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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[] = |
e4ed6105 | 11 | "git check-ref-format [--print] [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 | { |
7f748c7c | 23 | char *ret = xmalloc(strlen(refname) + 1); |
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; | |
49cc460d | 42 | int nongit; |
cfbe22f0 | 43 | |
49cc460d | 44 | setup_git_directory_gently(&nongit); |
cfbe22f0 JN |
45 | if (strbuf_check_branch_ref(&sb, arg)) |
46 | die("'%s' is not a valid branch name", arg); | |
47 | printf("%s\n", sb.buf + 11); | |
48 | return 0; | |
49 | } | |
50 | ||
a633fca0 | 51 | int cmd_check_ref_format(int argc, const char **argv, const char *prefix) |
9370bae2 | 52 | { |
e4ed6105 MH |
53 | int i; |
54 | int print = 0; | |
55 | int flags = 0; | |
a5e4ec06 | 56 | const char *refname; |
e4ed6105 | 57 | |
aeda85a8 JN |
58 | if (argc == 2 && !strcmp(argv[1], "-h")) |
59 | usage(builtin_check_ref_format_usage); | |
60 | ||
cfbe22f0 JN |
61 | if (argc == 3 && !strcmp(argv[1], "--branch")) |
62 | return check_ref_format_branch(argv[2]); | |
e4ed6105 MH |
63 | |
64 | for (i = 1; i < argc && argv[i][0] == '-'; i++) { | |
65 | if (!strcmp(argv[i], "--print")) | |
66 | print = 1; | |
67 | else if (!strcmp(argv[i], "--allow-onelevel")) | |
68 | flags |= REFNAME_ALLOW_ONELEVEL; | |
69 | else if (!strcmp(argv[i], "--no-allow-onelevel")) | |
70 | flags &= ~REFNAME_ALLOW_ONELEVEL; | |
71 | else if (!strcmp(argv[i], "--refspec-pattern")) | |
72 | flags |= REFNAME_REFSPEC_PATTERN; | |
73 | else | |
74 | usage(builtin_check_ref_format_usage); | |
75 | } | |
76 | if (! (i == argc - 1)) | |
6586b1f3 | 77 | usage(builtin_check_ref_format_usage); |
e4ed6105 | 78 | |
a5e4ec06 MH |
79 | refname = argv[i]; |
80 | if (check_refname_format(refname, flags)) | |
e4ed6105 | 81 | return 1; |
e4ed6105 | 82 | |
a5e4ec06 MH |
83 | if (print) { |
84 | refname = collapse_slashes(refname); | |
85 | printf("%s\n", refname); | |
86 | } | |
e4ed6105 MH |
87 | |
88 | return 0; | |
9370bae2 | 89 | } |