pamac-classic/src/daemon.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/>.
*/
using Alpm;
using Polkit;
// i18n
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const string GETTEXT_PACKAGE = "pamac";
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Pamac.Daemon pamac_daemon;
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MainLoop loop;
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namespace Pamac {
[DBus (name = "org.manjaro.pamac")]
public class Daemon : Object {
string[] syncfirst;
string[] holdpkg;
string[] ignorepkg;
Handle? handle;
public uint64 previous_percent;
int force_refresh;
bool emit_refreshed_signal;
public Cond provider_cond;
public Mutex provider_mutex;
public int? choosen_provider;
public signal void emit_event (uint event, string[] details);
public signal void emit_providers (string depend, string[] providers);
public signal void emit_progress (uint progress, string pkgname, int percent, uint n_targets, uint current_target);
public signal void emit_download (string filename, uint64 xfered, uint64 total);
public signal void emit_totaldownload (uint64 total);
public signal void emit_log (uint level, string msg);
public signal void emit_refreshed (ErrorInfos error);
public signal void emit_trans_prepared (ErrorInfos error);
public signal void emit_trans_committed (ErrorInfos error);
public Daemon () {
}
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private void init_alpm_config () {
var alpm_config = new Alpm.Config ("/etc/pacman.conf");
syncfirst = alpm_config.get_syncfirst ();
holdpkg = alpm_config.get_holdpkg ();
ignorepkg = alpm_config.get_ignore_pkgs ();
handle = alpm_config.get_handle ();
if (handle == null) {
ErrorInfos err = ErrorInfos ();
err.str = _("Failed to initialize alpm library");
emit_trans_committed (err);
} else {
handle.eventcb = (EventCallBack) cb_event;
handle.progresscb = (ProgressCallBack) cb_progress;
handle.questioncb = (QuestionCallBack) cb_question;
handle.dlcb = (DownloadCallBack) cb_download;
handle.totaldlcb = (TotalDownloadCallBack) cb_totaldownload;
handle.logcb = (LogCallBack) cb_log;
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}
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previous_percent = 0;
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}
public async void write_config (HashTable<string,string> new_conf, GLib.BusName sender) {
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var pamac_config = new Pamac.Config ("/etc/pamac.conf");
try {
Polkit.Authority authority = Polkit.Authority.get_sync (null);
Polkit.Subject subject = Polkit.SystemBusName.new (sender);
Polkit.AuthorizationResult result = yield authority.check_authorization (
subject,
"org.manjaro.pamac.commit",
null,
Polkit.CheckAuthorizationFlags.ALLOW_USER_INTERACTION,
null
);
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if (result.get_is_authorized ()) {
pamac_config.write (new_conf);
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}
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} catch (GLib.Error e) {
stderr.printf ("%s\n", e.message);
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}
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}
public async void set_pkgreason (string pkgname, uint reason, GLib.BusName sender) {
try {
Polkit.Authority authority = Polkit.Authority.get_sync (null);
Polkit.Subject subject = Polkit.SystemBusName.new (sender);
Polkit.AuthorizationResult result = yield authority.check_authorization (
subject,
"org.manjaro.pamac.commit",
null,
Polkit.CheckAuthorizationFlags.ALLOW_USER_INTERACTION,
null
);
if (result.get_is_authorized ()) {
init_alpm_config ();
unowned Package? pkg = handle.localdb.get_pkg (pkgname);
if (pkg != null)
pkg.reason = (PkgReason) reason;
}
} catch (GLib.Error e) {
stderr.printf ("%s\n", e.message);
}
}
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private int refresh_real () {
init_alpm_config ();
ErrorInfos err = ErrorInfos ();
string[] details = {};
int success = 0;
int ret = handle.trans_init (0);
if (ret == 0) {
foreach (var db in handle.syncdbs) {
ret = db.update (force_refresh);
if (ret >= 0) {
success++;
}
}
// We should always succeed if at least one DB was upgraded - we may possibly
// fail later with unresolved deps, but that should be rare, and would be expected
if (success == 0) {
err.str = _("Failed to synchronize any databases");
details += Alpm.strerror (handle.errno ());
err.details = details;
}
trans_release ();
} else {
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err.str = _("Failed to synchronize any databases");
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details += Alpm.strerror (handle.errno ());
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err.details = details;
}
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if (emit_refreshed_signal)
emit_refreshed (err);
return success;
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}
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public void refresh (int force, bool emit_signal) {
force_refresh = force;
emit_refreshed_signal = emit_signal;
try {
new Thread<int>.try ("refresh thread", (ThreadFunc) refresh_real);
} catch (GLib.Error e) {
stderr.printf ("%s\n", e.message);
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}
}
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public UpdatesInfos[] get_updates () {
init_alpm_config ();
var pamac_config = new Pamac.Config ("/etc/pamac.conf");
UpdatesInfos[] updates = {};
updates = get_syncfirst_updates (handle, syncfirst);
if (updates.length != 0) {
return updates;
} else {
updates = get_repos_updates (handle, ignorepkg);
if (pamac_config.enable_aur) {
UpdatesInfos[] aur_updates = get_aur_updates (handle, ignorepkg);
foreach (var infos in aur_updates)
updates += infos;
}
return updates;
}
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}
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public ErrorInfos trans_init (TransFlag transflags) {
init_alpm_config ();
ErrorInfos err = ErrorInfos ();
string[] details = {};
int ret = handle.trans_init (transflags);
if (ret == -1) {
err.str = _("Failed to init transaction");
details += Alpm.strerror (handle.errno ());
err.details = details;
}
return err;
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}
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public ErrorInfos trans_sysupgrade (int enable_downgrade) {
ErrorInfos err = ErrorInfos ();
string[] details = {};
int ret = handle.trans_sysupgrade (enable_downgrade);
if (ret == -1) {;
err.str = _("Failed to prepare transaction");
details += Alpm.strerror (handle.errno ());
err.details = details;
}
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return err;
}
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public ErrorInfos trans_add_pkg (string pkgname) {
ErrorInfos err = ErrorInfos ();
string[] details = {};
unowned Package? pkg = null;
pkg = handle.find_dbs_satisfier (handle.syncdbs, pkgname);
//foreach (var db in handle.syncdbs) {
//pkg = find_satisfier (db.pkgcache, pkgname);
//if (pkg != null)
//break;
//}
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if (pkg == null) {
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err.str = _("Failed to prepare transaction");
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details += _("target not found: %s").printf (pkgname);
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err.details = details;
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return err;
}
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int ret = handle.trans_add_pkg (pkg);
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if (ret == -1) {
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Alpm.Errno errno = handle.errno ();
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if (errno == Errno.TRANS_DUP_TARGET || errno == Errno.PKG_IGNORED)
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// just skip duplicate or ignored targets
return err;
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else {
err.str = _("Failed to prepare transaction");
details += "%s: %s".printf (pkg.name, Alpm.strerror (errno));
err.details = details;
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return err;
}
}
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return err;
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}
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public ErrorInfos trans_load_pkg (string pkgpath) {
ErrorInfos err = ErrorInfos ();
string[] details = {};
Package* pkg = handle.load_file (pkgpath, 1, handle.localfilesiglevel);
if (pkg == null) {
err.str = _("Failed to prepare transaction");
details += "%s: %s".printf (pkgpath, Alpm.strerror (handle.errno ()));
err.details = details;
return err;
} else {
int ret = handle.trans_add_pkg (pkg);
if (ret == -1) {
Alpm.Errno errno = handle.errno ();
if (errno == Errno.TRANS_DUP_TARGET || errno == Errno.PKG_IGNORED)
// just skip duplicate or ignored targets
return err;
else {
err.str = _("Failed to prepare transaction");
details += "%s: %s".printf (pkg->name, Alpm.strerror (errno));
err.details = details;
return err;
}
// free the package because it will not be used
delete pkg;
}
}
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return err;
}
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public ErrorInfos trans_remove_pkg (string pkgname) {
ErrorInfos err = ErrorInfos ();
string[] details = {};
unowned Package? pkg = handle.localdb.get_pkg (pkgname);
if (pkg == null) {
err.str = _("Failed to prepare transaction");
details += _("target not found: %s").printf (pkgname);
err.details = details;
return err;
}
int ret = handle.trans_remove_pkg (pkg);
if (ret == -1) {
err.str = _("Failed to prepare transaction");
details += "%s: %s".printf (pkg.name, Alpm.strerror (handle.errno ()));
err.details = details;
}
return err;
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}
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public int trans_prepare_real () {
ErrorInfos err = ErrorInfos ();
string[] details = {};
Alpm.List<void*> err_data = null;
int ret = handle.trans_prepare (out err_data);
if (ret == -1) {
Alpm.Errno errno = handle.errno ();
err.str = _("Failed to prepare transaction");
string detail = Alpm.strerror (errno);
switch (errno) {
case Errno.PKG_INVALID_ARCH:
detail += ":";
details += detail;
foreach (void *i in err_data) {
char *pkgname = i;
details += _("package %s does not have a valid architecture").printf (pkgname);
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}
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break;
case Errno.UNSATISFIED_DEPS:
detail += ":";
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details += detail;
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foreach (void *i in err_data) {
DepMissing *miss = i;
string depstring = miss->depend.compute_string ();
details += _("%s: requires %s").printf (miss->target, depstring);
}
break;
case Errno.CONFLICTING_DEPS:
detail += ":";
details += detail;
foreach (void *i in err_data) {
Conflict *conflict = i;
detail = _("%s and %s are in conflict").printf (conflict->package1, conflict->package2);
// only print reason if it contains new information
if (conflict->reason.mod != DepMod.ANY) {
detail += " (%s)".printf (conflict->reason.compute_string ());
}
details += detail;
}
break;
default:
details += detail;
break;
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}
err.details = details;
trans_release ();
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} else {
// Search for holdpkg in target list
bool found_locked_pkg = false;
foreach (var pkg in handle.trans_to_remove ()) {
if (pkg.name in holdpkg) {
details += _("%s needs to be removed but it is a locked package").printf (pkg.name);
found_locked_pkg = true;
break;
}
}
if (found_locked_pkg) {
err.str = _("Failed to prepare transaction");
err.details = details;
trans_release ();
}
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}
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emit_trans_prepared (err);
return ret;
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}
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public void trans_prepare () {
try {
new Thread<int>.try ("prepare thread", (ThreadFunc) trans_prepare_real);
} catch (GLib.Error e) {
stderr.printf ("%s\n", e.message);
}
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}
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public void choose_provider (int provider) {
provider_mutex.lock ();
choosen_provider = provider;
provider_cond.signal ();
provider_mutex.unlock ();
}
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public UpdatesInfos[] trans_to_add () {
UpdatesInfos info = UpdatesInfos ();
UpdatesInfos[] infos = {};
foreach (var pkg in handle.trans_to_add ()) {
info.name = pkg.name;
info.version = pkg.version;
// if pkg was load from a file, pkg.db is null
if (pkg.db != null)
info.db_name = pkg.db.name;
else
info.db_name = "";
info.tarpath = "";
info.download_size = pkg.download_size;
infos += info;
}
return infos;
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}
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public UpdatesInfos[] trans_to_remove () {
UpdatesInfos info = UpdatesInfos ();
UpdatesInfos[] infos = {};
foreach (var pkg in handle.trans_to_remove ()) {
info.name = pkg.name;
info.version = pkg.version;
info.db_name = pkg.db.name;
info.tarpath = "";
info.download_size = pkg.download_size;
infos += info;
}
return infos;
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}
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private int trans_commit_real () {
ErrorInfos err = ErrorInfos ();
string[] details = {};
Alpm.List<void*> err_data = null;
int ret = handle.trans_commit (out err_data);
if (ret == -1) {
Alpm.Errno errno = handle.errno ();
err.str = _("Failed to commit transaction");
string detail = Alpm.strerror (errno);
switch (errno) {
case Alpm.Errno.FILE_CONFLICTS:
detail += ":";
details += detail;
//TransFlag flags = handle.trans_get_flags ();
//if ((flags & TransFlag.FORCE) != 0) {
//details += _("unable to %s directory-file conflicts").printf ("--force");
//}
foreach (void *i in err_data) {
FileConflict *conflict = i;
switch (conflict->type) {
case FileConflictType.TARGET:
details += _("%s exists in both %s and %s").printf (conflict->file, conflict->target, conflict->ctarget);
break;
case FileConflictType.FILESYSTEM:
details += _("%s: %s already exists in filesystem").printf (conflict->target, conflict->file);
break;
}
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}
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break;
case Alpm.Errno.PKG_INVALID:
case Alpm.Errno.PKG_INVALID_CHECKSUM:
case Alpm.Errno.PKG_INVALID_SIG:
case Alpm.Errno.DLT_INVALID:
detail += ":";
details += detail;
foreach (void *i in err_data) {
char *filename = i;
details += _("%s is invalid or corrupted").printf (filename);
}
break;
default:
details += detail;
break;
}
err.details = details;
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}
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trans_release ();
emit_trans_committed (err);
return ret;
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}
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public void trans_commit (GLib.BusName sender) {
try {
Polkit.Authority authority = Polkit.Authority.get_sync (null);
Polkit.Subject subject = Polkit.SystemBusName.new (sender);
var result = new Polkit.AuthorizationResult (false, false, null);
authority.check_authorization.begin (
subject,
"org.manjaro.pamac.commit",
null,
Polkit.CheckAuthorizationFlags.ALLOW_USER_INTERACTION,
null,
(obj, res) => {
try {
result = authority.check_authorization.end (res);
if (result.get_is_authorized ()) {
new Thread<int>.try ("commit thread", (ThreadFunc) trans_commit_real);
} else {
ErrorInfos err = ErrorInfos ();
err.str = dgettext (null, "Authentication failed");
emit_trans_committed (err);
trans_release ();
}
} catch (GLib.Error e) {
stderr.printf ("Polkit Error: %s\n", e.message);
}
}
);
} catch (GLib.Error e) {
stderr.printf ("Polkit Error: %s\n", e.message);
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}
}
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public int trans_release () {
return handle.trans_release ();
}
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public void trans_cancel () {
handle.trans_interrupt ();
handle.trans_release ();
}
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public void quit () {
GLib.File lockfile = GLib.File.new_for_path ("/var/lib/pacman/db.lck");
if (lockfile.query_exists () == false)
loop.quit ();
}
// End of Daemon Object
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}
}
private void write_log_file (string event) {
var now = new DateTime.now_local ();
string log = "%s %s".printf (now.format ("[%Y-%m-%d %H:%M]"), event);
var file = GLib.File.new_for_path ("/var/log/pamac.log");
try {
// creating a DataOutputStream to the file
var dos = new DataOutputStream (file.append_to (FileCreateFlags.NONE));
// writing a short string to the stream
dos.put_string (log);
} catch (GLib.Error e) {
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stderr.printf("%s\n", e.message);
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}
}
private void cb_event (Event event, void *data1, void *data2) {
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string[] details = {};
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switch (event) {
case Event.ADD_START:
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case Event.REMOVE_START:
case Event.REINSTALL_START:
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unowned Package pkg = (Package) data1;
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details += pkg.name;
details += pkg.version;
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break;
case Event.ADD_DONE:
unowned Package pkg = (Package) data1;
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string log = "Installed %s (%s)\n".printf (pkg.name, pkg.version);
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write_log_file (log);
break;
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case Event.REMOVE_DONE:
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unowned Package pkg = (Package) data1;
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string log = "Removed %s (%s)\n".printf (pkg.name, pkg.version);
write_log_file (log);
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break;
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case Event.REINSTALL_DONE:
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unowned Package pkg = (Package) data1;
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string log = "Reinstalled %s (%s)\n".printf (pkg.name, pkg.version);
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write_log_file (log);
break;
case Event.UPGRADE_START:
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case Event.DOWNGRADE_START:
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unowned Package new_pkg = (Package) data1;
unowned Package old_pkg = (Package) data2;
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details += old_pkg.name;
details += old_pkg.version;
details += new_pkg.version;
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break;
case Event.UPGRADE_DONE:
unowned Package new_pkg = (Package) data1;
unowned Package old_pkg = (Package) data2;
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string log = "Upgraded %s (%s -> %s)\n".printf (old_pkg.name, old_pkg.version, new_pkg.version);
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write_log_file (log);
break;
case Event.DOWNGRADE_DONE:
unowned Package new_pkg = (Package) data1;
unowned Package old_pkg = (Package) data2;
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string log = "Downgraded %s (%s -> %s)\n".printf (old_pkg.name, old_pkg.version, new_pkg.version);
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write_log_file (log);
break;
case Event.DELTA_PATCH_START:
unowned string string1 = (string) data1;
unowned string string2 = (string) data2;
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details += string1;
details += string2;
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break;
case Event.SCRIPTLET_INFO:
unowned string info = (string) data1;
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details += info;
write_log_file (info);
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break;
case Event.OPTDEP_REQUIRED:
unowned Package pkg = (Package) data1;
Depend *depend = data2;
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details += pkg.name;
details += depend->compute_string ();
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break;
case Event.DATABASE_MISSING:
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unowned string db_name = (string) data1;
details += db_name;
break;
//~ case Event.CHECKDEPS_START:
//~ case Event.CHECKDEPS_DONE:
//~ case Event.FILECONFLICTS_START:
//~ case Event.FILECONFLICTS_DONE:
//~ case Event.RESOLVEDEPS_START:
//~ case Event.RESOLVEDEPS_DONE:
//~ case Event.INTERCONFLICTS_START:
//~ case Event.INTERCONFLICTS_DONE:
//~ case Event.INTEGRITY_START:
//~ case Event.INTEGRITY_DONE:
//~ case Event.KEYRING_START:
//~ case Event.KEYRING_DONE:
//~ case Event.KEY_DOWNLOAD_START:
//~ case Event.KEY_DOWNLOAD_DONE:
//~ case Event.LOAD_START:
//~ case Event.LOAD_DONE:
//~ case Event.DELTA_INTEGRITY_START:
//~ case Event.DELTA_INTEGRITY_DONE:
//~ case Event.DELTA_PATCHES_START:
//~ case Event.DELTA_PATCHES_DONE:
//~ case Event.DELTA_PATCH_DONE:
//~ case Event.DELTA_PATCH_FAILED:
//~ case Event.RETRIEVE_START:
//~ case Event.DISKSPACE_START:
//~ case Event.DISKSPACE_DONE:
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default:
break;
}
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pamac_daemon.emit_event ((uint) event, details);
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}
private void cb_question (Question question, void *data1, void *data2, void *data3, out int response) {
switch (question) {
case Question.INSTALL_IGNOREPKG:
// Do not install package in IgnorePkg/IgnoreGroup
response = 0;
break;
case Question.REPLACE_PKG:
// Auto-remove conflicts in case of replaces
response = 1;
break;
case Question.CONFLICT_PKG:
// Auto-remove conflicts
response = 1;
break;
case Question.REMOVE_PKGS:
// Do not upgrade packages which have unresolvable dependencies
response = 1;
break;
case Question.SELECT_PROVIDER:
unowned Alpm.List<Package?> providers = (Alpm.List<Package?>) data1;
Depend *depend = data2;
string depend_str = depend->compute_string ();
string[] providers_str = {};
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foreach (var pkg in providers) {
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providers_str += pkg.name;
}
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pamac_daemon.provider_cond = Cond ();
pamac_daemon.provider_mutex = Mutex ();
pamac_daemon.choosen_provider = null;
pamac_daemon.emit_providers (depend_str, providers_str);
pamac_daemon.provider_mutex.lock ();
while (pamac_daemon.choosen_provider == null) {
pamac_daemon.provider_cond.wait (pamac_daemon.provider_mutex);
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}
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response = pamac_daemon.choosen_provider;
pamac_daemon.provider_mutex.unlock ();
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break;
case Question.CORRUPTED_PKG:
// Auto-remove corrupted pkgs in cache
response = 1;
break;
case Question.IMPORT_KEY:
PGPKey *key = data1;
// Do not get revoked key
if (key->revoked == 1) response = 0;
// Auto get not revoked key
else response = 1;
break;
default:
response = 0;
break;
}
}
private void cb_progress (Progress progress, string pkgname, int percent, uint n_targets, uint current_target) {
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//~ switch (progress) {
//~ case Progress.ADD_START:
//~ case Progress.UPGRADE_START:
//~ case Progress.DOWNGRADE_START:
//~ case Progress.REINSTALL_START:
//~ case Progress.REMOVE_START:
//~ case Progress.CONFLICTS_START:
//~ case Progress.DISKSPACE_START:
//~ case Progress.INTEGRITY_START:
//~ case Progress.KEYRING_START:
//~ case Progress.LOAD_START:
//~ default:
//~ break;
//~ }
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if ((uint64) percent != pamac_daemon.previous_percent) {
pamac_daemon.previous_percent = (uint64) percent;
pamac_daemon.emit_progress ((uint) progress, pkgname, percent, n_targets, current_target);
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}
}
private void cb_download (string filename, uint64 xfered, uint64 total) {
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if (xfered != pamac_daemon.previous_percent) {
pamac_daemon.previous_percent = xfered;
pamac_daemon.emit_download (filename, xfered, total);
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}
}
private void cb_totaldownload (uint64 total) {
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pamac_daemon.emit_totaldownload (total);
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}
private void cb_log (LogLevel level, string fmt, va_list args) {
LogLevel logmask = LogLevel.ERROR | LogLevel.WARNING;
if ((level & logmask) == 0)
return;
string? log = null;
log = fmt.vprintf (args);
if (log != null)
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pamac_daemon.emit_log ((uint) level, log);
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}
void on_bus_acquired (DBusConnection conn) {
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pamac_daemon = new Pamac.Daemon ();
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try {
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conn.register_object ("/org/manjaro/pamac", pamac_daemon);
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}
catch (IOError e) {
stderr.printf ("Could not register service\n");
}
}
void main () {
// i18n
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Intl.setlocale (LocaleCategory.ALL, "");
Intl.textdomain (GETTEXT_PACKAGE);
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Bus.own_name (BusType.SYSTEM, "org.manjaro.pamac", BusNameOwnerFlags.NONE,
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on_bus_acquired,
() => {},
() => stderr.printf("Could not acquire name\n"));
loop = new MainLoop ();
loop.run ();
}