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authorJunio C Hamano <junkio@cox.net>2005-07-22 09:56:39 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2005-07-22 10:26:01 -0700
commit8b64647dd9009f52e23e7fdb443b7b8f9502278a (patch)
treeb5bf78e0adb24a14571d4749b79cbad40da3aff4
parentf0b32737ad5a35cc047db47353a75faccfe5939e (diff)
downloadgit-8b64647dd9009f52e23e7fdb443b7b8f9502278a.tar.gz
[PATCH] apply.c: handle incomplete lines correctly.
The parsing code had a bug that failed to recognize an incomplete line at the end of a fragment, and the fragment application code had a comparison bug to recognize such. Fix them to handle incomplete lines correctly. Add a test script for patches with various combinations of complete and incomplete lines to make sure the fix works. Signed-off-by: Junio C Hamano <junkio@cox.net> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
-rw-r--r--apply.c9
-rwxr-xr-xt/t4101-apply-nonl.sh32
2 files changed, 40 insertions, 1 deletions
diff --git a/apply.c b/apply.c
index a3474b788b..c331f9144d 100644
--- a/apply.c
+++ b/apply.c
@@ -679,6 +679,13 @@ static int parse_fragment(char *line, unsigned long size, struct patch *patch, s
break;
}
}
+ /* If a fragment ends with an incomplete line, we failed to include
+ * it in the above loop because we hit oldlines == newlines == 0
+ * before seeing it.
+ */
+ if (12 < size && !memcmp(line, "\\ No newline", 12))
+ offset += linelen(line, size);
+
patch->lines_added += added;
patch->lines_deleted += deleted;
return offset;
@@ -900,7 +907,7 @@ static int apply_one_fragment(struct buffer_desc *desc, struct fragment *frag)
* last one (which is the newline, of course).
*/
plen = len-1;
- if (len > size && patch[len] == '\\')
+ if (len < size && patch[len] == '\\')
plen--;
switch (*patch) {
case ' ':
diff --git a/t/t4101-apply-nonl.sh b/t/t4101-apply-nonl.sh
new file mode 100755
index 0000000000..380ef15a27
--- /dev/null
+++ b/t/t4101-apply-nonl.sh
@@ -0,0 +1,32 @@
+#!/bin/sh
+#
+# Copyright (c) 2005 Junio C Hamano
+#
+
+test_description='git-apply should handle files with incomplete lines.
+
+'
+. ./test-lib.sh
+
+# setup
+
+(echo a; echo b) >frotz.0
+(echo a; echo b; echo c) >frotz.1
+(echo a; echo b | tr -d '\012') >frotz.2
+(echo a; echo c; echo b | tr -d '\012') >frotz.3
+
+for i in 0 1 2 3
+do
+ for j in 0 1 2 3
+ do
+ test $i -eq $j && continue
+ diff -u frotz.$i frotz.$j |
+ sed -e '
+ /^---/s|.*|--- a/frotz|
+ /^+++/s|.*|+++ b/frotz|' >diff.$i-$j
+ cat frotz.$i >frotz
+ test_expect_success \
+ "apply diff between $i and $j" \
+ "git-apply <diff.$i-$j && diff frotz.$j frotz"
+ done
+done