Migrate test-sd-card script writeShellApplication

modules/hardware/raspi4/raspi-base.nix

@@ -6,58 +6,17 @@
 }:
 let
   cfg = config.hardware.az-raspi4-base;
-  test-sd-card = pkgs.writeShellScriptBin "test-sd-card" ''
-    # Raspberry Pi microSD card benchmark script.
-    #
-    # A script I use to automate the running and reporting of benchmarks I compile
-    # for: http://www.pidramble.com/wiki/benchmarks/microsd-cards
-    #
-    # Usage:
-    #   # Run it locally.
-    #   $ su do ./microsd-benchmarks.sh
-    #
-    #   # Run it straight from GitHub.
-    #   $ curl https://raw.githubusercontent.com/geerlingguy/raspberry-pi-dramble/master/setup/benchmarks/microsd-benchmarks.sh | sudo bash
-    #
-    # Another good benchmark:
-    #   $ curl http://www.nmacleod.com/public/sdbench.sh | sudo bash
-    #
-    # Author: Jeff Geerling, 2016 (last updated 2020)
-
-    printf "\n"
-    printf "Raspberry Pi Dramble microSD benchmarks\n"
-
-    CLOCK="$(${pkgs.gnugrep}/bin/grep "actual clock" /sys/kernel/debug/mmc0/ios 2>/dev/null | ${pkgs.gawk}/bin/awk '{printf("%0.3f MHz", $3/1000000)}')"
-    if [ -n "$CLOCK" ]; then
-        echo "microSD clock: $CLOCK"
-    fi
-    printf "\n"
-
-    # Fail if $SUDO_USER is empty.
-    if [ -z "$SUDO_USER" ]; then
-        printf "This script must be run with sudo.\n"
-        exit 1
-    fi
-
-    # Variables.
-    USER_HOME_PATH=$(getent passwd $SUDO_USER | cut -d: -f6)
-
-    # Run benchmarks.
-    printf "Running hdparm test...\n"
-    ${pkgs.hdparm}/bin/hdparm -t /dev/mmcblk1
-    printf "\n"
-
-    printf "Running dd test...\n\n"
-    ${pkgs.coreutils}/bin/dd if=/dev/zero of=$USER_HOME_PATH/test bs=8k count=50k conv=fsync
-    rm -f $USER_HOME_PATH/test
-    printf "\n"
-
-    printf "Running iozone test...\n"
-    ${pkgs.iozone}/bin/iozone -e -I -a -s 100M -r 4k -i 0 -i 1 -i 2
-    printf "\n"
-
-    printf "microSD card benchmark complete!\n\n"
-  '';
+  test-sd-card = pkgs.writeShellApplication {
+    name = "test-sd-card";
+    runtimeInputs = [
+      pkgs.coreutils
+      pkgs.gawk
+      pkgs.gnugrep
+      pkgs.hdparm
+      pkgs.iozone
+    ];
+    text = (builtins.readFile ./test-sd-card.sh);
+  };
 in
 {
   options = {

modules/hardware/raspi4/test-sd-card.sh

@@ -0,0 +1,50 @@
+# Raspberry Pi microSD card benchmark script.
+#
+# A script I use to automate the running and reporting of benchmarks I compile
+# for: http://www.pidramble.com/wiki/benchmarks/microsd-cards
+#
+# Usage:
+#   # Run it locally.
+#   $ su do ./microsd-benchmarks.sh
+#
+#   # Run it straight from GitHub.
+#   $ curl https://raw.githubusercontent.com/geerlingguy/raspberry-pi-dramble/master/setup/benchmarks/microsd-benchmarks.sh | sudo bash
+#
+# Another good benchmark:
+#   $ curl http://www.nmacleod.com/public/sdbench.sh | sudo bash
+#
+# Author: Jeff Geerling, 2016 (last updated 2020)
+
+printf "\n"
+printf "Raspberry Pi Dramble microSD benchmarks\n"
+
+CLOCK="$(grep "actual clock" /sys/kernel/debug/mmc0/ios 2>/dev/null | awk '{printf("%0.3f MHz", $3/1000000)}')"
+if [ -n "$CLOCK" ]; then
+    echo "microSD clock: $CLOCK"
+fi
+printf "\n"
+
+# Fail if $SUDO_USER is empty.
+if [ -z "$SUDO_USER" ]; then
+    printf "This script must be run with sudo.\n"
+    exit 1
+fi
+
+# Variables.
+USER_HOME_PATH=$(getent passwd "$SUDO_USER" | cut -d: -f6)
+
+# Run benchmarks.
+printf "Running hdparm test...\n"
+hdparm -t /dev/mmcblk1
+printf "\n"
+
+printf "Running dd test...\n\n"
+dd if=/dev/zero of="$USER_HOME_PATH"/test bs=8k count=50k conv=fsync
+rm -f "$USER_HOME_PATH"/test
+printf "\n"
+
+printf "Running iozone test...\n"
+iozone -e -I -a -s 100M -r 4k -i 0 -i 1 -i 2
+printf "\n"
+
+printf "microSD card benchmark complete!\n\n"