static void *sha1_file_to_archive(const char *path, const unsigned char *sha1,
unsigned int mode, enum object_type *type,
unsigned long *sizep, const struct commit *commit)
{
void *buffer;
buffer = read_sha1_file(sha1, type, sizep);
if (buffer && S_ISREG(mode)) {
struct strbuf buf = STRBUF_INIT;
size_t size = 0;
strbuf_attach(&buf, buffer, *sizep, *sizep + 1);
convert_to_working_tree(path, buf.buf, buf.len, &buf);
if (commit)
format_subst(commit, buf.buf, buf.len, &buf);
buffer = strbuf_detach(&buf, &size);
*sizep = size;
}
return buffer;
}
static int convert_to_archive(const char *path,
const void *src, size_t len,
struct strbuf *buf,
const struct commit *commit)
{
static struct git_attr *attr_export_subst;
struct git_attr_check check[1];
if (!commit)
return 0;
if (!attr_export_subst)
attr_export_subst = git_attr("export-subst", 12);
check[0].attr = attr_export_subst;
if (git_checkattr(path, ARRAY_SIZE(check), check))
return 0;
if (!ATTR_TRUE(check[0].value))
return 0;
format_subst(commit, src, len, buf);
return 1;
}
void *object_file_to_archive(const struct archiver_args *args,
const char *path, const struct object_id *oid,
unsigned int mode, enum object_type *type,
unsigned long *sizep)
{
void *buffer;
const struct commit *commit = args->convert ? args->commit : NULL;
path += args->baselen;
buffer = read_object_file(oid, type, sizep);
if (buffer && S_ISREG(mode)) {
struct strbuf buf = STRBUF_INIT;
size_t size = 0;
strbuf_attach(&buf, buffer, *sizep, *sizep + 1);
convert_to_working_tree(args->repo->index, path, buf.buf, buf.len, &buf);
if (commit)
format_subst(commit, buf.buf, buf.len, &buf);
buffer = strbuf_detach(&buf, &size);
*sizep = size;
}
return buffer;
}
