Merge branch 'sp/maint-http-backend-die-triggers-die-recursively'
[gitweb.git] / diff.c
diff --git a/diff.c b/diff.c
index dfdfa1a813c345b7653b1743afa75ff15d8c379f..2daa732a360b2e846791156be5ceb33b85b4eac9 100644 (file)
--- a/diff.c
+++ b/diff.c
@@ -2032,7 +2032,7 @@ static int diff_populate_gitlink(struct diff_filespec *s, int size_only)
        char *data = xmalloc(100), *dirty = "";
 
        /* Are we looking at the work tree? */
-       if (!s->sha1_valid && s->dirty_submodule)
+       if (s->dirty_submodule)
                dirty = "-dirty";
 
        len = snprintf(data, 100,
@@ -2628,6 +2628,12 @@ int diff_setup_done(struct diff_options *options)
         */
        if (options->pickaxe)
                DIFF_OPT_SET(options, RECURSIVE);
+       /*
+        * When patches are generated, submodules diffed against the work tree
+        * must be checked for dirtiness too so it can be shown in the output
+        */
+       if (options->output_format & DIFF_FORMAT_PATCH)
+               DIFF_OPT_SET(options, DIRTY_SUBMODULES);
 
        if (options->detect_rename && options->rename_limit < 0)
                options->rename_limit = diff_rename_limit_default;
@@ -3086,7 +3092,8 @@ int diff_unmodified_pair(struct diff_filepair *p)
         * dealing with a change.
         */
        if (one->sha1_valid && two->sha1_valid &&
-           !hashcmp(one->sha1, two->sha1))
+           !hashcmp(one->sha1, two->sha1) &&
+           !one->dirty_submodule && !two->dirty_submodule)
                return 1; /* no change */
        if (!one->sha1_valid && !two->sha1_valid)
                return 1; /* both look at the same file on the filesystem. */
@@ -3221,6 +3228,8 @@ static void diff_resolve_rename_copy(void)
                }
                else if (hashcmp(p->one->sha1, p->two->sha1) ||
                         p->one->mode != p->two->mode ||
+                        p->one->dirty_submodule ||
+                        p->two->dirty_submodule ||
                         is_null_sha1(p->one->sha1))
                        p->status = DIFF_STATUS_MODIFIED;
                else {
@@ -3874,6 +3883,7 @@ static char *run_textconv(const char *pgm, struct diff_filespec *spec,
        const char **arg = argv;
        struct child_process child;
        struct strbuf buf = STRBUF_INIT;
+       int err = 0;
 
        temp = prepare_temp_file(spec->path, spec);
        *arg++ = pgm;
@@ -3884,16 +3894,20 @@ static char *run_textconv(const char *pgm, struct diff_filespec *spec,
        child.use_shell = 1;
        child.argv = argv;
        child.out = -1;
-       if (start_command(&child) != 0 ||
-           strbuf_read(&buf, child.out, 0) < 0 ||
-           finish_command(&child) != 0) {
-               close(child.out);
-               strbuf_release(&buf);
+       if (start_command(&child)) {
                remove_tempfile();
-               error("error running textconv command '%s'", pgm);
                return NULL;
        }
+
+       if (strbuf_read(&buf, child.out, 0) < 0)
+               err = error("error reading from textconv command '%s'", pgm);
        close(child.out);
+
+       if (finish_command(&child) || err) {
+               strbuf_release(&buf);
+               remove_tempfile();
+               return NULL;
+       }
        remove_tempfile();
 
        return strbuf_detach(&buf, outsize);