scripts/env: replace -a and -o with &&/||

The former are not well defined.

Found with shellcheck.

Signed-off-by: Rosen Penev <rosenp@gmail.com>

scripts/env

@@ -73,7 +73,7 @@ env_init() {
 }
 
 env_sync_data() {
-	[ \! -L "$BASEDIR/.config" -a -f "$BASEDIR/.config" ] && mv "$BASEDIR/.config" "$ENVDIR"
+	[ \! -L "$BASEDIR/.config" ] && [ -f "$BASEDIR/.config" ] && mv "$BASEDIR/.config" "$ENVDIR"
 	git add .
 	git add -u
 }
@@ -185,7 +185,7 @@ env_new() {
 	env_init 1
 	
 	branch="$(git branch | grep '^\* ' | awk '{print $2}')"
-	if [ -n "$branch" -a "$branch" != "master" ]; then
+	if [ -n "$branch" ] && [ "$branch" != "master" ]; then
 		env_ask_sync
 		if ask_bool 0 "Do you want to clone the current environment?"; then
 			from="$branch"
@@ -193,15 +193,15 @@ env_new() {
 		rm -f "$BASEDIR/.config" "$BASEDIR/files"
 	fi
 	git checkout -b "$1" "$from"
-	if [ -f "$BASEDIR/.config" -o -d "$BASEDIR/files" ]; then
+	if [ -f "$BASEDIR/.config" ] || [ -d "$BASEDIR/files" ]; then
 		if ask_bool 1 "Do you want to start your configuration repository with the current configuration?"; then
-			[ -d "$BASEDIR/files" -a \! -L "$BASEDIR/files" ] && {
+			if [ -d "$BASEDIR/files" ] && [ \! -L "$BASEDIR/files" ]; then
 				mkdir -p "$ENVDIR/files"
 				shopt -s dotglob
 				mv "$BASEDIR/files/"* "$ENVDIR/files/" 2>/dev/null
 				shopt -u dotglob
 				rmdir "$BASEDIR/files"
-			}
+			fi
 			env_sync
 		else
 			rm -rf "$BASEDIR/.config" "$BASEDIR/files"