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Packaging/Icons/en - Revision history
2026-04-06T04:21:12Z
Revision history for this page on the wiki
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FuzzyBot: Updating to match new version of source page
2025-08-28T18:59:00Z
<p>Updating to match new version of source page</p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 18:59, 28 August 2025</td>
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https://wiki.nixos.org/w/index.php?title=Packaging/Icons/en&diff=18409&oldid=prev
FuzzyBot: Updating to match new version of source page
2024-11-04T07:34:07Z
<p>Updating to match new version of source page</p>
<p><b>New page</b></p><div>== Application icons ==<br />
<br />
Application icons should be installed to <code>$out/share/icons/hicolor</code>.<br />
<br />
Example code for the now outdated [https://github.com/nixos/nixpkgs/blob/c8e5c5c2228ddd58f01b7229e0bb4a92a9585990/pkgs/applications/office/scribus/1_4.nix scribus v1.4] app:<br />
<br />
<syntaxHighlight lang=nix><br />
{ lib<br />
, stdenv<br />
, fetchurl<br />
, imagemagick<br />
}:<br />
<br />
let<br />
icon = fetchurl {<br />
url = "https://gist.githubusercontent.com/ejpcmac/a74b762026c9bc4000be624c3d085517/raw/18edc497c5cb6fdeef1c8aede37a0ee68413f9d3/scribus-icon-centered.svg";<br />
sha256 = "0hq3i7c2l50445an9glhhg47kj26y16svfajc6naqn307ph9vzc3";<br />
};<br />
in<br />
<br />
stdenv.mkDerivation rec {<br />
pname = "scribus";<br />
<br />
nativeBuildInputs = [<br />
imagemagick # convert<br />
];<br />
<br />
# ...<br />
<br />
postInstall = ''<br />
for i in 16 24 48 64 96 128 256 512; do<br />
mkdir -p $out/share/icons/hicolor/''${i}x''${i}/apps<br />
convert -background none -resize ''${i}x''${i} ${icon} $out/share/icons/hicolor/''${i}x''${i}/apps/${pname}.png<br />
done<br />
'';<br />
<br />
}<br />
</syntaxHighlight><br />
<br />
<code>-background none</code> will create transparent icons.<br />
Alternative: <code>-background white</code>.<br />
<br />
=== See also ===<br />
<br />
Another example handling icons [https://github.com/NixOS/nixpkgs/blob/6d8e9b4f6197f7ce5106069f13debfc8e9b1fa8b/pkgs/applications/misc/obsidian/default.nix#L62 obsidian].</div>
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