]>
Commit | Line | Data |
---|---|---|
1 | /* | |
2 | * GIT - The information manager from hell | |
3 | */ | |
4 | ||
5 | #include "cache.h" | |
6 | #include "refs.h" | |
7 | #include "builtin.h" | |
8 | #include "strbuf.h" | |
9 | ||
10 | static const char builtin_check_ref_format_usage[] = | |
11 | "git check-ref-format [--normalize] [<options>] <refname>\n" | |
12 | " or: git check-ref-format --branch <branchname-shorthand>"; | |
13 | ||
14 | /* | |
15 | * Return a copy of refname but with leading slashes removed and runs | |
16 | * of adjacent slashes replaced with single slashes. | |
17 | * | |
18 | * This function is similar to normalize_path_copy(), but stripped down | |
19 | * to meet check_ref_format's simpler needs. | |
20 | */ | |
21 | static char *collapse_slashes(const char *refname) | |
22 | { | |
23 | char *ret = xmallocz(strlen(refname)); | |
24 | char ch; | |
25 | char prev = '/'; | |
26 | char *cp = ret; | |
27 | ||
28 | while ((ch = *refname++) != '\0') { | |
29 | if (prev == '/' && ch == prev) | |
30 | continue; | |
31 | ||
32 | *cp++ = ch; | |
33 | prev = ch; | |
34 | } | |
35 | *cp = '\0'; | |
36 | return ret; | |
37 | } | |
38 | ||
39 | static int check_ref_format_branch(const char *arg) | |
40 | { | |
41 | struct strbuf sb = STRBUF_INIT; | |
42 | const char *name; | |
43 | int nongit; | |
44 | ||
45 | setup_git_directory_gently(&nongit); | |
46 | if (strbuf_check_branch_ref(&sb, arg) || | |
47 | !skip_prefix(sb.buf, "refs/heads/", &name)) | |
48 | die("'%s' is not a valid branch name", arg); | |
49 | printf("%s\n", name); | |
50 | strbuf_release(&sb); | |
51 | return 0; | |
52 | } | |
53 | ||
54 | int cmd_check_ref_format(int argc, const char **argv, const char *prefix) | |
55 | { | |
56 | int i; | |
57 | int normalize = 0; | |
58 | int flags = 0; | |
59 | const char *refname; | |
60 | ||
61 | if (argc == 2 && !strcmp(argv[1], "-h")) | |
62 | usage(builtin_check_ref_format_usage); | |
63 | ||
64 | if (argc == 3 && !strcmp(argv[1], "--branch")) | |
65 | return check_ref_format_branch(argv[2]); | |
66 | ||
67 | for (i = 1; i < argc && argv[i][0] == '-'; i++) { | |
68 | if (!strcmp(argv[i], "--normalize") || !strcmp(argv[i], "--print")) | |
69 | normalize = 1; | |
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)) | |
80 | usage(builtin_check_ref_format_usage); | |
81 | ||
82 | refname = argv[i]; | |
83 | if (normalize) | |
84 | refname = collapse_slashes(refname); | |
85 | if (check_refname_format(refname, flags)) | |
86 | return 1; | |
87 | if (normalize) | |
88 | printf("%s\n", refname); | |
89 | ||
90 | return 0; | |
91 | } |