apk-tools/src/applet.c

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add script to autogenerate help from man pages This creates main help like: -- usage: apk [<OPTIONS>...] COMMAND [<ARGUMENTS>...] Package installation and removal: add Add packages to WORLD and commit changes del Remove packages from WORLD and commit changes System maintenance: fix Check WORLD against the system and ensure consistency update Update repository indexes upgrade Install upgrades available from repositories cache Commands related to the management of an offline package cache Querying package information: info Give detailed information about packages or repositories list List packages matching a pattern or other criteria dot Generate graphviz graphs policy Show repository policy for packages Repository maintenance: index Create repository index file from packages fetch Download packages from global repositories to a local directory manifest Show checksums of package contents verify Verify package integrity and signature Miscellaneous: audit Audit directories for changes stats Show statistics about repositories and installations version Compare package versions or perform tests on version strings This apk has coffee making abilities. -- And applet specific help like: -- usage: apk add [<OPTIONS>...] PACKAGES... Description: apk add adds the requested packages to WORLD and installs (or upgrades) them if not already present, ensuring all dependencies are met. Options: --initdb Initialize a new package database -l, --latest Disables normal heuristics for choosing which repository to install a -u, --upgrade When adding packages which are already installed, upgrade them rather -t, --virtual NAME Instead of adding the specified packages to WORLD, create a new --no-chown Do not change file owner or group --
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/* help.c - Alpine Package Keeper (APK)
*
* Copyright (C) 2020 Timo Teräs <timo.teras@iki.fi>
* All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-only
add script to autogenerate help from man pages This creates main help like: -- usage: apk [<OPTIONS>...] COMMAND [<ARGUMENTS>...] Package installation and removal: add Add packages to WORLD and commit changes del Remove packages from WORLD and commit changes System maintenance: fix Check WORLD against the system and ensure consistency update Update repository indexes upgrade Install upgrades available from repositories cache Commands related to the management of an offline package cache Querying package information: info Give detailed information about packages or repositories list List packages matching a pattern or other criteria dot Generate graphviz graphs policy Show repository policy for packages Repository maintenance: index Create repository index file from packages fetch Download packages from global repositories to a local directory manifest Show checksums of package contents verify Verify package integrity and signature Miscellaneous: audit Audit directories for changes stats Show statistics about repositories and installations version Compare package versions or perform tests on version strings This apk has coffee making abilities. -- And applet specific help like: -- usage: apk add [<OPTIONS>...] PACKAGES... Description: apk add adds the requested packages to WORLD and installs (or upgrades) them if not already present, ensuring all dependencies are met. Options: --initdb Initialize a new package database -l, --latest Disables normal heuristics for choosing which repository to install a -u, --upgrade When adding packages which are already installed, upgrade them rather -t, --virtual NAME Instead of adding the specified packages to WORLD, create a new --no-chown Do not change file owner or group --
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*/
#include <zlib.h>
#include "apk_applet.h"
#include "apk_print.h"
#include "help.h"
add script to autogenerate help from man pages This creates main help like: -- usage: apk [<OPTIONS>...] COMMAND [<ARGUMENTS>...] Package installation and removal: add Add packages to WORLD and commit changes del Remove packages from WORLD and commit changes System maintenance: fix Check WORLD against the system and ensure consistency update Update repository indexes upgrade Install upgrades available from repositories cache Commands related to the management of an offline package cache Querying package information: info Give detailed information about packages or repositories list List packages matching a pattern or other criteria dot Generate graphviz graphs policy Show repository policy for packages Repository maintenance: index Create repository index file from packages fetch Download packages from global repositories to a local directory manifest Show checksums of package contents verify Verify package integrity and signature Miscellaneous: audit Audit directories for changes stats Show statistics about repositories and installations version Compare package versions or perform tests on version strings This apk has coffee making abilities. -- And applet specific help like: -- usage: apk add [<OPTIONS>...] PACKAGES... Description: apk add adds the requested packages to WORLD and installs (or upgrades) them if not already present, ensuring all dependencies are met. Options: --initdb Initialize a new package database -l, --latest Disables normal heuristics for choosing which repository to install a -u, --upgrade When adding packages which are already installed, upgrade them rather -t, --virtual NAME Instead of adding the specified packages to WORLD, create a new --no-chown Do not change file owner or group --
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static LIST_HEAD(apk_applet_list);
#define apk_applet_foreach(iter) list_for_each_entry(iter, &apk_applet_list, node)
void apk_applet_register(struct apk_applet *applet)
{
list_init(&applet->node);
list_add_tail(&applet->node, &apk_applet_list);
}
struct apk_applet *apk_applet_find(const char *name)
{
struct apk_applet *a;
apk_applet_foreach(a) {
if (strcmp(name, a->name) == 0)
return a;
}
return NULL;
}
#ifndef NO_HELP
static inline int is_group(struct apk_applet *applet, const char *topic)
add script to autogenerate help from man pages This creates main help like: -- usage: apk [<OPTIONS>...] COMMAND [<ARGUMENTS>...] Package installation and removal: add Add packages to WORLD and commit changes del Remove packages from WORLD and commit changes System maintenance: fix Check WORLD against the system and ensure consistency update Update repository indexes upgrade Install upgrades available from repositories cache Commands related to the management of an offline package cache Querying package information: info Give detailed information about packages or repositories list List packages matching a pattern or other criteria dot Generate graphviz graphs policy Show repository policy for packages Repository maintenance: index Create repository index file from packages fetch Download packages from global repositories to a local directory manifest Show checksums of package contents verify Verify package integrity and signature Miscellaneous: audit Audit directories for changes stats Show statistics about repositories and installations version Compare package versions or perform tests on version strings This apk has coffee making abilities. -- And applet specific help like: -- usage: apk add [<OPTIONS>...] PACKAGES... Description: apk add adds the requested packages to WORLD and installs (or upgrades) them if not already present, ensuring all dependencies are met. Options: --initdb Initialize a new package database -l, --latest Disables normal heuristics for choosing which repository to install a -u, --upgrade When adding packages which are already installed, upgrade them rather -t, --virtual NAME Instead of adding the specified packages to WORLD, create a new --no-chown Do not change file owner or group --
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{
if (!applet) return strcasecmp(topic, "apk") == 0;
if (strcasecmp(topic, applet->name) == 0) return 1;
for (int i = 0; applet->optgroups[i] && i < ARRAY_SIZE(applet->optgroups); i++)
if (strcasecmp(applet->optgroups[i]->desc, topic) == 0) return 1;
add script to autogenerate help from man pages This creates main help like: -- usage: apk [<OPTIONS>...] COMMAND [<ARGUMENTS>...] Package installation and removal: add Add packages to WORLD and commit changes del Remove packages from WORLD and commit changes System maintenance: fix Check WORLD against the system and ensure consistency update Update repository indexes upgrade Install upgrades available from repositories cache Commands related to the management of an offline package cache Querying package information: info Give detailed information about packages or repositories list List packages matching a pattern or other criteria dot Generate graphviz graphs policy Show repository policy for packages Repository maintenance: index Create repository index file from packages fetch Download packages from global repositories to a local directory manifest Show checksums of package contents verify Verify package integrity and signature Miscellaneous: audit Audit directories for changes stats Show statistics about repositories and installations version Compare package versions or perform tests on version strings This apk has coffee making abilities. -- And applet specific help like: -- usage: apk add [<OPTIONS>...] PACKAGES... Description: apk add adds the requested packages to WORLD and installs (or upgrades) them if not already present, ensuring all dependencies are met. Options: --initdb Initialize a new package database -l, --latest Disables normal heuristics for choosing which repository to install a -u, --upgrade When adding packages which are already installed, upgrade them rather -t, --virtual NAME Instead of adding the specified packages to WORLD, create a new --no-chown Do not change file owner or group --
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return 0;
}
#endif
add script to autogenerate help from man pages This creates main help like: -- usage: apk [<OPTIONS>...] COMMAND [<ARGUMENTS>...] Package installation and removal: add Add packages to WORLD and commit changes del Remove packages from WORLD and commit changes System maintenance: fix Check WORLD against the system and ensure consistency update Update repository indexes upgrade Install upgrades available from repositories cache Commands related to the management of an offline package cache Querying package information: info Give detailed information about packages or repositories list List packages matching a pattern or other criteria dot Generate graphviz graphs policy Show repository policy for packages Repository maintenance: index Create repository index file from packages fetch Download packages from global repositories to a local directory manifest Show checksums of package contents verify Verify package integrity and signature Miscellaneous: audit Audit directories for changes stats Show statistics about repositories and installations version Compare package versions or perform tests on version strings This apk has coffee making abilities. -- And applet specific help like: -- usage: apk add [<OPTIONS>...] PACKAGES... Description: apk add adds the requested packages to WORLD and installs (or upgrades) them if not already present, ensuring all dependencies are met. Options: --initdb Initialize a new package database -l, --latest Disables normal heuristics for choosing which repository to install a -u, --upgrade When adding packages which are already installed, upgrade them rather -t, --virtual NAME Instead of adding the specified packages to WORLD, create a new --no-chown Do not change file owner or group --
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void apk_applet_help(struct apk_applet *applet, struct apk_out *out)
add script to autogenerate help from man pages This creates main help like: -- usage: apk [<OPTIONS>...] COMMAND [<ARGUMENTS>...] Package installation and removal: add Add packages to WORLD and commit changes del Remove packages from WORLD and commit changes System maintenance: fix Check WORLD against the system and ensure consistency update Update repository indexes upgrade Install upgrades available from repositories cache Commands related to the management of an offline package cache Querying package information: info Give detailed information about packages or repositories list List packages matching a pattern or other criteria dot Generate graphviz graphs policy Show repository policy for packages Repository maintenance: index Create repository index file from packages fetch Download packages from global repositories to a local directory manifest Show checksums of package contents verify Verify package integrity and signature Miscellaneous: audit Audit directories for changes stats Show statistics about repositories and installations version Compare package versions or perform tests on version strings This apk has coffee making abilities. -- And applet specific help like: -- usage: apk add [<OPTIONS>...] PACKAGES... Description: apk add adds the requested packages to WORLD and installs (or upgrades) them if not already present, ensuring all dependencies are met. Options: --initdb Initialize a new package database -l, --latest Disables normal heuristics for choosing which repository to install a -u, --upgrade When adding packages which are already installed, upgrade them rather -t, --virtual NAME Instead of adding the specified packages to WORLD, create a new --no-chown Do not change file owner or group --
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{
#ifndef NO_HELP
add script to autogenerate help from man pages This creates main help like: -- usage: apk [<OPTIONS>...] COMMAND [<ARGUMENTS>...] Package installation and removal: add Add packages to WORLD and commit changes del Remove packages from WORLD and commit changes System maintenance: fix Check WORLD against the system and ensure consistency update Update repository indexes upgrade Install upgrades available from repositories cache Commands related to the management of an offline package cache Querying package information: info Give detailed information about packages or repositories list List packages matching a pattern or other criteria dot Generate graphviz graphs policy Show repository policy for packages Repository maintenance: index Create repository index file from packages fetch Download packages from global repositories to a local directory manifest Show checksums of package contents verify Verify package integrity and signature Miscellaneous: audit Audit directories for changes stats Show statistics about repositories and installations version Compare package versions or perform tests on version strings This apk has coffee making abilities. -- And applet specific help like: -- usage: apk add [<OPTIONS>...] PACKAGES... Description: apk add adds the requested packages to WORLD and installs (or upgrades) them if not already present, ensuring all dependencies are met. Options: --initdb Initialize a new package database -l, --latest Disables normal heuristics for choosing which repository to install a -u, --upgrade When adding packages which are already installed, upgrade them rather -t, --virtual NAME Instead of adding the specified packages to WORLD, create a new --no-chown Do not change file owner or group --
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char buf[uncompressed_help_size], *ptr, *msg;
unsigned long len = sizeof buf;
int num = 0;
uncompress((unsigned char*) buf, &len, compressed_help, sizeof compressed_help);
for (ptr = buf; *ptr && ptr < &buf[len]; ptr = msg + strlen(msg) + 1) {
msg = ptr + strlen(ptr) + 1;
if (is_group(applet, ptr)) {
fputc('\n', stdout);
fwrite(msg, strlen(msg), 1, stdout);
num++;
}
}
if (num == 0) apk_err(out, "Help not found");
#else
fputc('\n', stdout);
apk_err(out, "This apk-tools has been built without help");
#endif
add script to autogenerate help from man pages This creates main help like: -- usage: apk [<OPTIONS>...] COMMAND [<ARGUMENTS>...] Package installation and removal: add Add packages to WORLD and commit changes del Remove packages from WORLD and commit changes System maintenance: fix Check WORLD against the system and ensure consistency update Update repository indexes upgrade Install upgrades available from repositories cache Commands related to the management of an offline package cache Querying package information: info Give detailed information about packages or repositories list List packages matching a pattern or other criteria dot Generate graphviz graphs policy Show repository policy for packages Repository maintenance: index Create repository index file from packages fetch Download packages from global repositories to a local directory manifest Show checksums of package contents verify Verify package integrity and signature Miscellaneous: audit Audit directories for changes stats Show statistics about repositories and installations version Compare package versions or perform tests on version strings This apk has coffee making abilities. -- And applet specific help like: -- usage: apk add [<OPTIONS>...] PACKAGES... Description: apk add adds the requested packages to WORLD and installs (or upgrades) them if not already present, ensuring all dependencies are met. Options: --initdb Initialize a new package database -l, --latest Disables normal heuristics for choosing which repository to install a -u, --upgrade When adding packages which are already installed, upgrade them rather -t, --virtual NAME Instead of adding the specified packages to WORLD, create a new --no-chown Do not change file owner or group --
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}