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-rw-r--r--commit.c26
1 files changed, 22 insertions, 4 deletions
diff --git a/commit.c b/commit.c
index 27c7226abb..2162a7c572 100644
--- a/commit.c
+++ b/commit.c
@@ -981,14 +981,15 @@ static void add_extra_header(struct strbuf *buffer,
strbuf_addch(buffer, '\n');
}
-struct commit_extra_header *read_commit_extra_headers(struct commit *commit)
+struct commit_extra_header *read_commit_extra_headers(struct commit *commit,
+ const char **exclude)
{
struct commit_extra_header *extra = NULL;
unsigned long size;
enum object_type type;
char *buffer = read_sha1_file(commit->object.sha1, &type, &size);
if (buffer && type == OBJ_COMMIT)
- extra = read_commit_extra_header_lines(buffer, size);
+ extra = read_commit_extra_header_lines(buffer, size, exclude);
free(buffer);
return extra;
}
@@ -1002,7 +1003,23 @@ static inline int standard_header_field(const char *field, size_t len)
(len == 8 && !memcmp(field, "encoding ", 9)));
}
-struct commit_extra_header *read_commit_extra_header_lines(const char *buffer, size_t size)
+static int excluded_header_field(const char *field, size_t len, const char **exclude)
+{
+ if (!exclude)
+ return 0;
+
+ while (*exclude) {
+ size_t xlen = strlen(*exclude);
+ if (len == xlen &&
+ !memcmp(field, *exclude, xlen) && field[xlen] == ' ')
+ return 1;
+ exclude++;
+ }
+ return 0;
+}
+
+struct commit_extra_header *read_commit_extra_header_lines(const char *buffer, size_t size,
+ const char **exclude)
{
struct commit_extra_header *extra = NULL, **tail = &extra, *it = NULL;
const char *line, *next, *eof, *eob;
@@ -1028,7 +1045,8 @@ struct commit_extra_header *read_commit_extra_header_lines(const char *buffer, s
if (next <= eof)
eof = next;
- if (standard_header_field(line, eof - line))
+ if (standard_header_field(line, eof - line) ||
+ excluded_header_field(line, eof - line, exclude))
continue;
it = xcalloc(1, sizeof(*it));