fix(ci): alternative cachix

.ci/list-paths.sh

@@ -0,0 +1,30 @@
+#!/usr/bin/env bash
+
+# Credits to https://github.com/cachix/cachix-action/blob/master/dist/main/list-nix-store.sh
+
+# Small utility to replace `nix path-info --all`
+set -euo pipefail
+
+for file in /nix/store/*; do
+  case "$file" in
+  *.drv)
+    # Avoid .drv as they are not generally useful
+    continue
+    ;;
+  *.drv.chroot)
+    # Avoid .drv.chroot as they are not generally useful
+    continue
+    ;;
+  *.check)
+    # Skip .check file produced by --keep-failed
+    continue
+    ;;
+  *.lock)
+    # Skip .lock files
+    continue
+    ;;
+  *)
+    echo "$file"
+    ;;
+  esac
+done

.ci/push-paths.sh

@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+# Credits to https://github.com/cachix/cachix-action/blob/master/dist/main/list-nix-store.sh
+set -euo pipefail
+
+cachix=$1 cachixArgs=${2:--j8} cache=$3 pathsToPush=$4 pushFilter=$5
+
+if [[ $pathsToPush == "" ]]; then
+  pathsToPush=$(comm -13 <(sort /tmp/store-path-pre-build) <("$(dirname "$0")"/list-nix-store.sh))
+
+  if [[ $pushFilter != "" ]]; then
+    pathsToPush=$(echo "$pathsToPush" | grep -vEe "$pushFilter")
+  fi
+fi
+
+echo "$pathsToPush" | "$cachix" push $cachixArgs "$cache"

.cirrus.yml

@@ -4,11 +4,11 @@ env:
   NIX: nix --extra-experimental-features nix-command --extra-experimental-features flakes
   # CIRRUS_SHELL: "/bin/bash"
 
-common_task_template: &REGULAR_TASK_TEMPLATE
+common_task_template: &LINUX_TASK_TEMPLATE
   timeout_in: 60m
   only_if: $CIRRUS_BRANCH == 'master' || $CIRRUS_PR != ''
 
-common_scripts_template: &REGULAR_SCRIPTS_TEMPLATE
+common_scripts_template: &COMMON_SCRIPTS_TEMPLATE
   # TODO add cache?
   # nix_cache:
 
@@ -24,11 +24,15 @@ common_scripts_template: &REGULAR_SCRIPTS_TEMPLATE
   - cachix use mic92
   - cachix use nrdxp
   - cachix use truelecter
+  - ./.ci/install-nix.sh > /tmp/store-path-pre-build
 
-  cachix_background_script: cachix watch-store --compression-method xz --compression-level 9 --jobs 2 truelecter
+  # cachix_background_script: cachix watch-store --compression-method xz --compression-level 9 --jobs 2 truelecter
+
+common_finishing_script_template: &COMMON_FINISHING_SCRIPTS_TEMPLATE
+  upload_paths_to_cachix_script: .ci/push-paths.sh cachix "--compression-method xz --compression-level 9 --jobs 8" truelecter ""  ""
 
 linux_aarch64_task:
-  << : *REGULAR_TASK_TEMPLATE
+  << : *LINUX_TASK_TEMPLATE
 
   name: Build NixOS aarch64 systems
 
@@ -46,13 +50,14 @@ linux_aarch64_task:
     # try to overcome https://github.com/cirruslabs/cirrus-ci-docs/discussions/1225
     use_in_memory_disk: true
 
-  << : *REGULAR_SCRIPTS_TEMPLATE
+  << : *COMMON_SCRIPTS_TEMPLATE
 
   build_systems_script:
   - $NIX build ".#nixosConfigurations.nixos-$NIXOS_HOST.config.system.build.toplevel"
-  - $NIX develop --command "menu"
+  # - $NIX develop --command "menu"
   # for cachix to finish uploading things
-  - sleep 60
+
+  << : *COMMON_FINISHING_SCRIPTS_TEMPLATE
 
   matrix:
   # - name: Build octoprint
@@ -63,7 +68,7 @@ linux_aarch64_task:
       NIXOS_HOST: oracle
 
 macos_task:
-  << : *REGULAR_TASK_TEMPLATE
+  << : *COMMON_TASK_TEMPLATE
 
   name: Build Nix-Darwin system
 
@@ -80,13 +85,14 @@ macos_task:
 
   install_nix_script: ./.ci/install-nix.sh
 
-  << : *REGULAR_SCRIPTS_TEMPLATE
+  << : *COMMON_SCRIPTS_TEMPLATE
 
   build_script:
   - nix build ".#darwinConfigurations.darwin-$NIXOS_HOST.config.system.build.toplevel"
   - nix develop --command "menu"
   # for cachix to finish uploading things
-  - sleep 60
+
+  << : *COMMON_FINISHING_SCRIPTS_TEMPLATE
 
   matrix:
   - name: Build squadbook