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dpkg: add setup-hook for unpacking .deb files

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huantian 2023-04-05 22:19:55 -07:00
parent 060e8eee74
commit cdd1063945
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3 changed files with 14 additions and 1 deletions
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1
pkgs/servers/jibri/default.nix
View File

@ -21,7 +21,6 @@ stdenv.mkDerivation rec {
dontBuild = true;
nativeBuildInputs = [ dpkg makeWrapper ];
unpackCmd = "dpkg-deb -x $src debcontents";
installPhase = ''
runHook preInstall

2
pkgs/tools/package-management/dpkg/default.nix
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@ -71,6 +71,8 @@ stdenv.mkDerivation rec {
cp -r scripts/t/origins $out/etc/dpkg
'';
setupHook = ./setup-hook.sh;
meta = with lib; {
description = "The Debian package manager";
homepage = "https://wiki.debian.org/Teams/Dpkg";

12
pkgs/tools/package-management/dpkg/setup-hook.sh Normal file
View File

@ -0,0 +1,12 @@
unpackCmdHooks+=(_tryDpkgDeb)
_tryDpkgDeb() {
if ! [[ "$curSrc" =~ \.deb$ ]]; then return 1; fi
# Don't use dpkg-deb -x as that will error if the archive contains a file
# or directory with a setuid bit in its permissions. This is because dpkg
# calls tar internally with the -p flag, preserving file permissions.
#
# We instead only use dpkg-deb to extract the tarfile containing the files
# we want from the .deb, then finish extracting with tar directly.
mkdir root
dpkg-deb --fsys-tarfile "$curSrc" | tar --extract --directory=root
}