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1 | /* | |
2 | * Copyright (c) 2005, 2006 Rene Scharfe | |
3 | */ | |
4 | #include "cache.h" | |
5 | #include "commit.h" | |
6 | #include "tar.h" | |
7 | #include "builtin.h" | |
8 | #include "quote.h" | |
9 | ||
10 | static const char tar_tree_usage[] = | |
11 | "git-tar-tree [--remote=<repo>] <tree-ish> [basedir]\n" | |
12 | "*** Note that this command is now deprecated; use git-archive instead."; | |
13 | ||
14 | int cmd_tar_tree(int argc, const char **argv, const char *prefix) | |
15 | { | |
16 | /* | |
17 | * git-tar-tree is now a wrapper around git-archive --format=tar | |
18 | * | |
19 | * $0 --remote=<repo> arg... ==> | |
20 | * git-archive --format=tar --remote=<repo> arg... | |
21 | * $0 tree-ish ==> | |
22 | * git-archive --format=tar tree-ish | |
23 | * $0 tree-ish basedir ==> | |
24 | * git-archive --format-tar --prefix=basedir tree-ish | |
25 | */ | |
26 | int i; | |
27 | const char **nargv = xcalloc(sizeof(*nargv), argc + 2); | |
28 | char *basedir_arg; | |
29 | int nargc = 0; | |
30 | ||
31 | nargv[nargc++] = "git-archive"; | |
32 | nargv[nargc++] = "--format=tar"; | |
33 | ||
34 | if (2 <= argc && !prefixcmp(argv[1], "--remote=")) { | |
35 | nargv[nargc++] = argv[1]; | |
36 | argv++; | |
37 | argc--; | |
38 | } | |
39 | switch (argc) { | |
40 | default: | |
41 | usage(tar_tree_usage); | |
42 | break; | |
43 | case 3: | |
44 | /* base-path */ | |
45 | basedir_arg = xmalloc(strlen(argv[2]) + 11); | |
46 | sprintf(basedir_arg, "--prefix=%s/", argv[2]); | |
47 | nargv[nargc++] = basedir_arg; | |
48 | /* fallthru */ | |
49 | case 2: | |
50 | /* tree-ish */ | |
51 | nargv[nargc++] = argv[1]; | |
52 | } | |
53 | nargv[nargc] = NULL; | |
54 | ||
55 | fprintf(stderr, | |
56 | "*** git-tar-tree is now deprecated.\n" | |
57 | "*** Running git-archive instead.\n***"); | |
58 | for (i = 0; i < nargc; i++) { | |
59 | fputc(' ', stderr); | |
60 | sq_quote_print(stderr, nargv[i]); | |
61 | } | |
62 | fputc('\n', stderr); | |
63 | return cmd_archive(nargc, nargv, prefix); | |
64 | } | |
65 | ||
66 | /* ustar header + extended global header content */ | |
67 | #define RECORDSIZE (512) | |
68 | #define HEADERSIZE (2 * RECORDSIZE) | |
69 | ||
70 | int cmd_get_tar_commit_id(int argc, const char **argv, const char *prefix) | |
71 | { | |
72 | char buffer[HEADERSIZE]; | |
73 | struct ustar_header *header = (struct ustar_header *)buffer; | |
74 | char *content = buffer + RECORDSIZE; | |
75 | ssize_t n; | |
76 | ||
77 | n = read_in_full(0, buffer, HEADERSIZE); | |
78 | if (n < HEADERSIZE) | |
79 | die("git-get-tar-commit-id: read error"); | |
80 | if (header->typeflag[0] != 'g') | |
81 | return 1; | |
82 | if (memcmp(content, "52 comment=", 11)) | |
83 | return 1; | |
84 | ||
85 | n = write_in_full(1, content + 11, 41); | |
86 | if (n < 41) | |
87 | die("git-get-tar-commit-id: write error"); | |
88 | ||
89 | return 0; | |
90 | } |