Merge branch 'mergetool' of git://repo.or.cz/git/mergetool into maint

diff --git a/builtin-tag.c b/builtin-tag.c
index d6d38ad123cb0f354a6bd7007eddf8fb1b4d126c..3a9d2eea71434c532bd0fe572bc799c0b91f4f44 100644 (file)
--- a/builtin-tag.c
+++ b/builtin-tag.c
@@ -123,22 +123,15 @@ static int show_reference(const char *refname, const unsigned char *sha1,
 static int list_tags(const char *pattern, int lines)
 {
        struct tag_filter filter;
-       char *newpattern;
 
        if (pattern == NULL)
-               pattern = "";
+               pattern = "*";
 
-       /* prepend/append * to the shell pattern: */
-       newpattern = xmalloc(strlen(pattern) + 3);
-       sprintf(newpattern, "*%s*", pattern);
-
-       filter.pattern = newpattern;
+       filter.pattern = pattern;
        filter.lines = lines;
 
        for_each_tag_ref(show_reference, (void *) &filter);
 
-       free(newpattern);
-
        return 0;
 }
 
@@ -207,6 +200,10 @@ static ssize_t do_sign(char *buffer, size_t size, size_t max)
                        bracket[1] = '\0';
        }
 
+       /* When the username signingkey is bad, program could be terminated
+        * because gpg exits without reading and then write gets SIGPIPE. */
+       signal(SIGPIPE, SIG_IGN);
+
        memset(&gpg, 0, sizeof(gpg));
        gpg.argv = args;
        gpg.in = -1;
@@ -219,12 +216,17 @@ static ssize_t do_sign(char *buffer, size_t size, size_t max)
        if (start_command(&gpg))
                return error("could not run gpg.");
 
-       write_or_die(gpg.in, buffer, size);
+       if (write_in_full(gpg.in, buffer, size) != size) {
+               close(gpg.in);
+               finish_command(&gpg);
+               return error("gpg did not accept the tag data");
+       }
        close(gpg.in);
        gpg.close_in = 0;
        len = read_in_full(gpg.out, buffer + size, max - size);
 
-       finish_command(&gpg);
+       if (finish_command(&gpg) || !len || len < 0)
+               return error("gpg failed to sign the tag");
 
        if (len == max - size)
                return error("could not read the entire signature from gpg.");
@@ -317,9 +319,10 @@ static void create_tag(const unsigned char *object, const char *tag,
        size += header_len;
 
        if (sign) {
-               size = do_sign(buffer, size, max_size);
-               if (size < 0)
+               ssize_t r = do_sign(buffer, size, max_size);
+               if (r < 0)
                        die("unable to sign the tag");
+               size = r;
        }
 
        if (write_sha1_file(buffer, size, tag_type, result) < 0)