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Commit | Line | Data |
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92747a90 | 1 | /* |
ae64bbc1 | 2 | * Copyright (c) 2005, 2006 Rene Scharfe |
92747a90 | 3 | */ |
731ab9cc | 4 | #include "cache.h" |
c3f92812 | 5 | #include "commit.h" |
ae64bbc1 | 6 | #include "tar.h" |
56d1398a | 7 | #include "builtin.h" |
fd88d9c8 | 8 | #include "quote.h" |
731ab9cc | 9 | |
21754264 | 10 | static const char tar_tree_usage[] = |
1b1dd23f | 11 | "git tar-tree [--remote=<repo>] <tree-ish> [basedir]\n" |
f18d244a | 12 | "*** Note that this command is now deprecated; use \"git archive\" instead."; |
731ab9cc | 13 | |
e9dd085d JN |
14 | static const char builtin_get_tar_commit_id_usage[] = |
15 | "git get-tar-commit-id < <tarfile>"; | |
16 | ||
fd88d9c8 | 17 | int cmd_tar_tree(int argc, const char **argv, const char *prefix) |
731ab9cc | 18 | { |
fd88d9c8 | 19 | /* |
f18d244a | 20 | * "git tar-tree" is now a wrapper around "git archive --format=tar" |
fd88d9c8 JH |
21 | * |
22 | * $0 --remote=<repo> arg... ==> | |
f18d244a | 23 | * git archive --format=tar --remote=<repo> arg... |
fd88d9c8 | 24 | * $0 tree-ish ==> |
f18d244a | 25 | * git archive --format=tar tree-ish |
fd88d9c8 | 26 | * $0 tree-ish basedir ==> |
f18d244a | 27 | * git archive --format-tar --prefix=basedir tree-ish |
fd88d9c8 JH |
28 | */ |
29 | int i; | |
ba053ea9 | 30 | const char **nargv = xcalloc(sizeof(*nargv), argc + 3); |
fd88d9c8 JH |
31 | char *basedir_arg; |
32 | int nargc = 0; | |
33 | ||
1f5a892e | 34 | nargv[nargc++] = "archive"; |
fd88d9c8 JH |
35 | nargv[nargc++] = "--format=tar"; |
36 | ||
599065a3 | 37 | if (2 <= argc && !prefixcmp(argv[1], "--remote=")) { |
fd88d9c8 JH |
38 | nargv[nargc++] = argv[1]; |
39 | argv++; | |
40 | argc--; | |
731ab9cc | 41 | } |
ba053ea9 NTND |
42 | |
43 | /* | |
44 | * Because it's just a compatibility wrapper, tar-tree supports only | |
45 | * the old behaviour of reading attributes from the work tree. | |
46 | */ | |
47 | nargv[nargc++] = "--worktree-attributes"; | |
48 | ||
fd88d9c8 JH |
49 | switch (argc) { |
50 | default: | |
21754264 | 51 | usage(tar_tree_usage); |
fd88d9c8 JH |
52 | break; |
53 | case 3: | |
54 | /* base-path */ | |
55 | basedir_arg = xmalloc(strlen(argv[2]) + 11); | |
56 | sprintf(basedir_arg, "--prefix=%s/", argv[2]); | |
57 | nargv[nargc++] = basedir_arg; | |
58 | /* fallthru */ | |
59 | case 2: | |
60 | /* tree-ish */ | |
61 | nargv[nargc++] = argv[1]; | |
21754264 | 62 | } |
fd88d9c8 JH |
63 | nargv[nargc] = NULL; |
64 | ||
65 | fprintf(stderr, | |
f18d244a HO |
66 | "*** \"git tar-tree\" is now deprecated.\n" |
67 | "*** Running \"git archive\" instead.\n***"); | |
fd88d9c8 JH |
68 | for (i = 0; i < nargc; i++) { |
69 | fputc(' ', stderr); | |
70 | sq_quote_print(stderr, nargv[i]); | |
71 | } | |
72 | fputc('\n', stderr); | |
73 | return cmd_archive(nargc, nargv, prefix); | |
21754264 | 74 | } |
52ba03cb RS |
75 | |
76 | /* ustar header + extended global header content */ | |
fd88d9c8 | 77 | #define RECORDSIZE (512) |
52ba03cb RS |
78 | #define HEADERSIZE (2 * RECORDSIZE) |
79 | ||
a633fca0 | 80 | int cmd_get_tar_commit_id(int argc, const char **argv, const char *prefix) |
52ba03cb RS |
81 | { |
82 | char buffer[HEADERSIZE]; | |
83 | struct ustar_header *header = (struct ustar_header *)buffer; | |
84 | char *content = buffer + RECORDSIZE; | |
85 | ssize_t n; | |
86 | ||
e9dd085d JN |
87 | if (argc != 1) |
88 | usage(builtin_get_tar_commit_id_usage); | |
89 | ||
93d26e4c | 90 | n = read_in_full(0, buffer, HEADERSIZE); |
52ba03cb | 91 | if (n < HEADERSIZE) |
7e44c935 | 92 | die("git get-tar-commit-id: read error"); |
52ba03cb RS |
93 | if (header->typeflag[0] != 'g') |
94 | return 1; | |
95 | if (memcmp(content, "52 comment=", 11)) | |
96 | return 1; | |
97 | ||
93822c22 | 98 | n = write_in_full(1, content + 11, 41); |
52ba03cb | 99 | if (n < 41) |
0721c314 | 100 | die_errno("git get-tar-commit-id: write error"); |
52ba03cb RS |
101 | |
102 | return 0; | |
103 | } |