uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/tools/networking/i2p/default.nix

@@ -0,0 +1,56 @@
+{ lib, stdenv, ps, coreutils, fetchurl, jdk, jre, ant, gettext, which, java-service-wrapper }:
+
+stdenv.mkDerivation rec {
+  pname = "i2p";
+  version = "1.6.1";
+
+  src = fetchurl {
+    url = "https://download.i2p2.de/releases/${version}/i2psource_${version}.tar.bz2";
+    sha256 = "sha256-cZYGxMtRDeT+dPJLv6U5EacFMYIfwe55op49luqhZzM=";
+  };
+
+  buildInputs = [ jdk ant gettext which ];
+  patches = [ ./i2p.patch ];
+
+  buildPhase = ''
+    export JAVA_TOOL_OPTIONS="-Dfile.encoding=UTF8"
+    ant preppkg-linux-only
+  '';
+
+  installPhase = ''
+    set -B
+    mkdir -p $out/{bin,share}
+    cp -r pkg-temp/* $out
+
+    cp ${java-service-wrapper}/bin/wrapper $out/i2psvc
+    cp ${java-service-wrapper}/lib/wrapper.jar $out/lib
+    cp ${java-service-wrapper}/lib/libwrapper.so $out/lib
+
+    sed -i $out/i2prouter -i $out/runplain.sh \
+      -e "s#uname#${coreutils}/bin/uname#" \
+      -e "s#which#${which}/bin/which#" \
+      -e "s#%gettext%#${gettext}/bin/gettext#" \
+      -e "s#/usr/ucb/ps#${ps}/bin/ps#" \
+      -e "s#/usr/bin/tr#${coreutils}/bin/tr#" \
+      -e "s#%INSTALL_PATH#$out#" \
+      -e 's#%USER_HOME#$HOME#' \
+      -e "s#%SYSTEM_java_io_tmpdir#/tmp#" \
+      -e "s#%JAVA%#${jre}/bin/java#"
+    mv $out/runplain.sh $out/bin/i2prouter-plain
+    mv $out/man $out/share/
+    chmod +x $out/bin/* $out/i2psvc
+    rm $out/{osid,postinstall.sh,INSTALL-headless.txt}
+  '';
+
+  meta = with lib; {
+    description = "Applications and router for I2P, anonymity over the Internet";
+    homepage = "https://geti2p.net";
+    sourceProvenance = with sourceTypes; [
+      fromSource
+      binaryBytecode  # source bundles dependencies as jars
+    ];
+    license = licenses.gpl2;
+    platforms = [ "x86_64-linux" "i686-linux" ];
+    maintainers = with maintainers; [ joelmo ];
+  };
+}

pkgs/tools/networking/i2p/i2p.patch

@@ -0,0 +1,43 @@
+diff --git a/installer/resources/i2prouter b/installer/resources/i2prouter
+index 365737d89..2ea14db3e 100644
+--- a/installer/resources/i2prouter
++++ b/installer/resources/i2prouter
+@@ -49,7 +49,7 @@ APP_LONG_NAME="I2P Service"
+ 
+ # gettext - we look for it in the path
+ # fallback to echo is below, we can't set it to echo here.
+-GETTEXT=$(which gettext > /dev/null 2>&1)
++GETTEXT=%gettext%
+ 
+ # Where to install the systemd service
+ SYSTEMD_SERVICE="/etc/systemd/system/${APP_NAME}.service"
+diff --git a/installer/resources/runplain.sh b/installer/resources/runplain.sh
+index eb4995dfe..0186cede3 100644
+--- a/installer/resources/runplain.sh
++++ b/installer/resources/runplain.sh
+@@ -25,7 +25,7 @@ CP=
+ 
+ # Try using the Java binary that I2P was installed with.
+ # If it's not found, try looking in the system PATH.
+-JAVA=$(which "%JAVA_HOME"/bin/java || which java)
++JAVA=%JAVA%
+ 
+ if [ -z $JAVA ] || [ ! -x $JAVA ]; then
+     echo "Error: Cannot find java." >&2
+@@ -44,15 +44,4 @@ if [ $(uname -s) = "Darwin" ]; then
+     export JAVA_TOOL_OPTIONS="-Djava.awt.headless=true"
+ fi
+ JAVAOPTS="${MAXMEMOPT} -Djava.net.preferIPv4Stack=${PREFERv4} -Djava.library.path=${I2P}:${I2P}/lib -Di2p.dir.base=${I2P} -DloggerFilenameOverride=logs/log-router-@.txt"
+-(
+-    nohup ${JAVA} -cp \"${CP}\" ${JAVAOPTS} net.i2p.router.RouterLaunch > /dev/null 2>&1
+-) &
+-PID=$!
+-
+-if [ ! -z $PID ] && kill -0 $PID > /dev/null 2>&1 ; then
+-    echo "I2P started [$PID]" >&2
+-    echo $PID > "${I2PTEMP}/router.pid"
+-else
+-    echo "I2P failed to start." >&2
+-    exit 1
+-fi
++exec ${JAVA} -cp \"${CP}\" ${JAVAOPTS} net.i2p.router.RouterLaunch