devtools: remove superfluous curly braces in uAPI script

The use of curly braces for variables is inconsistent
in the Linux uAPI script.
It is chosen to remove all of them if not required.

Signed-off-by: Thomas Monjalon <[email protected]>
Reviewed-by: Maxime Coquelin <[email protected]>

Author: tmonjalo

devtools/linux-uapi.sh

@@ -30,7 +30,7 @@ download_header()
 	local header=$1
 	local path=$2
 
-	local url="${base_url}${header}?h=${version}"
+	local url="$base_url$header?h=$version"
 
 	if ! curl -s -f --create-dirs -o $path $url; then
 		echo "Failed to download $url"
@@ -61,12 +61,12 @@ import_header()
 	local import
 	local header=$1
 
-	local path="${base_path}${header}"
+	local path="$base_path$header"
 
 	download_header $header $path || return 1
 
 	for include in $(sed -ne 's/^#include <\(.*\)>$/\1/p' $path); do
-		if [ ! -f "${base_path}${include}" ]; then
+		if [ ! -f "$base_path$include" ]; then
 			read -p "Import $include (y/n): " import && [ "$import" = 'y' ] || continue
 			echo "Importing $include for $path"
 			import_header "$include" || return 1
@@ -85,8 +85,8 @@ fixup_includes()
 
 	# Prepend include path with "uapi/" if the header is imported
 	for include in $(sed -ne 's/^#include <\(.*\)>$/\1/p' $path); do
-		if [ -f "${base_path}${include}" ]; then
-			sed -i "s|${include}|uapi/${include}|g" $path
+		if [ -f "$base_path$include" ]; then
+			sed -i "s|$include|uapi/$include|g" $path
 		fi
 	done
 }
@@ -106,7 +106,7 @@ check_header() {
 }
 
 while getopts i:u:ch opt ; do
-	case ${opt} in
+	case $opt in
 		i ) file=$OPTARG ;;
 		u ) version=$OPTARG ;;
 		c ) check_headers=1 ;;
@@ -123,9 +123,9 @@ fi
 
 cd $(dirname $0)/..
 
-current_version=$(< ${base_path}/version)
+current_version=$(< $base_path/version)
 
-if [ -n "${version}" ]; then
+if [ -n "$version" ]; then
 	if version_older_than "$version" "$current_version"; then
 		echo "Headers already up to date ($current_version >= $version)"
 		version=$current_version
@@ -137,15 +137,15 @@ else
 	version=$current_version
 fi
 
-if [ -n "${file}" ]; then
+if [ -n "$file" ]; then
 	import_header $file || exit 1
 fi
 
 for filename in $(find $base_path -name "*.h" -type f); do
 	fixup_includes $filename || exit 1
 done
 
-echo $version > ${base_path}/version
+echo $version > $base_path/version
 
 if [ $check_headers -eq 0 ]; then
 	exit 0
@@ -154,7 +154,7 @@ fi
 tmpheader="$(mktemp -t dpdk.checkuapi.XXXXXX)"
 trap "rm -f '$tmpheader'" INT
 
-echo "Checking imported headers for version ${version}"
+echo "Checking imported headers for version $version"
 
 for filename in $(find $base_path -name "*.h" -type f); do
 	header=${filename#$base_path}