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Diffstat (limited to 'add-patch.c')
-rw-r--r--add-patch.c41
1 files changed, 30 insertions, 11 deletions
diff --git a/add-patch.c b/add-patch.c
index 6e176cd21a..1cec4ab67b 100644
--- a/add-patch.c
+++ b/add-patch.c
@@ -7,9 +7,11 @@
#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"
@@ -402,6 +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;
@@ -487,6 +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;
@@ -534,7 +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;
@@ -588,10 +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;
@@ -815,7 +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),
@@ -955,7 +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");
@@ -1173,14 +1182,14 @@ 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;
@@ -1391,7 +1400,7 @@ 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\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,
@@ -1402,7 +1411,7 @@ static int patch_update_file(struct add_p_state *s,
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,
@@ -1452,9 +1461,18 @@ static int patch_update_file(struct add_p_state *s,
strbuf_reset(&s->buf);
if (file_diff->hunk_nr) {
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);
@@ -1675,8 +1693,9 @@ soft_increment:
hunk->use = USE_HUNK;
goto soft_increment;
}
- } else if (s->answer.buf[0] == 'p') {
+ } 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;