1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
#!/usr/bin/env gjs
//
// Copyright (C) 2013,2014 Colin Walters <walters@verbum.org>
//
// SPDX-License-Identifier: LGPL-2.0+
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library. If not, see <https://www.gnu.org/licenses/>.
// PURPOSE: This script runs in an infinite loop; it alternates
// upgrading and downgrading. The idea is that a parent test process
// could watch the output, and assert that the system is in a
// consistent state if this script is killed and restarted. randomly.
const OSTree = imports.gi.OSTree;
let sysroot = OSTree.Sysroot.new_default();
sysroot.load(null);
let [,repo] = sysroot.get_repo(null);
let deployments = sysroot.get_deployments();
if (deployments.length == 0)
throw new Error("No deployments");
let firstDeployment = deployments[0];
let startingRevision = firstDeployment.get_csum();
print("Using OS= " + firstDeployment.get_osname() + " revision=" + startingRevision);
let origin = firstDeployment.get_origin();
let refspec = origin.get_string('origin', 'refspec');
let [,remote,ref] = OSTree.parse_refspec(refspec);
print("Using origin remote=" + remote + " ref=" + ref);
repo.pull(remote, [ref], 0, null, null);
let [,newRev] = repo.resolve_rev(refspec, false);
let targetRev = null;
while (true) {
sysroot.cleanup(null);
if (startingRevision == newRev) {
print("Starting revision is current");
let [,commitObject] = repo.load_variant(OSTree.ObjectType.COMMIT, startingRevision);
targetRev = OSTree.commit_get_parent(commitObject);
print("Using parent target revision " + targetRev);
repo.pull(remote, [targetRev], 0, null, null);
} else {
print("Starting revision is older, using target revision " + newRev);
targetRev = newRev;
}
let origin = sysroot.origin_new_from_refspec(refspec);
print("DEPLOY BEGIN revision=" + targetRev);
let [,newDeployment] = sysroot.deploy_tree(firstDeployment.get_osname(), targetRev, origin,
firstDeployment, null,
null);
print("DEPLOY END revision=" + targetRev);
let newDeployments = [newDeployment, firstDeployment];
sysroot.write_deployments(newDeployments, null);
sysroot.load(null);
sysroot.cleanup(null);
let deployments = sysroot.get_deployments();
if (deployments.length == 0)
throw new Error("No deployments");
firstDeployment = deployments[0];
}
|
