config: read (but not write) from $XDG_CONFIG_HOME/git/config file

diff --git a/ident.c b/ident.c
index cefb8294c3d559575e9805a9f3e3c4bef891ed7a..443c0751bd1f63c059649f9f7f9174349cc1d270 100644 (file)
--- a/ident.c
+++ b/ident.c
@@ -95,8 +95,10 @@ static void copy_email(const struct passwd *pw, struct strbuf *email)
 
 const char *ident_default_name(void)
 {
-       if (!git_default_name.len)
+       if (!git_default_name.len) {
                copy_gecos(xgetpwuid_self(), &git_default_name);
+               strbuf_trim(&git_default_name);
+       }
        return git_default_name.buf;
 }
 
@@ -110,6 +112,7 @@ const char *ident_default_email(void)
                        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;
 }
@@ -202,7 +205,7 @@ int split_ident_line(struct ident_split *split, const char *line, int len)
        if (!split->mail_begin)
                return status;
 
-       for (cp = split->mail_begin - 2; line < cp; cp--)
+       for (cp = split->mail_begin - 2; line <= cp; cp--)
                if (!isspace(*cp)) {
                        split->name_end = cp + 1;
                        break;
@@ -264,38 +267,51 @@ const char *fmt_ident(const char *name, const char *email,
 {
        static struct strbuf ident = STRBUF_INIT;
        char date[50];
-       int error_on_no_name = (flag & IDENT_ERROR_ON_NO_NAME);
-       int name_addr_only = (flag & IDENT_NO_DATE);
+       int strict = (flag & IDENT_STRICT);
+       int want_date = !(flag & IDENT_NO_DATE);
+       int want_name = !(flag & IDENT_NO_NAME);
 
-       if (!name)
+       if (want_name && !name)
                name = ident_default_name();
        if (!email)
                email = ident_default_email();
 
-       if (!*name) {
+       if (want_name && !*name) {
                struct passwd *pw;
 
-               if (error_on_no_name) {
+               if (strict) {
                        if (name == git_default_name.buf)
                                fputs(env_hint, stderr);
-                       die("empty ident %s <%s> not allowed", name, email);
+                       die("empty ident name (for <%s>) not allowed", 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);
+       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);
-       strbuf_addstr_without_crud(&ident, name);
-       strbuf_addstr(&ident, " <");
+       if (want_name) {
+               strbuf_addstr_without_crud(&ident, name);
+               strbuf_addstr(&ident, " <");
+       }
        strbuf_addstr_without_crud(&ident, email);
-       strbuf_addch(&ident, '>');
-       if (!name_addr_only) {
+       if (want_name)
+                       strbuf_addch(&ident, '>');
+       if (want_date) {
                strbuf_addch(&ident, ' ');
                strbuf_addstr_without_crud(&ident, date);
        }
@@ -304,7 +320,7 @@ const char *fmt_ident(const char *name, const char *email,
 
 const char *fmt_name(const char *name, const char *email)
 {
-       return fmt_ident(name, email, NULL, IDENT_ERROR_ON_NO_NAME | IDENT_NO_DATE);
+       return fmt_ident(name, email, NULL, IDENT_STRICT | IDENT_NO_DATE);
 }
 
 const char *git_author_info(int flag)