diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/spack/spack/util/compression.py | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/lib/spack/spack/util/compression.py b/lib/spack/spack/util/compression.py index 18c0a9ea5e..cbd5beddec 100644 --- a/lib/spack/spack/util/compression.py +++ b/lib/spack/spack/util/compression.py @@ -79,9 +79,15 @@ def _untar(archive_file): if tar_support() and not uncompress_required and\ not lzma_needed_and_not_available: import tarfile - tar = tarfile.open(archive_file) - tar.extractall() - tar.close() + + # Extract all members but wipe ownership info. This ensures we + # will not attempt to chown the files as superuser. + def filter(tarinfo): + tarinfo.uid = tarinfo.gid = 0 + tarinfo.uname = tarinfo.gname = 'root' + return tarinfo + with tarfile.open(archive_file) as tar: + tar.extractall(members=map(filter, tar.getmembers())) else: tar = which('tar', required=True) tar.add_default_arg('-oxf') |