Use nix to do builds

.gitlab-ci-build.yml.in

@@ -31,19 +31,8 @@ stages:
     PACKER_CONFIG_DIR: ./packer_config/
     PACKER_CACHE_DIR: ./cache/
     PACKER_LOG: 1
-    COMMAND: >
-      packer build ${only}
-      -var-file="${distro}"
-      -var build=${BUILD}
-      -var cpus=2
-      -var memory=4096
-      ${EXCEPT}
-      sources
   script:
-    - find "${PACKER_CONFIG_DIR}" -name '*_linux_amd64' -exec chmod +x '{}' ";"
-    - packer init sources
-    - echo $COMMAND > build.sh
-    - bash build.sh || exit 1
+    - nix run ".#${buildcmd}" || exit 1
 
 qemu.amd64:
   extends: .build
@@ -69,6 +58,14 @@ hyperv-iso.amd64:
     <<: *variables
     only: '-only="hyperv-iso.amd64"'
     tag: hyperv
+    COMMAND: >
+      packer build ${only}
+      -var-file="${distro}"
+      -var build=${BUILD}
+      -var cpus=2
+      -var memory=4096
+      ${EXCEPT}
+      sources
   parallel:
     matrix: HYPERV_MATRIX
   script:

.gitlab-ci.yml

@@ -45,8 +45,6 @@ validate:
           - sources/build.pkr.hcl
       paths:
         - ./packer_config/
-  before_script:
-    - find "${PACKER_CONFIG_DIR}" -name '*_linux_amd64' -exec chmod +x '{}' ";"
   script: nix run ".#validate"
 
 # Makes sure that all of the ISO files we are looking for are

flake.lock

@@ -100,11 +100,11 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1718870667,
-        "narHash": "sha256-jab3Kpc8O1z3qxwVsCMHL4+18n5Wy/HHKyu1fcsF7gs=",
+        "lastModified": 1720750130,
+        "narHash": "sha256-y2wc7CdK0vVSIbx7MdVoZzuMcUoLvZXm+pQf2RIr1OU=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "9b10b8f00cb5494795e5f51b39210fed4d2b0748",
+        "rev": "6794d064edc69918bb0fc0e0eda33ece324be17a",
         "type": "github"
       },
       "original": {

flake.nix

@@ -30,6 +30,9 @@
 		name = d: "-${d.distro}-${d.arch}-${d.provider}-${d.version}";
 		distroFile = d: "distros/${d.distro}/${d.version}/${d.arch}.pkrvars.hcl";
 		cmd = d: ''
+			# This is a workaround for a goofy behavior in CI
+			find "''${PACKER_CONFIG_DIR}" -name '*_linux_amd64' -exec chmod +x '{}' ";"
+			packer init sources
 			version="''${1:-1}"
 			packer build -var "build=$version" -only=${d.provider}.${d.arch} -var-file=${distroFile d}'';
 	in flake-parts.lib.mkFlake { inherit inputs; }
@@ -88,6 +91,7 @@
 				base = {
 					runtimeInputs = with pkgs; [
 						packer
+							findutils
 							qemu_full
 							vagrant
 					];
@@ -114,8 +118,8 @@
 					});
 				builds = lib.lists.foldr (d: acc: acc // { "build${name d}" = (build d); }) {} withProviders;
 				uploads = lib.lists.foldr (d: acc: acc // { "upload${name d}" = (upload d); }) {} withProviders;
-				qemu_list = builtins.toJSON (builtins.map (d: { distro = distroFile d; }) (builtins.filter (x: x.provider == "qemu") active));
-				vbox_list = builtins.toJSON (builtins.map (d: { distro = distroFile d; }) (builtins.filter (x: x.provider == "virtualbox-iso") active));
+				qemu_list = builtins.toJSON (builtins.map (d: { buildcmd = "build${name d}"; }) (builtins.filter (x: x.provider == "qemu") active));
+				vbox_list = builtins.toJSON (builtins.map (d: { buildcmd = "build${name d}"; }) (builtins.filter (x: x.provider == "virtualbox-iso") active));
 				hyperv_list = builtins.toJSON (builtins.map (d: { distro = distroFile d; }) (builtins.filter (x: x.provider == "hyperv-iso") active));
 			in builds // uploads // {
 				continue = pkgs.writeText "continue.yml"

nix/validate.nix

@@ -1,15 +1,18 @@
 {
 	writeShellApplication,
+	findutils,
 	packer,
 	...
 }:
 writeShellApplication {
 	name = "validate";
 	runtimeInputs = [
+		findutils
 		packer
 	];
 	text = ''
 		shopt -s globstar
+		find "${PACKER_CONFIG_DIR}" -name '*_linux_amd64' -exec chmod +x '{}' ";"
 		packer init sources
 		for vars in distros/**/*.pkrvars.hcl; do
 			packer validate -except=upload "-var-file=''${vars}" sources/