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{ lib, stdenv, fetchFromGitLab, gradle, jre, perl, writeText, runtimeShell }:
let
pname = "pdftk";
version = "3.3.2";
src = fetchFromGitLab {
owner = "pdftk-java";
repo = "pdftk";
rev = "v${version}";
sha256 = "1gji1a06g3p6r4v5dx6h9kbvnf95d0lsjvp0c7daw5l8xhsrvijx";
};
deps = stdenv.mkDerivation {
pname = "${pname}-deps";
inherit src version;
nativeBuildInputs = [ gradle perl ];
buildPhase = ''
export GRADLE_USER_HOME=$(mktemp -d)
gradle -Dfile.encoding=utf-8 shadowJar;
'';
# Mavenize dependency paths
# e.g. org.codehaus.groovy/groovy/2.4.0/{hash}/groovy-2.4.0.jar -> org/codehaus/groovy/groovy/2.4.0/groovy-2.4.0.jar
installPhase = ''
find $GRADLE_USER_HOME/caches/modules-2 -type f -regex '.*\.\(jar\|pom\)' \
| perl -pe 's#(.*/([^/]+)/([^/]+)/([^/]+)/[0-9a-f]{30,40}/([^/\s]+))$# ($x = $2) =~ tr|\.|/|; "install -Dm444 $1 \$out/$x/$3/$4/$5" #e' \
| sh
'';
outputHashAlgo = "sha256";
outputHashMode = "recursive";
outputHash = "1585jqk783gdv8hzyrgvnmlg5x3jq8x1jz3cmrsirv7crlwyyhrv";
};
# Point to our local deps repo
gradleInit = writeText "init.gradle" ''
logger.lifecycle 'Replacing Maven repositories with ${deps}...'
gradle.projectsLoaded {
rootProject.allprojects {
buildscript {
repositories {
clear()
maven { url '${deps}' }
}
}
repositories {
clear()
maven { url '${deps}' }
}
}
}
settingsEvaluated { settings ->
settings.pluginManagement {
repositories {
maven { url '${deps}' }
}
}
}
'';
in stdenv.mkDerivation rec {
inherit pname version src;
nativeBuildInputs = [ gradle ];
buildPhase = ''
export GRADLE_USER_HOME=$(mktemp -d)
gradle --offline --no-daemon --info --init-script ${gradleInit} shadowJar
'';
installPhase = ''
mkdir -p $out/{bin,share/pdftk,share/man/man1}
cp build/libs/pdftk-all.jar $out/share/pdftk
cat << EOF > $out/bin/pdftk
#!${runtimeShell}
exec ${jre}/bin/java -jar "$out/share/pdftk/pdftk-all.jar" "\$@"
EOF
chmod a+x "$out/bin/pdftk"
cp ${src}/pdftk.1 $out/share/man/man1
'';
meta = with lib; {
description = "Command-line tool for working with PDFs";
homepage = "https://gitlab.com/pdftk-java/pdftk";
license = licenses.gpl2Plus;
maintainers = with maintainers; [ raskin averelld ];
platforms = platforms.unix;
};
}
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