Skip to content
This repository

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
tag: v1.5.4.1
Fetching contributors…

Octocat-spinner-32-eaf2f5

Cannot retrieve contributors at this time

file 85 lines (69 sloc) 2.015 kb
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84
#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;
}

Something went wrong with that request. Please try again.