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-rw-r--r--add-patch.c115
1 files changed, 74 insertions, 41 deletions
diff --git a/add-patch.c b/add-patch.c
index bfe19876cd..557903310d 100644
--- a/add-patch.c
+++ b/add-patch.c
@@ -1,3 +1,5 @@
+#define USE_THE_REPOSITORY_VARIABLE
+
#include "git-compat-util.h"
#include "add-interactive.h"
#include "advice.h"
@@ -5,14 +7,15 @@
#include "environment.h"
#include "gettext.h"
#include "object-name.h"
+#include "pager.h"
#include "read-cache-ll.h"
#include "repository.h"
#include "strbuf.h"
+#include "sigchain.h"
#include "run-command.h"
#include "strvec.h"
#include "pathspec.h"
#include "color.h"
-#include "diff.h"
#include "compat/terminal.h"
#include "prompt.h"
@@ -294,13 +297,13 @@ static void err(struct add_p_state *s, const char *fmt, ...)
va_list args;
va_start(args, fmt);
- fputs(s->s.error_color, stderr);
- vfprintf(stderr, fmt, args);
- fputs(s->s.reset_color, stderr);
- fputc('\n', stderr);
+ fputs(s->s.error_color, stdout);
+ vprintf(fmt, args);
+ puts(s->s.reset_color);
va_end(args);
}
+LAST_ARG_MUST_BE_NULL
static void setup_child_process(struct add_p_state *s,
struct child_process *cp, ...)
{
@@ -401,6 +404,12 @@ static void complete_file(char marker, struct hunk *hunk)
hunk->splittable_into++;
}
+/* Empty context lines may omit the leading ' ' */
+static int normalize_marker(const char *p)
+{
+ return p[0] == '\n' || (p[0] == '\r' && p[1] == '\n') ? ' ' : p[0];
+}
+
static int parse_diff(struct add_p_state *s, const struct pathspec *ps)
{
struct strvec args = STRVEC_INIT;
@@ -422,7 +431,7 @@ static int parse_diff(struct add_p_state *s, const struct pathspec *ps)
/* could be on an unborn branch */
!strcmp("HEAD", s->revision) &&
repo_get_oid(the_repository, "HEAD", &oid) ?
- empty_tree_oid_hex() : s->revision);
+ empty_tree_oid_hex(the_repository->hash_algo) : s->revision);
}
color_arg_index = args.nr;
/* Use `--no-color` explicitly, just in case `diff.color = always`. */
@@ -486,6 +495,7 @@ static int parse_diff(struct add_p_state *s, const struct pathspec *ps)
while (p != pend) {
char *eol = memchr(p, '\n', pend - p);
const char *deleted = NULL, *mode_change = NULL;
+ char ch = normalize_marker(p);
if (!eol)
eol = pend;
@@ -533,7 +543,7 @@ static int parse_diff(struct add_p_state *s, const struct pathspec *ps)
* Start counting into how many hunks this one can be
* split
*/
- marker = *p;
+ marker = ch;
} else if (hunk == &file_diff->head &&
starts_with(p, "new file")) {
file_diff->added = 1;
@@ -587,10 +597,10 @@ static int parse_diff(struct add_p_state *s, const struct pathspec *ps)
(int)(eol - (plain->buf + file_diff->head.start)),
plain->buf + file_diff->head.start);
- if ((marker == '-' || marker == '+') && *p == ' ')
+ if ((marker == '-' || marker == '+') && ch == ' ')
hunk->splittable_into++;
- if (marker && *p != '\\')
- marker = *p;
+ if (marker && ch != '\\')
+ marker = ch;
p = eol == pend ? pend : eol + 1;
hunk->end = p - plain->buf;
@@ -814,7 +824,7 @@ static int merge_hunks(struct add_p_state *s, struct file_diff *file_diff,
(int)(hunk->end - hunk->start),
plain + hunk->start);
- if (plain[overlap_end] != ' ')
+ if (normalize_marker(&plain[overlap_end]) != ' ')
return error(_("expected context line "
"#%d in\n%.*s"),
(int)(j + 1),
@@ -954,7 +964,7 @@ static int split_hunk(struct add_p_state *s, struct file_diff *file_diff,
context_line_count = 0;
while (splittable_into > 1) {
- ch = s->plain.buf[current];
+ ch = normalize_marker(&s->plain.buf[current]);
if (!ch)
BUG("buffer overrun while splitting hunks");
@@ -1106,33 +1116,34 @@ static int edit_hunk_manually(struct add_p_state *s, struct hunk *hunk)
size_t i;
strbuf_reset(&s->buf);
- strbuf_commented_addf(&s->buf, comment_line_char,
+ strbuf_commented_addf(&s->buf, comment_line_str,
_("Manual hunk edit mode -- see bottom for "
"a quick guide.\n"));
render_hunk(s, hunk, 0, 0, &s->buf);
- strbuf_commented_addf(&s->buf, comment_line_char,
+ strbuf_commented_addf(&s->buf, comment_line_str,
_("---\n"
"To remove '%c' lines, make them ' ' lines "
"(context).\n"
"To remove '%c' lines, delete them.\n"
- "Lines starting with %c will be removed.\n"),
+ "Lines starting with %s will be removed.\n"),
s->mode->is_reverse ? '+' : '-',
s->mode->is_reverse ? '-' : '+',
- comment_line_char);
- strbuf_commented_addf(&s->buf, comment_line_char, "%s",
+ comment_line_str);
+ strbuf_commented_addf(&s->buf, comment_line_str, "%s",
_(s->mode->edit_hunk_hint));
/*
* TRANSLATORS: 'it' refers to the patch mentioned in the previous
* messages.
*/
- strbuf_commented_addf(&s->buf, comment_line_char,
+ strbuf_commented_addf(&s->buf, comment_line_str,
_("If it does not apply cleanly, you will be "
"given an opportunity to\n"
"edit again. If all lines of the hunk are "
"removed, then the edit is\n"
"aborted and the hunk is left unchanged.\n"));
- if (strbuf_edit_interactively(&s->buf, "addp-hunk-edit.diff", NULL) < 0)
+ if (strbuf_edit_interactively(the_repository, &s->buf,
+ "addp-hunk-edit.diff", NULL) < 0)
return -1;
/* strip out commented lines */
@@ -1140,7 +1151,7 @@ static int edit_hunk_manually(struct add_p_state *s, struct hunk *hunk)
for (i = 0; i < s->buf.len; ) {
size_t next = find_next_line(&s->buf, i);
- if (s->buf.buf[i] != comment_line_char)
+ if (!starts_with(s->buf.buf + i, comment_line_str))
strbuf_add(&s->plain, s->buf.buf + i, next - i);
i = next;
}
@@ -1172,14 +1183,14 @@ static ssize_t recount_edited_hunk(struct add_p_state *s, struct hunk *hunk,
header->old_count = header->new_count = 0;
for (i = hunk->start; i < hunk->end; ) {
- switch (s->plain.buf[i]) {
+ switch(normalize_marker(&s->plain.buf[i])) {
case '-':
header->old_count++;
break;
case '+':
header->new_count++;
break;
- case ' ': case '\r': case '\n':
+ case ' ':
header->old_count++;
header->new_count++;
break;
@@ -1229,6 +1240,7 @@ static int prompt_yesno(struct add_p_state *s, const char *prompt)
fflush(stdout);
if (read_single_character(s) == EOF)
return -1;
+ /* do not limit to 1-byte input to allow 'no' etc. */
switch (tolower(s->answer.buf[0])) {
case 'n': return 0;
case 'y': return 1;
@@ -1327,7 +1339,7 @@ static int apply_for_checkout(struct add_p_state *s, struct strbuf *diff,
err(s, _("Nothing was applied.\n"));
} else
/* As a last resort, show the diff to the user */
- fwrite(diff->buf, diff->len, 1, stderr);
+ fwrite(diff->buf, diff->len, 1, stdout);
return 0;
}
@@ -1389,17 +1401,18 @@ N_("j - leave this hunk undecided, see next undecided hunk\n"
"/ - search for a hunk matching the given regex\n"
"s - split the current hunk into smaller hunks\n"
"e - manually edit the current hunk\n"
+ "p - print the current hunk, 'P' to use the pager\n"
"? - print help\n");
static int patch_update_file(struct add_p_state *s,
struct file_diff *file_diff)
{
size_t hunk_index = 0;
- ssize_t i, undecided_previous, undecided_next;
+ ssize_t i, undecided_previous, undecided_next, rendered_hunk_index = -1;
struct hunk *hunk;
char ch;
struct child_process cp = CHILD_PROCESS_INIT;
- int colored = !!s->colored.len, quit = 0;
+ int colored = !!s->colored.len, quit = 0, use_pager = 0;
enum prompt_mode_type prompt_mode_type;
enum {
ALLOW_GOTO_PREVIOUS_HUNK = 1 << 0,
@@ -1448,8 +1461,20 @@ static int patch_update_file(struct add_p_state *s,
strbuf_reset(&s->buf);
if (file_diff->hunk_nr) {
- render_hunk(s, hunk, 0, colored, &s->buf);
- fputs(s->buf.buf, stdout);
+ if (rendered_hunk_index != hunk_index) {
+ if (use_pager) {
+ setup_pager();
+ sigchain_push(SIGPIPE, SIG_IGN);
+ }
+ render_hunk(s, hunk, 0, colored, &s->buf);
+ fputs(s->buf.buf, stdout);
+ rendered_hunk_index = hunk_index;
+ if (use_pager) {
+ sigchain_pop(SIGPIPE);
+ wait_for_pager();
+ use_pager = 0;
+ }
+ }
strbuf_reset(&s->buf);
if (undecided_previous >= 0) {
@@ -1481,6 +1506,7 @@ static int patch_update_file(struct add_p_state *s,
permitted |= ALLOW_EDIT;
strbuf_addstr(&s->buf, ",e");
}
+ strbuf_addstr(&s->buf, ",p");
}
if (file_diff->deleted)
prompt_mode_type = PROMPT_DELETION;
@@ -1507,6 +1533,12 @@ static int patch_update_file(struct add_p_state *s,
if (!s->answer.len)
continue;
ch = tolower(s->answer.buf[0]);
+
+ /* 'g' takes a hunk number and '/' takes a regexp */
+ if (s->answer.len != 1 && (ch != 'g' && ch != '/')) {
+ err(s, _("Only one letter is expected, got '%s'"), s->answer.buf);
+ continue;
+ }
if (ch == 'y') {
hunk->use = USE_HUNK;
soft_increment:
@@ -1642,16 +1674,19 @@ soft_increment:
err(s, _("No hunk matches the given pattern"));
break;
}
+ regfree(&regex);
hunk_index = i;
} else if (s->answer.buf[0] == 's') {
size_t splittable_into = hunk->splittable_into;
- if (!(permitted & ALLOW_SPLIT))
+ if (!(permitted & ALLOW_SPLIT)) {
err(s, _("Sorry, cannot split this hunk"));
- else if (!split_hunk(s, file_diff,
- hunk - file_diff->hunk))
+ } else if (!split_hunk(s, file_diff,
+ hunk - file_diff->hunk)) {
color_fprintf_ln(stdout, s->s.header_color,
_("Split into %d hunks."),
(int)splittable_into);
+ rendered_hunk_index = -1;
+ }
} else if (s->answer.buf[0] == 'e') {
if (!(permitted & ALLOW_EDIT))
err(s, _("Sorry, cannot edit this hunk"));
@@ -1659,7 +1694,10 @@ soft_increment:
hunk->use = USE_HUNK;
goto soft_increment;
}
- } else {
+ } else if (ch == 'p') {
+ rendered_hunk_index = -1;
+ use_pager = (s->answer.buf[0] == 'P') ? 1 : 0;
+ } else if (s->answer.buf[0] == '?') {
const char *p = _(help_patch_remainder), *eol = p;
color_fprintf(stdout, s->s.help_color, "%s",
@@ -1683,6 +1721,9 @@ soft_increment:
color_fprintf_ln(stdout, s->s.help_color,
"%.*s", (int)(eol - p), p);
}
+ } else {
+ err(s, _("Unknown command '%s' (use '?' for help)"),
+ s->answer.buf);
}
}
@@ -1730,14 +1771,6 @@ int run_add_p(struct repository *r, enum add_p_mode mode,
if (mode == ADD_P_STASH)
s.mode = &patch_mode_stash;
else if (mode == ADD_P_RESET) {
- /*
- * NEEDSWORK: Instead of comparing to the literal "HEAD",
- * compare the commit objects instead so that other ways of
- * saying the same thing (such as "@") are also handled
- * appropriately.
- *
- * This applies to the cases below too.
- */
if (!revision || !strcmp(revision, "HEAD"))
s.mode = &patch_mode_reset_head;
else
@@ -1777,9 +1810,9 @@ int run_add_p(struct repository *r, enum add_p_mode mode,
break;
if (s.file_diff_nr == 0)
- fprintf(stderr, _("No changes.\n"));
+ err(&s, _("No changes."));
else if (binary_count == s.file_diff_nr)
- fprintf(stderr, _("Only binary files changed.\n"));
+ err(&s, _("Only binary files changed."));
add_p_state_clear(&s);
return 0;