*/
#include "cache.h"
-#include <pwd.h>
-#include <netdb.h>
-
static char git_default_date[50];
-static void copy_gecos(struct passwd *w, char *name, int sz)
+static void copy_gecos(const struct passwd *w, char *name, size_t sz)
{
char *src, *dst;
- int len, nlen;
+ size_t len, nlen;
nlen = strlen(w->pw_name);
}
-int setup_ident(void)
+static void copy_email(const struct passwd *pw)
{
- int len;
- struct passwd *pw = getpwuid(getuid());
-
- if (!pw)
- die("You don't exist. Go away!");
-
- /* Get the name ("gecos") */
- copy_gecos(pw, git_default_name, sizeof(git_default_name));
-
- /* Make up a fake email address (name + '@' + hostname [+ '.' + domainname]) */
- len = strlen(pw->pw_name);
+ /*
+ * Make up a fake email address
+ * (name + '@' + hostname [+ '.' + domainname])
+ */
+ size_t len = strlen(pw->pw_name);
if (len > sizeof(git_default_email)/2)
die("Your sysadmin must hate you!");
memcpy(git_default_email, pw->pw_name, len);
len = strlen(git_default_email);
git_default_email[len++] = '.';
if (he && (domainname = strchr(he->h_name, '.')))
- strlcpy(git_default_email + len, domainname + 1, sizeof(git_default_email) - len);
+ strlcpy(git_default_email + len, domainname + 1,
+ sizeof(git_default_email) - len);
else
- strlcpy(git_default_email + len, "(none)", sizeof(git_default_email) - len);
+ strlcpy(git_default_email + len, "(none)",
+ sizeof(git_default_email) - len);
+ }
+}
+
+static void setup_ident(void)
+{
+ struct passwd *pw = NULL;
+
+ /* Get the name ("gecos") */
+ if (!git_default_name[0]) {
+ pw = getpwuid(getuid());
+ if (!pw)
+ die("You don't exist. Go away!");
+ copy_gecos(pw, git_default_name, sizeof(git_default_name));
}
+
+ if (!git_default_email[0]) {
+ const char *email = getenv("EMAIL");
+
+ if (email && email[0])
+ strlcpy(git_default_email, email,
+ sizeof(git_default_email));
+ else {
+ if (!pw)
+ pw = getpwuid(getuid());
+ if (!pw)
+ die("You don't exist. Go away!");
+ copy_email(pw);
+ }
+ }
+
/* And set the default date */
- datestamp(git_default_date, sizeof(git_default_date));
- return 0;
+ if (!git_default_date[0])
+ datestamp(git_default_date, sizeof(git_default_date));
}
-static int add_raw(char *buf, int size, int offset, const char *str)
+static int add_raw(char *buf, size_t size, int offset, const char *str)
{
- int len = strlen(str);
+ size_t len = strlen(str);
if (offset + len > size)
return size;
memcpy(buf + offset, str, len);
static int crud(unsigned char c)
{
- static char crud_array[256];
- static int crud_array_initialized = 0;
-
- if (!crud_array_initialized) {
- int k;
-
- for (k = 0; k <= 31; ++k) crud_array[k] = 1;
- crud_array[' '] = 1;
- crud_array['.'] = 1;
- crud_array[','] = 1;
- crud_array[':'] = 1;
- crud_array[';'] = 1;
- crud_array['<'] = 1;
- crud_array['>'] = 1;
- crud_array['"'] = 1;
- crud_array['\''] = 1;
- crud_array_initialized = 1;
- }
- return crud_array[c];
+ return c <= 32 ||
+ 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, int size, int offset, const char *src)
+static int copy(char *buf, size_t size, int offset, const char *src)
{
- int i, len;
+ size_t i, len;
unsigned char c;
/* Remove crud from the beginning.. */
/*
* Copy the rest to the buffer, but avoid the special
* characters '\n' '<' and '>' that act as delimiters on
- * a identification line
+ * an identification line
*/
for (i = 0; i < len; i++) {
c = *src++;
static const char au_env[] = "GIT_AUTHOR_NAME";
static const char co_env[] = "GIT_COMMITTER_NAME";
static const char *env_hint =
-"\n*** Environment problem:\n"
+"\n"
"*** Your name cannot be determined from your system services (gecos).\n"
-"*** You would need to set %s and %s\n"
-"*** environment variables; otherwise you won't be able to perform\n"
-"*** certain operations because of \"empty ident\" errors.\n"
-"*** Alternatively, you can use user.name configuration variable.\n\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";
-static const char *get_ident(const char *name, const char *email,
- const char *date_str, int error_on_no_name)
+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 warn_on_no_name = (flag & IDENT_WARN_ON_NO_NAME);
+ int name_addr_only = (flag & IDENT_NO_DATE);
+ setup_ident();
if (!name)
name = git_default_name;
if (!email)
email = git_default_email;
if (!*name) {
- if (name == git_default_name && env_hint) {
+ struct passwd *pw;
+
+ if ((warn_on_no_name || error_on_no_name) &&
+ name == git_default_name && env_hint) {
fprintf(stderr, env_hint, au_env, co_env);
env_hint = NULL; /* warn only once, for "git-var -l" */
}
if (error_on_no_name)
die("empty ident %s <%s> not allowed", name, email);
+ pw = getpwuid(getuid());
+ if (!pw)
+ die("You don't exist. Go away!");
+ strlcpy(git_default_name, pw->pw_name,
+ sizeof(git_default_name));
+ name = git_default_name;
}
strcpy(date, git_default_date);
- if (date_str)
+ if (!name_addr_only && date_str)
parse_date(date_str, date, sizeof(date));
i = copy(buffer, sizeof(buffer), 0, name);
i = add_raw(buffer, sizeof(buffer), i, " <");
i = copy(buffer, sizeof(buffer), i, email);
- i = add_raw(buffer, sizeof(buffer), i, "> ");
- i = copy(buffer, sizeof(buffer), i, date);
+ 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 *git_author_info(int error_on_no_name)
+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 get_ident(getenv("GIT_AUTHOR_NAME"),
+ return fmt_ident(getenv("GIT_AUTHOR_NAME"),
getenv("GIT_AUTHOR_EMAIL"),
getenv("GIT_AUTHOR_DATE"),
- error_on_no_name);
+ flag);
}
-const char *git_committer_info(int error_on_no_name)
+const char *git_committer_info(int flag)
{
- return get_ident(getenv("GIT_COMMITTER_NAME"),
+ return fmt_ident(getenv("GIT_COMMITTER_NAME"),
getenv("GIT_COMMITTER_EMAIL"),
getenv("GIT_COMMITTER_DATE"),
- error_on_no_name);
+ flag);
}