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Introduce advise() to print hints

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Like error(), warn(), and die(), advise() prints a short message
with a formulaic prefix to stderr.

It is local to revert.c for now because I am not sure this is
the right API (we may want to take an array of advice lines or a
boolean argument for easy suppression of unwanted advice).

Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jonathan Nieder 2010-08-11 03:36:41 -05:00 committed by Junio C Hamano
parent 130ab8ab9c
commit 2a41dfb03b
1 changed files with 9 additions and 0 deletions
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9
builtin/revert.c
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@ -241,6 +241,15 @@ static void set_author_ident_env(const char *message)
sha1_to_hex(commit->object.sha1));
}
static void advise(const char *advice, ...)
{
va_list params;
va_start(params, advice);
vreportf("hint: ", advice, params);
va_end(params);
}
static char *help_msg(void)
{
struct strbuf helpbuf = STRBUF_INIT;