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-rw-r--r--lib/spack/spack/cmd/checksum.py17
1 files changed, 14 insertions, 3 deletions
diff --git a/lib/spack/spack/cmd/checksum.py b/lib/spack/spack/cmd/checksum.py
index 96e36b39b6..b2a2bc5891 100644
--- a/lib/spack/spack/cmd/checksum.py
+++ b/lib/spack/spack/cmd/checksum.py
@@ -14,6 +14,7 @@ import spack.cmd.common.arguments as arguments
import spack.repo
import spack.stage
import spack.util.crypto
+from spack.package import preferred_version
from spack.util.naming import valid_fully_qualified_module_name
from spack.version import Version, ver
@@ -26,9 +27,16 @@ def setup_parser(subparser):
subparser.add_argument(
'--keep-stage', action='store_true',
help="don't clean up staging area when command completes")
- subparser.add_argument(
+ sp = subparser.add_mutually_exclusive_group()
+ sp.add_argument(
'-b', '--batch', action='store_true',
help="don't ask which versions to checksum")
+ sp.add_argument(
+ '-l', '--latest', action='store_true',
+ help="checksum the latest available version only")
+ sp.add_argument(
+ '-p', '--preferred', action='store_true',
+ help="checksum the preferred version only")
arguments.add_common_arguments(subparser, ['package'])
subparser.add_argument(
'versions', nargs=argparse.REMAINDER,
@@ -48,15 +56,18 @@ def checksum(parser, args):
# Get the package we're going to generate checksums for
pkg = spack.repo.get(args.package)
+ url_dict = {}
if args.versions:
# If the user asked for specific versions, use those
- url_dict = {}
for version in args.versions:
version = ver(version)
if not isinstance(version, Version):
tty.die("Cannot generate checksums for version lists or "
"version ranges. Use unambiguous versions.")
url_dict[version] = pkg.url_for_version(version)
+ elif args.preferred:
+ version = preferred_version(pkg)
+ url_dict = dict([(version, pkg.url_for_version(version))])
else:
# Otherwise, see what versions we can find online
url_dict = pkg.fetch_remote_versions()
@@ -76,7 +87,7 @@ def checksum(parser, args):
version_lines = spack.stage.get_checksums_for_versions(
url_dict, pkg.name, keep_stage=args.keep_stage,
batch=(args.batch or len(args.versions) > 0 or len(url_dict) == 1),
- fetch_options=pkg.fetch_options)
+ latest=args.latest, fetch_options=pkg.fetch_options)
print()
print(version_lines)