Commit cff5dc09 authored by Duy Nguyen's avatar Duy Nguyen Committed by Junio C Hamano

apply: add --intent-to-add

Similar to 'git reset -N', this option makes 'git apply' automatically
mark new files as intent-to-add so they are visible in the following
'git diff' command and could also be committed with 'git commit -a'.
Signed-off-by: Duy Nguyen's avatarNguyễn Thái Ngọc Duy <[email protected]>
Signed-off-by: default avatarJunio C Hamano <[email protected]>
parent 8fc8f05c
......@@ -9,7 +9,7 @@ git-apply - Apply a patch to files and/or to the index
SYNOPSIS
--------
[verse]
'git apply' [--stat] [--numstat] [--summary] [--check] [--index] [--3way]
'git apply' [--stat] [--numstat] [--summary] [--check] [--index | --intent-to-add] [--3way]
[--apply] [--no-add] [--build-fake-ancestor=<file>] [-R | --reverse]
[--allow-binary-replacement | --binary] [--reject] [-z]
[-p<n>] [-C<n>] [--inaccurate-eof] [--recount] [--cached]
......@@ -74,6 +74,14 @@ OPTIONS
cached data, apply the patch, and store the result in the index
without using the working tree. This implies `--index`.
--intent-to-add::
When applying the patch only to the working tree, mark new
files to be added to the index later (see `--intent-to-add`
option in linkgit:git-add[1]). This option is ignored unless
running in a Git repository and `--index` is not specified.
Note that `--index` could be implied by other options such
as `--cached` or `--3way`.
-3::
--3way::
When the patch does not apply cleanly, fall back on 3-way merge if
......
......@@ -141,6 +141,8 @@ int check_apply_state(struct apply_state *state, int force_apply)
return error(_("--cached outside a repository"));
state->check_index = 1;
}
if (state->ita_only && (state->check_index || is_not_gitdir))
state->ita_only = 0;
if (state->check_index)
state->unsafe_paths = 0;
......@@ -4242,7 +4244,7 @@ static void patch_stats(struct apply_state *state, struct patch *patch)
static int remove_file(struct apply_state *state, struct patch *patch, int rmdir_empty)
{
if (state->update_index) {
if (state->update_index && !state->ita_only) {
if (remove_file_from_cache(patch->old_name) < 0)
return error(_("unable to remove %s from index"), patch->old_name);
}
......@@ -4265,15 +4267,15 @@ static int add_index_file(struct apply_state *state,
int namelen = strlen(path);
unsigned ce_size = cache_entry_size(namelen);
if (!state->update_index)
return 0;
ce = xcalloc(1, ce_size);
memcpy(ce->name, path, namelen);
ce->ce_mode = create_ce_mode(mode);
ce->ce_flags = create_ce_flags(0);
ce->ce_namelen = namelen;
if (S_ISGITLINK(mode)) {
if (state->ita_only) {
ce->ce_flags |= CE_INTENT_TO_ADD;
set_object_name_for_intent_to_add_entry(ce);
} else if (S_ISGITLINK(mode)) {
const char *s;
if (!skip_prefix(buf, "Subproject commit ", &s) ||
......@@ -4465,8 +4467,9 @@ static int create_file(struct apply_state *state, struct patch *patch)
if (patch->conflicted_threeway)
return add_conflicted_stages_file(state, patch);
else
else if (state->update_index)
return add_index_file(state, path, mode, buf, size);
return 0;
}
/* phase zero is to remove, phase one is to create */
......@@ -4686,7 +4689,7 @@ static int apply_patch(struct apply_state *state,
if (state->whitespace_error && (state->ws_error_action == die_on_ws_error))
state->apply = 0;
state->update_index = state->check_index && state->apply;
state->update_index = (state->check_index || state->ita_only) && state->apply;
if (state->update_index && !is_lock_file_locked(&state->lock_file)) {
if (state->index_file)
hold_lock_file_for_update(&state->lock_file,
......@@ -4941,6 +4944,8 @@ int apply_parse_options(int argc, const char **argv,
N_("instead of applying the patch, see if the patch is applicable")),
OPT_BOOL(0, "index", &state->check_index,
N_("make sure the patch is applicable to the current index")),
OPT_BOOL('N', "intent-to-add", &state->ita_only,
N_("mark new files with `git add --intent-to-add`")),
OPT_BOOL(0, "cached", &state->cached,
N_("apply a patch without touching the working tree")),
OPT_BOOL_F(0, "unsafe-paths", &state->unsafe_paths,
......
......@@ -45,6 +45,7 @@ struct apply_state {
int check; /* preimage must match working tree, don't actually apply */
int check_index; /* preimage must match the indexed version */
int update_index; /* check_index && apply */
int ita_only; /* add intent-to-add entries to the index */
/* These control cosmetic aspect of the output */
int diffstat; /* just show a diffstat, and don't actually apply */
......
......@@ -245,6 +245,7 @@ test_expect_success 'diff-files/diff-cached shows ita as new/not-new files' '
test_cmp expected2 actual2
'
test_expect_success '"diff HEAD" includes ita as new files' '
git reset --hard &&
echo new >new-ita &&
......@@ -262,4 +263,16 @@ test_expect_success '"diff HEAD" includes ita as new files' '
test_cmp expected actual
'
test_expect_success 'apply --intent-to-add' '
git reset --hard &&
echo new >new-ita &&
git add -N new-ita &&
git diff >expected &&
grep "new file" expected &&
git reset --hard &&
git apply --intent-to-add expected &&
git diff >actual &&
test_cmp expected actual
'
test_done
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