list: new applet
The list applet provides a convenient way of inspecting both the available and installed package databases by listing their contents. In some ways, it is similar to `apk search` but is considered to be a superset of `apk search` functionality. A few `apk list` criterion are not yet ready though, such as `apk list --depends` which searches by runtime dependency (replacing `apk info --rdepends`).cute-signatures
William Pitcock
parent
5da4dec2a2
commit
fff8bfa588
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@ -23,7 +23,7 @@ install-LUA_LIB-y := $(INSTALLDIR) $(DESTDIR)$(LUA_LIBDIR) && \
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endif
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progs-y += apk
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apk-objs := apk.o add.o del.o fix.o update.o info.o \
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apk-objs := apk.o add.o del.o fix.o update.o info.o list.o \
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search.o upgrade.o cache.o ver.o index.o fetch.o \
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audit.o verify.o dot.o policy.o stats.o manifest.o
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@ -0,0 +1,235 @@
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/* list.c - Alpine Package Keeper (APK)
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*
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* Copyright (C) 2005-2009 Natanael Copa <n@tanael.org>
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* Copyright (C) 2008-2011 Timo Teräs <timo.teras@iki.fi>
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* Copyright (C) 2018 William Pitcock <nenolod@dereferenced.org>
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* All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published
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* by the Free Software Foundation. See http://www.gnu.org/ for details.
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*/
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#include <stdio.h>
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#include <unistd.h>
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#include <limits.h>
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#include "apk_defines.h"
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#include "apk_applet.h"
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#include "apk_package.h"
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#include "apk_database.h"
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#include "apk_print.h"
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struct list_ctx {
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unsigned int installed : 1;
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unsigned int orphaned : 1;
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unsigned int available : 1;
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unsigned int upgradable : 1;
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unsigned int match_origin : 1;
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struct apk_string_array *filters;
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};
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static int origin_matches(const struct list_ctx *ctx, const struct apk_package *pkg)
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{
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char **pmatch;
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if (pkg->origin == NULL)
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return 0;
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foreach_array_item(pmatch, ctx->filters)
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{
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if (apk_blob_compare(APK_BLOB_STR(*pmatch), *pkg->origin) == 0)
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return 1;
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}
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return 0;
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}
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static int is_orphaned(const struct apk_name *name)
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{
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struct apk_provider *p;
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unsigned int repos = 0;
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if (name == NULL)
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return 0;
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foreach_array_item(p, name->providers)
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repos |= p->pkg->repos;
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/* repo 1 is always installed-db, so if other bits are set it means the package is available somewhere
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* (either cache or in a proper repo)
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*/
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return (repos & ~BIT(1)) == 0;
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}
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/* returns the currently installed package if there is a newer package that satisfies `name` */
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static const struct apk_package *is_upgradable(struct apk_name *name, const struct apk_package *pkg0)
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{
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struct apk_provider *p;
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struct apk_package *ipkg;
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apk_blob_t *latest = apk_blob_atomize(APK_BLOB_STR(""));
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if (name == NULL)
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return NULL;
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ipkg = apk_pkg_get_installed(name);
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if (ipkg == NULL)
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return NULL;
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if (pkg0 == NULL)
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{
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foreach_array_item(p, name->providers)
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{
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pkg0 = p->pkg;
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int r;
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if (pkg0 == ipkg)
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continue;
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r = apk_version_compare_blob(*pkg0->version, *latest);
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if (r == APK_VERSION_GREATER)
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latest = pkg0->version;
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}
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}
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else
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latest = pkg0->version;
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return apk_version_compare_blob(*ipkg->version, *latest) == APK_VERSION_LESS ? ipkg : NULL;
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}
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static void print_package(const struct apk_package *pkg, const struct list_ctx *ctx)
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{
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printf(PKG_VER_FMT " " BLOB_FMT " {" BLOB_FMT "} (" BLOB_FMT ")",
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PKG_VER_PRINTF(pkg), BLOB_PRINTF(*pkg->arch), BLOB_PRINTF(*pkg->origin),
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BLOB_PRINTF(*pkg->license));
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if (pkg->ipkg)
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printf(" [installed]");
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else
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{
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const struct apk_package *u;
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u = is_upgradable(pkg->name, pkg);
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if (u != NULL)
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printf(" [upgradable from: " PKG_VER_FMT "]", PKG_VER_PRINTF(u));
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}
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if (apk_verbosity > 1)
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{
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printf("\n %s\n", pkg->description);
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if (apk_verbosity > 2)
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printf(" <%s>\n", pkg->url);
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}
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printf("\n");
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}
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static void print_result(struct apk_database *db, const char *match, struct apk_name *name, void *pctx)
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{
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struct list_ctx *ctx = pctx;
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struct apk_provider *p;
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struct apk_package *pkg;
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if (name == NULL)
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return;
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foreach_array_item(p, name->providers)
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{
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pkg = p->pkg;
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if (ctx->match_origin && !origin_matches(ctx, pkg))
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continue;
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if (ctx->installed && pkg->ipkg == NULL)
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continue;
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if (ctx->orphaned && !is_orphaned(name))
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continue;
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if (ctx->available && pkg->repos == BIT(1))
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continue;
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if (ctx->upgradable && !is_upgradable(name, pkg))
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continue;
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print_package(pkg, ctx);
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}
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}
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static int option_parse_applet(void *pctx, struct apk_db_options *dbopts, int optch, const char *optarg)
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{
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struct list_ctx *ctx = pctx;
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switch (optch)
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{
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case 'I':
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ctx->installed = 1;
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break;
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case 'O':
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ctx->installed = 1;
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ctx->orphaned = 1;
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break;
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case 'u':
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ctx->available = 1;
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ctx->orphaned = 0;
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ctx->installed = 0;
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ctx->upgradable = 1;
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break;
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case 'a':
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ctx->available = 1;
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ctx->orphaned = 0;
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break;
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case 'o':
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ctx->match_origin = 1;
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break;
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default:
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return -1;
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}
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return 0;
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}
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static const struct apk_option options_applet[] = {
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{ 'I', "installed", "List installed packages only" },
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{ 'O', "orphaned", "List orphaned packages only" },
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{ 'a', "available", "List available packages only" },
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{ 'u', "upgradable", "List upgradable packages only" },
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{ 'o', "origin", "List packages by origin" },
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};
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static const struct apk_option_group optgroup_applet = {
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.name = "List",
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.options = options_applet,
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.num_options = ARRAY_SIZE(options_applet),
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.parse = option_parse_applet,
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};
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static int list_main(void *pctx, struct apk_database *db, struct apk_string_array *args)
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{
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struct list_ctx *ctx = pctx;
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ctx->filters = args;
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if (ctx->match_origin)
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args = NULL;
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apk_name_foreach_matching(
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db, args, APK_FOREACH_NULL_MATCHES_ALL | apk_foreach_genid(),
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print_result, ctx);
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return 0;
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}
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static struct apk_applet apk_list = {
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.name = "list",
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.help = "List packages by PATTERN and other criteria",
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.arguments = "PATTERN",
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.open_flags = APK_OPENF_READ,
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.command_groups = APK_COMMAND_GROUP_QUERY,
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.context_size = sizeof(struct list_ctx),
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.optgroups = { &optgroup_global, &optgroup_applet },
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.main = list_main,
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};
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APK_DEFINE_APPLET(apk_list);
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