pamac-classic/src/alpm_config.vala

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Vala
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/*
* pamac-vala
*
* Copyright (C) 2014 Guillaume Benoit <guillaume@manjaro.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a get of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
namespace Alpm {
class Repo {
public string name;
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public Signature.Level siglevel;
public DB.Usage usage;
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public string[] urls;
public Repo (string name) {
this.name = name;
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usage = 0;
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urls = {};
}
}
public class Config {
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string conf_path;
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string rootdir;
string dbpath;
string gpgdir;
string logfile;
string arch;
double deltaratio;
int usesyslog;
int checkspace;
string[] cachedir;
string[] ignoregroup;
string[] ignorepkg;
string[] noextract;
string[] noupgrade;
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string[] priv_holdpkg;
string[] priv_syncfirst;
public string[] holdpkg;
public string[] syncfirst;
Signature.Level defaultsiglevel;
Signature.Level localfilesiglevel;
Signature.Level remotefilesiglevel;
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Repo[] repo_order;
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public unowned Handle? handle;
string[] priv_ignore_pkgs;
public string[] ignore_pkgs;
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public Config (string path) {
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conf_path = path;
handle = null;
reload ();
}
public void reload () {
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rootdir = "/";
dbpath = "/var/lib/pacman";
gpgdir = "/etc/pacman.d/gnupg/";
logfile = "/var/log/pacman.log";
arch = Posix.utsname().machine;
cachedir = {"/var/cache/pacman/pkg/"};
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priv_holdpkg = {};
priv_syncfirst = {};
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ignoregroup = {};
ignorepkg = {};
noextract = {};
noupgrade = {};
usesyslog = 0;
checkspace = 0;
deltaratio = 0.7;
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defaultsiglevel = Signature.Level.PACKAGE | Signature.Level.PACKAGE_OPTIONAL | Signature.Level.DATABASE | Signature.Level.DATABASE_OPTIONAL;
localfilesiglevel = Signature.Level.USE_DEFAULT;
remotefilesiglevel = Signature.Level.USE_DEFAULT;
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repo_order = {};
// parse conf file
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parse_file (conf_path);
get_handle ();
get_ignore_pkgs ();
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}
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public void get_ignore_pkgs () {
priv_ignore_pkgs = {};
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unowned Group? group = null;
if (handle != null) {
foreach (string name in ignorepkg)
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priv_ignore_pkgs += name;
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foreach (string grp_name in ignoregroup) {
group = handle.localdb.get_group (grp_name);
if (group != null) {
foreach (unowned Package found_pkg in group.packages)
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priv_ignore_pkgs += found_pkg.name;
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}
}
}
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ignore_pkgs = priv_ignore_pkgs;
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}
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public void get_handle () {
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Alpm.Errno error;
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if (handle != null)
Handle.release (handle);
handle = Handle.new (rootdir, dbpath, out error);
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if (handle == null) {
stderr.printf ("Failed to initialize alpm library" + " (%s)\n".printf(Alpm.strerror (error)));
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return;
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}
// define options
handle.gpgdir = gpgdir;
handle.logfile = logfile;
handle.arch = arch;
handle.deltaratio = deltaratio;
handle.usesyslog = usesyslog;
handle.checkspace = checkspace;
handle.defaultsiglevel = defaultsiglevel;
handle.localfilesiglevel = localfilesiglevel;
handle.remotefilesiglevel = remotefilesiglevel;
foreach (string dir in cachedir)
handle.add_cachedir (dir);
foreach (string name in ignoregroup)
handle.add_ignoregroup (name);
foreach (string name in ignorepkg)
handle.add_ignorepkg (name);
foreach (string name in noextract)
handle.add_noextract (name);
foreach (string name in noupgrade)
handle.add_noupgrade (name);
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// register dbs
foreach (Repo repo in repo_order) {
unowned DB db = handle.register_syncdb (repo.name, repo.siglevel);
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foreach (string url in repo.urls)
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db.add_server (url.replace ("$repo", repo.name).replace ("$arch", handle.arch));
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if (repo.usage == 0)
db.usage = DB.Usage.ALL;
else
db.usage = repo.usage;
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}
}
public void parse_file (string path, string? section = null) {
string current_section = section;
var file = GLib.File.new_for_path (path);
if (file.query_exists () == false)
GLib.stderr.printf ("File '%s' doesn't exist.\n", file.get_path ());
else {
try {
// Open file for reading and wrap returned FileInputStream into a
// DataInputStream, so we can read line by line
var dis = new DataInputStream (file.read ());
string line;
// Read lines until end of file (null) is reached
while ((line = dis.read_line (null)) != null) {
line = line.strip ();
if (line.length == 0) continue;
if (line[0] == '#') continue;
if (line[0] == '[' && line[line.length-1] == ']') {
current_section = line[1:-1];
if (current_section != "options") {
Repo repo = new Repo (current_section);
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repo.siglevel = defaultsiglevel;
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repo_order += repo;
}
continue;
}
string[] splitted = line.split ("=");
string _key = splitted[0].strip ();
string _value = null;
if (splitted[1] != null)
_value = splitted[1].strip ();
if (_key == "Include")
parse_file (_value, current_section);
if (current_section == "options") {
if (_key == "GPGDir")
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gpgdir = _value;
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else if (_key == "LogFile")
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logfile = _value;
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else if (_key == "Architecture") {
if (_value == "auto")
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arch = Posix.utsname ().machine;
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else
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arch = _value;
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} else if (_key == "UseDelta")
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deltaratio = double.parse (_value);
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else if (_key == "UseSysLog")
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usesyslog = 1;
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else if (_key == "CheckSpace")
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checkspace = 1;
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else if (_key == "SigLevel")
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defaultsiglevel = define_siglevel (defaultsiglevel, _value);
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else if (_key == "LocalSigLevel")
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localfilesiglevel = merge_siglevel (defaultsiglevel, define_siglevel (localfilesiglevel, _value));
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else if (_key == "RemoteSigLevel")
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remotefilesiglevel = merge_siglevel (defaultsiglevel, define_siglevel (remotefilesiglevel, _value));
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else if (_key == "HoldPkg") {
foreach (string name in _value.split (" ")) {
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priv_holdpkg += name;
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}
} else if (_key == "SyncFirst") {
foreach (string name in _value.split (" ")) {
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priv_syncfirst += name;
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}
} else if (_key == "CacheDir") {
foreach (string dir in _value.split (" ")) {
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cachedir += dir;
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}
} else if (_key == "IgnoreGroup") {
foreach (string name in _value.split (" ")) {
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ignoregroup += name;
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}
} else if (_key == "IgnorePkg") {
foreach (string name in _value.split (" ")) {
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ignorepkg += name;
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}
} else if (_key == "Noextract") {
foreach (string name in _value.split (" ")) {
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noextract += name;
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}
} else if (_key == "NoUpgrade") {
foreach (string name in _value.split (" ")) {
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noupgrade += name;
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}
}
} else {
foreach (Repo _repo in repo_order) {
if (_repo.name == current_section) {
if (_key == "Server")
_repo.urls += _value;
else if (_key == "SigLevel")
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_repo.siglevel = define_siglevel (defaultsiglevel, _value);
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else if (_key == "Usage")
_repo.usage = define_usage (_value);
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}
}
}
}
} catch (GLib.Error e) {
GLib.stderr.printf("%s\n", e.message);
}
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holdpkg = priv_holdpkg;
syncfirst = priv_syncfirst;
}
}
public DB.Usage define_usage (string conf_string) {
DB.Usage usage = 0;
foreach (string directive in conf_string.split(" ")) {
if (directive == "Sync") {
usage |= DB.Usage.SYNC;
} else if (directive == "Search") {
usage |= DB.Usage.SEARCH;
} else if (directive == "Install") {
usage |= DB.Usage.INSTALL;
} else if (directive == "Upgrade") {
usage |= DB.Usage.UPGRADE;
} else if (directive == "All") {
usage |= DB.Usage.ALL;
}
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}
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return usage;
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}
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public Signature.Level define_siglevel (Signature.Level default_level, string conf_string) {
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foreach (string directive in conf_string.split(" ")) {
bool affect_package = false;
bool affect_database = false;
if ("Package" in directive) affect_package = true;
else if ("Database" in directive) affect_database = true;
else {
affect_package = true;
affect_database = true;
}
if ("Never" in directive) {
if (affect_package) {
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default_level &= ~Signature.Level.PACKAGE;
default_level |= Signature.Level.PACKAGE_SET;
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}
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if (affect_database) default_level &= ~Signature.Level.DATABASE;
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}
else if ("Optional" in directive) {
if (affect_package) {
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default_level |= Signature.Level.PACKAGE;
default_level |= Signature.Level.PACKAGE_OPTIONAL;
default_level |= Signature.Level.PACKAGE_SET;
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}
if (affect_database) {
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default_level |= Signature.Level.DATABASE;
default_level |= Signature.Level.DATABASE_OPTIONAL;
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}
}
else if ("Required" in directive) {
if (affect_package) {
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default_level |= Signature.Level.PACKAGE;
default_level &= ~Signature.Level.PACKAGE_OPTIONAL;
default_level |= Signature.Level.PACKAGE_SET;
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}
if (affect_database) {
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default_level |= Signature.Level.DATABASE;
default_level &= ~Signature.Level.DATABASE_OPTIONAL;
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}
}
else if ("TrustedOnly" in directive) {
if (affect_package) {
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default_level &= ~Signature.Level.PACKAGE_MARGINAL_OK;
default_level &= ~Signature.Level.PACKAGE_UNKNOWN_OK;
default_level |= Signature.Level.PACKAGE_TRUST_SET;
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}
if (affect_database) {
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default_level &= ~Signature.Level.DATABASE_MARGINAL_OK;
default_level &= ~Signature.Level.DATABASE_UNKNOWN_OK;
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}
}
else if ("TrustAll" in directive) {
if (affect_package) {
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default_level |= Signature.Level.PACKAGE_MARGINAL_OK;
default_level |= Signature.Level.PACKAGE_UNKNOWN_OK;
default_level |= Signature.Level.PACKAGE_TRUST_SET;
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}
if (affect_database) {
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default_level |= Signature.Level.DATABASE_MARGINAL_OK;
default_level |= Signature.Level.DATABASE_UNKNOWN_OK;
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}
}
else GLib.stderr.printf("unrecognized siglevel: %s\n", conf_string);
}
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default_level &= ~Signature.Level.USE_DEFAULT;
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return default_level;
}
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public Signature.Level merge_siglevel (Signature.Level base_level, Signature.Level over_level) {
if ((over_level & Signature.Level.USE_DEFAULT) != 0) over_level = base_level;
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else {
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if ((over_level & Signature.Level.PACKAGE_SET) == 0) {
over_level |= base_level & Signature.Level.PACKAGE;
over_level |= base_level & Signature.Level.PACKAGE_OPTIONAL;
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}
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if ((over_level & Signature.Level.PACKAGE_TRUST_SET) == 0) {
over_level |= base_level & Signature.Level.PACKAGE_MARGINAL_OK;
over_level |= base_level & Signature.Level.PACKAGE_UNKNOWN_OK;
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}
}
return over_level;
}
}
}