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Commit | Line | Data |
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21754264 JH |
1 | /* |
2 | * Copyright (c) 2006 Junio C Hamano | |
3 | */ | |
4 | #include "cache.h" | |
5 | #include "pkt-line.h" | |
6 | #include "exec_cmd.h" | |
7 | #include "builtin.h" | |
8 | ||
9 | static const char upload_tar_usage[] = "git-upload-tar <repo>"; | |
10 | ||
11 | static int nak(const char *reason) | |
12 | { | |
13 | packet_write(1, "NACK %s\n", reason); | |
14 | packet_flush(1); | |
15 | return 1; | |
16 | } | |
17 | ||
18 | int cmd_upload_tar(int argc, const char **argv, char **envp) | |
19 | { | |
20 | int len; | |
21 | const char *dir = argv[1]; | |
22 | char buf[8192]; | |
23 | unsigned char sha1[20]; | |
24 | char *base = NULL; | |
25 | char hex[41]; | |
26 | int ac; | |
27 | const char *av[4]; | |
28 | ||
29 | if (argc != 2) | |
30 | usage(upload_tar_usage); | |
31 | if (strlen(dir) < sizeof(buf)-1) | |
32 | strcpy(buf, dir); /* enter-repo smudges its argument */ | |
33 | else | |
34 | packet_write(1, "NACK insanely long repository name %s\n", dir); | |
35 | if (!enter_repo(buf, 0)) { | |
36 | packet_write(1, "NACK not a git archive %s\n", dir); | |
37 | packet_flush(1); | |
38 | return 1; | |
39 | } | |
40 | ||
41 | len = packet_read_line(0, buf, sizeof(buf)); | |
42 | if (len < 5 || strncmp("want ", buf, 5)) | |
43 | return nak("expected want"); | |
44 | if (buf[len-1] == '\n') | |
45 | buf[--len] = 0; | |
46 | if (get_sha1(buf + 5, sha1)) | |
47 | return nak("expected sha1"); | |
48 | strcpy(hex, sha1_to_hex(sha1)); | |
49 | ||
50 | len = packet_read_line(0, buf, sizeof(buf)); | |
51 | if (len) { | |
52 | if (len < 5 || strncmp("base ", buf, 5)) | |
53 | return nak("expected (optional) base"); | |
54 | if (buf[len-1] == '\n') | |
55 | buf[--len] = 0; | |
56 | base = strdup(buf + 5); | |
57 | len = packet_read_line(0, buf, sizeof(buf)); | |
58 | } | |
59 | if (len) | |
60 | return nak("expected flush"); | |
61 | ||
62 | packet_write(1, "ACK\n"); | |
63 | packet_flush(1); | |
64 | ||
65 | ac = 0; | |
66 | av[ac++] = "tar-tree"; | |
67 | av[ac++] = hex; | |
68 | if (base) | |
69 | av[ac++] = base; | |
70 | av[ac++] = NULL; | |
71 | execv_git_cmd(av); | |
72 | /* should it return that is an error */ | |
73 | return 1; | |
74 | } |