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pretty_print_commit: add different formats

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You can ask to print out "raw" format (full headers, full body),
"medium" format (author and date, full body) or "short" format
(author only, condensed body).

Use "git-rev-list --pretty=short HEAD | less -S" for an example.
This commit is contained in:
Linus Torvalds 2005-06-05 09:02:03 -07:00
parent 848b292e83
commit 000182eacf
4 changed files with 67 additions and 22 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

46
commit.c
View File

@ -1,3 +1,4 @@
#include <ctype.h>
#include "tag.h"
#include "commit.h"
#include "cache.h"
@ -193,12 +194,12 @@ static int get_one_line(const char *msg, unsigned long len)
return ret;
}
static int add_author_info(char *buf, const char *line, int len)
static int add_author_info(enum cmit_fmt fmt, char *buf, const char *line, int len)
{
char *date;
unsigned int namelen;
unsigned long time;
int tz;
int tz, ret;
line += strlen("author ");
date = strchr(line, '>');
@ -208,14 +209,22 @@ static int add_author_info(char *buf, const char *line, int len)
time = strtoul(date, &date, 10);
tz = strtol(date, NULL, 10);
return sprintf(buf, "Author: %.*s\nDate: %s\n",
namelen, line,
show_date(time, tz));
ret = sprintf(buf, "Author: %.*s\n", namelen, line);
if (fmt == CMIT_FMT_MEDIUM)
ret += sprintf(buf + ret, "Date: %s\n", show_date(time, tz));
return ret;
}
unsigned long pretty_print_commit(const char *msg, unsigned long len, char *buf, unsigned long space)
static int is_empty_line(const char *line, int len)
{
int hdr = 1;
while (len && isspace(line[len-1]))
len--;
return !len;
}
unsigned long pretty_print_commit(enum cmit_fmt fmt, const char *msg, unsigned long len, char *buf, unsigned long space)
{
int hdr = 1, body = 0;
unsigned long offset = 0;
for (;;) {
@ -237,13 +246,30 @@ unsigned long pretty_print_commit(const char *msg, unsigned long len, char *buf,
msg += linelen;
len -= linelen;
if (linelen == 1)
hdr = 0;
if (hdr) {
if (linelen == 1) {
hdr = 0;
buf[offset++] = '\n';
continue;
}
if (fmt == CMIT_FMT_RAW) {
memcpy(buf + offset, line, linelen);
offset += linelen;
continue;
}
if (!memcmp(line, "author ", 7))
offset += add_author_info(buf + offset, line, linelen);
offset += add_author_info(fmt, buf + offset, line, linelen);
continue;
}
if (is_empty_line(line, linelen)) {
if (!body)
continue;
if (fmt == CMIT_FMT_SHORT)
break;
} else {
body = 1;
}
memset(buf + offset, ' ', 4);
memcpy(buf + offset + 4, line, linelen);
offset += linelen + 4;

10
commit.h
View File

@ -32,7 +32,15 @@ void free_commit_list(struct commit_list *list);
void sort_by_date(struct commit_list **list);
extern unsigned long pretty_print_commit(const char *msg, unsigned long len, char *buf, unsigned long space);
/* Commit formats */
enum cmit_fmt {
CMIT_FMT_RAW,
CMIT_FMT_MEDIUM,
CMIT_FMT_DEFAULT = CMIT_FMT_MEDIUM,
CMIT_FMT_SHORT
};
extern unsigned long pretty_print_commit(enum cmit_fmt fmt, const char *msg, unsigned long len, char *buf, unsigned long space);
/** Removes the first commit from a list sorted by date, and adds all

3
diff-tree.c
View File

@ -19,6 +19,7 @@ static int diff_break_opt = -1;
static const char *orderfile = NULL;
static const char *header = NULL;
static const char *header_prefix = "";
static enum cmit_fmt commit_format = CMIT_FMT_RAW;
// What paths are we interested in?
static int nr_paths = 0;
@ -321,7 +322,7 @@ static char *generate_header(const char *commit, const char *parent, const char
offset = sprintf(this_header, "%s%s (from %s)\n", header_prefix, commit, parent);
if (verbose_header) {
offset += pretty_print_commit(msg, len, this_header + offset, sizeof(this_header) - offset);
offset += pretty_print_commit(commit_format, msg, len, this_header + offset, sizeof(this_header) - offset);
this_header[offset++] = '\n';
this_header[offset++] = 0;
}

30
rev-list.c
View File

@ -15,12 +15,12 @@ static const char rev_list_usage[] =
static int verbose_header = 0;
static int show_parents = 0;
static int pretty_print = 0;
static int hdr_termination = 0;
static const char *prefix = "";
static unsigned long max_age = -1;
static unsigned long min_age = -1;
static int max_count = -1;
static enum cmit_fmt commit_format = CMIT_FMT_RAW;
static void show_commit(struct commit *commit)
{
@ -34,13 +34,9 @@ static void show_commit(struct commit *commit)
}
putchar('\n');
if (verbose_header) {
const char *buf = commit->buffer;
if (pretty_print) {
static char pretty_header[16384];
pretty_print_commit(commit->buffer, ~0, pretty_header, sizeof(pretty_header));
buf = pretty_header;
}
printf("%s%c", buf, hdr_termination);
static char pretty_header[16384];
pretty_print_commit(commit_format, commit->buffer, ~0, pretty_header, sizeof(pretty_header));
printf("%s%c", pretty_header, hdr_termination);
}
}
@ -103,6 +99,20 @@ struct commit_list *limit_list(struct commit_list *list)
return newlist;
}
static enum cmit_fmt get_commit_format(const char *arg)
{
if (!*arg)
return CMIT_FMT_DEFAULT;
if (!strcmp(arg, "=raw"))
return CMIT_FMT_RAW;
if (!strcmp(arg, "=medium"))
return CMIT_FMT_MEDIUM;
if (!strcmp(arg, "=short"))
return CMIT_FMT_SHORT;
usage(rev_list_usage);
}
int main(int argc, char **argv)
{
struct commit_list *list = NULL;
@ -130,9 +140,9 @@ int main(int argc, char **argv)
verbose_header = 1;
continue;
}
if (!strcmp(arg, "--pretty")) {
if (!strncmp(arg, "--pretty", 8)) {
commit_format = get_commit_format(arg+8);
verbose_header = 1;
pretty_print = 1;
hdr_termination = '\n';
prefix = "commit ";
continue;