[thirdparty/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];
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;
	const char *domainname;

	if (gethostname(buf, sizeof(buf))) {
		warning("cannot get host name: %s", strerror(errno));
		strbuf_addstr(out, "(none)");
		return;
	}
	strbuf_addstr(out, buf);
	if (strchr(buf, '.'))
		return;

	he = gethostbyname(buf);
	strbuf_addch(out, '.');
	if (he && (domainname = strchr(he->h_name, '.')))
		strbuf_addstr(out, domainname + 1);
	else
		strbuf_addstr(out, "(none)");
}

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);
}

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

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 add_raw(char *buf, size_t size, int offset, const char *str)
{
	size_t len = strlen(str);
	if (offset + len > size)
		return size;
	memcpy(buf + offset, str, len);
	return offset + len;
}

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 int copy(char *buf, size_t size, int offset, 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
	 */
	for (i = 0; i < len; i++) {
		c = *src++;
		switch (c) {
		case '\n': case '<': case '>':
			continue;
		}
		if (offset >= size)
			return size;
		buf[offset++] = c;
	}
	return offset;
}

/*
 * 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)
		return status;

	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 char buffer[1000];
	char date[50];
	int i;
	int error_on_no_name = (flag & IDENT_ERROR_ON_NO_NAME);
	int name_addr_only = (flag & IDENT_NO_DATE);

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

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

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

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

	i = copy(buffer, sizeof(buffer), 0, name);
	i = add_raw(buffer, sizeof(buffer), i, " <");
	i = copy(buffer, sizeof(buffer), i, email);
	if (!name_addr_only) {
		i = add_raw(buffer, sizeof(buffer), i,  "> ");
		i = copy(buffer, sizeof(buffer), i, date);
	} else {
		i = add_raw(buffer, sizeof(buffer), i, ">");
	}
	if (i >= sizeof(buffer))
		die("Impossibly long personal identifier");
	buffer[i] = 0;
	return buffer;
}

const char *fmt_name(const char *name, const char *email)
{
	return fmt_ident(name, email, NULL, IDENT_ERROR_ON_NO_NAME | 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];
2d4b4fce	13	int user_ident_explicitly_given;
6aa33f40	14
590e081d RG	15	#ifdef NO_GECOS_IN_PWENT
	16	#define get_gecos(ignored) "&"
	17	#else
	18	#define get_gecos(struct_passwd) ((struct_passwd)->pw_gecos)
	19	#endif
	20
8587ead7	21	static void copy_gecos(const struct passwd w, struct strbuf name)
e9bacb4f	22	{
8587ead7	23	char *src;
e9bacb4f JH	24
	25	/* Traditionally GECOS field had office phone numbers etc, separated
	26	* with commas. Also & stands for capitalized form of the login name.
	27	*/
	28
8587ead7	29	for (src = get_gecos(w); src && src != ','; src++) {
e9bacb4f	30	int ch = *src;
8587ead7 JK	31	if (ch != '&')
	32	strbuf_addch(name, ch);
	33	else {
e9bacb4f	34	/* Sorry, Mr. McDonald... */
8587ead7 JK	35	strbuf_addch(name, toupper(*w->pw_name));
8587ead7 JK	36	strbuf_addstr(name, w->pw_name + 1);
e9bacb4f JH	37	}
e9bacb4f JH	38	}
e9bacb4f JH	39	}
e9bacb4f JH	40
8587ead7	41	static int add_mailname_host(struct strbuf *buf)
8a55caa8 JN	42	{
	43	FILE *mailname;
	44
	45	mailname = fopen("/etc/mailname", "r");
	46	if (!mailname) {
	47	if (errno != ENOENT)
	48	warning("cannot open /etc/mailname: %s",
	49	strerror(errno));
	50	return -1;
	51	}
8587ead7	52	if (strbuf_getline(buf, mailname, '\n') == EOF) {
8a55caa8 JN	53	if (ferror(mailname))
	54	warning("cannot read /etc/mailname: %s",
	55	strerror(errno));
	56	fclose(mailname);
	57	return -1;
	58	}
	59	/* success! */
	60	fclose(mailname);
	61	return 0;
	62	}
	63
8587ead7	64	static void add_domainname(struct strbuf *out)
8a55caa8	65	{
8587ead7	66	char buf[1024];
8a55caa8	67	struct hostent *he;
8a55caa8 JN	68	const char *domainname;
8a55caa8 JN	69
8587ead7	70	if (gethostname(buf, sizeof(buf))) {
8a55caa8	71	warning("cannot get host name: %s", strerror(errno));
8587ead7	72	strbuf_addstr(out, "(none)");
8a55caa8 JN	73	return;
8a55caa8 JN	74	}
8587ead7 JK	75	strbuf_addstr(out, buf);
8587ead7 JK	76	if (strchr(buf, '.'))
8a55caa8 JN	77	return;
	78
	79	he = gethostbyname(buf);
8587ead7	80	strbuf_addch(out, '.');
8a55caa8	81	if (he && (domainname = strchr(he->h_name, '.')))
8587ead7	82	strbuf_addstr(out, domainname + 1);
8a55caa8	83	else
8587ead7	84	strbuf_addstr(out, "(none)");
8a55caa8 JN	85	}
8a55caa8 JN	86
8587ead7	87	static void copy_email(const struct passwd pw, struct strbuf email)
6aa33f40	88	{
01754769 JH	89	/*
	90	* Make up a fake email address
	91	* (name + '@' + hostname [+ '.' + domainname])
	92	*/
8587ead7 JK	93	strbuf_addstr(email, pw->pw_name);
	94	strbuf_addch(email, '@');
	95
	96	if (!add_mailname_host(email))
8a55caa8	97	return; /* read from "/etc/mailname" (Debian) */
8587ead7	98	add_domainname(email);
01754769 JH	99	}
01754769 JH	100
bcb2b004	101	const char *ident_default_name(void)
01754769	102	{
2f705875 JK	103	if (!git_default_name.len)
2f705875 JK	104	copy_gecos(xgetpwuid_self(), &git_default_name);
8587ead7	105	return git_default_name.buf;
bcb2b004	106	}
01754769	107
bcb2b004 JK	108	const char *ident_default_email(void)
bcb2b004 JK	109	{
8587ead7	110	if (!git_default_email.len) {
46f74f00 MK	111	const char *email = getenv("EMAIL");
46f74f00 MK	112
99178c83	113	if (email && email[0]) {
8587ead7	114	strbuf_addstr(&git_default_email, email);
99178c83	115	user_ident_explicitly_given \|= IDENT_MAIL_GIVEN;
2f705875 JK	116	} else
2f705875 JK	117	copy_email(xgetpwuid_self(), &git_default_email);
01754769	118	}
8587ead7	119	return git_default_email.buf;
bcb2b004	120	}
01754769	121
bcb2b004 JK	122	const char *ident_default_date(void)
bcb2b004 JK	123	{
01754769 JH	124	if (!git_default_date[0])
01754769 JH	125	datestamp(git_default_date, sizeof(git_default_date));
bcb2b004	126	return git_default_date;
6aa33f40 LT	127	}
6aa33f40 LT	128
b0732115	129	static int add_raw(char buf, size_t size, int offset, const char str)
6aa33f40	130	{
b0732115	131	size_t len = strlen(str);
6aa33f40 LT	132	if (offset + len > size)
	133	return size;
	134	memcpy(buf + offset, str, len);
	135	return offset + len;
	136	}
	137
	138	static int crud(unsigned char c)
	139	{
f64c81d4 AR	140	return c <= 32 \|\|
	141	c == '.' \|\|
	142	c == ',' \|\|
	143	c == ':' \|\|
	144	c == ';' \|\|
	145	c == '<' \|\|
	146	c == '>' \|\|
	147	c == '"' \|\|
d404bf02	148	c == '\\' \|\|
f64c81d4	149	c == '\'';
6aa33f40 LT	150	}
	151
	152	/*
	153	* Copy over a string to the destination, but avoid special
	154	* characters ('\n', '<' and '>') and remove crud at the end
	155	*/
b0732115	156	static int copy(char buf, size_t size, int offset, const char src)
6aa33f40	157	{
b0732115	158	size_t i, len;
6aa33f40 LT	159	unsigned char c;
	160
	161	/* Remove crud from the beginning.. */
	162	while ((c = *src) != 0) {
	163	if (!crud(c))
	164	break;
	165	src++;
	166	}
	167
	168	/* Remove crud from the end.. */
	169	len = strlen(src);
	170	while (len > 0) {
	171	c = src[len-1];
	172	if (!crud(c))
	173	break;
	174	--len;
	175	}
	176
	177	/*
	178	* Copy the rest to the buffer, but avoid the special
82f9d58a	179	* characters '\n' '<' and '>' that act as delimiters on
790296fd	180	* an identification line
6aa33f40 LT	181	*/
	182	for (i = 0; i < len; i++) {
	183	c = *src++;
	184	switch (c) {
	185	case '\n': case '<': case '>':
	186	continue;
	187	}
	188	if (offset >= size)
	189	return size;
	190	buf[offset++] = c;
	191	}
	192	return offset;
	193	}
	194
4b340cfa JH	195	/*
	196	* Reverse of fmt_ident(); given an ident line, split the fields
	197	* to allow the caller to parse it.
	198	* Signal a success by returning 0, but date/tz fields of the result
	199	* can still be NULL if the input line only has the name/email part
	200	* (e.g. reading from a reflog entry).
	201	*/
	202	int split_ident_line(struct ident_split split, const char line, int len)
	203	{
	204	const char *cp;
	205	size_t span;
	206	int status = -1;
	207
	208	memset(split, 0, sizeof(*split));
	209
	210	split->name_begin = line;
	211	for (cp = line; *cp && cp < line + len; cp++)
	212	if (*cp == '<') {
	213	split->mail_begin = cp + 1;
	214	break;
	215	}
	216	if (!split->mail_begin)
	217	return status;
	218
	219	for (cp = split->mail_begin - 2; line < cp; cp--)
	220	if (!isspace(*cp)) {
	221	split->name_end = cp + 1;
	222	break;
	223	}
	224	if (!split->name_end)
	225	return status;
	226
	227	for (cp = split->mail_begin; cp < line + len; cp++)
	228	if (*cp == '>') {
	229	split->mail_end = cp;
	230	break;
	231	}
	232	if (!split->mail_end)
	233	return status;
	234
	235	for (cp = split->mail_end + 1; cp < line + len && isspace(*cp); cp++)
	236	;
	237	if (line + len <= cp)
	238	goto person_only;
	239	split->date_begin = cp;
	240	span = strspn(cp, "0123456789");
	241	if (!span)
	242	goto person_only;
	243	split->date_end = split->date_begin + span;
	244	for (cp = split->date_end; cp < line + len && isspace(*cp); cp++)
	245	;
	246	if (line + len <= cp \|\| (cp != '+' && cp != '-'))
	247	goto person_only;
	248	split->tz_begin = cp;
	249	span = strspn(cp + 1, "0123456789");
	250	if (!span)
	251	goto person_only;
	252	split->tz_end = split->tz_begin + 1 + span;
	253	return 0;
	254
	255	person_only:
	256	split->date_begin = NULL;
	257	split->date_end = NULL;
	258	split->tz_begin = NULL;
259	split->tz_end = NULL;
260	return 0;
261	}
262
749be728	263	static const char *env_hint =
d5cc2de9	264	"\n"
6c293d40	265	"*** Please tell me who you are.\n"
d5cc2de9 HWN	266	"\n"
	267	"Run\n"
	268	"\n"
8e7425da	269	" git config --global user.email \"you@example.com\"\n"
180787c4	270	" git config --global user.name \"Your Name\"\n"
d5cc2de9	271	"\n"
180787c4 SP	272	"to set your account\'s default identity.\n"
180787c4 SP	273	"Omit --global to set the identity only in this repository.\n"
d5cc2de9	274	"\n";
749be728	275
774751a8 JH	276	const char fmt_ident(const char name, const char *email,
774751a8 JH	277	const char *date_str, int flag)
6aa33f40 LT	278	{
	279	static char buffer[1000];
	280	char date[50];
	281	int i;
774751a8	282	int error_on_no_name = (flag & IDENT_ERROR_ON_NO_NAME);
774751a8	283	int name_addr_only = (flag & IDENT_NO_DATE);
6aa33f40	284
bcb2b004 JK	285	if (!name)
	286	name = ident_default_name();
	287	if (!email)
	288	email = ident_default_email();
dfdd309e	289
749be728	290	if (!*name) {
cb280e10 JH	291	struct passwd *pw;
cb280e10 JH	292
b9f0ac17	293	if (error_on_no_name) {
8587ead7	294	if (name == git_default_name.buf)
b9f0ac17	295	fputs(env_hint, stderr);
749be728	296	die("empty ident %s <%s> not allowed", name, email);
b9f0ac17	297	}
2f705875	298	pw = xgetpwuid_self();
060d4bb3	299	name = pw->pw_name;
749be728	300	}
dfdd309e	301
bcb2b004	302	strcpy(date, ident_default_date());
4579bb41 JK	303	if (!name_addr_only && date_str && date_str[0]) {
	304	if (parse_date(date_str, date, sizeof(date)) < 0)
	305	die("invalid date format: %s", date_str);
	306	}
6aa33f40 LT	307
	308	i = copy(buffer, sizeof(buffer), 0, name);
	309	i = add_raw(buffer, sizeof(buffer), i, " <");
	310	i = copy(buffer, sizeof(buffer), i, email);
d9ccfe77 JH	311	if (!name_addr_only) {
	312	i = add_raw(buffer, sizeof(buffer), i, "> ");
	313	i = copy(buffer, sizeof(buffer), i, date);
	314	} else {
	315	i = add_raw(buffer, sizeof(buffer), i, ">");
	316	}
6aa33f40 LT	317	if (i >= sizeof(buffer))
	318	die("Impossibly long personal identifier");
	319	buffer[i] = 0;
	320	return buffer;
	321	}
d289d136	322
d9ccfe77 JH	323	const char fmt_name(const char name, const char *email)
d9ccfe77 JH	324	{
774751a8	325	return fmt_ident(name, email, NULL, IDENT_ERROR_ON_NO_NAME \| IDENT_NO_DATE);
d9ccfe77 JH	326	}
d9ccfe77 JH	327
774751a8	328	const char *git_author_info(int flag)
d289d136	329	{
798123af	330	return fmt_ident(getenv("GIT_AUTHOR_NAME"),
c7d77dab	331	getenv("GIT_AUTHOR_EMAIL"),
749be728	332	getenv("GIT_AUTHOR_DATE"),
774751a8	333	flag);
d289d136 EB	334	}
d289d136 EB	335
774751a8	336	const char *git_committer_info(int flag)
d289d136	337	{
91c38a21 JH	338	if (getenv("GIT_COMMITTER_NAME"))
	339	user_ident_explicitly_given \|= IDENT_NAME_GIVEN;
	340	if (getenv("GIT_COMMITTER_EMAIL"))
	341	user_ident_explicitly_given \|= IDENT_MAIL_GIVEN;
798123af	342	return fmt_ident(getenv("GIT_COMMITTER_NAME"),
c7d77dab	343	getenv("GIT_COMMITTER_EMAIL"),
749be728	344	getenv("GIT_COMMITTER_DATE"),
774751a8	345	flag);
d289d136	346	}
5aeb3a3a JH	347
	348	int user_ident_sufficiently_given(void)
	349	{
	350	#ifndef WINDOWS
	351	return (user_ident_explicitly_given & IDENT_MAIL_GIVEN);
	352	#else
	353	return (user_ident_explicitly_given == IDENT_ALL_GIVEN);
	354	#endif
	355	}
9597921b JK	356
	357	int git_ident_config(const char var, const char value, void *data)
	358	{
	359	if (!strcmp(var, "user.name")) {
	360	if (!value)
	361	return config_error_nonbool(var);
8587ead7 JK	362	strbuf_reset(&git_default_name);
8587ead7 JK	363	strbuf_addstr(&git_default_name, value);
9597921b JK	364	user_ident_explicitly_given \|= IDENT_NAME_GIVEN;
	365	return 0;
	366	}
	367
	368	if (!strcmp(var, "user.email")) {
	369	if (!value)
	370	return config_error_nonbool(var);
8587ead7 JK	371	strbuf_reset(&git_default_email);
8587ead7 JK	372	strbuf_addstr(&git_default_email, value);
9597921b JK	373	user_ident_explicitly_given \|= IDENT_MAIL_GIVEN;
	374	return 0;
	375	}
	376
	377	return 0;
	378	}