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doc/build-helpers: fix appimage example where postExtract is used (#402756)

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Arne Keller
2025-09-23 08:48:42 +02:00
committed by GitHub
parent a8d005900d 855da9ad35
commit d6199f835b
1 changed files with 17 additions and 7 deletions
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24
doc/build-helpers/images/appimagetools.section.md
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@@ -110,12 +110,12 @@ appimageTools.wrapType2 {
extraPkgs = pkgs: [ pkgs.at-spi2-core ];
extraInstallCommands = ''
mv $out/bin/${pname}-${version} $out/bin/${pname}
mv $out/bin/irccloud-${version} $out/bin/irccloud
install -m 444 -D ${appimageContents}/irccloud.desktop $out/share/applications/irccloud.desktop
install -m 444 -D ${appimageContents}/usr/share/icons/hicolor/512x512/apps/irccloud.png \
$out/share/icons/hicolor/512x512/apps/irccloud.png
substituteInPlace $out/share/applications/irccloud.desktop \
--replace-fail 'Exec=AppRun' 'Exec=${pname}'
--replace-fail 'Exec=AppRun' 'Exec=irccloud'
'';
}
```
@@ -125,11 +125,16 @@ appimageTools.wrapType2 {
The argument passed to `extract` can also contain a `postExtract` attribute, which allows you to execute additional commands after the files are extracted from the AppImage.
`postExtract` must be a string with commands to run.
:::{.warning}
When specifying `postExtract`, you should use `appimageTools.wrapAppImage` instead of `appimageTools.wrapType2`.
Otherwise `wrapType2` will extract the AppImage contents without respecting the `postExtract` instructions.
:::
:::{.example #ex-extracting-appimage-with-postextract}
# Extracting an AppImage to install extra files, using `postExtract`
This is a rewrite of [](#ex-extracting-appimage) to use `postExtract`.
This is a rewrite of [](#ex-extracting-appimage) to use `postExtract` and `wrapAppImage`.
```nix
{ appimageTools, fetchurl }:
@@ -145,21 +150,26 @@ let
appimageContents = appimageTools.extract {
inherit pname version src;
postExtract = ''
substituteInPlace $out/irccloud.desktop --replace-fail 'Exec=AppRun' 'Exec=${pname}'
substituteInPlace $out/irccloud.desktop --replace-fail 'Exec=AppRun' 'Exec=irccloud'
'';
};
in
appimageTools.wrapType2 {
inherit pname version src;
appimageTools.wrapAppImage {
inherit pname version;
src = appimageContents;
extraPkgs = pkgs: [ pkgs.at-spi2-core ];
extraInstallCommands = ''
mv $out/bin/${pname}-${version} $out/bin/${pname}
mv $out/bin/irccloud-${version} $out/bin/irccloud
install -m 444 -D ${appimageContents}/irccloud.desktop $out/share/applications/irccloud.desktop
install -m 444 -D ${appimageContents}/usr/share/icons/hicolor/512x512/apps/irccloud.png \
$out/share/icons/hicolor/512x512/apps/irccloud.png
'';
# specify src archive for nix-update
passthru.src = src;
}
```