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-rw-r--r--pretty.c164
1 files changed, 110 insertions, 54 deletions
diff --git a/pretty.c b/pretty.c
index a29c290..421d9c5 100644
--- a/pretty.c
+++ b/pretty.c
@@ -5,6 +5,7 @@
#include "revision.h"
#include "string-list.h"
#include "mailmap.h"
+#include "log-tree.h"
static char *user_format;
@@ -180,6 +181,20 @@ static int is_empty_line(const char *line, int *len_p)
return !len;
}
+static const char *skip_empty_lines(const char *msg)
+{
+ for (;;) {
+ int linelen = get_one_line(msg);
+ int ll = linelen;
+ if (!linelen)
+ break;
+ if (!is_empty_line(msg, &ll))
+ break;
+ msg += linelen;
+ }
+ return msg;
+}
+
static void add_merge_info(enum cmit_fmt fmt, struct strbuf *sb,
const struct commit *commit, int abbrev)
{
@@ -233,7 +248,7 @@ static char *get_header(const struct commit *commit, const char *key)
static char *replace_encoding_header(char *buf, const char *encoding)
{
- struct strbuf tmp;
+ struct strbuf tmp = STRBUF_INIT;
size_t start, len;
char *cp = buf;
@@ -249,7 +264,6 @@ static char *replace_encoding_header(char *buf, const char *encoding)
return buf; /* should not happen but be defensive */
len = cp + 1 - (buf + start);
- strbuf_init(&tmp, 0);
strbuf_attach(&tmp, buf, strlen(buf), strlen(buf) + 1);
if (is_encoding_utf8(encoding)) {
/* we have re-coded to UTF-8; drop the header */
@@ -410,13 +424,15 @@ struct chunk {
struct format_commit_context {
const struct commit *commit;
enum date_mode dmode;
+ unsigned commit_header_parsed:1;
+ unsigned commit_message_parsed:1;
/* These offsets are relative to the start of the commit message. */
- int commit_header_parsed;
- struct chunk subject;
struct chunk author;
struct chunk committer;
struct chunk encoding;
+ size_t message_off;
+ size_t subject_off;
size_t body_off;
/* The following ones are relative to the result struct strbuf. */
@@ -446,23 +462,14 @@ static void parse_commit_header(struct format_commit_context *context)
{
const char *msg = context->commit->buffer;
int i;
- enum { HEADER, SUBJECT, BODY } state;
- for (i = 0, state = HEADER; msg[i] && state < BODY; i++) {
+ for (i = 0; msg[i]; i++) {
int eol;
for (eol = i; msg[eol] && msg[eol] != '\n'; eol++)
; /* do nothing */
- if (state == SUBJECT) {
- context->subject.off = i;
- context->subject.len = eol - i;
- i = eol;
- }
if (i == eol) {
- state++;
- /* strip empty lines */
- while (msg[eol] == '\n' && msg[eol + 1] == '\n')
- eol++;
+ break;
} else if (!prefixcmp(msg + i, "author ")) {
context->author.off = i + 7;
context->author.len = eol - i - 7;
@@ -474,13 +481,67 @@ static void parse_commit_header(struct format_commit_context *context)
context->encoding.len = eol - i - 9;
}
i = eol;
- if (!msg[i])
- break;
}
- context->body_off = i;
+ context->message_off = i;
context->commit_header_parsed = 1;
}
+const char *format_subject(struct strbuf *sb, const char *msg,
+ const char *line_separator)
+{
+ int first = 1;
+
+ for (;;) {
+ const char *line = msg;
+ int linelen = get_one_line(line);
+
+ msg += linelen;
+ if (!linelen || is_empty_line(line, &linelen))
+ break;
+
+ if (!sb)
+ continue;
+ strbuf_grow(sb, linelen + 2);
+ if (!first)
+ strbuf_addstr(sb, line_separator);
+ strbuf_add(sb, line, linelen);
+ first = 0;
+ }
+ return msg;
+}
+
+static void parse_commit_message(struct format_commit_context *c)
+{
+ const char *msg = c->commit->buffer + c->message_off;
+ const char *start = c->commit->buffer;
+
+ msg = skip_empty_lines(msg);
+ c->subject_off = msg - start;
+
+ msg = format_subject(NULL, msg, NULL);
+ msg = skip_empty_lines(msg);
+ c->body_off = msg - start;
+
+ c->commit_message_parsed = 1;
+}
+
+static void format_decoration(struct strbuf *sb, const struct commit *commit)
+{
+ struct name_decoration *d;
+ const char *prefix = " (";
+
+ load_ref_decorations();
+ d = lookup_decoration(&name_decoration, &commit->object);
+ while (d) {
+ strbuf_addstr(sb, prefix);
+ prefix = ", ";
+ strbuf_addstr(sb, d->name);
+ d = d->next;
+ }
+ if (prefix[0] == ',')
+ strbuf_addch(sb, ')');
+}
+
static size_t format_commit_item(struct strbuf *sb, const char *placeholder,
void *context)
{
@@ -573,6 +634,9 @@ static size_t format_commit_item(struct strbuf *sb, const char *placeholder,
? '<'
: '>');
return 1;
+ case 'd':
+ format_decoration(sb, commit);
+ return 1;
}
/* For the rest we have to parse the commit header. */
@@ -580,9 +644,6 @@ static size_t format_commit_item(struct strbuf *sb, const char *placeholder,
parse_commit_header(c);
switch (placeholder[0]) {
- case 's': /* subject */
- strbuf_add(sb, msg + c->subject.off, c->subject.len);
- return 1;
case 'a': /* author ... */
return format_person_part(sb, placeholder[1],
msg + c->author.off, c->author.len,
@@ -594,6 +655,16 @@ static size_t format_commit_item(struct strbuf *sb, const char *placeholder,
case 'e': /* encoding */
strbuf_add(sb, msg + c->encoding.off, c->encoding.len);
return 1;
+ }
+
+ /* Now we need to parse the commit message. */
+ if (!c->commit_message_parsed)
+ parse_commit_message(c);
+
+ switch (placeholder[0]) {
+ case 's': /* subject */
+ format_subject(sb, msg + c->subject_off, " ");
+ return 1;
case 'b': /* body */
strbuf_addstr(sb, msg + c->body_off);
return 1;
@@ -684,27 +755,11 @@ void pp_title_line(enum cmit_fmt fmt,
const char *encoding,
int need_8bit_cte)
{
+ const char *line_separator = (fmt == CMIT_FMT_EMAIL) ? "\n " : " ";
struct strbuf title;
strbuf_init(&title, 80);
-
- for (;;) {
- const char *line = *msg_p;
- int linelen = get_one_line(line);
-
- *msg_p += linelen;
- if (!linelen || is_empty_line(line, &linelen))
- break;
-
- strbuf_grow(&title, linelen + 2);
- if (title.len) {
- if (fmt == CMIT_FMT_EMAIL) {
- strbuf_addch(&title, '\n');
- }
- strbuf_addch(&title, ' ');
- }
- strbuf_add(&title, line, linelen);
- }
+ *msg_p = format_subject(&title, *msg_p, line_separator);
strbuf_grow(sb, title.len + 1024);
if (subject) {
@@ -763,6 +818,20 @@ void pp_remainder(enum cmit_fmt fmt,
}
}
+char *reencode_commit_message(const struct commit *commit, const char **encoding_p)
+{
+ const char *encoding;
+
+ encoding = (git_log_output_encoding
+ ? git_log_output_encoding
+ : git_commit_encoding);
+ if (!encoding)
+ encoding = "utf-8";
+ if (encoding_p)
+ *encoding_p = encoding;
+ return logmsg_reencode(commit, encoding);
+}
+
void pretty_print_commit(enum cmit_fmt fmt, const struct commit *commit,
struct strbuf *sb, int abbrev,
const char *subject, const char *after_subject,
@@ -779,12 +848,7 @@ void pretty_print_commit(enum cmit_fmt fmt, const struct commit *commit,
return;
}
- encoding = (git_log_output_encoding
- ? git_log_output_encoding
- : git_commit_encoding);
- if (!encoding)
- encoding = "utf-8";
- reencoded = logmsg_reencode(commit, encoding);
+ reencoded = reencode_commit_message(commit, &encoding);
if (reencoded) {
msg = reencoded;
}
@@ -821,15 +885,7 @@ void pretty_print_commit(enum cmit_fmt fmt, const struct commit *commit,
}
/* Skip excess blank lines at the beginning of body, if any... */
- for (;;) {
- int linelen = get_one_line(msg);
- int ll = linelen;
- if (!linelen)
- break;
- if (!is_empty_line(msg, &ll))
- break;
- msg += linelen;
- }
+ msg = skip_empty_lines(msg);
/* These formats treat the title line specially. */
if (fmt == CMIT_FMT_ONELINE || fmt == CMIT_FMT_EMAIL)