NAME

       guix   time-machine   (GNU   Guix)   -  manual  page  for  guix  time-machine  (GNU  Guix)
       1.3.0rc2.13-21fcc

SYNOPSIS

       guix time-machine [OPTION] -- COMMAND ARGS...

DESCRIPTION

       Execute COMMAND ARGS... in an older version of Guix.

       -C, --channels=FILE
              deploy the channels defined in FILE

       --url=URL
              use the Git repository at URL

       --commit=COMMIT
              use the specified COMMIT

       --branch=BRANCH
              use the tip of the specified BRANCH

       --disable-authentication
              disable channel authentication

       -L, --load-path=DIR
              prepend DIR to the package module search path

       -K, --keep-failed
              keep build tree of failed builds

       -k, --keep-going
              keep going when some of the derivations fail

       -n, --dry-run
              do not build the derivations

       --fallback
              fall back to building when the substituter fails

       --no-substitutes
              build instead of resorting to pre-built substitutes

       --substitute-urls=URLS
              fetch substitute from URLS if they are authorized

       --no-grafts
              do not graft packages

       --no-offload
              do not attempt to offload builds

       --max-silent-time=SECONDS
              mark the build as failed after SECONDS of silence

       --timeout=SECONDS
              mark the build as failed after SECONDS of activity

       --rounds=N
              build N times in a row to detect non-determinism

       -c, --cores=N
              allow the use of up to N CPU cores for the build

       -M, --max-jobs=N
              allow at most N build jobs

       --debug=LEVEL
              produce debugging output at LEVEL

       -h, --help
              display this help and exit

       -V, --version
              display version information and exit

REPORTING BUGS

       Report bugs to: bug-guix@gnu.org.
       GNU Guix home page: <https://www.gnu.org/software/guix/>
       General help using Guix and GNU software: <https://guix.gnu.org/en/help/>

COPYRIGHT

       Copyright  ©  2021  the  Guix  authors  License  GPLv3+:  GNU  GPL  version  3  or   later
       <http://gnu.org/licenses/gpl.html>
       This  is free software: you are free to change and redistribute it.  There is NO WARRANTY,
       to the extent permitted by law.

SEE ALSO

       The full documentation for guix time-machine (GNU Guix) is maintained as a Texinfo manual.
       If the info and guix time-machine (GNU Guix) programs are properly installed at your site,
       the command

              info guix

       should give you access to the complete manual.