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appimage: refactoring extractType2 to avoid use of appimage packer

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This commit is contained in:
Bignaux Ronan 2020-03-03 01:40:57 +01:00
parent 619a095af0
commit ebaedb5377
1 changed files with 8 additions and 7 deletions
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15
pkgs/build-support/appimage/default.nix
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@ -1,4 +1,4 @@
{ stdenv, libarchive, patchelf, zlib, buildFHSUserEnv, writeScript }:
{ stdenv, libarchive, radare2, jq, buildFHSUserEnv, squashfsTools, writeScript }:
rec {
# Both extraction functions could be unified, but then
@ -19,15 +19,16 @@ rec {
name = "${name}-extracted";
inherit src;
nativeBuildInputs = [ patchelf ];
nativeBuildInputs = [ radare2 jq squashfsTools ];
buildCommand = ''
install $src ./appimage
patchelf \
--set-interpreter ${stdenv.cc.bintools.dynamicLinker} \
--replace-needed libz.so.1 ${zlib}/lib/libz.so.1 \
./appimage
./appimage --appimage-extract
# multiarch offset one-liner using same method as AppImage
# see https://gist.github.com/probonopd/a490ba3401b5ef7b881d5e603fa20c93
offset=$(r2 ./appimage -nn -Nqc "pfj.elf_header @ 0" |\
jq 'map({(.name): .value}) | add | .shoff + (.shnum * .shentsize)')
unsquashfs -o $offset ./appimage
cp -rv squashfs-root $out
'';