What I see:
1. edit ~/pzprnode/pzprnode
rob@garp ~/pzprnode$ git diff
diff --git a/pzprnode b/pzprnode
index 612e6a8..d8ef0ea 100755
--- a/pzprnode
+++ b/pzprnode
@@ -190,5 +190,6 @@ const server = http.createServer((req, res) => {
});
server.listen(port, hostname, () => {
+ console.log("updated version");
console.log(`Server running at http://${hostname}:${port}/`);
});
2. sudo guix system reconfigure -L ~/garp-config ~/garp-config/config.scm
3. sudo herd restart pzprnode
4. less /var/log/messages
Jul 30 11:46:57 localhost shepherd[1]: Service pzprnode has been stopped.
Jul 30 11:46:57 localhost shepherd[1]: Service pzprnode has been started.
Jul 30 11:46:58 localhost pzprnode[4954]: updated version
Jul 30 11:46:58 localhost pzprnode[4954]: Server running at
http://127.0.0.1:3456/
5. sudo guix system list-generations
Generation 151 Jul 30 2019 10:37:06
file name: /var/guix/profiles/system-151-link
canonical file name: /gnu/store/jis33accsfpa068aps0a9mrycmjzfm4m-system
label: GNU with Linux-Libre 5.2.1
bootloader: grub
root device: label: "guix-root"
kernel: /gnu/store/fp6wsvn10h1is0wkz8l2sbzjmjbzi7vr-linux-libre-5.2.1/bzImage
Generation 152 Jul 30 2019 11:43:13 (current)
file name: /var/guix/profiles/system-152-link
canonical file name: /gnu/store/3z3wmaj0399kihqc372y91nzcjxc1myl-system
label: GNU with Linux-Libre 5.2.1
bootloader: grub
root device: label: "guix-root"
kernel: /gnu/store/fp6wsvn10h1is0wkz8l2sbzjmjbzi7vr-linux-libre-5.2.1/bzImage
6. sudo guix system switch-generation 151
substitute: updating substitutes from 'https://ci.guix.gnu.org'... 100.0%
The following derivation will be built:
/gnu/store/qvxbl3gm6406dbbkm8jigmpc8zi42lfw-grub.cfg.drv
building /gnu/store/qvxbl3gm6406dbbkm8jigmpc8zi42lfw-grub.cfg.drv...
switched from generation 152 to 151
7. sudo herd restart pzprnode
8. less /var/log/messages
Jul 30 11:48:02 localhost shepherd[1]: Service pzprnode has been stopped.
Jul 30 11:48:02 localhost shepherd[1]: Service pzprnode has been started.
Jul 30 11:48:03 localhost pzprnode[4994]: updated version
Jul 30 11:48:03 localhost pzprnode[4994]: Server running at
http://127.0.0.1:3456/
The line with “updated version” should not be there.
Presumably, this is due to switch-generations not calling
upgrade-shepherd-services.
