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builtin-am: implement -q/--quiet

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Since 0e987a1 (am, rebase: teach quiet option, 2009-06-16), git-am
supported the --quiet option, and when told to be quiet, would only
speak on failure. Re-implement this by introducing the say() function,
which works like fprintf_ln(), but would only write to the stream when
state->quiet is false.

Signed-off-by: Paul Tan <pyokagan@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Paul Tan 2015-08-04 21:51:37 +08:00 committed by Junio C Hamano
parent 8d18550318
commit 5d28cf7819
1 changed files with 28 additions and 3 deletions
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31
builtin/am.c
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@ -80,6 +80,9 @@ struct am_state {
/* number of digits in patch filename */
int prec;
/* various operating modes and command line options */
int quiet;
};
/**
@ -116,6 +119,22 @@ static inline const char *am_path(const struct am_state *state, const char *path
return mkpath("%s/%s", state->dir, path);
}
/**
* If state->quiet is false, calls fprintf(fp, fmt, ...), and appends a newline
* at the end.
*/
static void say(const struct am_state *state, FILE *fp, const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
if (!state->quiet) {
vfprintf(fp, fmt, ap);
putc('\n', fp);
}
va_end(ap);
}
/**
* Returns 1 if there is an am session in progress, 0 otherwise.
*/
@ -330,6 +349,9 @@ static void am_load(struct am_state *state)
read_commit_msg(state);
read_state_file(&sb, state, "quiet", 1);
state->quiet = !strcmp(sb.buf, "t");
strbuf_release(&sb);
}
@ -508,6 +530,8 @@ static void am_setup(struct am_state *state, enum patch_format patch_format,
die(_("Failed to split patches."));
}
write_file(am_path(state, "quiet"), 1, state->quiet ? "t" : "f");
if (!get_sha1("HEAD", curr_head)) {
write_file(am_path(state, "abort-safety"), 1, "%s", sha1_to_hex(curr_head));
update_ref("am", "ORIG_HEAD", curr_head, NULL, 0, UPDATE_REFS_DIE_ON_ERR);
@ -756,7 +780,7 @@ static void do_commit(const struct am_state *state)
commit_list_insert(lookup_commit(parent), &parents);
} else {
ptr = NULL;
fprintf_ln(stderr, _("applying to an empty history"));
say(state, stderr, _("applying to an empty history"));
}
author = fmt_ident(state->author_name, state->author_email,
@ -833,7 +857,7 @@ static void am_run(struct am_state *state, int resume)
write_commit_msg(state);
}
printf_ln(_("Applying: %.*s"), linelen(state->msg), state->msg);
say(state, stdout, _("Applying: %.*s"), linelen(state->msg), state->msg);
if (run_apply(state) < 0) {
int advice_amworkdir = 1;
@ -869,7 +893,7 @@ static void am_resolve(struct am_state *state)
{
validate_resume_state(state);
printf_ln(_("Applying: %.*s"), linelen(state->msg), state->msg);
say(state, stdout, _("Applying: %.*s"), linelen(state->msg), state->msg);
if (!index_has_changes(NULL)) {
printf_ln(_("No changes - did you forget to use 'git add'?\n"
@ -1105,6 +1129,7 @@ int cmd_am(int argc, const char **argv, const char *prefix)
};
struct option options[] = {
OPT__QUIET(&state.quiet, N_("be quiet")),
OPT_CALLBACK(0, "patch-format", &patch_format, N_("format"),
N_("format the patch(es) are in"),
parse_opt_patchformat),