| 1 | #include "builtin.h" |
| 2 | #include "gettext.h" |
| 3 | #include "parse-options.h" |
| 4 | #include "url.h" |
| 5 | #include "urlmatch.h" |
| 6 | |
| 7 | static const char * const builtin_url_parse_usage[] = { |
| 8 | N_("git url-parse [-c <component>] [--] <url>..."), |
| 9 | NULL |
| 10 | }; |
| 11 | |
| 12 | static char *component_arg; |
| 13 | |
| 14 | static struct option builtin_url_parse_options[] = { |
| 15 | OPT_STRING('c', "component", &component_arg, N_("component"), |
| 16 | N_("which URL component to extract")), |
| 17 | OPT_END(), |
| 18 | }; |
| 19 | |
| 20 | enum url_component { |
| 21 | URL_NONE = 0, |
| 22 | URL_SCHEME, |
| 23 | URL_USER, |
| 24 | URL_PASSWORD, |
| 25 | URL_HOST, |
| 26 | URL_PORT, |
| 27 | URL_PATH, |
| 28 | }; |
| 29 | |
| 30 | static void parse_or_die(const char *url, struct url_info *info) |
| 31 | { |
| 32 | if (url_is_local_not_ssh(url)) { |
| 33 | if (*url == '/') |
| 34 | die("'%s' is not a URL; if you meant a local " |
| 35 | "repository, use 'file://%s'", url, url); |
| 36 | if (has_dos_drive_prefix(url)) |
| 37 | die("'%s' is not a URL; if you meant a local " |
| 38 | "repository, use 'file:///%s'", url, url); |
| 39 | die("'%s' is not a URL; if you meant a local repository, " |
| 40 | "use a 'file://' URL with an absolute path", url); |
| 41 | } |
| 42 | if (!url_parse(url, info)) |
| 43 | die("invalid git URL '%s': %s", url, info->err); |
| 44 | } |
| 45 | |
| 46 | static enum url_component get_component_or_die(const char *arg) |
| 47 | { |
| 48 | if (!strcmp("path", arg)) |
| 49 | return URL_PATH; |
| 50 | if (!strcmp("host", arg)) |
| 51 | return URL_HOST; |
| 52 | if (!strcmp("scheme", arg)) |
| 53 | return URL_SCHEME; |
| 54 | if (!strcmp("user", arg)) |
| 55 | return URL_USER; |
| 56 | if (!strcmp("password", arg)) |
| 57 | return URL_PASSWORD; |
| 58 | if (!strcmp("port", arg)) |
| 59 | return URL_PORT; |
| 60 | die("invalid git URL component '%s'", arg); |
| 61 | } |
| 62 | |
| 63 | static char *extract_component(enum url_component component, |
| 64 | struct url_info *info) |
| 65 | { |
| 66 | size_t offset, length; |
| 67 | |
| 68 | switch (component) { |
| 69 | case URL_SCHEME: |
| 70 | offset = 0; |
| 71 | length = info->scheme_len; |
| 72 | break; |
| 73 | case URL_USER: |
| 74 | offset = info->user_off; |
| 75 | length = info->user_len; |
| 76 | break; |
| 77 | case URL_PASSWORD: |
| 78 | offset = info->passwd_off; |
| 79 | length = info->passwd_len; |
| 80 | break; |
| 81 | case URL_HOST: |
| 82 | offset = info->host_off; |
| 83 | length = info->host_len; |
| 84 | break; |
| 85 | case URL_PORT: |
| 86 | offset = info->port_off; |
| 87 | length = info->port_len; |
| 88 | break; |
| 89 | case URL_PATH: |
| 90 | offset = info->path_off; |
| 91 | length = info->path_len; |
| 92 | break; |
| 93 | case URL_NONE: |
| 94 | return NULL; |
| 95 | } |
| 96 | |
| 97 | return xstrndup(info->url + offset, length); |
| 98 | } |
| 99 | |
| 100 | int cmd_url_parse(int argc, |
| 101 | const char **argv, |
| 102 | const char *prefix, |
| 103 | struct repository *repo UNUSED) |
| 104 | { |
| 105 | struct url_info info; |
| 106 | enum url_component selected = URL_NONE; |
| 107 | char *extracted; |
| 108 | int i; |
| 109 | |
| 110 | argc = parse_options(argc, argv, prefix, builtin_url_parse_options, |
| 111 | builtin_url_parse_usage, 0); |
| 112 | |
| 113 | if (argc == 0) |
| 114 | usage_with_options(builtin_url_parse_usage, |
| 115 | builtin_url_parse_options); |
| 116 | |
| 117 | if (component_arg) |
| 118 | selected = get_component_or_die(component_arg); |
| 119 | |
| 120 | for (i = 0; i < argc; i++) { |
| 121 | parse_or_die(argv[i], &info); |
| 122 | |
| 123 | if (selected != URL_NONE) { |
| 124 | extracted = extract_component(selected, &info); |
| 125 | if (extracted) { |
| 126 | puts(extracted); |
| 127 | free(extracted); |
| 128 | } |
| 129 | } |
| 130 | |
| 131 | free(info.url); |
| 132 | } |
| 133 | |
| 134 | return 0; |
| 135 | } |