Merge staging at '8d490ca9934d0c01e1e9ade455657e54e2e843c0' into master

2018-02-26 13:05:32 +01:00
parent 754816b84b 8d490ca993
commit fc23242220
33 changed files with 389 additions and 267 deletions
@@ -25,7 +25,11 @@ mangleVarBool() {
    for infix in "${role_infixes[@]}"; do
        local inputVar="${var/+/${infix}}"
        if [ -v "$inputVar" ]; then
-            let "${outputVar} |= ${!inputVar}"
+            # "1" in the end makes `let` return success error code when
+            # expression itself evaluates to zero.
+            # We don't use `|| true` because that would silence actual
+            # syntax errors from bad variable values.
+            let "${outputVar} |= ${!inputVar:-0}" "1"
        fi
    done
 }