From f534a4d8943cd0065ef771032d3daca5b5833205 Mon Sep 17 00:00:00 2001
From: Andreas Grapentin <andreas@grapentin.org>
Date: Mon, 22 Jan 2018 06:35:56 +0100
Subject: pcr/guix: updated to 0.14.0

---
 pcr/guix/guix.install | 56 +++++++++++++++++++++++++++++++++++++++------------
 1 file changed, 43 insertions(+), 13 deletions(-)

(limited to 'pcr/guix/guix.install')

diff --git a/pcr/guix/guix.install b/pcr/guix/guix.install
index c2baacd9f..abca2dc18 100644
--- a/pcr/guix/guix.install
+++ b/pcr/guix/guix.install
@@ -1,16 +1,46 @@
-post_install() {
-  echo "Guix 0.8.3 already provides a systemd service file in its release,"
-  echo "so the one included in AUR package is now removed. Please use the"
-  echo "following commands to keep your installation compatible with the"
-  echo "new service file:"
-  echo
-  echo "  systemctl disable guix"
-  echo "  systemctl enable guix-daemon"
-  echo "  groupmod -n guixbuild guix-builder"
-  echo "  usermod -l guixbuild guix-builder"
-  echo
-  echo "If you have /etc/systemd/system/guix.service.d, please also remember"
-  echo "to review its content and rename it to guix-daemon.service.d."
+post_upgrade() {
+  if [ "$(vercmp "$2" "0.8.3-2")" -lt "0" ]; then
+    echo "(NOTES FOR UPGRADING FROM VERSIONS BEFORE 0.8.3-2)"
+    echo
+    echo "The systemd service file used to run guix-daemon is renamed from"
+    echo "guix.service to guix-daemon.service. Please use the following"
+    echo "commands to keep your installation compatible with the new version."
+    echo
+    echo "  systemctl disable guix"
+    echo "  systemctl enable guix-daemon"
+    echo "  groupmod -n guixbuild guix-builder"
+    echo "  usermod -l guixbuild guix-builder"
+    echo
+    echo "If you have /etc/systemd/system/guix.service.d, please also remember"
+    echo "to review its content and rename it to guix-daemon.service.d."
+    echo
+  fi
+  if [ "$(vercmp "$2" "0.13.0-1")" -lt "0" ]; then
+    echo "(NOTES FOR UPGRADING FROM VERSIONS BEFORE 0.13.0-1)"
+    echo
+    echo "The systemd service file provided by upstream is no longer usable"
+    echo "by default because it includes path to the guix profile of root"
+    echo "user, which does not exist unless you installed guix with guix"
+    echo "itself as root user before. Therefore, guix-daemon.service provided"
+    echo "by upstream is renamed to guix-daemon-latest.service, and"
+    echo "guix-daemon.service is generated from the upstream one by replacing"
+    echo "and removing unavailable paths."
+    echo
+    echo "To use the systemd service file provided by upstream, run the"
+    echo "following commands as root."
+    echo
+    echo "  systemctl disable guix-daemon"
+    echo "  systemctl start guix-daemon"
+    echo "  guix package -i guix"
+    echo "  systemctl stop guix-daemon"
+    echo "  systemctl start guix-daemon-latest"
+    echo "  systemctl enable guix-daemon-latest"
+    echo
+    echo "Please note that only one of guix-daemon.service or"
+    echo "guix-daemon-latest.service can be started or enabled since"
+    echo "they use the same /var/guix directory."
+    echo
+  fi
 }
 
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