diff --git a/.gitignore b/.gitignore index 24635cf2d6..c5673daa6e 100644 --- a/.gitignore +++ b/.gitignore @@ -182,6 +182,7 @@ /git-update-server-info /git-upload-archive /git-upload-pack +/git-url-parse /git-var /git-verify-commit /git-verify-pack diff --git a/Makefile b/Makefile index cedc234173..1c757a1aa0 100644 --- a/Makefile +++ b/Makefile @@ -1497,6 +1497,7 @@ BUILTIN_OBJS += builtin/update-ref.o BUILTIN_OBJS += builtin/update-server-info.o BUILTIN_OBJS += builtin/upload-archive.o BUILTIN_OBJS += builtin/upload-pack.o +BUILTIN_OBJS += builtin/url-parse.o BUILTIN_OBJS += builtin/var.o BUILTIN_OBJS += builtin/verify-commit.o BUILTIN_OBJS += builtin/verify-pack.o diff --git a/builtin.h b/builtin.h index 235c51f30e..c6f7672991 100644 --- a/builtin.h +++ b/builtin.h @@ -271,6 +271,7 @@ int cmd_update_server_info(int argc, const char **argv, const char *prefix, stru int cmd_upload_archive(int argc, const char **argv, const char *prefix, struct repository *repo); int cmd_upload_archive_writer(int argc, const char **argv, const char *prefix, struct repository *repo); int cmd_upload_pack(int argc, const char **argv, const char *prefix, struct repository *repo); +int cmd_url_parse(int argc, const char **argv, const char *prefix, struct repository *repo); int cmd_var(int argc, const char **argv, const char *prefix, struct repository *repo); int cmd_verify_commit(int argc, const char **argv, const char *prefix, struct repository *repo); int cmd_verify_tag(int argc, const char **argv, const char *prefix, struct repository *repo); diff --git a/builtin/url-parse.c b/builtin/url-parse.c new file mode 100644 index 0000000000..7e705538c0 --- /dev/null +++ b/builtin/url-parse.c @@ -0,0 +1,135 @@ +#include "builtin.h" +#include "gettext.h" +#include "parse-options.h" +#include "url.h" +#include "urlmatch.h" + +static const char * const builtin_url_parse_usage[] = { + N_("git url-parse [-c ] [--] ..."), + NULL +}; + +static char *component_arg; + +static struct option builtin_url_parse_options[] = { + OPT_STRING('c', "component", &component_arg, N_("component"), + N_("which URL component to extract")), + OPT_END(), +}; + +enum url_component { + URL_NONE = 0, + URL_SCHEME, + URL_USER, + URL_PASSWORD, + URL_HOST, + URL_PORT, + URL_PATH, +}; + +static void parse_or_die(const char *url, struct url_info *info) +{ + if (url_is_local_not_ssh(url)) { + if (*url == '/') + die("'%s' is not a URL; if you meant a local " + "repository, use 'file://%s'", url, url); + if (has_dos_drive_prefix(url)) + die("'%s' is not a URL; if you meant a local " + "repository, use 'file:///%s'", url, url); + die("'%s' is not a URL; if you meant a local repository, " + "use a 'file://' URL with an absolute path", url); + } + if (!url_parse(url, info)) + die("invalid git URL '%s': %s", url, info->err); +} + +static enum url_component get_component_or_die(const char *arg) +{ + if (!strcmp("path", arg)) + return URL_PATH; + if (!strcmp("host", arg)) + return URL_HOST; + if (!strcmp("scheme", arg)) + return URL_SCHEME; + if (!strcmp("user", arg)) + return URL_USER; + if (!strcmp("password", arg)) + return URL_PASSWORD; + if (!strcmp("port", arg)) + return URL_PORT; + die("invalid git URL component '%s'", arg); +} + +static char *extract_component(enum url_component component, + struct url_info *info) +{ + size_t offset, length; + + switch (component) { + case URL_SCHEME: + offset = 0; + length = info->scheme_len; + break; + case URL_USER: + offset = info->user_off; + length = info->user_len; + break; + case URL_PASSWORD: + offset = info->passwd_off; + length = info->passwd_len; + break; + case URL_HOST: + offset = info->host_off; + length = info->host_len; + break; + case URL_PORT: + offset = info->port_off; + length = info->port_len; + break; + case URL_PATH: + offset = info->path_off; + length = info->path_len; + break; + case URL_NONE: + return NULL; + } + + return xstrndup(info->url + offset, length); +} + +int cmd_url_parse(int argc, + const char **argv, + const char *prefix, + struct repository *repo UNUSED) +{ + struct url_info info; + enum url_component selected = URL_NONE; + char *extracted; + int i; + + argc = parse_options(argc, argv, prefix, builtin_url_parse_options, + builtin_url_parse_usage, 0); + + if (argc == 0) + usage_with_options(builtin_url_parse_usage, + builtin_url_parse_options); + + if (component_arg) + selected = get_component_or_die(component_arg); + + for (i = 0; i < argc; i++) { + parse_or_die(argv[i], &info); + + if (selected != URL_NONE) { + extracted = extract_component(selected, &info); + if (extracted) { + puts(extracted); + free(extracted); + } + } + + free(info.url); + } + + return 0; +} diff --git a/command-list.txt b/command-list.txt index f9005cf459..1ede48186f 100644 --- a/command-list.txt +++ b/command-list.txt @@ -202,6 +202,7 @@ git-update-ref plumbingmanipulators git-update-server-info synchingrepositories git-upload-archive synchelpers git-upload-pack synchelpers +git-url-parse purehelpers git-var plumbinginterrogators git-verify-commit ancillaryinterrogators git-verify-pack plumbinginterrogators diff --git a/git.c b/git.c index 5a40eab8a2..a073eed931 100644 --- a/git.c +++ b/git.c @@ -670,6 +670,7 @@ static struct cmd_struct commands[] = { { "upload-archive", cmd_upload_archive, NO_PARSEOPT }, { "upload-archive--writer", cmd_upload_archive_writer, NO_PARSEOPT }, { "upload-pack", cmd_upload_pack }, + { "url-parse", cmd_url_parse }, { "var", cmd_var, RUN_SETUP_GENTLY | NO_PARSEOPT }, { "verify-commit", cmd_verify_commit, RUN_SETUP }, { "verify-pack", cmd_verify_pack }, diff --git a/meson.build b/meson.build index 11488623bf..dc3cf68ee5 100644 --- a/meson.build +++ b/meson.build @@ -686,6 +686,7 @@ builtin_sources = [ 'builtin/update-server-info.c', 'builtin/upload-archive.c', 'builtin/upload-pack.c', + 'builtin/url-parse.c', 'builtin/var.c', 'builtin/verify-commit.c', 'builtin/verify-pack.c',