use prebuilt binaries

Dependencies/fetch-prebuilt.sh

@@ -0,0 +1,50 @@
+#!/usr/bin/env bash
+
+# Ensure we are in Dependencies directory
+cd "$(dirname "$0")"
+
+check_for_update() {
+    if [ -f ".skip-prebuilt-fetch-$1" ]; then
+        echo "Skipping prebuilt fetch for $1 since .skip-prebuilt-fetch-$1 exists. If you are developing $1 alongside SideStore, don't remove this file, or this script will replace your locally built binaries with the ones built by GitHub Actions."
+        return
+    fi
+
+    if [ ! -f ".last-prebuilt-fetch-$1" ]; then
+        echo "0,none" > ".last-prebuilt-fetch-$1"
+    fi
+
+    LAST_FETCH=`cat .last-prebuilt-fetch-$1 | perl -n -e '/([0-9]*),([^ ]*)$/ && print $1'`
+    LAST_COMMIT=`cat .last-prebuilt-fetch-$1 | perl -n -e '/([0-9]*),([^ ]*)$/ && print $2'`
+
+    # fetch if last fetch was over 6 hours ago
+    if [[ $LAST_FETCH -lt $(expr $(date +%s) - 21600) ]] || [[ "$2" == "force" ]]; then
+        echo "Checking $1 for update"
+        echo
+        LATEST_COMMIT=`curl https://api.github.com/repos/SideStore/$1/releases/latest | perl -n -e '/Commit: https:\\/\\/github\\.com\\/[^\\/]*\\/[^\\/]*\\/commit\\/([^"]*)/ && print $1'`
+        echo
+        echo "Last commit: $LAST_COMMIT"
+        echo "Latest commit: $LATEST_COMMIT"
+        if [[ "$LAST_COMMIT" != "$LATEST_COMMIT" ]]; then
+            echo "Found update, downloading binaries"
+            echo
+            wget -O "$1/lib$1.a" "https://github.com/SideStore/$1/releases/latest/download/lib$1.a"
+            wget -O "$1/lib$1-sim.a" "https://github.com/SideStore/$1/releases/latest/download/lib$1-sim.a"
+            wget -O "$1/$1.h" "https://github.com/SideStore/$1/releases/latest/download/$1.h"
+            echo
+        else
+            echo "Up-to-date"
+        fi
+        echo "$(date +%s),$LATEST_COMMIT" > ".last-prebuilt-fetch-$1"
+    else
+        echo "It hasn't been 6 hours and force was not specified, skipping update check for $1"
+    fi
+}
+
+# Allow for Xcode to check minimuxer and em_proxy separately by skipping the update check if the other one is specified as an argument
+if [[ "$1" != "em_proxy" ]]; then
+    check_for_update minimuxer "$1"
+    echo
+fi
+if [[ "$1" != "minimuxer" ]]; then
+    check_for_update em_proxy "$1"
+fi