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ident: keep separate "explicit" flags for author and committer 

We keep track of whether the user ident was given to us
explicitly, or if we guessed at it from system parameters
like username and hostname. However, we kept only a single
variable. This covers the common cases (because the author
and committer will usually come from the same explicit
source), but can miss two cases:

  1. GIT_COMMITTER_* is set explicitly, but we fallback for
     GIT_AUTHOR. We claim the ident is explicit, even though
     the author is not.

  2. GIT_AUTHOR_* is set and we ask for author ident, but
     not committer ident. We will claim the ident is
     implicit, even though it is explicit.

This patch uses two variables instead of one, updates both
when we set the "fallback" values, and updates them
individually when we read from the environment.

Rather than keep user_ident_sufficiently_given as a
compatibility wrapper, we update the only two callers to
check the committer_ident, which matches their intent and
what was happening already.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jeff King 2012-11-14 16:34:13 -08:00 committed by Junio C Hamano
parent 452802309c
commit d6991ceedc
3 changed files with 29 additions and 10 deletions
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4
builtin/commit.c
View File

@ -755,7 +755,7 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
ident_shown++ ? "" : "\n",
author_ident->buf);
if (!user_ident_sufficiently_given())
if (!committer_ident_sufficiently_given())
status_printf_ln(s, GIT_COLOR_NORMAL,
_("%s"
"Committer: %s"),
@ -1265,7 +1265,7 @@ static void print_summary(const char *prefix, const unsigned char *sha1,
strbuf_addstr(&format, "\n Author: ");
strbuf_addbuf_percentquote(&format, &author_ident);
}
if (!user_ident_sufficiently_given()) {
if (!committer_ident_sufficiently_given()) {
strbuf_addstr(&format, "\n Committer: ");
strbuf_addbuf_percentquote(&format, &committer_ident);
if (advice_implicit_identity) {

3
cache.h
View File

@ -1149,7 +1149,8 @@ struct config_include_data {
#define CONFIG_INCLUDE_INIT { 0 }
extern int git_config_include(const char *name, const char *value, void *data);
extern int user_ident_sufficiently_given(void);
extern int committer_ident_sufficiently_given(void);
extern int author_ident_sufficiently_given(void);
extern const char *git_commit_encoding;
extern const char *git_log_output_encoding;

32
ident.c
View File

@ -14,7 +14,8 @@ static char git_default_date[50];
#define IDENT_NAME_GIVEN 01
#define IDENT_MAIL_GIVEN 02
#define IDENT_ALL_GIVEN (IDENT_NAME_GIVEN|IDENT_MAIL_GIVEN)
static int user_ident_explicitly_given;
static int committer_ident_explicitly_given;
static int author_ident_explicitly_given;
#ifdef NO_GECOS_IN_PWENT
#define get_gecos(ignored) "&"
@ -113,7 +114,8 @@ const char *ident_default_email(void)
if (email && email[0]) {
strbuf_addstr(&git_default_email, email);
user_ident_explicitly_given |= IDENT_MAIL_GIVEN;
committer_ident_explicitly_given |= IDENT_MAIL_GIVEN;
author_ident_explicitly_given |= IDENT_MAIL_GIVEN;
} else
copy_email(xgetpwuid_self(), &git_default_email);
strbuf_trim(&git_default_email);
@ -331,6 +333,10 @@ const char *fmt_name(const char *name, const char *email)
const char *git_author_info(int flag)
{
if (getenv("GIT_AUTHOR_NAME"))
author_ident_explicitly_given |= IDENT_NAME_GIVEN;
if (getenv("GIT_AUTHOR_EMAIL"))
author_ident_explicitly_given |= IDENT_MAIL_GIVEN;
return fmt_ident(getenv("GIT_AUTHOR_NAME"),
getenv("GIT_AUTHOR_EMAIL"),
getenv("GIT_AUTHOR_DATE"),
@ -340,16 +346,16 @@ const char *git_author_info(int flag)
const char *git_committer_info(int flag)
{
if (getenv("GIT_COMMITTER_NAME"))
user_ident_explicitly_given |= IDENT_NAME_GIVEN;
committer_ident_explicitly_given |= IDENT_NAME_GIVEN;
if (getenv("GIT_COMMITTER_EMAIL"))
user_ident_explicitly_given |= IDENT_MAIL_GIVEN;
committer_ident_explicitly_given |= IDENT_MAIL_GIVEN;
return fmt_ident(getenv("GIT_COMMITTER_NAME"),
getenv("GIT_COMMITTER_EMAIL"),
getenv("GIT_COMMITTER_DATE"),
flag);
}
int user_ident_sufficiently_given(void)
static int ident_is_sufficient(int user_ident_explicitly_given)
{
#ifndef WINDOWS
return (user_ident_explicitly_given & IDENT_MAIL_GIVEN);
@ -358,6 +364,16 @@ int user_ident_sufficiently_given(void)
#endif
}
int committer_ident_sufficiently_given(void)
{
return ident_is_sufficient(committer_ident_explicitly_given);
}
int author_ident_sufficiently_given(void)
{
return ident_is_sufficient(author_ident_explicitly_given);
}
int git_ident_config(const char *var, const char *value, void *data)
{
if (!strcmp(var, "user.name")) {
@ -365,7 +381,8 @@ int git_ident_config(const char *var, const char *value, void *data)
return config_error_nonbool(var);
strbuf_reset(&git_default_name);
strbuf_addstr(&git_default_name, value);
user_ident_explicitly_given |= IDENT_NAME_GIVEN;
committer_ident_explicitly_given |= IDENT_NAME_GIVEN;
author_ident_explicitly_given |= IDENT_NAME_GIVEN;
return 0;
}
@ -374,7 +391,8 @@ int git_ident_config(const char *var, const char *value, void *data)
return config_error_nonbool(var);
strbuf_reset(&git_default_email);
strbuf_addstr(&git_default_email, value);
user_ident_explicitly_given |= IDENT_MAIL_GIVEN;
committer_ident_explicitly_given |= IDENT_MAIL_GIVEN;
author_ident_explicitly_given |= IDENT_MAIL_GIVEN;
return 0;
}