t7501: add test of "commit --dry-run --short"

diff --git a/ident.c b/ident.c
index ac4ae02b485637002869b3fc7a78033d7a5b6aec..327abe557f5a66546665664511d3e71b7f0929e7 100644 (file)
--- a/ident.c
+++ b/ident.c
@@ -6,6 +6,7 @@
  * Copyright (C) 2005 Linus Torvalds
  */
 #include "cache.h"
+#include "config.h"
 
 static struct strbuf git_default_name = STRBUF_INIT;
 static struct strbuf git_default_email = STRBUF_INIT;
@@ -72,12 +73,10 @@ static int add_mailname_host(struct strbuf *buf)
        FILE *mailname;
        struct strbuf mailnamebuf = STRBUF_INIT;
 
-       mailname = fopen("/etc/mailname", "r");
-       if (!mailname) {
-               if (errno != ENOENT)
-                       warning_errno("cannot open /etc/mailname");
+       mailname = fopen_or_warn("/etc/mailname", "r");
+       if (!mailname)
                return -1;
-       }
+
        if (strbuf_getline(&mailnamebuf, mailname) == EOF) {
                if (ferror(mailname))
                        warning_errno("cannot read /etc/mailname");
@@ -120,9 +119,9 @@ static int canonical_name(const char *host, struct strbuf *out)
 
 static void add_domainname(struct strbuf *out, int *is_bogus)
 {
-       char buf[1024];
+       char buf[HOST_NAME_MAX + 1];
 
-       if (gethostname(buf, sizeof(buf))) {
+       if (xgethostname(buf, sizeof(buf))) {
                warning_errno("cannot get host name");
                strbuf_addstr(out, "(none)");
                *is_bogus = 1;
@@ -153,7 +152,7 @@ static void copy_email(const struct passwd *pw, struct strbuf *email,
 
 const char *ident_default_name(void)
 {
-       if (!git_default_name.len) {
+       if (!(ident_config_given & IDENT_NAME_GIVEN) && !git_default_name.len) {
                copy_gecos(xgetpwuid_self(&default_name_is_bogus), &git_default_name);
                strbuf_trim(&git_default_name);
        }
@@ -162,7 +161,7 @@ const char *ident_default_name(void)
 
 const char *ident_default_email(void)
 {
-       if (!git_default_email.len) {
+       if (!(ident_config_given & IDENT_MAIL_GIVEN) && !git_default_email.len) {
                const char *email = getenv("EMAIL");
 
                if (email && email[0]) {
@@ -203,6 +202,15 @@ static int crud(unsigned char c)
                c == '\'';
 }
 
+static int has_non_crud(const char *str)
+{
+       for (; *str; str++) {
+               if (!crud(*str))
+                       return 1;
+       }
+       return 0;
+}
+
 /*
  * Copy over a string to the destination, but avoid special
  * characters ('\n', '<' and '>') and remove crud at the end
@@ -351,19 +359,32 @@ const char *fmt_ident(const char *name, const char *email,
        int want_date = !(flag & IDENT_NO_DATE);
        int want_name = !(flag & IDENT_NO_NAME);
 
+       if (!email) {
+               if (strict && ident_use_config_only
+                   && !(ident_config_given & IDENT_MAIL_GIVEN)) {
+                       fputs(_(env_hint), stderr);
+                       die(_("no email was given and auto-detection is disabled"));
+               }
+               email = ident_default_email();
+               if (strict && default_email_is_bogus) {
+                       fputs(_(env_hint), stderr);
+                       die(_("unable to auto-detect email address (got '%s')"), email);
+               }
+       }
+
        if (want_name) {
                int using_default = 0;
                if (!name) {
                        if (strict && ident_use_config_only
                            && !(ident_config_given & IDENT_NAME_GIVEN)) {
                                fputs(_(env_hint), stderr);
-                               die("no name was given and auto-detection is disabled");
+                               die(_("no name was given and auto-detection is disabled"));
                        }
                        name = ident_default_name();
                        using_default = 1;
                        if (strict && default_name_is_bogus) {
                                fputs(_(env_hint), stderr);
-                               die("unable to auto-detect name (got '%s')", name);
+                               die(_("unable to auto-detect name (got '%s')"), name);
                        }
                }
                if (!*name) {
@@ -371,24 +392,13 @@ const char *fmt_ident(const char *name, const char *email,
                        if (strict) {
                                if (using_default)
                                        fputs(_(env_hint), stderr);
-                               die("empty ident name (for <%s>) not allowed", email);
+                               die(_("empty ident name (for <%s>) not allowed"), email);
                        }
                        pw = xgetpwuid_self(NULL);
                        name = pw->pw_name;
                }
-       }
-
-       if (!email) {
-               if (strict && ident_use_config_only
-                   && !(ident_config_given & IDENT_MAIL_GIVEN)) {
-                       fputs(_(env_hint), stderr);
-                       die("no email was given and auto-detection is disabled");
-               }
-               email = ident_default_email();
-               if (strict && default_email_is_bogus) {
-                       fputs(_(env_hint), stderr);
-                       die("unable to auto-detect email address (got '%s')", email);
-               }
+               if (strict && !has_non_crud(name))
+                       die(_("name consists only of disallowed characters: %s"), name);
        }
 
        strbuf_reset(&ident);
@@ -403,7 +413,7 @@ const char *fmt_ident(const char *name, const char *email,
                strbuf_addch(&ident, ' ');
                if (date_str && date_str[0]) {
                        if (parse_date(date_str, &ident) < 0)
-                               die("invalid date format: %s", date_str);
+                               die(_("invalid date format: %s"), date_str);
                }
                else
                        strbuf_addstr(&ident, ident_default_date());