From 1932fff75794f7bd2be6c91ea0f798f9331c33a1 Mon Sep 17 00:00:00 2001 From: Duncan Overbruck Date: Wed, 14 Oct 2020 14:28:36 +0200 Subject: [PATCH] bin/xbps-alternatives: add repository mode to list repo alternatives --- bin/xbps-alternatives/main.c | 189 ++++++++++++++++++---- bin/xbps-alternatives/xbps-alternatives.1 | 17 +- 2 files changed, 174 insertions(+), 32 deletions(-) diff --git a/bin/xbps-alternatives/main.c b/bin/xbps-alternatives/main.c index 6bfbae6c..4f017d31 100644 --- a/bin/xbps-alternatives/main.c +++ b/bin/xbps-alternatives/main.c @@ -1,5 +1,6 @@ /*- * Copyright (c) 2015 Juan Romero Pardines. + * Copyright (c) 2020 Duncan Overbruck . * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -41,16 +42,22 @@ usage(bool fail) fprintf(stdout, "Usage: xbps-alternatives [OPTIONS] MODE\n\n" "OPTIONS\n" - " -C --config Path to confdir (xbps.d)\n" - " -d --debug Debug mode shown to stderr\n" - " -g --group Group of alternatives to match\n" - " -h --help Show usage\n" - " -r --rootdir Full path to rootdir\n" - " -v --verbose Verbose messages\n" - " -V --version Show XBPS version\n" + " -C --config Path to confdir (xbps.d)\n" + " -d --debug Debug mode shown to stderr\n" + " -g --group Group of alternatives to match\n" + " -h --help Show usage\n" + " -i, --ignore-conf-repos Ignore repositories defined in xbps.d\n" + " -R, --repository Enable repository mode. This mode explicitly\n" + " looks for packages in repositories\n" + " --repository= Enable repository mode and add repository\n" + " to the top of the list. This option can be\n" + " specified multiple times\n" + " -r --rootdir Full path to rootdir\n" + " -v --verbose Verbose messages\n" + " -V --version Show XBPS version\n" "MODE\n" - " -l --list [PKG] List all alternatives or from PKG\n" - " -s --set PKG Set alternatives for PKG\n"); + " -l --list [PKG] List all alternatives or from PKG\n" + " -s --set PKG Set alternatives for PKG\n"); exit(fail ? EXIT_FAILURE : EXIT_SUCCESS); } @@ -108,26 +115,10 @@ list_pkg_alternatives(xbps_dictionary_t pkgd, const char *group, bool print_key) } static int -list_alternatives(struct xbps_handle *xhp, const char *pkgname, const char *grp) +print_alternatives(struct xbps_handle *xhp, xbps_dictionary_t alternatives, const char *grp, bool repo_mode) { - xbps_dictionary_t alternatives, pkgd; xbps_array_t allkeys; - - (void)xbps_pkgdb_get_pkg(xhp, "foo"); - - if (pkgname) { - /* list alternatives for pkgname */ - if ((pkgd = xbps_pkgdb_get_pkg(xhp, pkgname)) == NULL) - return ENOENT; - - list_pkg_alternatives(pkgd, NULL, true); - return 0; - } - assert(xhp->pkgdb); - - alternatives = xbps_dictionary_get(xhp->pkgdb, "_XBPS_ALTERNATIVES_"); - if (alternatives == NULL) - return ENOENT; + xbps_dictionary_t pkgd; allkeys = xbps_dictionary_all_keys(alternatives); for (unsigned int i = 0; i < xbps_array_count(allkeys); i++) { @@ -147,8 +138,10 @@ list_alternatives(struct xbps_handle *xhp, const char *pkgname, const char *grp) const char *str = NULL; xbps_array_get_cstring_nocopy(array, x, &str); - printf(" - %s%s\n", str, x == 0 ? " (current)" : ""); + printf(" - %s%s\n", str, !repo_mode && x == 0 ? " (current)" : ""); pkgd = xbps_pkgdb_get_pkg(xhp, str); + if (pkgd == NULL && repo_mode) + pkgd = xbps_rpool_get_pkg(xhp, str); assert(pkgd); list_pkg_alternatives(pkgd, keyname, false); } @@ -158,17 +151,123 @@ list_alternatives(struct xbps_handle *xhp, const char *pkgname, const char *grp) return 0; } +static int +list_alternatives(struct xbps_handle *xhp, const char *pkgname, const char *grp) +{ + xbps_dictionary_t alternatives, pkgd; + + (void)xbps_pkgdb_get_pkg(xhp, "foo"); + + if (pkgname) { + /* list alternatives for pkgname */ + if ((pkgd = xbps_pkgdb_get_pkg(xhp, pkgname)) == NULL) + return ENOENT; + + list_pkg_alternatives(pkgd, NULL, true); + return 0; + } + assert(xhp->pkgdb); + + alternatives = xbps_dictionary_get(xhp->pkgdb, "_XBPS_ALTERNATIVES_"); + if (alternatives == NULL) + return ENOENT; + + return print_alternatives(xhp, alternatives, grp, false); +} + +struct search_data { + const char *group; + xbps_dictionary_t result; +}; + +static int +search_array_cb(struct xbps_handle *xhp UNUSED, + xbps_object_t obj, + const char *key UNUSED, + void *arg, + bool *done UNUSED) +{ + xbps_object_iterator_t iter; + xbps_dictionary_t alternatives; + struct search_data *sd = arg; + const char *pkgver = NULL; + + if (!xbps_dictionary_get_cstring_nocopy(obj, "pkgver", &pkgver)) + return 0; + + alternatives = xbps_dictionary_get(obj, "alternatives"); + if (alternatives == NULL) + return 0; + + iter = xbps_dictionary_iterator(alternatives); + assert(iter); + + /* + * Register all provided groups in the result dictionary. + */ + while ((obj = xbps_object_iterator_next(iter))) { + xbps_array_t grouparr; + const char *group = xbps_dictionary_keysym_cstring_nocopy(obj); + bool alloc = false; + + /* skip the group if we search for a specific one */ + if (sd->group != NULL && strcmp(sd->group, group) != 0) + continue; + + grouparr = xbps_dictionary_get(sd->result, group); + if (grouparr == NULL) { + if ((grouparr = xbps_array_create()) == NULL) { + xbps_error_printf("Failed to create array: %s\n", strerror(errno)); + exit(EXIT_FAILURE); + } + alloc = true; + xbps_dictionary_set(sd->result, group, grouparr); + } else { + /* + * check if pkgver is already in the group array, + * this only happens if multiple repositories provide + * the same pkgver. + */ + if (xbps_match_string_in_array(grouparr, pkgver)) + continue; + } + xbps_array_add_cstring_nocopy(grouparr, pkgver); + + if (alloc) + xbps_object_release(grouparr); + } + + return 0; +} + +static int +search_repo_cb(struct xbps_repo *repo, void *arg, bool *done UNUSED) +{ + xbps_array_t allkeys; + int rv; + + if (repo->idx == NULL) + return 0; + + allkeys = xbps_dictionary_all_keys(repo->idx); + rv = xbps_array_foreach_cb(repo->xhp, allkeys, repo->idx, search_array_cb, arg); + xbps_object_release(allkeys); + return rv; +} + int main(int argc, char **argv) { - const char *shortopts = "C:dg:hls:r:Vv"; + const char *shortopts = "C:dg:hils:Rr:Vv"; const struct option longopts[] = { { "config", required_argument, NULL, 'C' }, { "debug", no_argument, NULL, 'd' }, { "group", required_argument, NULL, 'g' }, { "help", no_argument, NULL, 'h' }, + { "ignore-conf-repos", no_argument, NULL, 'i' }, { "list", no_argument, NULL, 'l' }, { "set", required_argument, NULL, 's' }, + { "repository", optional_argument, NULL, 'R' }, { "rootdir", required_argument, NULL, 'r' }, { "verbose", no_argument, NULL, 'v' }, { "version", no_argument, NULL, 'V' }, @@ -177,7 +276,7 @@ main(int argc, char **argv) struct xbps_handle xh; const char *confdir, *rootdir, *group, *pkg; int c, rv, flags = 0; - bool list_mode = false, set_mode = false; + bool list_mode = false, set_mode = false, repo_mode = false; confdir = rootdir = group = pkg = NULL; @@ -195,6 +294,9 @@ main(int argc, char **argv) case 'h': usage(false); /* NOTREACHED */ + case 'i': + flags |= XBPS_FLAG_IGNORE_CONF_REPOS; + break; case 'l': list_mode = true; break; @@ -202,6 +304,12 @@ main(int argc, char **argv) set_mode = true; pkg = optarg; break; + case 'R': + if (optarg != NULL) { + xbps_repo_store(&xh, optarg); + } + repo_mode = true; + break; case 'r': rootdir = optarg; break; @@ -250,7 +358,26 @@ main(int argc, char **argv) rv = xbps_pkgdb_update(&xh, true, false); } else if (list_mode) { /* list alternative groups */ - rv = list_alternatives(&xh, pkg, group); + if (repo_mode) { + struct search_data sd = { 0 }; + if ((sd.result = xbps_dictionary_create()) == NULL) { + xbps_error_printf("Failed to create dictionary: %s\n", strerror(errno)); + exit(EXIT_FAILURE); + } + sd.group = group; + rv = xbps_rpool_foreach(&xh, search_repo_cb, &sd); + if (rv != 0 && rv != ENOTSUP) { + fprintf(stderr, "Failed to initialize rpool: %s\n", + strerror(rv)); + exit(EXIT_FAILURE); + } + if (xbps_dictionary_count(sd.result) > 0) + print_alternatives(&xh, sd.result, group, true); + else + exit(EXIT_FAILURE); + } else { + rv = list_alternatives(&xh, pkg, group); + } } xbps_end(&xh); diff --git a/bin/xbps-alternatives/xbps-alternatives.1 b/bin/xbps-alternatives/xbps-alternatives.1 index 4d2cb546..15cc78b8 100644 --- a/bin/xbps-alternatives/xbps-alternatives.1 +++ b/bin/xbps-alternatives/xbps-alternatives.1 @@ -1,4 +1,4 @@ -.Dd Feb 9, 2023 +.Dd Aug 31, 2023 .Dt XBPS-ALTERNATIVES 1 .Os .Sh NAME @@ -34,6 +34,21 @@ Alternative group name to match. To be used with the mode. .It Fl h, Fl -help Show the help message. +.It Fl i, Fl -ignore-conf-repos +Ignore repositories defined in configuration files. +Only repositories specified in the command line via +.Ar --repository +will be used. +.It Fl R +Enable repository mode when listing alternatives. +This mode explicitly looks for all alternatives available +in repositories rather than looking for installed alternatives. +.It Fl -repository Ar url +Appends the specified repository to the top of the list. +The +.Ar url +argument expects a URL to the repository for remote repositories or +a path for local repositories. .It Fl r, Fl -rootdir Ar dir Specifies a full path for the target root directory. .It Fl v, Fl -verbose