mirror of
https://github.com/ostreedev/ostree.git
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86 lines
2.9 KiB
JavaScript
86 lines
2.9 KiB
JavaScript
#!/usr/bin/env gjs
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//
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// Copyright (C) 2013,2014 Colin Walters <walters@verbum.org>
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the
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// Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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// Boston, MA 02111-1307, USA.
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// PURPOSE: This script runs in an infinite loop; it alternates
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// upgrading and downgrading. The idea is that a parent test process
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// could watch the output, and assert that the system is in a
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// consistent state if this script is killed and restarted. randomly.
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const GLib = imports.gi.GLib;
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const Gio = imports.gi.Gio;
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const OSTree = imports.gi.OSTree;
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let sysroot = OSTree.Sysroot.new_default();
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sysroot.load(null);
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let [,repo] = sysroot.get_repo(null);
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let deployments = sysroot.get_deployments();
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if (deployments.length == 0)
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throw new Error("No deployments");
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let firstDeployment = deployments[0];
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let startingRevision = firstDeployment.get_csum();
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print("Using OS= " + firstDeployment.get_osname() + " revision=" + startingRevision);
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let origin = firstDeployment.get_origin();
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let refspec = origin.get_string('origin', 'refspec');
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let [,remote,ref] = OSTree.parse_refspec(refspec);
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print("Using origin remote=" + remote + " ref=" + ref);
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repo.pull(remote, [ref], 0, null, null);
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let [,newRev] = repo.resolve_rev(refspec, false);
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let targetRev = null;
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while (true) {
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sysroot.cleanup(null);
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if (startingRevision == newRev) {
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print("Starting revision is current");
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let [,commitObject] = repo.load_variant(OSTree.ObjectType.COMMIT, startingRevision);
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targetRev = OSTree.commit_get_parent(commitObject);
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print("Using parent target revision " + targetRev);
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repo.pull(remote, [targetRev], 0, null, null);
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} else {
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print("Starting revision is older, using target revision " + newRev);
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targetRev = newRev;
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}
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let origin = sysroot.origin_new_from_refspec(refspec);
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print("DEPLOY BEGIN revision=" + targetRev);
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let [,newDeployment] = sysroot.deploy_tree(firstDeployment.get_osname(), targetRev, origin,
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firstDeployment, null,
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null);
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print("DEPLOY END revision=" + targetRev);
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let newDeployments = [newDeployment, firstDeployment];
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sysroot.write_deployments(newDeployments, null);
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sysroot.load(null);
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sysroot.cleanup(null);
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let deployments = sysroot.get_deployments();
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if (deployments.length == 0)
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throw new Error("No deployments");
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firstDeployment = deployments[0];
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}
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