mirror of
https://github.com/git/git.git
synced 2024-11-28 12:34:08 +08:00
b4635be7c9
Reporting st.st_size with %ld is simply wrong, as H Peter Anvin says. No other pull drivers report the failure with size anyway, so yank it out. This is a cop-out patch but should be good enough. Signed-off-by: Junio C Hamano <junkio@cox.net>
129 lines
3.0 KiB
C
129 lines
3.0 KiB
C
/*
|
|
* Copyright (C) 2005 Junio C Hamano
|
|
*/
|
|
#include <fcntl.h>
|
|
#include <unistd.h>
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
#include <limits.h>
|
|
#include "cache.h"
|
|
#include "commit.h"
|
|
#include <errno.h>
|
|
#include <stdio.h>
|
|
#include "pull.h"
|
|
|
|
static int use_link = 0;
|
|
static int use_symlink = 0;
|
|
static int use_filecopy = 1;
|
|
|
|
static char *path;
|
|
|
|
int fetch(unsigned char *sha1)
|
|
{
|
|
static int object_name_start = -1;
|
|
static char filename[PATH_MAX];
|
|
char *hex = sha1_to_hex(sha1);
|
|
const char *dest_filename = sha1_file_name(sha1);
|
|
|
|
if (object_name_start < 0) {
|
|
strcpy(filename, path); /* e.g. git.git */
|
|
strcat(filename, "/objects/");
|
|
object_name_start = strlen(filename);
|
|
}
|
|
filename[object_name_start+0] = hex[0];
|
|
filename[object_name_start+1] = hex[1];
|
|
filename[object_name_start+2] = '/';
|
|
strcpy(filename + object_name_start + 3, hex + 2);
|
|
if (use_link) {
|
|
if (!link(filename, dest_filename)) {
|
|
pull_say("link %s\n", hex);
|
|
return 0;
|
|
}
|
|
/* If we got ENOENT there is no point continuing. */
|
|
if (errno == ENOENT) {
|
|
fprintf(stderr, "does not exist %s\n", filename);
|
|
return -1;
|
|
}
|
|
}
|
|
if (use_symlink && !symlink(filename, dest_filename)) {
|
|
pull_say("symlink %s\n", hex);
|
|
return 0;
|
|
}
|
|
if (use_filecopy) {
|
|
int ifd, ofd, status;
|
|
struct stat st;
|
|
void *map;
|
|
ifd = open(filename, O_RDONLY);
|
|
if (ifd < 0 || fstat(ifd, &st) < 0) {
|
|
close(ifd);
|
|
fprintf(stderr, "cannot open %s\n", filename);
|
|
return -1;
|
|
}
|
|
map = mmap(NULL, st.st_size, PROT_READ, MAP_PRIVATE, ifd, 0);
|
|
close(ifd);
|
|
if (-1 == (int)(long)map) {
|
|
fprintf(stderr, "cannot mmap %s\n", filename);
|
|
return -1;
|
|
}
|
|
ofd = open(dest_filename, O_WRONLY | O_CREAT | O_EXCL, 0666);
|
|
status = ((ofd < 0) ||
|
|
(write(ofd, map, st.st_size) != st.st_size));
|
|
munmap(map, st.st_size);
|
|
close(ofd);
|
|
if (status)
|
|
fprintf(stderr, "cannot write %s\n", dest_filename);
|
|
else
|
|
pull_say("copy %s\n", hex);
|
|
return status;
|
|
}
|
|
fprintf(stderr, "failed to copy %s with given copy methods.\n", hex);
|
|
return -1;
|
|
}
|
|
|
|
static const char *local_pull_usage =
|
|
"git-local-pull [-c] [-t] [-a] [-l] [-s] [-n] [-v] commit-id path";
|
|
|
|
/*
|
|
* By default we only use file copy.
|
|
* If -l is specified, a hard link is attempted.
|
|
* If -s is specified, then a symlink is attempted.
|
|
* If -n is _not_ specified, then a regular file-to-file copy is done.
|
|
*/
|
|
int main(int argc, char **argv)
|
|
{
|
|
char *commit_id;
|
|
int arg = 1;
|
|
|
|
while (arg < argc && argv[arg][0] == '-') {
|
|
if (argv[arg][1] == 't')
|
|
get_tree = 1;
|
|
else if (argv[arg][1] == 'c')
|
|
get_history = 1;
|
|
else if (argv[arg][1] == 'a') {
|
|
get_all = 1;
|
|
get_tree = 1;
|
|
get_history = 1;
|
|
}
|
|
else if (argv[arg][1] == 'l')
|
|
use_link = 1;
|
|
else if (argv[arg][1] == 's')
|
|
use_symlink = 1;
|
|
else if (argv[arg][1] == 'n')
|
|
use_filecopy = 0;
|
|
else if (argv[arg][1] == 'v')
|
|
get_verbosely = 1;
|
|
else
|
|
usage(local_pull_usage);
|
|
arg++;
|
|
}
|
|
if (argc < arg + 2)
|
|
usage(local_pull_usage);
|
|
commit_id = argv[arg];
|
|
path = argv[arg + 1];
|
|
|
|
if (pull(commit_id))
|
|
return 1;
|
|
|
|
return 0;
|
|
}
|