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Move "get_ack()" back to fetch-pack

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In 41cb7488 Linus moved this function to connect.c for reuse inside
of the git-clone-pack command.  That was 2005, but in 2006 Junio
retired git-clone-pack in commit efc7fa53.  Since then the only
caller has been fetch-pack.  Since this ACK/NAK exchange is only
used by the fetch-pack/upload-pack protocol we should move it back
to be a private detail of fetch-pack.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Shawn O. Pearce 2009-10-30 17:47:24 -07:00 committed by Junio C Hamano
parent edace6f02e
commit 28754ab5f0
3 changed files with 21 additions and 22 deletions
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21
builtin-fetch-pack.c
View File

@ -157,6 +157,27 @@ static const unsigned char *get_rev(void)
return commit->object.sha1;
}
static int get_ack(int fd, unsigned char *result_sha1)
{
static char line[1000];
int len = packet_read_line(fd, line, sizeof(line));
if (!len)
die("git fetch-pack: expected ACK/NAK, got EOF");
if (line[len-1] == '\n')
line[--len] = 0;
if (!strcmp(line, "NAK"))
return 0;
if (!prefixcmp(line, "ACK ")) {
if (!get_sha1_hex(line+4, result_sha1)) {
if (strstr(line+45, "continue"))
return 2;
return 1;
}
}
die("git fetch_pack: expected ACK/NAK, got '%s'", line);
}
static int find_common(int fd[2], unsigned char *result_sha1,
struct ref *refs)
{

1
cache.h
View File

@ -856,7 +856,6 @@ extern struct ref *find_ref_by_name(const struct ref *list, const char *name);
extern struct child_process *git_connect(int fd[2], const char *url, const char *prog, int flags);
extern int finish_connect(struct child_process *conn);
extern int path_match(const char *path, int nr, char **match);
extern int get_ack(int fd, unsigned char *result_sha1);
struct extra_have_objects {
int nr, alloc;
unsigned char (*array)[20];

21
connect.c
View File

@ -107,27 +107,6 @@ int server_supports(const char *feature)
strstr(server_capabilities, feature) != NULL;
}
int get_ack(int fd, unsigned char *result_sha1)
{
static char line[1000];
int len = packet_read_line(fd, line, sizeof(line));
if (!len)
die("git fetch-pack: expected ACK/NAK, got EOF");
if (line[len-1] == '\n')
line[--len] = 0;
if (!strcmp(line, "NAK"))
return 0;
if (!prefixcmp(line, "ACK ")) {
if (!get_sha1_hex(line+4, result_sha1)) {
if (strstr(line+45, "continue"))
return 2;
return 1;
}
}
die("git fetch_pack: expected ACK/NAK, got '%s'", line);
}
int path_match(const char *path, int nr, char **match)
{
int i;