[Unit]
Description=Test for PassEnvironment with a variable name repeated

[Service]
ExecStart=/bin/sh -x -c 'test "$$VAR1" = "word1 word2" && test "$$VAR2" = word3 && test "$$VAR3" = "\\$$word 5 6"'
Type=oneshot
PassEnvironment=VAR1 VAR2
PassEnvironment=VAR1 VAR3