Skip to content

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
Fetching contributors…

Cannot retrieve contributors at this time

85 lines (69 sloc) 2.006 kb
#include "cache.h"
#include "commit.h"
#include "attr.h"
static void format_subst(const struct commit *commit,
const char *src, size_t len,
struct strbuf *buf)
{
char *to_free = NULL;
struct strbuf fmt;
if (src == buf->buf)
to_free = strbuf_detach(buf, NULL);
strbuf_init(&fmt, 0);
for (;;) {
const char *b, *c;
b = memmem(src, len, "$Format:", 8);
if (!b)
break;
c = memchr(b + 8, '$', (src + len) - b - 8);
if (!c)
break;
strbuf_reset(&fmt);
strbuf_add(&fmt, b + 8, c - b - 8);
strbuf_add(buf, src, b - src);
format_commit_message(commit, fmt.buf, buf);
len -= c + 1 - src;
src = c + 1;
}
strbuf_add(buf, src, len);
strbuf_release(&fmt);
free(to_free);
}
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 *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;
size_t size = 0;
strbuf_init(&buf, 0);
strbuf_attach(&buf, buffer, *sizep, *sizep + 1);
convert_to_working_tree(path, buf.buf, buf.len, &buf);
convert_to_archive(path, buf.buf, buf.len, &buf, commit);
buffer = strbuf_detach(&buf, &size);
*sizep = size;
}
return buffer;
}
Jump to Line
Something went wrong with that request. Please try again.