build: add nix 2.25.3 (installer 0.32.1)

.github/workflows/test.yaml

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+on: push
+jobs:
+  test:
+    strategy:
+      matrix:
+        os:
+          - macos-13
+          - macos-14
+          - macos-15
+          - ubuntu-20.04
+          - ubuntu-22.04
+          - ubuntu-24.04
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/[email protected]
+      - run: ./test.sh

dev.sh

@@ -0,0 +1,13 @@
+#!/bin/sh
+
+set -o errexit
+set -o nounset
+
+export IS_RUNHUB_TEST="${IS_RUNHUB_TEST:-no}"
+
+runhub_dir="$(dirname "$0")"
+scripts_dir="${runhub_dir}"/scripts
+
+. "${scripts_dir}"/run-nix-daemon.sh
+"${scripts_dir}"/install-upgrade-nix.sh
+. "${scripts_dir}"/run-nix-daemon.sh

scripts/confirm.sh

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+#!/bin/sh
+
+set -o errexit
+set -o nounset
+
+printf '%s ([Y]es/[n]o): ' "$1"
+
+if [ "${IS_RUNHUB_TEST}" = 'no' ]; then
+  IFS= read -r yes_no
+  echo "${yes_no}" | grep -Eqi '^$|^y(es)?$'
+else
+  echo
+fi

scripts/install-upgrade-nix.sh

@@ -0,0 +1,77 @@
+#!/bin/sh
+
+set -o errexit
+set -o nounset
+
+if [ "${IS_RUNHUB_TEST}" = 'no' ]; then
+  set -o monitor
+fi
+
+scripts_dir="$(dirname "$0")"
+
+minimum_required_version='2.25.3'
+minimum_required_installer_version='0.32.1'
+
+get_installed_version() {
+  installed_version_stdout="$(nix --version)"
+  echo "${installed_version_stdout}" | sed -n -e 's/^nix (Nix) \(.*\)$/\1/p'
+}
+
+get_installed_installer_version() {
+  installed_installer_version_stdout="$(/nix/nix-installer --version)"
+  echo "${installed_installer_version_stdout}" | sed -n -e 's/^nix-installer \(.*\)$/\1/p'
+}
+
+is_installed_upgraded() {
+  if command -v nix >/dev/null; then
+    installed_version="$(get_installed_version)"
+    is_upgraded="$("${scripts_dir}"/is-version-greater-equal.sh \
+      "${installed_version}" "${minimum_required_version}")"
+
+    if [ "${is_upgraded}" = 'yes' ]; then
+      if command -v /nix/nix-installer >/dev/null; then
+        installed_installer_version="$(get_installed_installer_version)"
+        "${scripts_dir}"/is-version-greater-equal.sh \
+          "${installed_installer_version}" "${minimum_required_installer_version}"
+      else
+        echo 'yes'
+      fi
+    else
+      echo 'no'
+    fi
+  else
+    echo 'no'
+  fi
+}
+
+install_upgrade() {
+  if command -v /nix/nix-installer >/dev/null; then
+    installed_installer_version="$(get_installed_installer_version)"
+    /nix/nix-installer split-receipt --no-confirm
+    /nix/nix-installer uninstall /nix/uninstall-phase1.json --no-confirm
+  fi
+
+  installer_install_script="$(curl --proto '=https' --tlsv1.2 -sSf -L \
+    https://install.determinate.systems/nix/tag/v"${minimum_required_installer_version}")"
+  echo "${installer_install_script}" | sh -s -- install --no-confirm
+}
+
+main() {
+  . "${scripts_dir}"/run-nix-daemon.sh
+  is_installed_upgraded="$(is_installed_upgraded)"
+
+  if [ "${is_installed_upgraded}" = 'no' ]; then
+    "${scripts_dir}"/confirm.sh \
+      'Install/Upgrade Nix v'"${minimum_required_version}"' with Determinate Nix Installer v'"${minimum_required_installer_version}"'?'
+    install_upgrade
+    . "${scripts_dir}"/run-nix-daemon.sh
+    was_installed_upgraded="$(is_installed_upgraded)"
+
+    if [ "${was_installed_upgraded}" = 'no' ]; then
+      echo 'Nix v'"${minimum_required_version}"' or higher is required.'
+      exit 1
+    fi
+  fi
+}
+
+main "$@"

scripts/is-version-greater-equal.sh

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+#!/bin/sh
+
+set -o errexit
+set -o nounset
+
+is_version() {
+  echo "$1" | grep -Eq '^[0-9]+\.[0-9]+\.[0-9]+$'
+}
+
+get_version_part() {
+  echo "$1" | cut -f "${version_part_index}" -d '.'
+}
+
+main() {
+  is_version "$1"
+  is_version "$2"
+
+  version_part_index=1
+  while [ "${version_part_index}" -le 3 ]; do
+    version_1_part="$(get_version_part "$1" "${version_part_index}")"
+    version_2_part="$(get_version_part "$2" "${version_part_index}")"
+
+    if [ "${version_1_part}" -gt "${version_2_part}" ]; then
+      break
+    fi
+
+    if [ "${version_1_part}" -lt "${version_2_part}" ]; then
+      echo 'no'
+      exit
+    fi
+
+    version_part_index="$((version_part_index + 1))"
+  done
+
+  echo 'yes'
+}
+
+main "$@"

scripts/run-nix-daemon.sh

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+#!/bin/sh
+
+set -o errexit
+set -o nounset
+
+nix_daemon_script='/nix/var/nix/profiles/default/etc/profile.d/nix-daemon.sh'
+
+if ! command -v nix >/dev/null && [ -e "${nix_daemon_script}" ]; then
+  . "${nix_daemon_script}"
+fi

test.sh

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+#!/bin/sh
+
+set -o errexit
+set -o nounset
+
+export IS_RUNHUB_TEST='yes'
+
+runhub_dir="$(dirname "$0")"
+
+"${runhub_dir}"/dev.sh