[tex-live] option --dry-run to backup action did not output anything

Norbert Preining preining at logic.at
Fri Apr 8 10:39:19 CEST 2016


> ~$ tlmgr backup --clean=0 --all --dry-run 
> does not output anything.

Indeed, but it should have logged something into
(in TEXMFSYSVAR/web2c), even in dry-run mode.

> Unfortunately I forgot to check after the first call
> with --dry-run if anything had been pruned.

No, it hasn't ;-)

> By the way the clean=N syntax is a bit confusing
> as apparently it says to *keep* N backups.

Indeed, but it overrides the autobackup option, so well,
for now one has to live with that. 

> What is the correct way to use --dry-run ?

You did nothing wrong - if you don't want any actual action,
use --dry-run .


PREINING, Norbert                               http://www.preining.info
JAIST, Japan                                 TeX Live & Debian Developer
GPG: 0x860CDC13   fp: F7D8 A928 26E3 16A1 9FA0  ACF0 6CAC A448 860C DC13

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