proxmox-mirrors/libgit2
1
0
Fork 0
mirror of https://git.proxmox.com/git/libgit2 synced 2025-11-04 07:09:14 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

fetch: add a generic pack-download function

Browse Source 
Taken mostly from the git transport's version, this can be used by any
transport that takes its pack data from the network.

Signed-off-by: Carlos Martín Nieto <carlos@cmartin.tk>
This commit is contained in:
Carlos Martín Nieto 2011-10-05 20:09:49 +02:00 committed by Vicent Marti
parent 51760bc13d
commit 2c982daa2e
2 changed files with 63 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

58
src/fetch.c
View File

@ -15,6 +15,7 @@
#include "remote.h"
#include "refspec.h"
#include "fetch.h"
#include "netops.h"
static int filter_wants(git_remote *remote)
{
@ -131,3 +132,60 @@ int git_fetch_download_pack(char **out, git_remote *remote)
return remote->transport->download_pack(out, remote->transport, remote->repo);
}
/* Receiving data from a socket and storing it is pretty much the same for git and HTTP */
int git_fetch__download_pack(char **out, const char *buffered, size_t buffered_size,
GIT_SOCKET fd, git_repository *repo)
{
git_filebuf file;
int error;
char buff[1024], path[GIT_PATH_MAX];
static const char suff[] = "/objects/pack/pack-received";
gitno_buffer buf;
git_path_join(path, repo->path_repository, suff);
gitno_buffer_setup(&buf, buff, sizeof(buff), fd);
if (memcmp(buffered, "PACK", strlen("PACK"))) {
return git__throw(GIT_ERROR, "The pack doesn't start with the signature");
}
error = git_filebuf_open(&file, path, GIT_FILEBUF_TEMPORARY);
if (error < GIT_SUCCESS)
goto cleanup;
/* Part of the packfile has been received, don't loose it */
error = git_filebuf_write(&file, buffered, buffered_size);
if (error < GIT_SUCCESS)
goto cleanup;
while (1) {
error = git_filebuf_write(&file, buf.data, buf.offset);
if (error < GIT_SUCCESS)
goto cleanup;
gitno_consume_n(&buf, buf.offset);
error = gitno_recv(&buf);
if (error < GIT_SUCCESS)
goto cleanup;
if (error == 0) /* Orderly shutdown */
break;
}
*out = git__strdup(file.path_lock);
if (*out == NULL) {
error = GIT_ENOMEM;
goto cleanup;
}
/* A bit dodgy, but we need to keep the pack at the temporary path */
error = git_filebuf_commit_at(&file, file.path_lock);
cleanup:
if (error < GIT_SUCCESS)
git_filebuf_cleanup(&file);
return error;
}

5
src/fetch.h
View File

@ -7,7 +7,12 @@
#ifndef INCLUDE_fetch_h__
#define INCLUDE_fetch_h__
#include "netops.h"
int git_fetch_negotiate(git_remote *remote);
int git_fetch_download_pack(char **out, git_remote *remote);
int git_fetch__download_pack(char **out, const char *buffered, size_t buffered_size,
GIT_SOCKET fd, git_repository *repo);
#endif