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Commit | Line | Data |
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9370bae2 LS |
1 | /* |
2 | * GIT - The information manager from hell | |
3 | */ | |
4 | ||
5 | #include "cache.h" | |
6 | #include "refs.h" | |
7 | #include "builtin.h" | |
a31dca03 | 8 | #include "strbuf.h" |
9370bae2 | 9 | |
6586b1f3 | 10 | static const char builtin_check_ref_format_usage[] = |
9c9b4f2f | 11 | "git check-ref-format [--normalize] [<options>] <refname>\n" |
6586b1f3 JN |
12 | " or: git check-ref-format --branch <branchname-shorthand>"; |
13 | ||
1ba447b8 | 14 | /* |
7f748c7c MH |
15 | * Return a copy of refname but with leading slashes removed and runs |
16 | * of adjacent slashes replaced with single slashes. | |
1ba447b8 JN |
17 | * |
18 | * This function is similar to normalize_path_copy(), but stripped down | |
19 | * to meet check_ref_format's simpler needs. | |
20 | */ | |
7f748c7c | 21 | static char *collapse_slashes(const char *refname) |
1ba447b8 | 22 | { |
3733e694 | 23 | char *ret = xmallocz(strlen(refname)); |
1ba447b8 | 24 | char ch; |
2f633f41 | 25 | char prev = '/'; |
7f748c7c | 26 | char *cp = ret; |
1ba447b8 | 27 | |
7f748c7c | 28 | while ((ch = *refname++) != '\0') { |
1ba447b8 JN |
29 | if (prev == '/' && ch == prev) |
30 | continue; | |
31 | ||
7f748c7c | 32 | *cp++ = ch; |
1ba447b8 JN |
33 | prev = ch; |
34 | } | |
7f748c7c MH |
35 | *cp = '\0'; |
36 | return ret; | |
1ba447b8 JN |
37 | } |
38 | ||
cfbe22f0 JN |
39 | static int check_ref_format_branch(const char *arg) |
40 | { | |
41 | struct strbuf sb = STRBUF_INIT; | |
7ccc94ff | 42 | const char *name; |
49cc460d | 43 | int nongit; |
cfbe22f0 | 44 | |
49cc460d | 45 | setup_git_directory_gently(&nongit); |
7ccc94ff JH |
46 | if (strbuf_check_branch_ref(&sb, arg) || |
47 | !skip_prefix(sb.buf, "refs/heads/", &name)) | |
cfbe22f0 | 48 | die("'%s' is not a valid branch name", arg); |
7ccc94ff | 49 | printf("%s\n", name); |
861e6555 | 50 | strbuf_release(&sb); |
cfbe22f0 JN |
51 | return 0; |
52 | } | |
53 | ||
a633fca0 | 54 | int cmd_check_ref_format(int argc, const char **argv, const char *prefix) |
9370bae2 | 55 | { |
e4ed6105 | 56 | int i; |
a40e6fb6 | 57 | int normalize = 0; |
e4ed6105 | 58 | int flags = 0; |
a5e4ec06 | 59 | const char *refname; |
e4ed6105 | 60 | |
aeda85a8 JN |
61 | if (argc == 2 && !strcmp(argv[1], "-h")) |
62 | usage(builtin_check_ref_format_usage); | |
63 | ||
cfbe22f0 JN |
64 | if (argc == 3 && !strcmp(argv[1], "--branch")) |
65 | return check_ref_format_branch(argv[2]); | |
e4ed6105 MH |
66 | |
67 | for (i = 1; i < argc && argv[i][0] == '-'; i++) { | |
a40e6fb6 MH |
68 | if (!strcmp(argv[i], "--normalize") || !strcmp(argv[i], "--print")) |
69 | normalize = 1; | |
e4ed6105 MH |
70 | else if (!strcmp(argv[i], "--allow-onelevel")) |
71 | flags |= REFNAME_ALLOW_ONELEVEL; | |
72 | else if (!strcmp(argv[i], "--no-allow-onelevel")) | |
73 | flags &= ~REFNAME_ALLOW_ONELEVEL; | |
74 | else if (!strcmp(argv[i], "--refspec-pattern")) | |
75 | flags |= REFNAME_REFSPEC_PATTERN; | |
76 | else | |
77 | usage(builtin_check_ref_format_usage); | |
78 | } | |
79 | if (! (i == argc - 1)) | |
6586b1f3 | 80 | usage(builtin_check_ref_format_usage); |
e4ed6105 | 81 | |
a5e4ec06 | 82 | refname = argv[i]; |
a40e6fb6 MH |
83 | if (normalize) |
84 | refname = collapse_slashes(refname); | |
a5e4ec06 | 85 | if (check_refname_format(refname, flags)) |
e4ed6105 | 86 | return 1; |
a40e6fb6 | 87 | if (normalize) |
a5e4ec06 | 88 | printf("%s\n", refname); |
e4ed6105 MH |
89 | |
90 | return 0; | |
9370bae2 | 91 | } |