Fix-conda-version-parsing (#20674)

src/client/pythonEnvironments/common/environmentManagers/conda.ts

@@ -1,6 +1,6 @@
 import * as fsapi from 'fs-extra';
 import * as path from 'path';
-import { lt, parse, SemVer } from 'semver';
+import { lt, SemVer } from 'semver';
 import { getEnvironmentVariable, getOSType, getUserHomeDir, OSType } from '../../../common/utils/platform';
 import {
  arePathsSame,
@@ -552,9 +552,15 @@ export class Conda {
  if (!versionString) {
  return undefined;
  }
- const version = parse(versionString, true);
- if (version) {
- return version;
+ const pattern = /(?<major>\d+)\.(?<minor>\d+)\.(?<micro>\d+)(?:.*)?/;
+ const match = versionString.match(pattern);
+ if (match && match.groups) {
+ const versionStringParsed = match.groups.major.concat('.', match.groups.minor, '.', match.groups.micro);
+
+ const semVarVersion: SemVer = new SemVer(versionStringParsed);
+ if (semVarVersion) {
+ return semVarVersion;
+ }
  }
  // Use a bogus version, at least to indicate the fact that a version was returned.
  // This ensures we still use conda for activation, installation etc.

src/test/pythonEnvironments/common/environmentManagers/conda.unit.test.ts

@@ -491,6 +491,17 @@ suite('Conda and its environments are located correctly', () => {
  expect(eq(version!, '4.8.0')).to.equal(true);
  });
 
+ test('Conda version works for dev versions of conda', async () => {
+ files = {
+ conda: JSON.stringify(condaInfo('23.1.0.post7+d5281f611')),
+ };
+ condaVersionOutput = 'conda 23.1.0.post7+d5281f611';
+ const conda = await Conda.getConda();
+ const version = await conda?.getCondaVersion();
+ expect(version).to.not.equal(undefined);
+ expect(eq(version!, '23.1.0')).to.equal(true);
+ });
+
  test('Conda run args returns `undefined` for conda version below 4.9.0', async () => {
  files = {
  conda: JSON.stringify(condaInfo('4.8.0')),