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authorLudovic Courtès <ludo@gnu.org>2020-08-28 18:31:40 +0200
committerLudovic Courtès <ludo@gnu.org>2020-08-28 23:28:56 +0200
commit3e339c44103f494174d9c20405563135a95cecf9 (patch)
tree42e3bff81449a63196677e7845a5a00df55dbdee /ChangeLog
parentcd0c4e4ef8b64d0a24d20f525a9b214d9779a78c (diff)
downloadguix-3e339c44103f494174d9c20405563135a95cecf9.tar.gz
derivations: Avoid uses of 'display' in 'write-derivation'.
This yields a 4% improvement on the wall-clock time of:

  guix build -e '(@@ (gnu packages libreoffice) libreoffice)' --no-grafts -d

* guix/derivations.scm (write-sequence, write-list, write-tuple): Use
'put-char' instead of 'display'.
(write-derivation): Use 'put-string' and 'put-char', and remove unused
'format' binding.
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