scripts/update_hosts: Init

That works cleaner than the `deploy-rs` based solution.

1 files changed, 24 insertions, 0 deletions

diff --git a/scripts/update_hosts.sh b/scripts/update_hosts.sh
new file mode 100755
index 0000000..505f061
--- /dev/null
+++ b/scripts/update_hosts.sh
@@ -0,0 +1,24 @@
+#! /usr/bin/env sh
+set -e
+
+base_dir="$(git rev-parse --show-toplevel)"
+
+user="${1-$USER}"
+hosts="${2-server2 server3}"
+branch="${3-main}"
+
+for host in $hosts; do
+    echo "Updating '$user@$host.vhack.eu' ..."
+
+    new_system="$(nix build ".#nixosConfigurations.$host.config.system.build.toplevel" --no-link --print-out-paths)"
+
+    printf "Copying closure ..\n"
+    nix-copy-closure "$user@$host.vhack.eu" "$new_system"
+
+    printf "Deploying remote side script ..\n"
+    scp "$base_dir/scripts/update_hosts.remote" "$user@$host.vhack.eu:update_host.remote"
+
+    printf "Executing remote side script ..\n"
+    ssh -t "$user@$host.vhack.eu" "chmod +x update_host.remote; ./update_host.remote '$branch'"
+done
+# vim: ft=sh