forked from josch/mmdebstrap
tarfilter: add --strip-components option
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parent
632a918780
commit
e3a7b7d013
1 changed files with 20 additions and 1 deletions
21
tarfilter
21
tarfilter
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@ -64,6 +64,10 @@ Both types of options use Unix shell-style wildcards:
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? matches any single character
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[seq] matches any character in seq
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[!seq] matches any character not in seq
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Thirdly, strip leading directory components off of tar members. Just as with
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GNU tar --strip-components, tar members that have less or equal components in
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their path are not passed through.
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"""
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)
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parser.add_argument(
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@ -90,8 +94,18 @@ Both types of options use Unix shell-style wildcards:
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action=PaxFilterAction,
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help="Re-include a pax header after a previous exclusion.",
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)
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parser.add_argument(
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"--strip-components",
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metavar="number",
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type=int,
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help="Strip NUMBER leading components from file names",
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)
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args = parser.parse_args()
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if not hasattr(args, "pathfilter") and not hasattr(args, "paxfilter"):
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if (
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not hasattr(args, "pathfilter")
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and not hasattr(args, "paxfilter")
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and not hasattr(args, "strip_components")
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):
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from shutil import copyfileobj
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copyfileobj(sys.stdin.buffer, sys.stdout.buffer)
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@ -141,6 +155,11 @@ Both types of options use Unix shell-style wildcards:
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for member in in_tar:
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if path_filter_should_skip(member):
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continue
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if args.strip_components:
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comps = member.name.split("/")
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if len(comps) <= args.strip_components:
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continue
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member.name = "/".join(comps[args.strip_components :])
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member.pax_headers = {
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k: v
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for k, v in member.pax_headers.items()
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