Update HOME and CREW_DEST_HOME variables (#3093)

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lib/const.rb

@@ -19,8 +19,14 @@ CREW_BREW_DIR = CREW_PREFIX + '/tmp/crew/'
 CREW_DEST_DIR = CREW_BREW_DIR + 'dest'
 CREW_DEST_PREFIX = CREW_DEST_DIR + CREW_PREFIX
 CREW_DEST_LIB_PREFIX = CREW_DEST_DIR + CREW_LIB_PREFIX
-CREW_DEST_HOME = CREW_DEST_DIR + ENV['HOME']
-HOME = ENV['HOME']
+
+if ENV['CREW_PREFIX'].to_s == ''
+  HOME = ENV['HOME']
+else
+  HOME = CREW_PREFIX + ENV['HOME']
+end
+
+CREW_DEST_HOME = CREW_DEST_DIR + HOME
 
 # Set CREW_NPROC from environment variable or `nproc`
 if ENV["CREW_NPROC"].to_s == ''