coursier: additional_dependencies support

testing/get-coursier.ps1

@@ -1,11 +0,0 @@
-$wc = New-Object System.Net.WebClient
-
-$coursier_url = "https://github.com/coursier/coursier/releases/download/v2.0.5/cs-x86_64-pc-win32.exe"
-$coursier_dest = "C:\coursier\cs.exe"
-$coursier_hash ="d63d497f7805261e1cd657b8aaa626f6b8f7264cdb68219b2e6be9dd882033a9"
-
-New-Item -Path "C:\" -Name "coursier" -ItemType "directory"
-$wc.DownloadFile($coursier_url, $coursier_dest)
-if ((Get-FileHash $coursier_dest -Algorithm SHA256).Hash -ne $coursier_hash) {
-    throw "Invalid coursier file"
-}

testing/get-coursier.sh

@@ -1,15 +1,29 @@
 #!/usr/bin/env bash
-# This is a script used in CI to install coursier
 set -euo pipefail
 
-COURSIER_URL="https://github.com/coursier/coursier/releases/download/v2.0.0/cs-x86_64-pc-linux"
-COURSIER_HASH="e2e838b75bc71b16bcb77ce951ad65660c89bda7957c79a0628ec7146d35122f"
-ARTIFACT="/tmp/coursier/cs"
+if [ "$OSTYPE" = msys ]; then
+    URL='https://github.com/coursier/coursier/releases/download/v2.1.0-RC4/cs-x86_64-pc-win32.zip'
+    SHA256='0d07386ff0f337e3e6264f7dde29d137dda6eaa2385f29741435e0b93ccdb49d'
+    TARGET='/tmp/coursier/cs.zip'
+
+    unpack() {
+        unzip "$TARGET" -d /tmp/coursier
+        mv /tmp/coursier/cs-*.exe /tmp/coursier/cs.exe
+        cygpath -w /tmp/coursier >> "$GITHUB_PATH"
+    }
+else
+    URL='https://github.com/coursier/coursier/releases/download/v2.1.0-RC4/cs-x86_64-pc-linux.gz'
+    SHA256='176e92e08ab292531aa0c4993dbc9f2c99dec79578752f3b9285f54f306db572'
+    TARGET=/tmp/coursier/cs.gz
+
+    unpack() {
+        gunzip "$TARGET"
+        chmod +x /tmp/coursier/cs
+        echo /tmp/coursier >> "$GITHUB_PATH"
+    }
+fi
 
 mkdir -p /tmp/coursier
-rm -f "$ARTIFACT"
-curl --location --silent --output "$ARTIFACT" "$COURSIER_URL"
-echo "$COURSIER_HASH  $ARTIFACT" | sha256sum --check
-chmod ugo+x /tmp/coursier/cs
-
-echo '/tmp/coursier' >> "$GITHUB_PATH"
+curl --location --silent --output "$TARGET" "$URL"
+echo "$SHA256 $TARGET" | sha256sum --check
+unpack

testing/language_helpers.py

@@ -0,0 +1,33 @@
+from __future__ import annotations
+
+import os
+from typing import Sequence
+
+import pre_commit.constants as C
+from pre_commit.languages.all import Language
+from pre_commit.prefix import Prefix
+
+
+def run_language(
+        path: os.PathLike[str],
+        language: Language,
+        exe: str,
+        args: Sequence[str] = (),
+        file_args: Sequence[str] = (),
+        version: str = C.DEFAULT,
+        deps: Sequence[str] = (),
+) -> tuple[int, bytes]:
+    prefix = Prefix(str(path))
+
+    language.install_environment(prefix, version, deps)
+    with language.in_env(prefix, version):
+        ret, out = language.run_hook(
+            prefix,
+            exe,
+            args,
+            file_args,
+            require_serial=True,
+            color=False,
+        )
+        out = out.replace(b'\r\n', b'\n')
+        return ret, out

testing/resources/coursier_hooks_repo/.pre-commit-channel/echo-java.json

@@ -1,8 +0,0 @@
-{
-  "repositories": [
-    "central"
-  ],
-  "dependencies": [
-    "io.get-coursier:echo:latest.stable"
-  ]
-}

testing/resources/coursier_hooks_repo/.pre-commit-hooks.yaml

@@ -1,5 +0,0 @@
--   id: echo-java
-    name: echo-java
-    description: echo from java
-    entry: echo-java
-    language: coursier

testing/util.py

@@ -42,10 +42,6 @@ def cmd_output_mocked_pre_commit_home(
     return ret, out.replace('\r\n', '\n'), None
 
 
-skipif_cant_run_coursier = pytest.mark.skipif(
-    os.name == 'nt' or parse_shebang.find_executable('cs') is None,
-    reason="coursier isn't installed or can't be found",
-)
 skipif_cant_run_docker = pytest.mark.skipif(
     os.name == 'nt' or not docker_is_running(),
     reason="Docker isn't running or can't be accessed",