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parse-opt: migrate fmt-merge-msg.

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Also fix an inefficient printf("%s", ...) where we can use write_in_full.

Signed-off-by: Pierre Habouzit <madcoder@debian.org>
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
This commit is contained in:
Pierre Habouzit 2008-10-02 14:59:18 +02:00 committed by Shawn O. Pearce
parent 52e8370bc7
commit c8ef0383ac
1 changed files with 20 additions and 27 deletions
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47
builtin-fmt-merge-msg.c
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@ -5,8 +5,10 @@
#include "revision.h"
#include "tag.h"
static const char *fmt_merge_msg_usage =
"git fmt-merge-msg [--log] [--no-log] [--file <file>]";
static const char * const fmt_merge_msg_usage[] = {
"git fmt-merge-msg [--log|--no-log] [--file <file>]",
NULL
};
static int merge_summary;
@ -347,38 +349,29 @@ int fmt_merge_msg(int merge_summary, struct strbuf *in, struct strbuf *out) {
int cmd_fmt_merge_msg(int argc, const char **argv, const char *prefix)
{
const char *inpath = NULL;
struct option options[] = {
OPT_BOOLEAN(0, "log", &merge_summary, "populate log with the shortlog"),
OPT_BOOLEAN(0, "summary", &merge_summary, "alias for --log"),
OPT_STRING('F', "file", &inpath, "file", "file to read from"),
OPT_END()
};
FILE *in = stdin;
struct strbuf input, output;
int ret;
git_config(fmt_merge_msg_config, NULL);
argc = parse_options(argc, argv, options, fmt_merge_msg_usage, 0);
if (argc > 0)
usage_with_options(fmt_merge_msg_usage, options);
while (argc > 1) {
if (!strcmp(argv[1], "--log") || !strcmp(argv[1], "--summary"))
merge_summary = 1;
else if (!strcmp(argv[1], "--no-log")
|| !strcmp(argv[1], "--no-summary"))
merge_summary = 0;
else if (!strcmp(argv[1], "-F") || !strcmp(argv[1], "--file")) {
if (argc < 3)
die ("Which file?");
if (!strcmp(argv[2], "-"))
in = stdin;
else {
fclose(in);
in = fopen(argv[2], "r");
if (!in)
die("cannot open %s", argv[2]);
}
argc--; argv++;
} else
break;
argc--; argv++;
if (inpath && strcmp(inpath, "-")) {
in = fopen(inpath, "r");
if (!in)
die("cannot open %s", inpath);
}
if (argc > 1)
usage(fmt_merge_msg_usage);
strbuf_init(&input, 0);
if (strbuf_read(&input, fileno(in), 0) < 0)
die("could not read input file %s", strerror(errno));
@ -387,6 +380,6 @@ int cmd_fmt_merge_msg(int argc, const char **argv, const char *prefix)
ret = fmt_merge_msg(merge_summary, &input, &output);
if (ret)
return ret;
printf("%s", output.buf);
write_in_full(STDOUT_FILENO, output.buf, output.len);
return 0;
}