return !!rv;
}
+static void *format_subst(const struct commit *commit, const char *format,
+ unsigned long *sizep)
+{
+ unsigned long len = *sizep, result_len = 0;
+ const char *a = format;
+ char *result = NULL;
+
+ for (;;) {
+ const char *b, *c;
+ char *fmt, *formatted = NULL;
+ unsigned long a_len, fmt_len, formatted_len, allocated = 0;
+
+ b = memmem(a, len, "$Format:", 8);
+ if (!b || a + len < b + 9)
+ break;
+ c = memchr(b + 8, '$', len - 8);
+ if (!c)
+ break;
+
+ a_len = b - a;
+ fmt_len = c - b - 8;
+ fmt = xmalloc(fmt_len + 1);
+ memcpy(fmt, b + 8, fmt_len);
+ fmt[fmt_len] = '\0';
+
+ formatted_len = format_commit_message(commit, fmt, &formatted,
+ &allocated);
+ free(fmt);
+ result = xrealloc(result, result_len + a_len + formatted_len);
+ memcpy(result + result_len, a, a_len);
+ memcpy(result + result_len + a_len, formatted, formatted_len);
+ result_len += a_len + formatted_len;
+ len -= c + 1 - a;
+ a = c + 1;
+ }
+
+ if (result && len) {
+ result = xrealloc(result, result_len + len);
+ memcpy(result + result_len, a, len);
+ result_len += len;
+ }
+
+ *sizep = result_len;
+
+ return result;
+}
+
static void *convert_to_archive(const char *path,
const void *src, unsigned long *sizep,
const struct commit *commit)
{
- static struct git_attr *attr_specfile;
+ static struct git_attr *attr_export_subst;
struct git_attr_check check[1];
- char *interpolated = NULL;
- unsigned long allocated = 0;
if (!commit)
return NULL;
- if (!attr_specfile)
- attr_specfile = git_attr("specfile", 8);
+ if (!attr_export_subst)
+ attr_export_subst = git_attr("export-subst", 12);
- check[0].attr = attr_specfile;
+ check[0].attr = attr_export_subst;
if (git_checkattr(path, ARRAY_SIZE(check), check))
return NULL;
if (!ATTR_TRUE(check[0].value))
return NULL;
- *sizep = format_commit_message(commit, src, &interpolated, &allocated);
-
- return interpolated;
+ return format_subst(commit, src, sizep);
}
void *sha1_file_to_archive(const char *path, const unsigned char *sha1,