Automatically download the golangci-lint if not exists

x.py

@@ -19,7 +19,7 @@
 
 from argparse import ArgumentParser, ArgumentDefaultsHelpFormatter, REMAINDER
 from glob import glob
-from os import makedirs
+from os import makedirs, system
 from pathlib import Path
 import re
 from subprocess import Popen, PIPE
@@ -29,6 +29,7 @@
 CMAKE_REQUIRE_VERSION = (3, 16, 0)
 CLANG_FORMAT_REQUIRED_VERSION = (12, 0, 0)
 CLANG_TIDY_REQUIRED_VERSION = (12, 0, 0)
+GOLANGCI_LINT_REQUIRED_VERSION = (1, 49, 0)
 
 SEMVER_REGEX = re.compile(
     r"""
@@ -192,15 +193,24 @@ def clang_tidy(dir: str, jobs: Optional[int], clang_tidy_path: str, run_clang_ti
     run(run_command, *options, *regexes, verbose=True, cwd=basedir)
 
 
-def golangci_lint() -> None:
-    go = find_command('go', msg='go is required for testing')
-    gopath = run_pipe(go, 'env', 'GOPATH').read().strip()
-    bindir = Path(gopath).absolute() / 'bin'
-    binpath = bindir / 'golangci-lint'
-    if not binpath.exists():
-        output = run_pipe('curl', '-sfL', 'https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh',
-                          verbose=True)
-        run('sh', '-s', '--', '-b', str(bindir), 'v1.49.0', verbose=True, stdin=output)
+def golangci_lint(golangci_lint_path: str) -> None:
+    binpath = ""
+    if system('which '+ golangci_lint_path)  == 0:
+        golangci_command = find_command(golangci_lint_path, msg="golangci-lint is required")
+        version_res = run_pipe(golangci_command, '--version').read().strip()
+        version_str = re.search(r'version\s+((?:\w|\.)+)', version_res).group(1)
+
+        check_version(version_str, GOLANGCI_LINT_REQUIRED_VERSION, "golangci-lint")
+        binpath = golangci_command
+    else:
+        go = find_command('go', msg='go is required for testing')
+        gopath = run_pipe(go, 'env', 'GOPATH').read().strip()
+        bindir = Path(gopath).absolute() / 'bin'
+        binpath = bindir / 'golangci-lint'
+        if not binpath.exists():
+            output = run_pipe('curl', '-sfL', 'https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh',
+                            verbose=True)
+            run('sh', '-s', '--', '-b', str(bindir), 'v1.49.0', verbose=True, stdin=output)
     basedir = Path(__file__).parent.absolute() / 'tests' / 'gocase'
     run(str(binpath), 'run', '-v', './...', cwd=str(basedir), verbose=True)
 
@@ -319,7 +329,9 @@ def test_go(dir: str, cli_path: str, rest: List[str]) -> None:
         formatter_class=ArgumentDefaultsHelpFormatter,
     )
     parser_check_golangci_lint.set_defaults(func=golangci_lint)
-
+    parser_check_golangci_lint.add_argument('--golangci-lint-path', default='golangci-lint',
+                                   help="path of golangci-lint used to check source")
+
     parser_build = subparsers.add_parser(
         'build',
         description="Build executables to BUILD_DIR [default: build]",