built-in add -p: implement the "stash" and "reset" patch modes

The `git stash` and `git reset` commands support a `--patch` option, and
both simply hand off to `git add -p` to perform that work. Let's teach
the built-in version of that command to be able to perform that work, too.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Johannes Schindelin 2019-12-21 21:57:11 +00:00 коммит произвёл Junio C Hamano
Родитель d2a233cb8b
Коммит 36bae1dc0e
3 изменённых файлов: 85 добавлений и 4 удалений

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@ -25,6 +25,8 @@ int run_add_i(struct repository *r, const struct pathspec *ps);
enum add_p_mode {
ADD_P_ADD,
ADD_P_STASH,
ADD_P_RESET,
};
int run_add_p(struct repository *r, enum add_p_mode mode,

Просмотреть файл

@ -19,7 +19,7 @@ struct patch_mode {
* trailing `NULL`.
*/
const char *diff_cmd[4], *apply_args[4], *apply_check_args[4];
unsigned is_reverse:1, apply_for_checkout:1;
unsigned is_reverse:1, index_only:1, apply_for_checkout:1;
const char *prompt_mode[PROMPT_MODE_MAX];
const char *edit_hunk_hint, *help_patch_text;
};
@ -45,6 +45,72 @@ static struct patch_mode patch_mode_add = {
"the file\n")
};
static struct patch_mode patch_mode_stash = {
.diff_cmd = { "diff-index", "HEAD", NULL },
.apply_args = { "--cached", NULL },
.apply_check_args = { "--cached", NULL },
.prompt_mode = {
N_("Stash mode change [y,n,q,a,d%s,?]? "),
N_("Stash deletion [y,n,q,a,d%s,?]? "),
N_("Stash this hunk [y,n,q,a,d%s,?]? "),
},
.edit_hunk_hint = N_("If the patch applies cleanly, the edited hunk "
"will immediately be marked for stashing."),
.help_patch_text =
N_("y - stash this hunk\n"
"n - do not stash this hunk\n"
"q - quit; do not stash this hunk or any of the remaining "
"ones\n"
"a - stash this hunk and all later hunks in the file\n"
"d - do not stash this hunk or any of the later hunks in "
"the file\n"),
};
static struct patch_mode patch_mode_reset_head = {
.diff_cmd = { "diff-index", "--cached", NULL },
.apply_args = { "-R", "--cached", NULL },
.apply_check_args = { "-R", "--cached", NULL },
.is_reverse = 1,
.index_only = 1,
.prompt_mode = {
N_("Unstage mode change [y,n,q,a,d%s,?]? "),
N_("Unstage deletion [y,n,q,a,d%s,?]? "),
N_("Unstage this hunk [y,n,q,a,d%s,?]? "),
},
.edit_hunk_hint = N_("If the patch applies cleanly, the edited hunk "
"will immediately be marked for unstaging."),
.help_patch_text =
N_("y - unstage this hunk\n"
"n - do not unstage this hunk\n"
"q - quit; do not unstage this hunk or any of the remaining "
"ones\n"
"a - unstage this hunk and all later hunks in the file\n"
"d - do not unstage this hunk or any of the later hunks in "
"the file\n"),
};
static struct patch_mode patch_mode_reset_nothead = {
.diff_cmd = { "diff-index", "-R", "--cached", NULL },
.apply_args = { "--cached", NULL },
.apply_check_args = { "--cached", NULL },
.index_only = 1,
.prompt_mode = {
N_("Apply mode change to index [y,n,q,a,d%s,?]? "),
N_("Apply deletion to index [y,n,q,a,d%s,?]? "),
N_("Apply this hunk to index [y,n,q,a,d%s,?]? "),
},
.edit_hunk_hint = N_("If the patch applies cleanly, the edited hunk "
"will immediately be marked for applying."),
.help_patch_text =
N_("y - apply this hunk to index\n"
"n - do not apply this hunk to index\n"
"q - quit; do not apply this hunk or any of the remaining "
"ones\n"
"a - apply this hunk and all later hunks in the file\n"
"d - do not apply this hunk or any of the later hunks in "
"the file\n"),
};
struct hunk_header {
unsigned long old_offset, old_count, new_offset, new_count;
/*
@ -1350,12 +1416,21 @@ int run_add_p(struct repository *r, enum add_p_mode mode,
init_add_i_state(&s.s, r);
s.mode = &patch_mode_add;
if (mode == ADD_P_STASH)
s.mode = &patch_mode_stash;
else if (mode == ADD_P_RESET) {
if (!revision || !strcmp(revision, "HEAD"))
s.mode = &patch_mode_reset_head;
else
s.mode = &patch_mode_reset_nothead;
} else
s.mode = &patch_mode_add;
s.revision = revision;
if (discard_index(r->index) < 0 || repo_read_index(r) < 0 ||
repo_refresh_and_write_index(r, REFRESH_QUIET, 0, 1,
NULL, NULL, NULL) < 0 ||
(!s.mode->index_only &&
repo_refresh_and_write_index(r, REFRESH_QUIET, 0, 1,
NULL, NULL, NULL) < 0) ||
parse_diff(&s, ps) < 0) {
strbuf_release(&s.plain);
strbuf_release(&s.colored);

Просмотреть файл

@ -201,6 +201,10 @@ int run_add_interactive(const char *revision, const char *patch_mode,
if (!strcmp(patch_mode, "--patch"))
mode = ADD_P_ADD;
else if (!strcmp(patch_mode, "--patch=stash"))
mode = ADD_P_STASH;
else if (!strcmp(patch_mode, "--patch=reset"))
mode = ADD_P_RESET;
else
die("'%s' not yet supported in the built-in add -p",
patch_mode);