8 files changed, 15 insertions, 22 deletions
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 50e5f96..ffe01b3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -41,6 +41,7 @@ The format is based on [Keep a Changelog].
 * The new `scripts/pnp-bin.js` script is standalone minified nodejs built
   from the [`pnp-bin`](https://github.com/PuddleByteComputing/pnp-bin) repo,
   extracted from apheleia PR [#200].
+* Test environment bumped from Ubuntu 20.04 to 22.04
 
 ### Bugs fixed
 * `ktlint` would emit log messages into its stdout when formatting,
@@ -76,7 +77,7 @@ The format is based on [Keep a Changelog].
 * [`rubocop`](https://github.com/rubocop/rubocop) for [ruby](https://www.ruby-lang.org/en/) ([#176]).
 * [`ruby-standard`](https://github.com/standardrb/standard) for
   [ruby](https://www.ruby-lang.org/en/) ([#201])
-* [`ruff`](https://github.com/astral-sh/ruff) for 
+* [`ruff`](https://github.com/astral-sh/ruff) for
   [python](https://python.org) ([#236])
 * [`rufo`](https://github.com/ruby-formatter/rufo) for
   [Ruby](https://www.ruby-lang.org/en/) ([#177]).
diff --git a/test/formatters/Dockerfile b/test/formatters/Dockerfile
index 0098cfe..3535642 100644
--- a/test/formatters/Dockerfile
+++ b/test/formatters/Dockerfile
@@ -1,5 +1,5 @@
 # Ubuntu 20.04 LTS supported until April 2025
-FROM ubuntu:20.04 AS common
+FROM ubuntu:22.04 AS common
 
 WORKDIR /build
 COPY install-common.bash /build/
diff --git a/test/formatters/installers/brittany.bash b/test/formatters/installers/brittany.bash
index 719e198..b6b0699 100644
--- a/test/formatters/installers/brittany.bash
+++ b/test/formatters/installers/brittany.bash
@@ -1,10 +1,6 @@
 # PPA recommended at https://www.haskell.org/cabal/download.html
-apt-key adv --keyserver keyserver.ubuntu.com --recv-keys FF3AEACEF6F88286
-echo "deb [arch=amd64] http://ppa.launchpad.net/hvr/ghc/ubuntu $(lsb_release -cs) main" > /etc/apt/sources.list.d/brittany.list
 
-apt-get update
-apt-get install -y cabal-install-3.4 ghc
-ln -s /opt/cabal/bin/cabal /usr/local/bin/
+apt-get install -y ghc cabal-install
 
 cabal v2-update
 cabal v2-install brittany --reorder-goals
diff --git a/test/formatters/installers/fourmolu.bash b/test/formatters/installers/fourmolu.bash
index 525b1c4..3b78655 100644
--- a/test/formatters/installers/fourmolu.bash
+++ b/test/formatters/installers/fourmolu.bash
@@ -1,4 +1,4 @@
-apt-get install -y haskell-platform
-cabal update
-cabal install fourmolu
+apt-get install -y ghc cabal-install
+cabal v2-update
+cabal v2-install fourmolu --reorder-goals
 cp "${HOME}/.cabal/bin/fourmolu" /usr/local/bin
diff --git a/test/formatters/installers/nixfmt.bash b/test/formatters/installers/nixfmt.bash
index 213a59b..d489829 100644
--- a/test/formatters/installers/nixfmt.bash
+++ b/test/formatters/installers/nixfmt.bash
@@ -1,4 +1,4 @@
 ver="$(latest_release serokell/nixfmt)"
 
-wget "https://github.com/serokell/nixfmt/releases/download/${ver}/nixfmt" -O /usr/local/bin/nixfmt
+wget "https://github.com/serokell/nixfmt/releases/download/${ver}/nixfmt-x86_64-linux" -O /usr/local/bin/nixfmt
 chmod +x /usr/local/bin/nixfmt
diff --git a/test/formatters/installers/ormolu.bash b/test/formatters/installers/ormolu.bash
index 2f4a08f..db6c4d4 100644
--- a/test/formatters/installers/ormolu.bash
+++ b/test/formatters/installers/ormolu.bash
@@ -1,4 +1,4 @@
-apt-get install -y haskell-platform
-cabal update
-cabal install ormolu
+apt-get install -y ghc cabal-install
+cabal v2-update
+cabal v2-install ormolu --reorder-goals
 cp "${HOME}/.cabal/bin/ormolu" /usr/local/bin
diff --git a/test/formatters/installers/rustfmt.bash b/test/formatters/installers/rustfmt.bash
index 7ce08d8..5d30b88 100644
--- a/test/formatters/installers/rustfmt.bash
+++ b/test/formatters/installers/rustfmt.bash
@@ -1,5 +1 @@
-ver="$(latest_release rust-lang/rustfmt | sed 's/^v//')"
-
-wget "https://github.com/rust-lang/rustfmt/releases/download/v${ver}/rustfmt_linux-x86_64_v${ver}.tar.gz" -O rustfmt.tar.gz
-tar -xf rustfmt.tar.gz
-cp rustfmt*/rustfmt /usr/local/bin/
+apt-get install rustfmt -y
diff --git a/test/formatters/samplecode/perltidy/out.pl b/test/formatters/samplecode/perltidy/out.pl
index 7cc9d40..b22e297 100644
--- a/test/formatters/samplecode/perltidy/out.pl
+++ b/test/formatters/samplecode/perltidy/out.pl
@@ -5,7 +5,7 @@ while ( read +STDIN, $_, 2048 ) {
     $c = 142;
     $t = 255;
     @t = map {
-        $_ % 16
+             $_ % 16
           or $t ^= $c ^=
           ( $m = ( 11, 10, 116, 100, 11, 122, 20, 100 )[ $_ / 16 % 8 ] ) & 110;
         $t ^= (
@@ -15,8 +15,8 @@ while ( read +STDIN, $_, 2048 ) {
         )[ $_ % 8 ]
     } ( 16 .. 271 );
     if ( ( @a = unx "C*", $_ )[20] & 48 ) {
-        $h   = 5;
-        $_   = unxb24, join "",
+        $h = 5;
+        $_ = unxb24, join "",
           @b = map { xB8, unxb8, chr( $_ ^ $a[ --$h + 84 ] ) } @ARGV;
         s/...$/1$&/;
         $d = unxV, xb25, $_;