8135014: logger.sh needs to handle commands with variable assignment prefixes

Reviewed-by: erikj

common/bin/logger.sh

@@ -41,5 +41,19 @@ RCDIR=`mktemp -dt jdk-build-logger.tmp.XXXXXX` || exit $?
 trap "rm -rf \"$RCDIR\"" EXIT
 LOGFILE=$1
 shift
+
+# We need to handle command likes like "VAR1=val1 /usr/bin/cmd VAR2=val2".
+# Do this by shifting away prepended variable assignments, and export them
+# instead.
+is_prefix=true
+for opt; do
+  if [[ "$is_prefix" = true && "$opt" =~ ^.*=.*$ ]]; then
+    export $opt
+    shift
+  else
+    is_prefix=false
+  fi
+done
+
 (exec 3>&1 ; ("$@" 2>&1 1>&3; echo $? > "$RCDIR/rc") | tee -a $LOGFILE 1>&2 ; exec 3>&-) | tee -a $LOGFILE
 exit `cat "$RCDIR/rc"`