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authorJunio C Hamano <junkio@cox.net>2005-05-25 16:00:04 -0700
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-05-25 16:06:24 -0700
commit9fdade06739af0b3e27422a973ae4fd83e3c918e (patch)
tree9112544543b2a807d3ca2cce5f6e4e0d6e391f38
parent96716a197658e069557e7615ce2019107d72225e (diff)
downloadgit-9fdade06739af0b3e27422a973ae4fd83e3c918e.tar.gz
[PATCH] Mode only changes from diff.
This fixes another bug. - Mode-only changes were pruned incorrectly from the output. - Added test to catch the above problem. - Normalize rename/copy similarity score in the diff-raw output to per-cent, no matter what scale we internally use. Signed-off-by: Junio C Hamano <junkio@cox.net> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
-rw-r--r--diff-helper.c2
-rw-r--r--diff.c6
-rw-r--r--t/t4006-diff-mode.sh34
3 files changed, 40 insertions, 2 deletions
diff --git a/diff-helper.c b/diff-helper.c
index 4da2614fc6..2dd6bdac33 100644
--- a/diff-helper.c
+++ b/diff-helper.c
@@ -4,6 +4,7 @@
#include "cache.h"
#include "strbuf.h"
#include "diff.h"
+#include "diffcore.h" /* just for MAX_SCORE */
static const char *pickaxe = NULL;
static int line_termination = '\n';
@@ -77,6 +78,7 @@ int main(int ac, const char **av) {
if (status == 'R' || status == 'C') {
two_paths = 1;
sscanf(cp, "%d", &score);
+ score = score * MAX_SCORE / 100;
if (line_termination) {
cp = strchr(cp,
inter_name_termination);
diff --git a/diff.c b/diff.c
index 8e3f495411..dd4b4fffe2 100644
--- a/diff.c
+++ b/diff.c
@@ -517,7 +517,8 @@ static void diff_flush_raw(struct diff_filepair *p,
switch (p->status) {
case 'C': case 'R':
two_paths = 1;
- sprintf(status, "%c%1d", p->status, p->score);
+ sprintf(status, "%c%03d", p->status,
+ (int)(0.5 + p->score * 100.0/MAX_SCORE));
break;
default:
two_paths = 0;
@@ -750,7 +751,8 @@ static void diff_resolve_rename_copy(void)
if (!p->status)
p->status = 'R';
}
- else if (memcmp(p->one->sha1, p->two->sha1, 20))
+ else if (memcmp(p->one->sha1, p->two->sha1, 20) ||
+ p->one->mode != p->two->mode)
p->status = 'M';
else
/* this is a "no-change" entry */
diff --git a/t/t4006-diff-mode.sh b/t/t4006-diff-mode.sh
new file mode 100644
index 0000000000..90fd21ff1f
--- /dev/null
+++ b/t/t4006-diff-mode.sh
@@ -0,0 +1,34 @@
+#!/bin/sh
+#
+# Copyright (c) 2005 Junio C Hamano
+#
+
+test_description='Test mode change diffs.
+
+'
+. ./test-lib.sh
+
+test_expect_success \
+ 'setup' \
+ 'echo frotz >rezrov &&
+ git-update-cache --add rezrov &&
+ tree=`git-write-tree` &&
+ echo $tree'
+
+test_expect_success \
+ 'chmod' \
+ 'chmod +x rezrov &&
+ git-update-cache rezrov &&
+ git-diff-cache $tree >current'
+
+_x40='[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]'
+_x40="$_x40$_x40$_x40$_x40$_x40$_x40$_x40$_x40"
+sed -e 's/\(:100644 100755\) \('"$_x40"'\) \2 /\1 X X /' <current >check
+echo ":100644 100755 X X M rezrov" >expected
+
+test_expect_success \
+ 'verify' \
+ 'diff -u expected check'
+
+test_done
+