merge: Make '--log' an integer option for number of shortlog entries

Change the command-line '--log' option from a boolean option to an
integer option, and parse the optional integer provided on the
command-line into the 'shortlog_len' variable. Also update the
documentation accordingly.

Signed-off-by: Ramkumar Ramachandra <artagnon@gmail.com>
Reported-by: Yaroslav Halchenko <debian@onerussian.com>
Thanks-to: Jonathan Nieder <jrnieder@gmail.com>
Thanks-to: Johannes Sixt <j.sixt@viscovery.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Ramkumar Ramachandra 2010-09-08 23:29:54 +05:30 committed by Junio C Hamano
parent 1876166aaa
commit 96e9420cd3
4 changed files with 37 additions and 24 deletions

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@ -9,8 +9,8 @@ git-fmt-merge-msg - Produce a merge commit message
SYNOPSIS
--------
[verse]
'git fmt-merge-msg' [-m <message>] [--log | --no-log] <$GIT_DIR/FETCH_HEAD
'git fmt-merge-msg' [-m <message>] [--log | --no-log] -F <file>
'git fmt-merge-msg' [-m <message>] [--log[=<n>] | --no-log] <$GIT_DIR/FETCH_HEAD
'git fmt-merge-msg' [-m <message>] [--log[=<n>] | --no-log] -F <file>
DESCRIPTION
-----------
@ -24,10 +24,12 @@ automatically invoking 'git merge'.
OPTIONS
-------
--log::
--log[=<n>]::
In addition to branch names, populate the log message with
one-line descriptions from the actual commits that are being
merged.
merged. At most <n> commits from each merge parent will be
used (20 if <n> is omitted). This overrides the `merge.log`
configuration variable.
--no-log::
Do not list one-line descriptions from the actual commits being

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@ -16,11 +16,11 @@ inspect and further tweak the merge result before committing.
With --no-ff Generate a merge commit even if the merge
resolved as a fast-forward.
--log::
--log[=<n>]::
--no-log::
In addition to branch names, populate the log message with
one-line descriptions from the actual commits that are being
merged.
one-line descriptions from at most <n> actual commits that are being
merged. See also linkgit:git-fmt-merge-msg[1].
+
With --no-log do not list one-line descriptions from the
actual commits being merged.

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@ -7,21 +7,24 @@
#include "string-list.h"
static const char * const fmt_merge_msg_usage[] = {
"git fmt-merge-msg [-m <message>] [--log|--no-log] [--file <file>]",
"git fmt-merge-msg [-m <message>] [--log[=<n>]|--no-log] [--file <file>]",
NULL
};
static int merge_summary;
static int shortlog_len;
static int fmt_merge_msg_config(const char *key, const char *value, void *cb)
{
static int found_merge_log = 0;
if (!strcmp("merge.log", key)) {
found_merge_log = 1;
merge_summary = git_config_bool(key, value);
shortlog_len = git_config_bool(key, value) ? DEFAULT_MERGE_LOG_LEN : 0;
return 0;
}
if (!found_merge_log && !strcmp("merge.summary", key)) {
shortlog_len = git_config_bool(key, value) ? DEFAULT_MERGE_LOG_LEN : 0;
return 0;
}
if (!found_merge_log && !strcmp("merge.summary", key))
merge_summary = git_config_bool(key, value);
return 0;
}
@ -318,10 +321,13 @@ int cmd_fmt_merge_msg(int argc, const char **argv, const char *prefix)
const char *inpath = NULL;
const char *message = NULL;
struct option options[] = {
OPT_BOOLEAN(0, "log", &merge_summary, "populate log with the shortlog"),
{ OPTION_BOOLEAN, 0, "summary", &merge_summary, NULL,
{ OPTION_INTEGER, 0, "log", &shortlog_len, "n",
"populate log with at most <n> entries from shortlog",
PARSE_OPT_OPTARG, NULL, DEFAULT_MERGE_LOG_LEN },
{ OPTION_INTEGER, 0, "summary", &shortlog_len, "n",
"alias for --log (deprecated)",
PARSE_OPT_NOARG | PARSE_OPT_HIDDEN },
PARSE_OPT_OPTARG | PARSE_OPT_HIDDEN, NULL,
DEFAULT_MERGE_LOG_LEN },
OPT_STRING('m', "message", &message, "text",
"use <text> as start of message"),
OPT_FILENAME('F', "file", &inpath, "file to read from"),
@ -337,12 +343,14 @@ int cmd_fmt_merge_msg(int argc, const char **argv, const char *prefix)
0);
if (argc > 0)
usage_with_options(fmt_merge_msg_usage, options);
if (message && !merge_summary) {
if (message && !shortlog_len) {
char nl = '\n';
write_in_full(STDOUT_FILENO, message, strlen(message));
write_in_full(STDOUT_FILENO, &nl, 1);
return 0;
}
if (shortlog_len < 0)
die("Negative --log=%d", shortlog_len);
if (inpath && strcmp(inpath, "-")) {
in = fopen(inpath, "r");
@ -357,7 +365,7 @@ int cmd_fmt_merge_msg(int argc, const char **argv, const char *prefix)
strbuf_addstr(&output, message);
ret = fmt_merge_msg(&input, &output,
message ? 0 : 1,
merge_summary ? DEFAULT_MERGE_LOG_LEN : 0);
shortlog_len);
if (ret)
return ret;

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@ -42,7 +42,7 @@ static const char * const builtin_merge_usage[] = {
NULL
};
static int show_diffstat = 1, option_log, squash;
static int show_diffstat = 1, shortlog_len, squash;
static int option_commit = 1, allow_fast_forward = 1;
static int fast_forward_only;
static int allow_trivial = 1, have_message;
@ -175,8 +175,9 @@ static struct option builtin_merge_options[] = {
OPT_BOOLEAN(0, "stat", &show_diffstat,
"show a diffstat at the end of the merge"),
OPT_BOOLEAN(0, "summary", &show_diffstat, "(synonym to --stat)"),
OPT_BOOLEAN(0, "log", &option_log,
"add list of one-line log to merge commit message"),
{ OPTION_INTEGER, 0, "log", &shortlog_len, "n",
"add (at most <n>) entries from shortlog to merge commit message",
PARSE_OPT_OPTARG, NULL, DEFAULT_MERGE_LOG_LEN },
OPT_BOOLEAN(0, "squash", &squash,
"create a single commit instead of doing a merge"),
OPT_BOOLEAN(0, "commit", &option_commit,
@ -501,8 +502,10 @@ static int git_merge_config(const char *k, const char *v, void *cb)
return git_config_string(&pull_twohead, k, v);
else if (!strcmp(k, "pull.octopus"))
return git_config_string(&pull_octopus, k, v);
else if (!strcmp(k, "merge.log") || !strcmp(k, "merge.summary"))
option_log = git_config_bool(k, v);
else if (!strcmp(k, "merge.log") || !strcmp(k, "merge.summary")) {
shortlog_len = git_config_bool(k, v) ? DEFAULT_MERGE_LOG_LEN : 0;
return 0;
}
return git_diff_ui_config(k, v, cb);
}
@ -998,9 +1001,9 @@ int cmd_merge(int argc, const char **argv, const char *prefix)
for (i = 0; i < argc; i++)
merge_name(argv[i], &merge_names);
if (!have_message || option_log) {
if (!have_message || shortlog_len) {
fmt_merge_msg(&merge_names, &merge_msg, !have_message,
option_log ? DEFAULT_MERGE_LOG_LEN : 0);
shortlog_len);
if (merge_msg.len)
strbuf_setlen(&merge_msg, merge_msg.len - 1);
}