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-rw-r--r--builtin-diff.c18
1 files changed, 16 insertions, 2 deletions
diff --git a/builtin-diff.c b/builtin-diff.c
index 8d7a5697f2..7c2a8412fa 100644
--- a/builtin-diff.c
+++ b/builtin-diff.c
@@ -4,6 +4,7 @@
* Copyright (c) 2006 Junio C Hamano
*/
#include "cache.h"
+#include "color.h"
#include "commit.h"
#include "blob.h"
#include "tag.h"
@@ -43,12 +44,17 @@ static void stuff_change(struct diff_options *opt,
tmp_u = old_sha1; old_sha1 = new_sha1; new_sha1 = tmp_u;
tmp_c = old_name; old_name = new_name; new_name = tmp_c;
}
+
+ if (opt->prefix &&
+ (strncmp(old_name, opt->prefix, opt->prefix_length) ||
+ strncmp(new_name, opt->prefix, opt->prefix_length)))
+ return;
+
one = alloc_filespec(old_name);
two = alloc_filespec(new_name);
fill_filespec(one, old_sha1, old_mode);
fill_filespec(two, new_sha1, new_mode);
- /* NEEDSWORK: shouldn't this part of diffopt??? */
diff_queue(&diff_queued_diff, one, two);
}
@@ -204,7 +210,7 @@ int cmd_diff(int argc, const char **argv, const char *prefix)
int ents = 0, blobs = 0, paths = 0;
const char *path = NULL;
struct blobinfo blob[2];
- int nongit = 0;
+ int nongit;
int result = 0;
/*
@@ -229,6 +235,10 @@ int cmd_diff(int argc, const char **argv, const char *prefix)
prefix = setup_git_directory_gently(&nongit);
git_config(git_diff_ui_config);
+
+ if (diff_use_color_default == -1)
+ diff_use_color_default = git_use_color_default;
+
init_revisions(&rev, prefix);
rev.diffopt.skip_stat_unmatch = !!diff_auto_refresh_index;
@@ -241,6 +251,10 @@ int cmd_diff(int argc, const char **argv, const char *prefix)
if (diff_setup_done(&rev.diffopt) < 0)
die("diff_setup_done failed");
}
+ if (rev.diffopt.prefix && nongit) {
+ rev.diffopt.prefix = NULL;
+ rev.diffopt.prefix_length = 0;
+ }
DIFF_OPT_SET(&rev.diffopt, ALLOW_EXTERNAL);
DIFF_OPT_SET(&rev.diffopt, RECURSIVE);