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bug#26225: [PATCH] guix: Compress and decompress xz archives in parallel
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From: |
Leo Famulari |
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Subject: |
bug#26225: [PATCH] guix: Compress and decompress xz archives in parallel. |
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Date: |
Sun, 2 Apr 2017 17:21:18 -0400 |
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User-agent: |
Mutt/1.8.0 (2017-02-23) |
On Sat, Apr 01, 2017 at 08:52:28AM +0200, Marius Bakke wrote:
> > Efraim Flashner wrote:
> >> * guix/scripts/pack.scm (%compressors): Add flag '-T0' when calling "xz".
> >> * guix/utils.scm (decompressed-port, compressed-port,
> >> compressed-output-port): Same.
> >
> >> --- a/guix/utils.scm
> >> +++ b/guix/utils.scm
> >> @@ -154,7 +155,7 @@ a symbol such as 'xz."
> >> (match compression
> >> ((or #f 'none) (values input '()))
> >> ('bzip2 (filtered-port `(,%bzip2 "-dc") input))
> >> - ('xz (filtered-port `(,%xz "-dc") input))
> >> + ('xz (filtered-port `(,%xz "-dc -T0") input))
> >> ('gzip (filtered-port `(,%gzip "-dc") input))
> >> (else (error "unsupported compression scheme" compression))))
>
> Is (parallel-job-count) accessible here? It would be nice to respect it.
I agree, it would be good if we respected it here, if possible.
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