85 lines
2.0 KiB
C
85 lines
2.0 KiB
C
|
#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, "$Format:", 8);
|
||
|
|
if (!b || src + len < b + 9)
|
||
|
|
break;
|
||
|
|
c = memchr(b + 8, '$', len - 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;
|
||
|
|
}
|
||
|
|
|