Create a script for initiating actions

scripts/Common/OS/install.fish

@@ -1,55 +1,10 @@
 #!/bin/env fish
 set -l dir (status dirname)
-set -l cmdline (cat /proc/$fish_pid/cmdline | string split0)
+source "$dir/../../lib/action.fish"
-source "$dir/../../lib/settings.fish"
-source "$dir/../../lib/hooks.fish"
 
-if [ (id -u) -eq 0 ]
+function installAction -V dir
-    source "$dir/../../lib/config.fish"
+    source "$dir/../../lib/hooks.fish"
-    source "$dir/../../lib/nix.fish"
-    set -l sudoConfig "/etc/sudoers.d/PortValhalla"
-    rm ~/.bash_profile
 
-    if ! git status -C (status dirname) &> /dev/null
-        git config --system --add safe.directory (realpath "$(status dirname)/../../..")
-    end
-
-    if [ -z "$TMUX" ]
-        if [ -z "$CONFIG_NAME" ]
-            selectProfile config
-            and set -x CONFIG_NAME "$config"
-        end
-
-        and runHook --force installValhallaDeps 'Please set up a function `installValhallaDeps` for installing `fish`, `git`, `jq`, `nix`, `sudo` and `tmux`.'
-        installNixPkgs
-        and tmux new-session $cmdline
-    else
-        set -l name (getOSConfig setupUser.name)
-
-        begin
-            echo "Creating setup user"
-
-            and useradd \
-                --comment "PortValhalla Setup User" \
-                --system \
-                --no-user-group \
-                --groups nix-users \
-                --create-home \
-                --uid (getOSConfig setupUser.id --json) \
-                "$name"
-        end
-
-        and begin
-            echo "$name ALL=(ALL:ALL) NOPASSWD: ALL"
-        end >"$sudoConfig"
-
-        and sudo --preserve-env --set-home --user "$name" $cmdline
-        rm "$sudoConfig"
-        userdel -rf "$name"
-        uninstallNixPkgs
-        read -P "finished. press enter"
-    end
-else
     if not type -q getDeploymentScript
         function getDeploymentScript
             echo "No deployment script specified! No software will be installed." 1>&2
@@ -100,3 +55,5 @@ else
     and sleep 5
     and systemctl reboot -i
 end
+
+runSetupUserAction installAction

scripts/Common/OS/setup.fish

@@ -1,19 +1,15 @@
 #!/bin/env fish
 function runSetup
     set -l dir (status dirname)
-    source "$dir/../../lib/settings.fish"
+    source "$dir/../../lib/action.fish"
-    source "$dir/../../lib/hooks.fish"
-    source "$dir/../../lib/nix.fish"
-
-    if [ -z "$CONFIG_NAME" ]
-        selectProfile config
-        set -x CONFIG_NAME "$config"
-    end
-
-    set -l mountDir (getOSConfig partition.rootDir)
     set -l projectRoot (realpath "$dir/../../..")
     set -l projectName (basename "$projectRoot")
     set -l PROJECT_CLONE_ROOT "/opt/$(basename "$projectName")"
+
+    function setupAction -V projectRoot -V PROJECT_CLONE_ROOT
+        source "$dir/../../lib/hooks.fish"
+        source "$dir/../../lib/settings.fish"
+        set -l mountDir (getOSConfig partition.rootDir)
         set -l script (mktemp)
         chmod +x "$script"
 
@@ -43,22 +39,6 @@ function runSetup
                 "$argv"
         end
 
-    echo "Partitioning drives..."
-    and getOSConfig partition.script >"$script"
-    and "$script"
-    and rm "$script"
-
-    # Copy `nixpkgs` channel
-    and echo "Preparing nix..."
-
-    and begin
-        mkdir -p (dirname "$mountDir/$nixPkgsDir")
-        cp -r "$nixPkgsDir" "$mountDir/$nixPkgsDir"
-    end
-
-    and echo "Installing dependencies..."
-    and runHook --force installValhallaDeps 'Please set up a function `installValhallaDeps` for installing `fish`, `git`, `jq`, `nix`, `sudo` and `tmux`.'
-
         and echo "Cloning project..."
         and source "$dir/../../lib/copy-repo.fish" "$mountDir$PROJECT_CLONE_ROOT"
         runChroot "$mountDir" git config --system --add safe.directory "$PROJECT_CLONE_ROOT"
@@ -76,10 +56,30 @@ function runSetup
                     (string escape $script))
 
         end | runChroot "$mountDir" tee /root/.bash_profile >/dev/null
+    end
 
-    and echo "Setup finished!"
+    function prepareNix
+        source "$dir/../../lib/nix.fish"
+
+        # Copy `nixpkgs` channel
+        mkdir -p (dirname "$mountDir/$nixPkgsDir")
+        cp -r "$nixPkgsDir" "$mountDir/$nixPkgsDir"
+    end
+
+    function prepareAction
+        echo "Partitioning drives..."
+        and getOSConfig partition.script >"$script"
+        and "$script"
+        and rm "$script"
+    end
+
+    function postAction
+        echo "Setup finished!"
         and echo "This machine will reboot in 5 seconds..."
         and echo "Press CTRL-C to abort..."
         and sleep 5
         and systemctl reboot
+    end
+
+    runAction setupAction
 end

scripts/lib/action.fish

@@ -0,0 +1,73 @@
+set -l dir (status dirname)
+
+function runAction -V dir
+    source "$dir/hooks.fish"
+    source "$dir/nix.fish"
+    source "$dir/settings.fish"
+    echo "Preparing nix..."
+    and runHook prepareNix || installNixPkgs
+
+    if [ -z "$CONFIG_NAME" ]
+        selectProfile config
+        set -x CONFIG_NAME "$config"
+    end
+
+    and runHook prepareAction || true
+    and echo "Installing dependencies..."
+    and runHook --force installValhallaDeps 'Please set up a function `installValhallaDeps` for installing `fish`, `git`, `jq`, `nix`, `sudo` and `tmux`.'
+
+    echo "Flagging repository as safe..."
+    if ! git status -C (status dirname) &> /dev/null
+        git config --system --add safe.directory (realpath "$(status dirname)/../..")
+    end
+
+    and runHook preAction || true
+    $argv
+    and runHook postAction || true
+end
+
+function runSetupUserAction -V dir
+    source "$dir/nix.fish"
+
+    if [ (id -u) -eq 0 ]
+        set -l cmdline (cat /proc/$fish_pid/cmdline | string split0)
+
+        if [ -z "$TMUX" ]
+            tmux new-session $cmdline
+        else
+
+            function setupUserAction -V dir -V sudoConfig -V cmdline
+                source "$dir/settings.fish"
+                set -l sudoConfig "/etc/sudoers.d/PortValhalla"
+                set -l name (getOSConfig setupUser.name)
+
+                begin
+                    echo "Creating setup user"
+
+                    and useradd \
+                        --comment "PortValhalla Setup User" \
+                        --system \
+                        --no-user-group \
+                        --groups nix-users \
+                        --create-home \
+                        --uid (getOSConfig setupUser.id --json) \
+                        "$name"
+                end
+
+                and begin
+                    echo "$name ALL=(ALL:ALL) NOPASSWD: ALL"
+                end >"$sudoConfig"
+
+                and sudo --preserve-env --set-home --user "$name" $cmdline
+                rm "$sudoConfig"
+                userdel -rf "$name"
+            end
+
+            runAction setupUserAction $argv
+            uninstallNixPkgs
+            read -P "setup user action finished. press enter"
+        end
+    else
+        $argv
+    end
+end

scripts/lib/config.fish

@@ -1,4 +1,4 @@
 set projectName port-valhalla
 set nixPkgsVersion nixos-24.05
-set cacheRoot ~/".cache/$projectName"
+set valhallaCache ~/".cache/$projectName"
-set nixPkgsCache "$cacheRoot/nixpkgs/$nixPkgsVersion"
+set nixPkgsCache "$valhallaCache/nixpkgs/$nixPkgsVersion"