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k 3 fetchWallpaper: move only if exists

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This commit is contained in:
makefu 2016-05-02 17:36:16 +02:00
parent df8b7fffb1
commit e4251e63ac
1 changed files with 3 additions and 1 deletions
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4
krebs/3modules/fetchWallpaper.nix
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@ -42,9 +42,11 @@ let
fetchWallpaperScript = pkgs.writeScript "fetchWallpaper" ''
#! ${pkgs.bash}/bin/bash
set -euf
mkdir -p ${shell.escape cfg.stateDir}
curl -s -o ${shell.escape cfg.stateDir}/wallpaper -z ${shell.escape cfg.stateDir}/wallpaper ${shell.escape cfg.url}
cd ${shell.escape cfg.stateDir}
curl -s -o wallpaper.tmp -z wallpaper ${shell.escape cfg.url} && mv wallpaper.tmp wallpaper
feh --no-fehbg --bg-scale ${shell.escape cfg.stateDir}/wallpaper
'';