do not compile pyc on win

Author: jaimergp

.github/workflows/example-6.yml

@@ -39,7 +39,7 @@ jobs:
           - os: macos-latest
             activate-environment: /tmp/anaconda-client-env
           - os: windows-latest
-            activate-environment: c:\ace
+            activate-environment: D:\ace
     defaults:
       run:
         shell: bash -el {0}

dist/setup/index.js

@@ -47271,9 +47271,14 @@ exports.isMambaInstalled = isMambaInstalled;
 function condaCommand(cmd, options) {
     return __awaiter(this, void 0, void 0, function* () {
         const command = [condaExecutable(options, cmd[0]), ...cmd];
-        const env = options.useMamba
-            ? { MAMBA_ROOT_PREFIX: condaBasePath(options) }
-            : {};
+        let env = {};
+        if (options.useMamba) {
+            env.MAMBA_ROOT_PREFIX = condaBasePath(options);
+            if (constants.IS_WINDOWS) {
+                // mamba v2 hangs on Windows during this phase
+                env.MAMBA_COMPILE_PYC = "false";
+            }
+        }
         return yield utils.execute(command, env);
     });
 }
@@ -48052,7 +48057,7 @@ exports.ensureYaml = {
         else {
             subcommand = "update";
         }
-        return ["env", subcommand, flag, nameOrPath, "--file", envFile, "-vvv"];
+        return ["env", subcommand, flag, nameOrPath, "--file", envFile];
     }),
 };
 

src/conda.ts

@@ -106,9 +106,14 @@ export async function condaCommand(
   options: types.IDynamicOptions,
 ): Promise<void> {
   const command = [condaExecutable(options, cmd[0]), ...cmd];
-  const env = options.useMamba
-    ? { MAMBA_ROOT_PREFIX: condaBasePath(options) }
-    : {};
+  let env: { [key: string]: string } = {};
+  if (options.useMamba) {
+    env.MAMBA_ROOT_PREFIX = condaBasePath(options);
+    if (constants.IS_WINDOWS) {
+      // mamba v2 hangs on Windows during this phase
+      env.MAMBA_COMPILE_PYC = "false";
+    }
+  }
   return await utils.execute(command, env);
 }
 

src/env/yaml.ts

@@ -138,6 +138,6 @@ export const ensureYaml: types.IEnvProvider = {
     } else {
       subcommand = "update";
     }
-    return ["env", subcommand, flag, nameOrPath, "--file", envFile, "-vvv"];
+    return ["env", subcommand, flag, nameOrPath, "--file", envFile];
   },
 };