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/applications/emulators/citra/update.sh

@@ -0,0 +1,84 @@
+#! /usr/bin/env nix-shell
+#! nix-shell -i bash -p nix nix-prefetch-git coreutils curl jq gnused
+
+set -euo pipefail
+
+# Will be replaced with the actual branch when running this from passthru.updateScript
+BRANCH="@branch@"
+
+if [[ ! "$(basename $PWD)" = "citra" ]]; then
+    echo "error: Script must be ran from citra's directory!"
+    exit 1
+fi
+
+getLocalVersion() {
+    pushd ../../../.. >/dev/null
+    nix eval --raw -f default.nix "$1".version
+    popd >/dev/null
+}
+
+getLocalHash() {
+    pushd ../../../.. >/dev/null
+    nix eval --raw -f default.nix "$1".src.drvAttrs.outputHash
+    popd >/dev/null
+}
+
+updateNightly() {
+    OLD_NIGHTLY_VERSION="$(getLocalVersion "citra-nightly")"
+    OLD_NIGHTLY_HASH="$(getLocalHash "citra-nightly")"
+
+    NEW_NIGHTLY_VERSION="$(curl -s ${GITHUB_TOKEN:+"-u \":$GITHUB_TOKEN\""} \
+        "https://api.github.com/repos/citra-emu/citra-nightly/releases?per_page=1" | jq -r '.[0].name' | cut -d"-" -f2 | cut -d" " -f2)"
+
+    if [[ "${OLD_NIGHTLY_VERSION}" = "${NEW_NIGHTLY_VERSION}" ]]; then
+        echo "citra-nightly is already up to date!"
+
+        [ "$KEEP_GOING" ] && return || exit
+    else
+        echo "citra-nightly: ${OLD_NIGHTLY_VERSION} -> ${NEW_NIGHTLY_VERSION}"
+    fi
+
+    echo "  Fetching source code..."
+
+    NEW_NIGHTLY_HASH="$(nix-prefetch-git --quiet --fetch-submodules --rev "nightly-${NEW_NIGHTLY_VERSION}" "https://github.com/citra-emu/citra-nightly" | jq -r '.sha256')"
+
+    echo "  Succesfully fetched. hash: ${NEW_NIGHTLY_HASH}"
+
+    sed -i "s/${OLD_NIGHTLY_VERSION}/${NEW_NIGHTLY_VERSION}/" ./default.nix
+    sed -i "s/${OLD_NIGHTLY_HASH}/${NEW_NIGHTLY_HASH}/" ./default.nix
+}
+
+updateCanary() {
+    OLD_CANARY_VERSION="$(getLocalVersion "citra-canary")"
+    OLD_CANARY_HASH="$(getLocalHash "citra-canary")"
+
+    NEW_CANARY_VERSION="$(curl -s ${GITHUB_TOKEN:+"-u \":$GITHUB_TOKEN\""} \
+        "https://api.github.com/repos/citra-emu/citra-canary/releases?per_page=1" | jq -r '.[0].name' | cut -d"-" -f2 | cut -d" " -f1)"
+
+    if [[ "${OLD_CANARY_VERSION}" = "${NEW_CANARY_VERSION}" ]]; then
+        echo "citra-canary is already up to date!"
+
+        [ "$KEEP_GOING" ] && return || exit
+    else
+        echo "citra-canary: ${OLD_CANARY_VERSION} -> ${NEW_CANARY_VERSION}"
+    fi
+
+    echo "  Fetching source code..."
+
+    NEW_CANARY_HASH="$(nix-prefetch-git --quiet --fetch-submodules --rev "canary-${NEW_CANARY_VERSION}" "https://github.com/citra-emu/citra-canary" | jq -r '.sha256')"
+
+    echo "  Succesfully fetched. hash: ${NEW_CANARY_HASH}"
+
+    sed -i "s/${OLD_CANARY_VERSION}/${NEW_CANARY_VERSION}/" ./default.nix
+    sed -i "s/${OLD_CANARY_HASH}/${NEW_CANARY_HASH}/" ./default.nix
+}
+
+if [[ "$BRANCH" = "nightly" ]]; then
+    updateNightly
+elif [[ "$BRANCH" = "early-access" ]]; then
+    updateCanary
+else
+    KEEP_GOING=1
+    updateNightly
+    updateCanary
+fi