[git/git.git] / ident.c

/*
 * ident.c
 *
 * create git identifier lines of the form "name <email> date"
 *
 * Copyright (C) 2005 Linus Torvalds
 */
#include "cache.h"

static struct strbuf git_default_name = STRBUF_INIT;
static struct strbuf git_default_email = STRBUF_INIT;
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;

#ifdef NO_GECOS_IN_PWENT
#define get_gecos(ignored) "&"
#else
#define get_gecos(struct_passwd) ((struct_passwd)->pw_gecos)
#endif

static void copy_gecos(const struct passwd *w, struct strbuf *name)
{
	char *src;

	/* Traditionally GECOS field had office phone numbers etc, separated
	 * with commas.  Also & stands for capitalized form of the login name.
	 */

	for (src = get_gecos(w); *src && *src != ','; src++) {
		int ch = *src;
		if (ch != '&')
			strbuf_addch(name, ch);
		else {
			/* Sorry, Mr. McDonald... */
			strbuf_addch(name, toupper(*w->pw_name));
			strbuf_addstr(name, w->pw_name + 1);
		}
	}
}

static int add_mailname_host(struct strbuf *buf)
{
	FILE *mailname;

	mailname = fopen("/etc/mailname", "r");
	if (!mailname) {
		if (errno != ENOENT)
			warning("cannot open /etc/mailname: %s",
				strerror(errno));
		return -1;
	}
	if (strbuf_getline(buf, mailname, '\n') == EOF) {
		if (ferror(mailname))
			warning("cannot read /etc/mailname: %s",
				strerror(errno));
		fclose(mailname);
		return -1;
	}
	/* success! */
	fclose(mailname);
	return 0;
}

static void add_domainname(struct strbuf *out)
{
	char buf[1024];
	struct hostent *he;

	if (gethostname(buf, sizeof(buf))) {
		warning("cannot get host name: %s", strerror(errno));
		strbuf_addstr(out, "(none)");
		return;
	}
	if (strchr(buf, '.'))
		strbuf_addstr(out, buf);
	else if ((he = gethostbyname(buf)) && strchr(he->h_name, '.'))
		strbuf_addstr(out, he->h_name);
	else
		strbuf_addf(out, "%s.(none)", buf);
}

static void copy_email(const struct passwd *pw, struct strbuf *email)
{
	/*
	 * Make up a fake email address
	 * (name + '@' + hostname [+ '.' + domainname])
	 */
	strbuf_addstr(email, pw->pw_name);
	strbuf_addch(email, '@');

	if (!add_mailname_host(email))
		return;	/* read from "/etc/mailname" (Debian) */
	add_domainname(email);
}

static const char *ident_default_name(void)
{
	if (!git_default_name.len) {
		copy_gecos(xgetpwuid_self(), &git_default_name);
		strbuf_trim(&git_default_name);
	}
	return git_default_name.buf;
}

const char *ident_default_email(void)
{
	if (!git_default_email.len) {
		const char *email = getenv("EMAIL");

		if (email && email[0]) {
			strbuf_addstr(&git_default_email, email);
			user_ident_explicitly_given |= IDENT_MAIL_GIVEN;
		} else
			copy_email(xgetpwuid_self(), &git_default_email);
		strbuf_trim(&git_default_email);
	}
	return git_default_email.buf;
}

static const char *ident_default_date(void)
{
	if (!git_default_date[0])
		datestamp(git_default_date, sizeof(git_default_date));
	return git_default_date;
}

static int crud(unsigned char c)
{
	return  c <= 32  ||
		c == '.' ||
		c == ',' ||
		c == ':' ||
		c == ';' ||
		c == '<' ||
		c == '>' ||
		c == '"' ||
		c == '\\' ||
		c == '\'';
}

/*
 * Copy over a string to the destination, but avoid special
 * characters ('\n', '<' and '>') and remove crud at the end
 */
static void strbuf_addstr_without_crud(struct strbuf *sb, const char *src)
{
	size_t i, len;
	unsigned char c;

	/* Remove crud from the beginning.. */
	while ((c = *src) != 0) {
		if (!crud(c))
			break;
		src++;
	}

	/* Remove crud from the end.. */
	len = strlen(src);
	while (len > 0) {
		c = src[len-1];
		if (!crud(c))
			break;
		--len;
	}

	/*
	 * Copy the rest to the buffer, but avoid the special
	 * characters '\n' '<' and '>' that act as delimiters on
	 * an identification line. We can only remove crud, never add it,
	 * so 'len' is our maximum.
	 */
	strbuf_grow(sb, len);
	for (i = 0; i < len; i++) {
		c = *src++;
		switch (c) {
		case '\n': case '<': case '>':
			continue;
		}
		sb->buf[sb->len++] = c;
	}
	sb->buf[sb->len] = '\0';
}

/*
 * Reverse of fmt_ident(); given an ident line, split the fields
 * to allow the caller to parse it.
 * Signal a success by returning 0, but date/tz fields of the result
 * can still be NULL if the input line only has the name/email part
 * (e.g. reading from a reflog entry).
 */
int split_ident_line(struct ident_split *split, const char *line, int len)
{
	const char *cp;
	size_t span;
	int status = -1;

	memset(split, 0, sizeof(*split));

	split->name_begin = line;
	for (cp = line; *cp && cp < line + len; cp++)
		if (*cp == '<') {
			split->mail_begin = cp + 1;
			break;
		}
	if (!split->mail_begin)
		return status;

	for (cp = split->mail_begin - 2; line <= cp; cp--)
		if (!isspace(*cp)) {
			split->name_end = cp + 1;
			break;
		}
	if (!split->name_end) {
		/* no human readable name */
		split->name_end = split->name_begin;
	}

	for (cp = split->mail_begin; cp < line + len; cp++)
		if (*cp == '>') {
			split->mail_end = cp;
			break;
		}
	if (!split->mail_end)
		return status;

	for (cp = split->mail_end + 1; cp < line + len && isspace(*cp); cp++)
		;
	if (line + len <= cp)
		goto person_only;
	split->date_begin = cp;
	span = strspn(cp, "0123456789");
	if (!span)
		goto person_only;
	split->date_end = split->date_begin + span;
	for (cp = split->date_end; cp < line + len && isspace(*cp); cp++)
		;
	if (line + len <= cp || (*cp != '+' && *cp != '-'))
		goto person_only;
	split->tz_begin = cp;
	span = strspn(cp + 1, "0123456789");
	if (!span)
		goto person_only;
	split->tz_end = split->tz_begin + 1 + span;
	return 0;

person_only:
	split->date_begin = NULL;
	split->date_end = NULL;
	split->tz_begin = NULL;
	split->tz_end = NULL;
	return 0;
}

static const char *env_hint =
"\n"
"*** Please tell me who you are.\n"
"\n"
"Run\n"
"\n"
"  git config --global user.email \"you@example.com\"\n"
"  git config --global user.name \"Your Name\"\n"
"\n"
"to set your account\'s default identity.\n"
"Omit --global to set the identity only in this repository.\n"
"\n";

const char *fmt_ident(const char *name, const char *email,
		      const char *date_str, int flag)
{
	static struct strbuf ident = STRBUF_INIT;
	char date[50];
	int strict = (flag & IDENT_STRICT);
	int want_date = !(flag & IDENT_NO_DATE);
	int want_name = !(flag & IDENT_NO_NAME);

	if (want_name && !name)
		name = ident_default_name();
	if (!email)
		email = ident_default_email();

	if (want_name && !*name) {
		struct passwd *pw;

		if (strict) {
			if (name == git_default_name.buf)
				fputs(env_hint, stderr);
			die("empty ident name (for <%s>) not allowed", email);
		}
		pw = xgetpwuid_self();
		name = pw->pw_name;
	}

	if (strict && email == git_default_email.buf &&
	    strstr(email, "(none)")) {
		fputs(env_hint, stderr);
		die("unable to auto-detect email address (got '%s')", email);
	}

	if (want_date) {
		if (date_str && date_str[0]) {
			if (parse_date(date_str, date, sizeof(date)) < 0)
				die("invalid date format: %s", date_str);
		}
		else
			strcpy(date, ident_default_date());
	}

	strbuf_reset(&ident);
	if (want_name) {
		strbuf_addstr_without_crud(&ident, name);
		strbuf_addstr(&ident, " <");
	}
	strbuf_addstr_without_crud(&ident, email);
	if (want_name)
			strbuf_addch(&ident, '>');
	if (want_date) {
		strbuf_addch(&ident, ' ');
		strbuf_addstr_without_crud(&ident, date);
	}
	return ident.buf;
}

const char *fmt_name(const char *name, const char *email)
{
	return fmt_ident(name, email, NULL, IDENT_STRICT | IDENT_NO_DATE);
}

const char *git_author_info(int flag)
{
	return fmt_ident(getenv("GIT_AUTHOR_NAME"),
			 getenv("GIT_AUTHOR_EMAIL"),
			 getenv("GIT_AUTHOR_DATE"),
			 flag);
}

const char *git_committer_info(int flag)
{
	if (getenv("GIT_COMMITTER_NAME"))
		user_ident_explicitly_given |= IDENT_NAME_GIVEN;
	if (getenv("GIT_COMMITTER_EMAIL"))
		user_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)
{
#ifndef WINDOWS
	return (user_ident_explicitly_given & IDENT_MAIL_GIVEN);
#else
	return (user_ident_explicitly_given == IDENT_ALL_GIVEN);
#endif
}

int git_ident_config(const char *var, const char *value, void *data)
{
	if (!strcmp(var, "user.name")) {
		if (!value)
			return config_error_nonbool(var);
		strbuf_reset(&git_default_name);
		strbuf_addstr(&git_default_name, value);
		user_ident_explicitly_given |= IDENT_NAME_GIVEN;
		return 0;
	}

	if (!strcmp(var, "user.email")) {
		if (!value)
			return config_error_nonbool(var);
		strbuf_reset(&git_default_email);
		strbuf_addstr(&git_default_email, value);
		user_ident_explicitly_given |= IDENT_MAIL_GIVEN;
		return 0;
	}

	return 0;
}
Commit	Line	Data
6aa33f40 LT	1	/*
	2	* ident.c
	3	*
	4	* create git identifier lines of the form "name <email> date"
	5	*
	6	* Copyright (C) 2005 Linus Torvalds
	7	*/
	8	#include "cache.h"
	9
8587ead7 JK	10	static struct strbuf git_default_name = STRBUF_INIT;
8587ead7 JK	11	static struct strbuf git_default_email = STRBUF_INIT;
e1b10391	12	static char git_default_date[50];
45280230 JK	13
	14	#define IDENT_NAME_GIVEN 01
	15	#define IDENT_MAIL_GIVEN 02
	16	#define IDENT_ALL_GIVEN (IDENT_NAME_GIVEN\|IDENT_MAIL_GIVEN)
	17	static int user_ident_explicitly_given;
6aa33f40	18
590e081d RG	19	#ifdef NO_GECOS_IN_PWENT
	20	#define get_gecos(ignored) "&"
	21	#else
	22	#define get_gecos(struct_passwd) ((struct_passwd)->pw_gecos)
	23	#endif
	24
8587ead7	25	static void copy_gecos(const struct passwd w, struct strbuf name)
e9bacb4f	26	{
8587ead7	27	char *src;
e9bacb4f JH	28
	29	/* Traditionally GECOS field had office phone numbers etc, separated
	30	* with commas. Also & stands for capitalized form of the login name.
	31	*/
	32
8587ead7	33	for (src = get_gecos(w); src && src != ','; src++) {
e9bacb4f	34	int ch = *src;
8587ead7 JK	35	if (ch != '&')
	36	strbuf_addch(name, ch);
	37	else {
e9bacb4f	38	/* Sorry, Mr. McDonald... */
8587ead7 JK	39	strbuf_addch(name, toupper(*w->pw_name));
8587ead7 JK	40	strbuf_addstr(name, w->pw_name + 1);
e9bacb4f JH	41	}
e9bacb4f JH	42	}
e9bacb4f JH	43	}
e9bacb4f JH	44
8587ead7	45	static int add_mailname_host(struct strbuf *buf)
8a55caa8 JN	46	{
	47	FILE *mailname;
	48
	49	mailname = fopen("/etc/mailname", "r");
	50	if (!mailname) {
	51	if (errno != ENOENT)
	52	warning("cannot open /etc/mailname: %s",
	53	strerror(errno));
	54	return -1;
	55	}
8587ead7	56	if (strbuf_getline(buf, mailname, '\n') == EOF) {
8a55caa8 JN	57	if (ferror(mailname))
	58	warning("cannot read /etc/mailname: %s",
	59	strerror(errno));
	60	fclose(mailname);
	61	return -1;
	62	}
	63	/* success! */
	64	fclose(mailname);
	65	return 0;
	66	}
	67
8587ead7	68	static void add_domainname(struct strbuf *out)
8a55caa8	69	{
8587ead7	70	char buf[1024];
8a55caa8	71	struct hostent *he;
8a55caa8	72
8587ead7	73	if (gethostname(buf, sizeof(buf))) {
8a55caa8	74	warning("cannot get host name: %s", strerror(errno));
8587ead7	75	strbuf_addstr(out, "(none)");
8a55caa8 JN	76	return;
8a55caa8 JN	77	}
8587ead7	78	if (strchr(buf, '.'))
f8254d32 JK	79	strbuf_addstr(out, buf);
	80	else if ((he = gethostbyname(buf)) && strchr(he->h_name, '.'))
	81	strbuf_addstr(out, he->h_name);
8a55caa8	82	else
f8254d32	83	strbuf_addf(out, "%s.(none)", buf);
8a55caa8 JN	84	}
8a55caa8 JN	85
8587ead7	86	static void copy_email(const struct passwd pw, struct strbuf email)
6aa33f40	87	{
01754769 JH	88	/*
	89	* Make up a fake email address
	90	* (name + '@' + hostname [+ '.' + domainname])
	91	*/
8587ead7 JK	92	strbuf_addstr(email, pw->pw_name);
	93	strbuf_addch(email, '@');
	94
	95	if (!add_mailname_host(email))
8a55caa8	96	return; /* read from "/etc/mailname" (Debian) */
8587ead7	97	add_domainname(email);
01754769 JH	98	}
01754769 JH	99
dad148c3	100	static const char *ident_default_name(void)
01754769	101	{
be641abd	102	if (!git_default_name.len) {
2f705875	103	copy_gecos(xgetpwuid_self(), &git_default_name);
be641abd	104	strbuf_trim(&git_default_name);
01754769	105	}
8587ead7	106	return git_default_name.buf;
bcb2b004	107	}
01754769	108
bcb2b004 JK	109	const char *ident_default_email(void)
bcb2b004 JK	110	{
8587ead7	111	if (!git_default_email.len) {
46f74f00 MK	112	const char *email = getenv("EMAIL");
46f74f00 MK	113
99178c83	114	if (email && email[0]) {
8587ead7	115	strbuf_addstr(&git_default_email, email);
99178c83	116	user_ident_explicitly_given \|= IDENT_MAIL_GIVEN;
2f705875 JK	117	} else
2f705875 JK	118	copy_email(xgetpwuid_self(), &git_default_email);
be641abd	119	strbuf_trim(&git_default_email);
01754769	120	}
8587ead7	121	return git_default_email.buf;
6aa33f40 LT	122	}
6aa33f40 LT	123
dad148c3	124	static const char *ident_default_date(void)
6aa33f40	125	{
01754769 JH	126	if (!git_default_date[0])
01754769 JH	127	datestamp(git_default_date, sizeof(git_default_date));
bcb2b004	128	return git_default_date;
6aa33f40 LT	129	}
	130
	131	static int crud(unsigned char c)
	132	{
f64c81d4 AR	133	return c <= 32 \|\|
	134	c == '.' \|\|
	135	c == ',' \|\|
	136	c == ':' \|\|
	137	c == ';' \|\|
	138	c == '<' \|\|
	139	c == '>' \|\|
	140	c == '"' \|\|
d404bf02	141	c == '\\' \|\|
f64c81d4	142	c == '\'';
6aa33f40 LT	143	}
	144
	145	/*
	146	* Copy over a string to the destination, but avoid special
	147	* characters ('\n', '<' and '>') and remove crud at the end
	148	*/
c96f0c8d	149	static void strbuf_addstr_without_crud(struct strbuf sb, const char src)
6aa33f40	150	{
b0732115	151	size_t i, len;
6aa33f40 LT	152	unsigned char c;
	153
	154	/* Remove crud from the beginning.. */
	155	while ((c = *src) != 0) {
	156	if (!crud(c))
	157	break;
	158	src++;
	159	}
	160
	161	/* Remove crud from the end.. */
	162	len = strlen(src);
	163	while (len > 0) {
	164	c = src[len-1];
	165	if (!crud(c))
	166	break;
	167	--len;
	168	}
	169
	170	/*
	171	* Copy the rest to the buffer, but avoid the special
82f9d58a	172	* characters '\n' '<' and '>' that act as delimiters on
c96f0c8d JK	173	* an identification line. We can only remove crud, never add it,
c96f0c8d JK	174	* so 'len' is our maximum.
6aa33f40	175	*/
c96f0c8d	176	strbuf_grow(sb, len);
6aa33f40 LT	177	for (i = 0; i < len; i++) {
	178	c = *src++;
	179	switch (c) {
	180	case '\n': case '<': case '>':
	181	continue;
	182	}
c96f0c8d	183	sb->buf[sb->len++] = c;
6aa33f40	184	}
c96f0c8d	185	sb->buf[sb->len] = '\0';
6aa33f40 LT	186	}
6aa33f40 LT	187
4b340cfa JH	188	/*
	189	* Reverse of fmt_ident(); given an ident line, split the fields
	190	* to allow the caller to parse it.
	191	* Signal a success by returning 0, but date/tz fields of the result
	192	* can still be NULL if the input line only has the name/email part
	193	* (e.g. reading from a reflog entry).
	194	*/
	195	int split_ident_line(struct ident_split split, const char line, int len)
	196	{
	197	const char *cp;
	198	size_t span;
	199	int status = -1;
	200
	201	memset(split, 0, sizeof(*split));
	202
	203	split->name_begin = line;
	204	for (cp = line; *cp && cp < line + len; cp++)
	205	if (*cp == '<') {
	206	split->mail_begin = cp + 1;
	207	break;
	208	}
	209	if (!split->mail_begin)
	210	return status;
	211
d9955fd6	212	for (cp = split->mail_begin - 2; line <= cp; cp--)
4b340cfa JH	213	if (!isspace(*cp)) {
	214	split->name_end = cp + 1;
	215	break;
	216	}
e27ddb64 JH	217	if (!split->name_end) {
	218	/* no human readable name */
	219	split->name_end = split->name_begin;
	220	}
4b340cfa JH	221
	222	for (cp = split->mail_begin; cp < line + len; cp++)
	223	if (*cp == '>') {
	224	split->mail_end = cp;
	225	break;
	226	}
	227	if (!split->mail_end)
	228	return status;
	229
	230	for (cp = split->mail_end + 1; cp < line + len && isspace(*cp); cp++)
	231	;
	232	if (line + len <= cp)
	233	goto person_only;
	234	split->date_begin = cp;
	235	span = strspn(cp, "0123456789");
	236	if (!span)
	237	goto person_only;
	238	split->date_end = split->date_begin + span;
	239	for (cp = split->date_end; cp < line + len && isspace(*cp); cp++)
	240	;
	241	if (line + len <= cp \|\| (cp != '+' && cp != '-'))
	242	goto person_only;
	243	split->tz_begin = cp;
	244	span = strspn(cp + 1, "0123456789");
	245	if (!span)
	246	goto person_only;
	247	split->tz_end = split->tz_begin + 1 + span;
	248	return 0;
	249
	250	person_only:
	251	split->date_begin = NULL;
	252	split->date_end = NULL;
	253	split->tz_begin = NULL;
	254	split->tz_end = NULL;
	255	return 0;
	256	}
	257
749be728	258	static const char *env_hint =
d5cc2de9	259	"\n"
6c293d40	260	"*** Please tell me who you are.\n"
d5cc2de9 HWN	261	"\n"
	262	"Run\n"
	263	"\n"
8e7425da	264	" git config --global user.email \"you@example.com\"\n"
180787c4	265	" git config --global user.name \"Your Name\"\n"
d5cc2de9	266	"\n"
180787c4 SP	267	"to set your account\'s default identity.\n"
180787c4 SP	268	"Omit --global to set the identity only in this repository.\n"
d5cc2de9	269	"\n";
749be728	270
774751a8 JH	271	const char fmt_ident(const char name, const char *email,
774751a8 JH	272	const char *date_str, int flag)
6aa33f40	273	{
c96f0c8d	274	static struct strbuf ident = STRBUF_INIT;
6aa33f40	275	char date[50];
f9bc573f	276	int strict = (flag & IDENT_STRICT);
359b27ad	277	int want_date = !(flag & IDENT_NO_DATE);
c15e1987	278	int want_name = !(flag & IDENT_NO_NAME);
6aa33f40	279
c15e1987	280	if (want_name && !name)
bcb2b004 JK	281	name = ident_default_name();
	282	if (!email)
	283	email = ident_default_email();
dfdd309e	284
c15e1987	285	if (want_name && !*name) {
cb280e10 JH	286	struct passwd *pw;
cb280e10 JH	287
f9bc573f	288	if (strict) {
8587ead7	289	if (name == git_default_name.buf)
b9f0ac17	290	fputs(env_hint, stderr);
b00f6cfc	291	die("empty ident name (for <%s>) not allowed", email);
749be728	292	}
2f705875	293	pw = xgetpwuid_self();
060d4bb3	294	name = pw->pw_name;
749be728	295	}
dfdd309e	296
8c5b1ae1 JK	297	if (strict && email == git_default_email.buf &&
	298	strstr(email, "(none)")) {
	299	fputs(env_hint, stderr);
	300	die("unable to auto-detect email address (got '%s')", email);
749be728	301	}
dfdd309e	302
359b27ad JK	303	if (want_date) {
	304	if (date_str && date_str[0]) {
	305	if (parse_date(date_str, date, sizeof(date)) < 0)
	306	die("invalid date format: %s", date_str);
	307	}
	308	else
	309	strcpy(date, ident_default_date());
4579bb41	310	}
6aa33f40	311
c96f0c8d	312	strbuf_reset(&ident);
c15e1987 JK	313	if (want_name) {
	314	strbuf_addstr_without_crud(&ident, name);
	315	strbuf_addstr(&ident, " <");
d9ccfe77	316	}
c96f0c8d	317	strbuf_addstr_without_crud(&ident, email);
c15e1987 JK	318	if (want_name)
c15e1987 JK	319	strbuf_addch(&ident, '>');
359b27ad	320	if (want_date) {
c96f0c8d JK	321	strbuf_addch(&ident, ' ');
c96f0c8d JK	322	strbuf_addstr_without_crud(&ident, date);
d9ccfe77	323	}
c96f0c8d	324	return ident.buf;
6aa33f40	325	}
d289d136	326
d9ccfe77 JH	327	const char fmt_name(const char name, const char *email)
d9ccfe77 JH	328	{
f9bc573f	329	return fmt_ident(name, email, NULL, IDENT_STRICT \| IDENT_NO_DATE);
d9ccfe77 JH	330	}
d9ccfe77 JH	331
774751a8	332	const char *git_author_info(int flag)
d289d136	333	{
798123af	334	return fmt_ident(getenv("GIT_AUTHOR_NAME"),
c7d77dab	335	getenv("GIT_AUTHOR_EMAIL"),
749be728	336	getenv("GIT_AUTHOR_DATE"),
774751a8	337	flag);
d289d136 EB	338	}
d289d136 EB	339
774751a8	340	const char *git_committer_info(int flag)
d289d136	341	{
91c38a21 JH	342	if (getenv("GIT_COMMITTER_NAME"))
	343	user_ident_explicitly_given \|= IDENT_NAME_GIVEN;
	344	if (getenv("GIT_COMMITTER_EMAIL"))
	345	user_ident_explicitly_given \|= IDENT_MAIL_GIVEN;
798123af	346	return fmt_ident(getenv("GIT_COMMITTER_NAME"),
c7d77dab	347	getenv("GIT_COMMITTER_EMAIL"),
749be728	348	getenv("GIT_COMMITTER_DATE"),
774751a8	349	flag);
d289d136	350	}
5aeb3a3a JH	351
	352	int user_ident_sufficiently_given(void)
	353	{
	354	#ifndef WINDOWS
	355	return (user_ident_explicitly_given & IDENT_MAIL_GIVEN);
	356	#else
	357	return (user_ident_explicitly_given == IDENT_ALL_GIVEN);
	358	#endif
	359	}
9597921b JK	360
	361	int git_ident_config(const char var, const char value, void *data)
	362	{
	363	if (!strcmp(var, "user.name")) {
	364	if (!value)
	365	return config_error_nonbool(var);
8587ead7 JK	366	strbuf_reset(&git_default_name);
8587ead7 JK	367	strbuf_addstr(&git_default_name, value);
9597921b JK	368	user_ident_explicitly_given \|= IDENT_NAME_GIVEN;
	369	return 0;
	370	}
	371
	372	if (!strcmp(var, "user.email")) {
	373	if (!value)
	374	return config_error_nonbool(var);
8587ead7 JK	375	strbuf_reset(&git_default_email);
8587ead7 JK	376	strbuf_addstr(&git_default_email, value);
9597921b JK	377	user_ident_explicitly_given \|= IDENT_MAIL_GIVEN;
	378	return 0;
	379	}
	380
	381	return 0;
	382	}