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>bar &&
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>extra &&
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git add foo bar extra &&
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git stash push -- foo bar &&
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test_path_is_missing bar &&
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test_path_is_missing foo &&
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test_path_is_file extra &&
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git stash pop &&
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test_path_is_file foo &&
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test_path_is_file bar &&
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test_path_is_file extra
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'
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test_expect_success 'stash with file including $IFS character' '
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>"foo bar" &&
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>foo &&
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>bar &&
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git add foo* &&
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git stash push -- "foo b*" &&
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test_path_is_missing "foo bar" &&
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test_path_is_file foo &&
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test_path_is_file bar &&
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git stash pop &&
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test_path_is_file "foo bar" &&
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test_path_is_file foo &&
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test_path_is_file bar
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'
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test_expect_success 'stash with pathspec matching multiple paths' '
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echo original >file &&
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echo original >other-file &&
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git commit -m "two" file other-file &&
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echo modified >file &&
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echo modified >other-file &&
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git stash push -- "*file" &&
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echo original >expect &&
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test_cmp expect file &&
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test_cmp expect other-file &&
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git stash pop &&
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echo modified >expect &&
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test_cmp expect file &&
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test_cmp expect other-file
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'
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test_expect_success 'stash push -p with pathspec shows no changes only once' '
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>foo &&
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git add foo &&
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git commit -m "tmp" &&
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git stash push -p foo >actual &&
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echo "No local changes to save" >expect &&
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git reset --hard HEAD~ &&
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test_cmp expect actual
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'
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test_expect_success 'stash push with pathspec shows no changes when there are none' '
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>foo &&
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git add foo &&
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git commit -m "tmp" &&
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git stash push foo >actual &&
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echo "No local changes to save" >expect &&
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git reset --hard HEAD~ &&
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test_cmp expect actual
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'
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test_expect_success 'stash push with pathspec not in the repository errors out' '
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>untracked &&
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test_must_fail git stash push untracked &&
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test_path_is_file untracked
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'
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test_expect_success 'untracked files are left in place when -u is not given' '
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>file &&
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git add file &&
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>untracked &&
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git stash push file &&
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test_path_is_file untracked
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'
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test_done
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@ -185,4 +185,30 @@ test_expect_success 'stash save --all is stash poppable' '
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test -s .gitignore
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'
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test_expect_success 'stash push --include-untracked with pathspec' '
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>foo &&
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>bar &&
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git stash push --include-untracked -- foo &&
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test_path_is_file bar &&
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test_path_is_missing foo &&
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git stash pop &&
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test_path_is_file bar &&
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test_path_is_file foo
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'
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test_expect_success 'stash push with $IFS character' '
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>"foo bar" &&
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>foo &&
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>bar &&
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git add foo* &&
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git stash push --include-untracked -- "foo b*" &&
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test_path_is_missing "foo bar" &&
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test_path_is_file foo &&
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test_path_is_file bar &&
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git stash pop &&
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test_path_is_file "foo bar" &&
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test_path_is_file foo &&
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test_path_is_file bar
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'
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test_done
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