commit bash-20180817 snapshot

tests/varenv.right

@@ -177,6 +177,36 @@ declare -a a=([0]="X" [1]="Y")
 declare -a s=([0]="X" [1]="Y")
 declare -a a=([0]="XY")
 declare -a s=([0]="XY")
+f: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
+f1: after: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
+done: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100
+f3:1
+f3:2
+f3:3
+f3:4
+f3:5
+f3:6
+f3:7
+f3:8
+f3:9
+f3:10
+f3:11
+f3:12
+f3:13
+f3:14
+f3:15
+f3:16
+f3:17
+f3:18
+f3:19
+f3:20
+before source: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
+varenv15.in: before set: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
+varenv15.in: after set: a b c d e f g h i j k l m n o p q r s t u v w x y z
+after source 1: a b c d e f g h i j k l m n o p q r s t u v w x y z
+varenv15.in: before set: one two three four five six seven eight nine ten
+varenv15.in: after set: a b c d e f g h i j k l m n o p q r s t u v w x y z
+after source 2: a b c d e f g h i j k l m n o p q r s t u v w x y z
 a=z
 a=b
 a=z

tests/varenv.tests

@@ -240,5 +240,7 @@ ${THIS_SH} ./varenv13.sub
 # localvar_inherit
 ${THIS_SH} ./varenv14.sub
 
+${THIS_SH} ./varenv15.sub
+
 # make sure variable scoping is done right
 tt() { typeset a=b;echo a=$a; };a=z;echo a=$a;tt;echo a=$a

tests/varenv15.in

@@ -0,0 +1,3 @@
+echo varenv15.in: before set: "$@"
+set -- a b c d e f g h i j k l m n o p q r s t u v w x y z
+echo varenv15.in: after set: "$@"

tests/varenv15.sub

@@ -0,0 +1,38 @@
+# check saving and restoring positional parameters around function calls
+
+f()
+{
+	echo $FUNCNAME: "$@"
+}
+
+f1()
+{
+	f {1..50}
+	echo $FUNCNAME: after: $@
+}
+
+set -- {1..100}
+
+f1 {1..20}
+echo done: $@
+
+f3()
+{
+	echo $FUNCNAME:$1
+	shift
+	if [ $# -le 0 ]; then
+		return
+	fi
+	f3 "$@"
+}
+
+f3 {1..20}
+
+# now let's try source with and without positional parameters
+
+set -- {1..20}
+echo before source: "$@"
+. ./varenv15.in
+echo after source 1: "$@"
+. ./varenv15.in one two three four five six seven eight nine ten
+echo after source 2: "$@"