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[PATCH] Fix diff output take #4.

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This implements the output format suggested by Linus in
<Pine.LNX.4.58.0505161556260.18337@ppc970.osdl.org>, except the
imaginary diff option is spelled "diff --git" with double dashes as
suggested by Matthias Urlichs.

Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Junio C Hamano 2005-05-18 09:10:47 -07:00 committed by Linus Torvalds
parent bf0f910d1d
commit b58f23b38a
2 changed files with 12 additions and 9 deletions
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14
diff.c
View File

@ -83,7 +83,6 @@ static void builtin_diff(const char *name,
struct diff_tempfile *temp)
{
int i, next_at;
const char *git_prefix = "# mode: ";
const char *diff_cmd = "diff -L'%s%s' -L'%s%s'";
const char *diff_arg = "'%s' '%s'||:"; /* "||:" is to return 0 */
const char *input_name_sq[2];
@ -123,15 +122,16 @@ static void builtin_diff(const char *name,
next_at += snprintf(cmd+next_at, cmd_size-next_at,
diff_arg, input_name_sq[0], input_name_sq[1]);
printf("diff --git a/%s b/%s\n", name, name);
if (!path1[0][0])
printf("%s. %s %s\n", git_prefix, temp[1].mode, name);
printf("new file mode %s\n", temp[1].mode);
else if (!path1[1][0])
printf("%s%s . %s\n", git_prefix, temp[0].mode, name);
printf("deleted file mode %s\n", temp[0].mode);
else {
if (strcmp(temp[0].mode, temp[1].mode))
printf("%s%s %s %s\n", git_prefix,
temp[0].mode, temp[1].mode, name);
if (strcmp(temp[0].mode, temp[1].mode)) {
printf("old mode %s\n", temp[0].mode);
printf("new mode %s\n", temp[1].mode);
}
if (strncmp(temp[0].mode, temp[1].mode, 3))
/* we do not run diff between different kind
* of objects.

7
t/t4000-diff-format.sh
View File

@ -26,7 +26,9 @@ test_expect_success \
'git-diff-files -p after editing work tree.' \
'git-diff-files -p >current'
cat >expected <<\EOF
# mode: 100644 100755 path0
diff --git a/path0 b/path0
old mode 100644
new mode 100755
--- a/path0
+++ b/path0
@@ -1,3 +1,3 @@
@ -34,7 +36,8 @@ cat >expected <<\EOF
Line 2
-line 3
+Line 3
# mode: 100755 . path1
diff --git a/path1 b/path1
deleted file mode 100755
--- a/path1
+++ /dev/null
@@ -1,3 +0,0 @@