fix issue and add init

Makefile

@@ -5,7 +5,9 @@ RVD_INT_EXT     = apk
 RVD_PATCHES     = revanced-patches
 RVD_PATCHES_EXT = jar
 
-GITHUB_URL      = https://api.github.com/repos/
+ADB_ARCHIVE = platform-tools-latest-linux.zip
+
+GITHUB_URL      = https://api.github.com/repos
 GITHUB_REPO     = revanced
 GITHUB_ENDPOINT = releases/latest
 
@@ -18,6 +20,7 @@ RM   = rm -f
 MV    = mv
 LS    = ls
 ECHO  = echo
+UNZIP = unzip
 
 GREP_DOWNLOADS = grep 'browser_'
 GREP_LATEST    = grep -v 'dev' | head -1
@@ -32,6 +35,12 @@ update_version_file:
 	$(MV) $(RVD_PATCHES)*.$(RVD_PATCHES_EXT) $(RVD_PATCHES).$(RVD_PATCHES_EXT)
 	@$(ECHO) Version file updated!
 
+init: update
+init:
+	@$(WGET) https://dl.google.com/android/repository/$(ADB_ARCHIVE)
+	@$(UNZIP) $(ADB_ARCHIVE)
+	@$(RM) $(ADB_ARCHIVE)
+
 update: clean
 update: download_cli
 update: download_INT