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| -rw-r--r-- | gnu/packages/backup.scm | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/gnu/packages/backup.scm b/gnu/packages/backup.scm index 0810a47f04..92cb0489df 100644 --- a/gnu/packages/backup.scm +++ b/gnu/packages/backup.scm @@ -136,10 +136,15 @@ spying and/or modification by the server.") (modify-phases %standard-phases (add-after 'unpack 'autoreconf (lambda _ (zero? (system* "autoreconf" "-vfi"))))))) - (synopsis "File verification and repair tool") - (description "Par2cmdline is a tool for generating RAID-like PAR2 recovery -files using Reed-Solomon coding. PAR2 files can be stored along side backups -or distributed files for recovering from bitrot.") + (synopsis "File verification and repair tools") + (description "Par2cmdline uses Reed-Solomon error-correcting codes to +generate and verify PAR2 recovery files. These files can be distributed +alongside the source files or stored together with back-ups to protect against +transmission errors or @dfn{bit rot}, the degradation of storage media over +time. +Unlike a simple checksum, PAR2 doesn't merely detect errors: as long as the +damage isn't to great (and smaller than the size of the recovery file), it can +even repair them.") (home-page "https://github.com/Parchive/par2cmdline") (license license:gpl3+))) |