PRISTINE-XZ
Section: pristine-xz (1)
Updated: 2022-11-04
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NAME
pristine-xz - regenerate pristine xz files
SYNOPSIS
pristine-xz [OPTIONS] gendelta file.xz delta
pristine-xz [OPTIONS] genxz delta file
DESCRIPTION
This is a complement to the pristine-tar(1) command. Normally you
don't need to run it by hand, since pristine-tar calls it as necessary
to handle .tar.xz files.
pristine-xz gendelta takes the specified xz file, and generates a
small binary delta file that can later be used by pristine-xz genxz
to recreate the original file.
pristine-xz genxz takes the specified delta file, and compresses the
specified input file (which must be identical to the contents of the
original xz file). The resulting file will be identical to
the original gz file used to create the delta.
The approach used to regenerate the original xz file is to figure out
how it was produced --- what compression level was used, etc. Currently
support is poor for xz files produced with unusual compression options.
If the delta filename is ``-'', pristine-xz reads or writes it to stdio.
OPTIONS
- -v
-
Verbose mode, show each command that is run.
- -d
-
Debug mode.
- -k
-
Don't clean up the temporary directory on exit.
- -t
-
Try harder to determine how to generate deltas of difficult xz files.
ENVIRONMENT
- TMPDIR
-
Specifies a location to place temporary files, other than the default.
AUTHOR
Joey Hess <joeyh@debian.org>,
Faidon Liambotis <paravoid@debian.org>,
Cyril Brulebois <cyril.brulebois@enst-bretagne.fr>
Licensed under the GPL, version 2.
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- OPTIONS
-
- ENVIRONMENT
-
- AUTHOR
-
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