.\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.47.13.
.TH GUIX TIME-MACHINE (GNU GUIX) "1" "September 2020" "GNU" "User Commands"
.SH NAME
guix time-machine (GNU Guix) \- manual page for guix time-machine (GNU Guix) 1.0.1.21935-f5bec3
.SH SYNOPSIS
.B guix
\fI\,time-machine \/\fR[\fI\,OPTION\/\fR] \fI\,-- COMMAND ARGS\/\fR...
.SH DESCRIPTION
Execute COMMAND ARGS... in an older version of Guix.
.TP
\fB\-C\fR, \fB\-\-channels\fR=\fI\,FILE\/\fR
deploy the channels defined in FILE
.TP
\fB\-\-url\fR=\fI\,URL\/\fR
use the Git repository at URL
.TP
\fB\-\-commit\fR=\fI\,COMMIT\/\fR
use the specified COMMIT
.TP
\fB\-\-branch\fR=\fI\,BRANCH\/\fR
use the tip of the specified BRANCH
.TP
\fB\-\-disable\-authentication\fR
disable channel authentication
.TP
\fB\-L\fR, \fB\-\-load\-path\fR=\fI\,DIR\/\fR
prepend DIR to the package module search path
.TP
\fB\-K\fR, \fB\-\-keep\-failed\fR
keep build tree of failed builds
.TP
\fB\-k\fR, \fB\-\-keep\-going\fR
keep going when some of the derivations fail
.TP
\fB\-n\fR, \fB\-\-dry\-run\fR
do not build the derivations
.TP
\fB\-\-fallback\fR
fall back to building when the substituter fails
.TP
\fB\-\-no\-substitutes\fR
build instead of resorting to pre\-built substitutes
.TP
\fB\-\-substitute\-urls\fR=\fI\,URLS\/\fR
fetch substitute from URLS if they are authorized
.TP
\fB\-\-no\-grafts\fR
do not graft packages
.TP
\fB\-\-no\-offload\fR
do not attempt to offload builds
.TP
\fB\-\-max\-silent\-time\fR=\fI\,SECONDS\/\fR
mark the build as failed after SECONDS of silence
.TP
\fB\-\-timeout\fR=\fI\,SECONDS\/\fR
mark the build as failed after SECONDS of activity
.TP
\fB\-\-rounds\fR=\fI\,N\/\fR
build N times in a row to detect non\-determinism
.TP
\fB\-c\fR, \fB\-\-cores\fR=\fI\,N\/\fR
allow the use of up to N CPU cores for the build
.TP
\fB\-M\fR, \fB\-\-max\-jobs\fR=\fI\,N\/\fR
allow at most N build jobs
.TP
\fB\-\-debug\fR=\fI\,LEVEL\/\fR
produce debugging output at LEVEL
.TP
\fB\-h\fR, \fB\-\-help\fR
display this help and exit
.TP
\fB\-V\fR, \fB\-\-version\fR
display version information and exit
.SH "REPORTING BUGS"
Report bugs to: bug\-guix@gnu.org.
.br
GNU Guix home page: <https://www.gnu.org/software/guix/>
.br
General help using Guix and GNU software: <https://guix.gnu.org/help/>
.SH COPYRIGHT
Copyright \(co 2020 the Guix authors
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
.br
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
.SH "SEE ALSO"
The full documentation for
.B guix time-machine (GNU Guix)
is maintained as a Texinfo manual.  If the
.B info
and
.B guix time-machine (GNU Guix)
programs are properly installed at your site, the command
.IP
.B info guix
.PP
should give you access to the complete manual.