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make-fonts-cache: remove CACHEDIR.TAG file from Nix store

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A CACHEDIR.TAG file indicates that the contents can be automatically
re-generated. This is not really true for Nix store paths. (Well _Nix_
can recreate them, but that's different.)

I noticed this issue as I was restoring full system backup that "for
some reason" always missed /nix/store/*-fc-cache (found by `nix-store
--verify --repair`). Turns out I was excluding caches from my backup...
This commit is contained in:
Bjørn Forsman 2018-02-07 18:59:10 +01:00
parent b101148337
commit 8ea7a302bd
1 changed files with 4 additions and 0 deletions
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4
pkgs/development/libraries/fontconfig/make-fonts-cache.nix
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@ -24,4 +24,8 @@ runCommand "fc-cache"
mkdir -p $out
fc-cache -sv
# This is not a cache dir in the normal sense -- it won't be automatically
# recreated.
rm "$out/CACHEDIR.TAG"
''