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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>
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@ -9,8 +9,8 @@ git-fmt-merge-msg - Produce a merge commit message
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SYNOPSIS
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--------
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[verse]
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'git fmt-merge-msg' [-m <message>] [--log | --no-log] <$GIT_DIR/FETCH_HEAD
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'git fmt-merge-msg' [-m <message>] [--log | --no-log] -F <file>
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'git fmt-merge-msg' [-m <message>] [--log[=<n>] | --no-log] <$GIT_DIR/FETCH_HEAD
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'git fmt-merge-msg' [-m <message>] [--log[=<n>] | --no-log] -F <file>
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DESCRIPTION
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-----------
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@ -24,10 +24,12 @@ automatically invoking 'git merge'.
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OPTIONS
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-------
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--log::
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--log[=<n>]::
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In addition to branch names, populate the log message with
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one-line descriptions from the actual commits that are being
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merged.
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merged. At most <n> commits from each merge parent will be
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used (20 if <n> is omitted). This overrides the `merge.log`
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configuration variable.
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--no-log::
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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.
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With --no-ff Generate a merge commit even if the merge
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resolved as a fast-forward.
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--log::
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--log[=<n>]::
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--no-log::
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In addition to branch names, populate the log message with
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one-line descriptions from the actual commits that are being
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merged.
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one-line descriptions from at most <n> actual commits that are being
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merged. See also linkgit:git-fmt-merge-msg[1].
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+
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With --no-log do not list one-line descriptions from the
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actual commits being merged.
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@ -7,21 +7,24 @@
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#include "string-list.h"
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static const char * const fmt_merge_msg_usage[] = {
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"git fmt-merge-msg [-m <message>] [--log|--no-log] [--file <file>]",
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"git fmt-merge-msg [-m <message>] [--log[=<n>]|--no-log] [--file <file>]",
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NULL
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};
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static int merge_summary;
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static int shortlog_len;
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static int fmt_merge_msg_config(const char *key, const char *value, void *cb)
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{
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static int found_merge_log = 0;
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if (!strcmp("merge.log", key)) {
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found_merge_log = 1;
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merge_summary = git_config_bool(key, value);
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shortlog_len = git_config_bool(key, value) ? DEFAULT_MERGE_LOG_LEN : 0;
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return 0;
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}
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if (!found_merge_log && !strcmp("merge.summary", key)) {
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shortlog_len = git_config_bool(key, value) ? DEFAULT_MERGE_LOG_LEN : 0;
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return 0;
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}
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if (!found_merge_log && !strcmp("merge.summary", key))
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merge_summary = git_config_bool(key, value);
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return 0;
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}
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@ -318,10 +321,13 @@ int cmd_fmt_merge_msg(int argc, const char **argv, const char *prefix)
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const char *inpath = NULL;
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const char *message = NULL;
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struct option options[] = {
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OPT_BOOLEAN(0, "log", &merge_summary, "populate log with the shortlog"),
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{ OPTION_BOOLEAN, 0, "summary", &merge_summary, NULL,
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{ OPTION_INTEGER, 0, "log", &shortlog_len, "n",
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"populate log with at most <n> entries from shortlog",
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PARSE_OPT_OPTARG, NULL, DEFAULT_MERGE_LOG_LEN },
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{ OPTION_INTEGER, 0, "summary", &shortlog_len, "n",
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"alias for --log (deprecated)",
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PARSE_OPT_NOARG | PARSE_OPT_HIDDEN },
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PARSE_OPT_OPTARG | PARSE_OPT_HIDDEN, NULL,
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DEFAULT_MERGE_LOG_LEN },
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OPT_STRING('m', "message", &message, "text",
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"use <text> as start of message"),
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OPT_FILENAME('F', "file", &inpath, "file to read from"),
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@ -337,12 +343,14 @@ int cmd_fmt_merge_msg(int argc, const char **argv, const char *prefix)
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0);
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if (argc > 0)
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usage_with_options(fmt_merge_msg_usage, options);
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if (message && !merge_summary) {
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if (message && !shortlog_len) {
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char nl = '\n';
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write_in_full(STDOUT_FILENO, message, strlen(message));
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write_in_full(STDOUT_FILENO, &nl, 1);
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return 0;
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}
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if (shortlog_len < 0)
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die("Negative --log=%d", shortlog_len);
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if (inpath && strcmp(inpath, "-")) {
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in = fopen(inpath, "r");
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@ -357,7 +365,7 @@ int cmd_fmt_merge_msg(int argc, const char **argv, const char *prefix)
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strbuf_addstr(&output, message);
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ret = fmt_merge_msg(&input, &output,
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message ? 0 : 1,
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merge_summary ? DEFAULT_MERGE_LOG_LEN : 0);
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shortlog_len);
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if (ret)
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return ret;
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@ -42,7 +42,7 @@ static const char * const builtin_merge_usage[] = {
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NULL
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};
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static int show_diffstat = 1, option_log, squash;
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static int show_diffstat = 1, shortlog_len, squash;
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static int option_commit = 1, allow_fast_forward = 1;
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static int fast_forward_only;
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static int allow_trivial = 1, have_message;
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@ -175,8 +175,9 @@ static struct option builtin_merge_options[] = {
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OPT_BOOLEAN(0, "stat", &show_diffstat,
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"show a diffstat at the end of the merge"),
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OPT_BOOLEAN(0, "summary", &show_diffstat, "(synonym to --stat)"),
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OPT_BOOLEAN(0, "log", &option_log,
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"add list of one-line log to merge commit message"),
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{ OPTION_INTEGER, 0, "log", &shortlog_len, "n",
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"add (at most <n>) entries from shortlog to merge commit message",
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PARSE_OPT_OPTARG, NULL, DEFAULT_MERGE_LOG_LEN },
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OPT_BOOLEAN(0, "squash", &squash,
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"create a single commit instead of doing a merge"),
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OPT_BOOLEAN(0, "commit", &option_commit,
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@ -501,8 +502,10 @@ static int git_merge_config(const char *k, const char *v, void *cb)
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return git_config_string(&pull_twohead, k, v);
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else if (!strcmp(k, "pull.octopus"))
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return git_config_string(&pull_octopus, k, v);
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else if (!strcmp(k, "merge.log") || !strcmp(k, "merge.summary"))
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option_log = git_config_bool(k, v);
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else if (!strcmp(k, "merge.log") || !strcmp(k, "merge.summary")) {
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shortlog_len = git_config_bool(k, v) ? DEFAULT_MERGE_LOG_LEN : 0;
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return 0;
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}
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return git_diff_ui_config(k, v, cb);
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}
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@ -998,9 +1001,9 @@ int cmd_merge(int argc, const char **argv, const char *prefix)
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for (i = 0; i < argc; i++)
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merge_name(argv[i], &merge_names);
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if (!have_message || option_log) {
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if (!have_message || shortlog_len) {
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fmt_merge_msg(&merge_names, &merge_msg, !have_message,
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option_log ? DEFAULT_MERGE_LOG_LEN : 0);
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shortlog_len);
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if (merge_msg.len)
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strbuf_setlen(&merge_msg, merge_msg.len - 1);
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}
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