New test case, fullheader3, with fix (bug #1226985).

Author: twaugh

Makefile.am

@@ -216,7 +216,8 @@ TESTS = tests/newline1/run-test \
 	tests/stdin/run-test \
 	tests/splitdiffD/run-test \
 	tests/fullheader1/run-test \
-	tests/fullheader2/run-test
+	tests/fullheader2/run-test \
+	tests/fullheader3/run-test
 
 # These ones don't work yet.
 # Feel free to send me patches. :-)

src/filterdiff.c

@@ -910,7 +910,7 @@ do_context (FILE *f, char **header, unsigned int num_headers,
 	return ret;
 }
 
-#define MAX_HEADERS 5
+#define MAX_HEADERS 6
 static int filterdiff (FILE *f, const char *patchname)
 {
 	static unsigned long linenum = 1;

tests/fullheader3/run-test

@@ -0,0 +1,22 @@
+#!/bin/sh
+
+# This is a filterdiff(1) testcase.
+# Handle git format-patch output containing remove-file diffs.
+# From: https://bugzilla.redhat.com/show_bug.cgi?id=1226985
+
+. ${top_srcdir-.}/tests/common.sh
+
+cat <<"EOF" > git-output
+diff --git a/a b/a
+deleted file mode 100644
+index 7898192..0000000
+--- a/a
++++ /dev/null
+@@ -1 +0,0 @@
+-a
+EOF
+
+${FILTERDIFF} git-output 2>errors >output || { cat errors; exit 1; }
+[ -s errors ] && { cat errors; exit 1; }
+cmp git-output output || exit 1
+exit 0