setup.sh: arithmetic conditional style

happysalada · happysalada · commit e0b7c1223b5d · 2021-06-30T13:46:18.000+09:00
used "recommended" arithmetic conditional style
diff --git a/pkgs/stdenv/generic/setup.sh b/pkgs/stdenv/generic/setup.sh
@@ -638,7 +638,7 @@ export NIX_INDENT_MAKE=1
 
 if [ -z "${NIX_BUILD_CORES:-}" ]; then
   NIX_BUILD_CORES="1"
-elif [ "$NIX_BUILD_CORES" -le 0 ]; then
+elif (( "$NIX_BUILD_CORES" <= 0 )); then
   NIX_BUILD_CORES=$(nproc 2>/dev/null || true)
   if expr >/dev/null 2>&1 "$NIX_BUILD_CORES" : "^[0-9][0-9]*$"; then
     :

Original file line number	Diff line number	Diff line change
`@@ -638,7 +638,7 @@ export NIX_INDENT_MAKE=1`
`638`	`638`
`639`	`639`	`if [ -z "${NIX_BUILD_CORES:-}" ]; then`
`640`	`640`	`NIX_BUILD_CORES="1"`
`641`		`-elif [ "$NIX_BUILD_CORES" -le 0 ]; then`
	`641`	`+elif (( "$NIX_BUILD_CORES" <= 0 )); then`
`642`	`642`	`NIX_BUILD_CORES=$(nproc 2>/dev/null \|\| true)`
`643`	`643`	`if expr >/dev/null 2>&1 "$NIX_BUILD_CORES" : "^[0-9][0-9]*$"; then`
`644`	`644`	`:`