diff options
-rw-r--r-- | lib/spack/spack/fetch_strategy.py | 5 | ||||
-rw-r--r-- | lib/spack/spack/util/executable.py | 8 |
2 files changed, 11 insertions, 2 deletions
diff --git a/lib/spack/spack/fetch_strategy.py b/lib/spack/spack/fetch_strategy.py index 3e6f59d9b8..0ba0251caa 100644 --- a/lib/spack/spack/fetch_strategy.py +++ b/lib/spack/spack/fetch_strategy.py @@ -437,7 +437,10 @@ class GitFetchStrategy(VCSFetchStrategy): # cloning. Later git versions can do this with clone # --branch, but older ones fail. if self.tag and self.git_version < ver('1.8.5.2'): - self.git('pull', '--tags') + # pull --tags returns a "special" error code of 1 in + # older versions that we have to ignore. + # see: https://github.com/git/git/commit/19d122b + self.git('pull', '--tags', ignore_errors=1) self.git('checkout', self.tag) diff --git a/lib/spack/spack/util/executable.py b/lib/spack/spack/util/executable.py index 1dcda0d87f..67e8cddd98 100644 --- a/lib/spack/spack/util/executable.py +++ b/lib/spack/spack/util/executable.py @@ -57,8 +57,13 @@ class Executable(object): """Run the executable with subprocess.check_output, return output.""" return_output = kwargs.get("return_output", False) fail_on_error = kwargs.get("fail_on_error", True) + ignore_errors = kwargs.get("ignore_errors", ()) error = kwargs.get("error", sys.stderr) + # if they just want to ignore one error code, make it a tuple. + if isinstance(ignore_errors, int): + ignore_errors = (ignore_errors,) + quoted_args = [arg for arg in args if re.search(r'^"|^\'|"$|\'$', arg)] if quoted_args: tty.warn("Quotes in command arguments can confuse scripts like configure.", @@ -85,7 +90,8 @@ class Executable(object): out, err = proc.communicate() self.returncode = proc.returncode - if fail_on_error and proc.returncode != 0: + rc = proc.returncode + if fail_on_error and rc != 0 and (rc not in ignore_errors): raise ProcessError("Command exited with status %d:" % proc.returncode, cmd_line) if return_output: |