Merge branch 'jc/diff' into next

[git.git] / revision.c

diff --git a/revision.c b/revision.c
index 113dd5a..3545df6 100644 (file)
--- a/revision.c
+++ b/revision.c
@@ -664,6 +664,7 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
                        }
                        if (!strcmp(arg, "-c")) {
                                revs->diff = 1;
+                               revs->dense_combined_merges = 0;
                                revs->combine_merges = 1;
                                continue;
                        }
@@ -740,6 +741,11 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
                                include = get_reference(revs, next, sha1, flags);
                                if (!exclude || !include)
                                        die("Invalid revision range %s..%s", arg, next);
+
+                               if (!seen_dashdash) {
+                                       *dotdot = '.';
+                                       verify_non_filename(revs->prefix, arg);
+                               }
                                add_pending_object(revs, exclude, this);
                                add_pending_object(revs, include, next);
                                continue;
@@ -752,20 +758,25 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
                        arg++;
                }
                if (get_sha1(arg, sha1) < 0) {
-                       struct stat st;
                        int j;
 
                        if (seen_dashdash || local_flags)
                                die("bad revision '%s'", arg);
 
-                       /* If we didn't have a "--", all filenames must exist */
-                       for (j = i; j < argc; j++) {
-                               if (lstat(argv[j], &st) < 0)
-                                       die("'%s': %s", argv[j], strerror(errno));
-                       }
+                       /* If we didn't have a "--":
+                        * (1) all filenames must exist;
+                        * (2) all rev-args must not be interpretable
+                        *     as a valid filename.
+                        * but the latter we have checked in the main loop.
+                        */
+                       for (j = i; j < argc; j++)
+                               verify_filename(revs->prefix, argv[j]);
+
                        revs->prune_data = get_pathspec(revs->prefix, argv + i);
                        break;
                }
+               if (!seen_dashdash)
+                       verify_non_filename(revs->prefix, arg);
                object = get_reference(revs, arg, sha1, flags ^ local_flags);
                add_pending_object(revs, object, arg);
        }
@@ -789,7 +800,8 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
        }
        if (revs->combine_merges) {
                revs->ignore_merges = 0;
-               if (revs->dense_combined_merges)
+               if (revs->dense_combined_merges &&
+                   (revs->diffopt.output_format != DIFF_FORMAT_DIFFSTAT))
                        revs->diffopt.output_format = DIFF_FORMAT_PATCH;
        }
        revs->diffopt.abbrev = revs->abbrev;