diff options
| -rw-r--r-- | Documentation/git-stash.txt | 14 | ||||
| -rwxr-xr-x | git-add--interactive.perl | 14 | ||||
| -rwxr-xr-x | git-stash.sh | 80 | ||||
| -rwxr-xr-x | t/t3904-stash-patch.sh | 55 |
4 files changed, 145 insertions, 18 deletions
diff --git a/Documentation/git-stash.txt b/Documentation/git-stash.txt index 1c64a02..4b15459 100644 --- a/Documentation/git-stash.txt +++ b/Documentation/git-stash.txt @@ -13,7 +13,7 @@ SYNOPSIS 'git stash' drop [-q|--quiet] [<stash>] 'git stash' ( pop | apply ) [--index] [-q|--quiet] [<stash>] 'git stash' branch <branchname> [<stash>] -'git stash' [save [--keep-index] [-q|--quiet] [<message>]] +'git stash' [save [--patch] [--[no-]keep-index] [-q|--quiet] [<message>]] 'git stash' clear 'git stash' create @@ -42,7 +42,7 @@ is also possible). OPTIONS ------- -save [--keep-index] [-q|--quiet] [<message>]:: +save [--patch] [--[no-]keep-index] [-q|--quiet] [<message>]:: Save your local modifications to a new 'stash', and run `git reset --hard` to revert them. This is the default action when no @@ -51,6 +51,16 @@ save [--keep-index] [-q|--quiet] [<message>]:: + If the `--keep-index` option is used, all changes already added to the index are left intact. ++ +With `--patch`, you can interactively select hunks from in the diff +between HEAD and the working tree to be stashed. The stash entry is +constructed such that its index state is the same as the index state +of your repository, and its worktree contains only the changes you +selected interactively. The selected changes are then rolled back +from your worktree. ++ +The `--patch` option implies `--keep-index`. You can use +`--no-keep-index` to override this. list [<options>]:: diff --git a/git-add--interactive.perl b/git-add--interactive.perl index 21746d5..8f66b82 100755 --- a/git-add--interactive.perl +++ b/git-add--interactive.perl @@ -76,6 +76,7 @@ my $patch_mode_revision; sub apply_patch; sub apply_patch_for_checkout_commit; +sub apply_patch_for_stash; my %patch_modes = ( 'stage' => { @@ -87,6 +88,15 @@ my %patch_modes = ( PARTICIPLE => 'staging', FILTER => 'file-only', }, + 'stash' => { + DIFF => 'diff-index -p HEAD', + APPLY => sub { apply_patch 'apply --cached', @_; }, + APPLY_CHECK => 'apply --cached', + VERB => 'Stash', + TARGET => '', + PARTICIPLE => 'stashing', + FILTER => undef, + }, 'reset_head' => { DIFF => 'diff-index -p --cached', APPLY => sub { apply_patch 'apply -R --cached', @_; }, @@ -1493,8 +1503,8 @@ sub process_args { 'checkout_head' : 'checkout_nothead'); $arg = shift @ARGV or die "missing --"; } - } elsif ($1 eq 'stage') { - $patch_mode = 'stage'; + } elsif ($1 eq 'stage' or $1 eq 'stash') { + $patch_mode = $1; $arg = shift @ARGV or die "missing --"; } else { die "unknown --patch mode: $1"; diff --git a/git-stash.sh b/git-stash.sh index 03e589f..567aa5d 100755 --- a/git-stash.sh +++ b/git-stash.sh @@ -21,6 +21,14 @@ trap 'rm -f "$TMP-*"' 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 @@ -68,19 +76,44 @@ create_stash () { 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 @@ -95,12 +128,20 @@ create_stash () { save_stash () { keep_index= + patch_mode= while test $# != 0 do case "$1" in --keep-index) keep_index=t ;; + --no-keep-index) + keep_index= + ;; + -p|--patch) + patch_mode=t + keep_index=t + ;; -q|--quiet) GIT_QUIET=t ;; @@ -131,11 +172,22 @@ save_stash () { die "Cannot save the current status" say Saved working directory and index state "$stash_msg" - git reset --hard ${GIT_QUIET:+-q} - - if test -n "$keep_index" && test -n $i_tree + if test -z "$patch_mode" then - git read-tree --reset -u $i_tree + 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 } diff --git a/t/t3904-stash-patch.sh b/t/t3904-stash-patch.sh new file mode 100755 index 0000000..f37e3bc --- /dev/null +++ b/t/t3904-stash-patch.sh @@ -0,0 +1,55 @@ +#!/bin/sh + +test_description='git checkout --patch' +. ./lib-patch-mode.sh + +test_expect_success 'setup' ' + mkdir dir && + echo parent > dir/foo && + echo dummy > bar && + git add bar dir/foo && + git commit -m initial && + test_tick && + test_commit second dir/foo head && + echo index > dir/foo && + git add dir/foo && + set_and_save_state bar bar_work bar_index && + save_head +' + +# note: bar sorts before dir, so the first 'n' is always to skip 'bar' + +test_expect_success 'saying "n" does nothing' ' + set_state dir/foo work index + (echo n; echo n) | test_must_fail git stash save -p && + verify_state dir/foo work index && + verify_saved_state bar +' + +test_expect_success 'git stash -p' ' + (echo n; echo y) | git stash save -p && + verify_state dir/foo head index && + verify_saved_state bar && + git reset --hard && + git stash apply && + verify_state dir/foo work head && + verify_state bar dummy dummy +' + +test_expect_success 'git stash -p --no-keep-index' ' + set_state dir/foo work index && + set_state bar bar_work bar_index && + (echo n; echo y) | git stash save -p --no-keep-index && + verify_state dir/foo head head && + verify_state bar bar_work dummy && + git reset --hard && + git stash apply --index && + verify_state dir/foo work index && + verify_state bar dummy bar_index +' + +test_expect_success 'none of this moved HEAD' ' + verify_saved_head +' + +test_done |