11 static int use_link = 0;
12 static int use_symlink = 0;
13 static int verbose = 0;
17 static void say(const char *fmt, const char *hex) {
19 fprintf(stderr, fmt, hex);
22 int fetch(unsigned char *sha1)
24 static int object_name_start = -1;
25 static char filename[PATH_MAX];
26 char *hex = sha1_to_hex(sha1);
27 const char *dest_filename = sha1_file_name(sha1);
32 if (object_name_start < 0) {
33 strcpy(filename, path); /* e.g. git.git */
34 strcat(filename, "/objects/");
35 object_name_start = strlen(filename);
37 filename[object_name_start+0] = hex[0];
38 filename[object_name_start+1] = hex[1];
39 filename[object_name_start+2] = '/';
40 strcpy(filename + object_name_start + 3, hex + 2);
41 if (use_link && !link(filename, dest_filename)) {
42 say("Hardlinked %s.\n", hex);
45 if (use_symlink && !symlink(filename, dest_filename)) {
46 say("Symlinked %s.\n", hex);
49 ifd = open(filename, O_RDONLY);
50 if (ifd < 0 || fstat(ifd, &st) < 0) {
52 fprintf(stderr, "Cannot open %s\n", filename);
55 map = mmap(NULL, st.st_size, PROT_READ, MAP_PRIVATE, ifd, 0);
57 if (-1 == (int)(long)map) {
58 fprintf(stderr, "Cannot mmap %s\n", filename);
61 ofd = open(dest_filename, O_WRONLY | O_CREAT | O_EXCL, 0666);
62 status = ((ofd < 0) || (write(ofd, map, st.st_size) != st.st_size));
63 munmap(map, st.st_size);
66 fprintf(stderr, "Cannot write %s (%ld bytes)\n",
67 dest_filename, st.st_size);
69 say("Copied %s.\n", hex);
73 static const char *local_pull_usage =
74 "git-local-pull [-c] [-t] [-a] [-l] [-s] [-v] commit-id path";
76 int main(int argc, char **argv)
81 while (arg < argc && argv[arg][0] == '-') {
82 if (argv[arg][1] == 't')
84 else if (argv[arg][1] == 'c')
86 else if (argv[arg][1] == 'a') {
91 else if (argv[arg][1] == 'l')
93 else if (argv[arg][1] == 's')
95 else if (argv[arg][1] == 'v')
98 usage(local_pull_usage);
102 usage(local_pull_usage);
103 commit_id = argv[arg];
104 path = argv[arg + 1];