Resilient installation

Bumps [actions/checkout](https://github.com/actions/checkout) from 2.3.4 to 2.3.5.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](https://github.com/actions/checkout/compare/v2.3.4...v2.3.5)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/test.yml

@@ -12,7 +12,7 @@ jobs:
         os: [ubuntu-latest, macos-latest]
     runs-on: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@v2.3.4
+    - uses: actions/checkout@v2.3.5
     - run: yarn install --frozen-lockfile
     - run: yarn build
     - name: Install Nix
@@ -31,7 +31,7 @@ jobs:
         os: [ubuntu-latest, macos-latest]
     runs-on: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@v2.3.4
+    - uses: actions/checkout@v2.3.5
     - run: yarn install --frozen-lockfile
     - run: yarn build
     - name: Install Nix
@@ -47,7 +47,7 @@ jobs:
         os: [ubuntu-latest, macos-latest]
     runs-on: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@v2.3.4
+    - uses: actions/checkout@v2.3.5
     - run: yarn install --frozen-lockfile
     - run: yarn build
     - name: Install Nix
@@ -65,7 +65,7 @@ jobs:
         os: [ubuntu-latest, macos-latest]
     runs-on: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@v2.3.4
+    - uses: actions/checkout@v2.3.5
     - run: yarn install --frozen-lockfile
     - run: yarn build
     - name: Install Nix
@@ -84,7 +84,7 @@ jobs:
         os: [ubuntu-latest, macos-latest]
     runs-on: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v2.3.5
     - run: yarn install --frozen-lockfile
     - run: yarn build
     - name: Install Nix

README.md

@@ -14,7 +14,7 @@ or [pin nixpkgs yourself](https://nix.dev/reference/pinning-nixpkgs.html)
 - Quick installation (~4s on Linux, ~20s on macOS)
 - Multi-User installation (with sandboxing enabled only on Linux)
 - [Self-hosted github runner](https://docs.github.com/en/actions/hosting-your-own-runners/about-self-hosted-runners) support
-- Allows specifying Nix installation URL via `install_url`
+- Allows specifying Nix installation URL via `install_url` (the oldest supported Nix version is 2.3.5)
 - Allows specifying extra Nix configration options via `extra_nix_config`
 - Allows specifying `$NIX_PATH` and channels via `nix_path`
 - Share `/nix/store` between builds using [cachix-action](https://github.com/cachix/cachix-action) for simple binary cache setup to speed up your builds and share binaries with your team
@@ -52,9 +52,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2.3.4
-    - uses: cachix/install-nix-action@v13
+    - uses: cachix/install-nix-action@v14
       with:
-        install_url: https://nixos-nix-install-tests.cachix.org/serve/i6laym9jw3wg9mw6ncyrk6gjx4l34vvx/install
+        install_url: https://nixos-nix-install-tests.cachix.org/serve/vij683ly7sl95nnhb67bdjjfabclr85m/install
         install_options: '--tarball-url-prefix https://nixos-nix-install-tests.cachix.org/serve'
         extra_nix_config: |
           experimental-features = nix-command flakes

lib/install-nix.sh

@@ -21,28 +21,41 @@ fi
 
 # Nix installer flags
 installer_options=(
-  --daemon
-  --daemon-user-count 4
   --no-channel-add
   --darwin-use-unencrypted-nix-store-volume
   --nix-extra-conf-file /tmp/nix.conf
 )
+
+# only use the nix-daemon settings if on darwin (which get ignored) or systemd is supported
+if [[ $OSTYPE =~ darwin || -e /run/systemd/system ]]; then
+  installer_options+=(
+    --daemon
+    --daemon-user-count `python -c 'import multiprocessing as mp; print(mp.cpu_count() * 2)'`
+  )
+else
+  # "fix" the following error when running nix*
+  # error: the group 'nixbld' specified in 'build-users-group' does not exist
+  mkdir -m 0755 /etc/nix
+  echo "build-users-group =" > /etc/nix/nix.conf
+fi
+
 if [[ $INPUT_INSTALL_OPTIONS != "" ]]; then
   IFS=' ' read -r -a extra_installer_options <<< $INPUT_INSTALL_OPTIONS
   installer_options=("${extra_installer_options[@]}" "${installer_options[@]}")
 fi
 
 echo "installer options: ${installer_options[@]}"
-# On self-hosted runners we don't need to install more than once
+
-if [[ ! -d /nix/store ]] 
+# There is --retry-on-errors, but only newer curl versions support that
-then 
+until curl -o /tmp/install -v --fail --retry 5 --retry-connrefused -L "${INPUT_INSTALL_URL:-https://nixos.org/nix/install}" 
-  sh <(curl --retry 5 --retry-connrefused -L "${INPUT_INSTALL_URL:-https://nixos.org/nix/install}") "${installer_options[@]}"
+do
-fi
+  sleep 1
+done
+
+chmod +x /tmp/install
+sh /tmp/install "${installer_options[@]}"
 
 if [[ $OSTYPE =~ darwin ]]; then
-  # Disable spotlight indexing of /nix to speed up performance
-  sudo mdutil -i off /nix
-
   # macOS needs certificates hints
   cert_file=/nix/var/nix/profiles/default/etc/ssl/certs/ca-bundle.crt
   echo "NIX_SSL_CERT_FILE=$cert_file" >> "$GITHUB_ENV"

yarn.lock

@@ -737,10 +737,10 @@ chalk@^2.0.0, chalk@^2.0.1, chalk@^2.4.2:
     escape-string-regexp "^1.0.5"
     supports-color "^5.3.0"
 
-chownr@^1.1.1:
+chownr@^1.1.4:
-  version "1.1.3"
+  version "1.1.4"
-  resolved "https://registry.yarnpkg.com/chownr/-/chownr-1.1.3.tgz#42d837d5239688d55f303003a508230fa6727142"
+  resolved "https://registry.yarnpkg.com/chownr/-/chownr-1.1.4.tgz#6fc9d7b42d32a583596337666e7d08084da2cc6b"
-  integrity sha512-i70fVHhmV3DtTl6nqvZOnIjbY0Pe4kAUjwHj8z0zAdgBtYrJyYwLKCCuRBQ5ppkyL0AkN7HKRnETdmdp1zqNXw==
+  integrity sha512-jJ0bqzaylmJtVnNgzTeSOs8DPavpbYgEr/b0YL8/2GO3xJEhInFmhKMUnEJQjZumK7KXGFhUy89PrsJWlakBVg==
 
 ci-info@^2.0.0:
   version "2.0.0"
@@ -1222,7 +1222,7 @@ fragment-cache@^0.2.1:
   dependencies:
     map-cache "^0.2.2"
 
-fs-minipass@^1.2.5:
+fs-minipass@^1.2.7:
   version "1.2.7"
   resolved "https://registry.yarnpkg.com/fs-minipass/-/fs-minipass-1.2.7.tgz#ccff8570841e7fe4265693da88936c55aed7f7c7"
   integrity sha512-GWSSJGFy4e9GUeCcbIkED+bgAoFyj7XF1mV8rma3QW4NIqX9Kyx79N/PF61H5udOV3aY1IaMLs6pGbH71nlCTA==
@@ -2307,25 +2307,12 @@ minimatch@^3.0.4:
   dependencies:
     brace-expansion "^1.1.7"
 
-minimist@0.0.8:
-  version "0.0.8"
-  resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
-  integrity sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=
-
 minimist@^1.1.1, minimist@^1.2.0, minimist@^1.2.5:
   version "1.2.5"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.5.tgz#67d66014b66a6a8aaa0c083c5fd58df4e4e97602"
   integrity sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw==
 
-minipass@^2.6.0, minipass@^2.8.6:
+minipass@^2.6.0, minipass@^2.9.0:
-  version "2.8.6"
-  resolved "https://registry.yarnpkg.com/minipass/-/minipass-2.8.6.tgz#620d889ace26356391d010ecb9458749df9b6db5"
-  integrity sha512-lFG7d6g3+/UaFDCOtqPiKAC9zngWWsQZl1g5q6gaONqrjq61SX2xFqXMleQiFVyDpYwa018E9hmlAFY22PCb+A==
-  dependencies:
-    safe-buffer "^5.1.2"
-    yallist "^3.0.0"
-
-minipass@^2.9.0:
   version "2.9.0"
   resolved "https://registry.yarnpkg.com/minipass/-/minipass-2.9.0.tgz#e713762e7d3e32fed803115cf93e04bca9fcc9a6"
   integrity sha512-wxfUjg9WebH+CUDX/CdbRlh5SmfZiy/hpkxaRI16Y9W56Pa75sWgd/rvFilSgrauD9NyFymP/+JFV3KwzIsJeg==
@@ -2333,10 +2320,10 @@ minipass@^2.9.0:
     safe-buffer "^5.1.2"
     yallist "^3.0.0"
 
-minizlib@^1.2.1:
+minizlib@^1.3.3:
-  version "1.3.2"
+  version "1.3.3"
-  resolved "https://registry.yarnpkg.com/minizlib/-/minizlib-1.3.2.tgz#5d24764998f98112586f7e566bd4c0999769dad4"
+  resolved "https://registry.yarnpkg.com/minizlib/-/minizlib-1.3.3.tgz#2290de96818a34c29551c8a8d301216bd65a861d"
-  integrity sha512-lsNFqSHdJ21EwKzCp12HHJGxSMtHkCW1EMA9cceG3MkMNARjuWotZnMe3NKNshAvFXpm4loZqmYsCmRwhS2JMw==
+  integrity sha512-6ZYMOEnmVsdCeTJVE0W9ZD+pVnE8h9Hma/iOwwRDsdQoePpoX56/8B6z3P9VNwppJuBKNRuFDRNRqRWexT9G9Q==
   dependencies:
     minipass "^2.9.0"
 
@@ -2348,12 +2335,12 @@ mixin-deep@^1.2.0:
     for-in "^1.0.2"
     is-extendable "^1.0.1"
 
-mkdirp@0.x, mkdirp@^0.5.0, mkdirp@^0.5.1:
+mkdirp@0.x, mkdirp@^0.5.1, mkdirp@^0.5.5:
-  version "0.5.1"
+  version "0.5.5"
-  resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
+  resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.5.tgz#d91cefd62d1436ca0f41620e251288d420099def"
-  integrity sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=
+  integrity sha512-NKmAlESf6jMGym1++R0Ra7wvhV+wFW63FaSOFPwRahvea0gMUcGUhVeAg/0BC0wiv9ih5NYPB1Wn1UEI1/L+xQ==
   dependencies:
-    minimist "0.0.8"
+    minimist "^1.2.5"
 
 ms@2.0.0:
   version "2.0.0"
@@ -2671,9 +2658,9 @@ path-key@^2.0.0, path-key@^2.0.1:
   integrity sha1-QRyttXTFoUDTpLGRDUDYDMn0C0A=
 
 path-parse@^1.0.6:
-  version "1.0.6"
+  version "1.0.7"
-  resolved "https://registry.yarnpkg.com/path-parse/-/path-parse-1.0.6.tgz#d62dbb5679405d72c4737ec58600e9ddcf06d24c"
+  resolved "https://registry.yarnpkg.com/path-parse/-/path-parse-1.0.7.tgz#fbc114b60ca42b30d9daf5858e4bd68bbedb6735"
-  integrity sha512-GSmOT2EbHrINBf9SR7CDELwlJ8AENk3Qn7OikK4nFYAu3Ote2+JYNVvkpAEQm3/TLNEJFD/xZJjzyxg3KBWOzw==
+  integrity sha512-LDJzPVEEEPR+y48z93A0Ed0yXb8pAByGWo/k5YYdYgpY2/2EsOsksJrq7lOHxryrVOn1ejG6oAp8ahvOIQD8sw==
 
 path-type@^3.0.0:
   version "3.0.0"
@@ -2950,10 +2937,10 @@ rsvp@^4.8.4:
   resolved "https://registry.yarnpkg.com/rsvp/-/rsvp-4.8.5.tgz#c8f155311d167f68f21e168df71ec5b083113734"
   integrity sha512-nfMOlASu9OnRJo1mbEk2cz0D56a1MBNrJ7orjRZQG10XDyuvwksKbuXNp6qa+kbn839HwjwhBzhFmdsaEAfauA==
 
-safe-buffer@^5.0.1, safe-buffer@^5.1.2:
+safe-buffer@^5.0.1, safe-buffer@^5.1.2, safe-buffer@^5.2.1:
-  version "5.2.0"
+  version "5.2.1"
-  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.2.0.tgz#b74daec49b1148f88c64b68d49b1e815c1f2f519"
+  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.2.1.tgz#1eaf9fa9bdb1fdd4ec75f58f9cdb4e6b7827eec6"
-  integrity sha512-fZEwUGbVl7kouZs1jCdMLdt95hdIv0ZeHg6L7qPeciMZhZ+/gdesW4wgTARkrFWEpspjEATAzUGPG8N2jJiwbg==
+  integrity sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ==
 
 safe-buffer@~5.1.0, safe-buffer@~5.1.1:
   version "5.1.2"
@@ -3292,17 +3279,17 @@ symbol-tree@^3.2.2:
   integrity sha512-9QNk5KwDF+Bvz+PyObkmSYjI5ksVUYtjW7AU22r2NKcfLJcXp96hkDWU3+XndOsUb+AQ9QhfzfCT2O+CNWT5Tw==
 
 tar@^4:
-  version "4.4.13"
+  version "4.4.19"
-  resolved "https://registry.yarnpkg.com/tar/-/tar-4.4.13.tgz#43b364bc52888d555298637b10d60790254ab525"
+  resolved "https://registry.yarnpkg.com/tar/-/tar-4.4.19.tgz#2e4d7263df26f2b914dee10c825ab132123742f3"
-  integrity sha512-w2VwSrBoHa5BsSyH+KxEqeQBAllHhccyMFVHtGtdMpF4W7IRWfZjFiQceJPChOeTsSDVUpER2T8FA93pr0L+QA==
+  integrity sha512-a20gEsvHnWe0ygBY8JbxoM4w3SJdhc7ZAuxkLqh+nvNQN2IOt0B5lLgM490X5Hl8FF0dl0tOf2ewFYAlIFgzVA==
   dependencies:
-    chownr "^1.1.1"
+    chownr "^1.1.4"
-    fs-minipass "^1.2.5"
+    fs-minipass "^1.2.7"
-    minipass "^2.8.6"
+    minipass "^2.9.0"
-    minizlib "^1.2.1"
+    minizlib "^1.3.3"
-    mkdirp "^0.5.0"
+    mkdirp "^0.5.5"
-    safe-buffer "^5.1.2"
+    safe-buffer "^5.2.1"
-    yallist "^3.0.3"
+    yallist "^3.1.1"
 
 test-exclude@^5.2.3:
   version "5.2.3"
@@ -3320,9 +3307,9 @@ throat@^4.0.0:
   integrity sha1-iQN8vJLFarGJJua6TLsgDhVnKmo=
 
 tmpl@1.0.x:
-  version "1.0.4"
+  version "1.0.5"
-  resolved "https://registry.yarnpkg.com/tmpl/-/tmpl-1.0.4.tgz#23640dd7b42d00433911140820e5cf440e521dd1"
+  resolved "https://registry.yarnpkg.com/tmpl/-/tmpl-1.0.5.tgz#8683e0b902bb9c20c4f726e3c0b69f36518c07cc"
-  integrity sha1-I2QN17QtAEM5ERQIIOXPRA5SHdE=
+  integrity sha512-3f0uOEAQwIqGuWW2MVzYg8fV/QNnc/IpuJNG837rLuczAaLVHslWHZQj4IGiEl5Hs3kkbhwL9Ab7Hrsmuj+Smw==
 
 to-fast-properties@^2.0.0:
   version "2.0.0"
@@ -3618,9 +3605,9 @@ write-file-atomic@2.4.1:
     signal-exit "^3.0.2"
 
 ws@^5.2.0:
-  version "5.2.2"
+  version "5.2.3"
-  resolved "https://registry.yarnpkg.com/ws/-/ws-5.2.2.tgz#dffef14866b8e8dc9133582514d1befaf96e980f"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-5.2.3.tgz#05541053414921bc29c63bee14b8b0dd50b07b3d"
-  integrity sha512-jaHFD6PFv6UgoIVda6qZllptQsMlDEJkTQcybzzXDYM1XO9Y8em691FGMPmM46WGyLU4z9KMgQN+qrux/nhlHA==
+  integrity sha512-jZArVERrMsKUatIdnLzqvcfydI85dvd/Fp1u/VOpfdDWQ4c9qWXe+VIeAbQ5FrDwciAkr+lzofXLz3Kuf26AOA==
   dependencies:
     async-limiter "~1.0.0"
 
@@ -3634,10 +3621,10 @@ y18n@^4.0.0:
   resolved "https://registry.yarnpkg.com/y18n/-/y18n-4.0.1.tgz#8db2b83c31c5d75099bb890b23f3094891e247d4"
   integrity sha512-wNcy4NvjMYL8gogWWYAO7ZFWFfHcbdbE57tZO8e4cbpj8tfUcwrwqSl3ad8HxpYWCdXcJUCeKKZS62Av1affwQ==
 
-yallist@^3.0.0, yallist@^3.0.3:
+yallist@^3.0.0, yallist@^3.1.1:
-  version "3.1.0"
+  version "3.1.1"
-  resolved "https://registry.yarnpkg.com/yallist/-/yallist-3.1.0.tgz#906cc2100972dc2625ae78f566a2577230a1d6f7"
+  resolved "https://registry.yarnpkg.com/yallist/-/yallist-3.1.1.tgz#dbb7daf9bfd8bac9ab45ebf602b8cbad0d5d08fd"
-  integrity sha512-6gpP93MR+VOOehKbCPchro3wFZNSNmek8A2kbkOAZLIZAYx1KP/zAqwO0sOHi3xJEb+UBz8NaYt/17UNit1Q9w==
+  integrity sha512-a4UGQaWPH59mOXUYnAG2ewncQS4i4F43Tv3JoAM+s2VDAmS9NsK8GpDMLrCHPksFT7h3K6TOoUNn2pb7RoXx4g==
 
 yargs-parser@10.x:
   version "10.1.0"