Minor syntactic cleanup

Author: polytypic

commands/add

@@ -7,7 +7,7 @@ KIND="${1%/}"
 URL="$2"
 BRANCH="$3"
 
-if [ "$#" -ne 3 ] || [ ! -d .git ] || [[ ! "$KIND" =~ ^(requires|equipment)$ ]]; then
+if [ $# -ne 3 ] || [ ! -d .git ] || [[ ! "$KIND" =~ ^(requires|equipment)$ ]]; then
   CMD="${0##*/}"
   cat << EOF
 Usage: $CMD [requires|equipment] url branch

commands/clone

@@ -3,7 +3,7 @@
 # shellcheck source=.settings
 . "${BASH_SOURCE%/*}/.settings"
 
-if [ "$#" -ne 2 ]; then
+if [ $# -ne 2 ]; then
   CMD="${0##*/}"
   cat << EOF
 Usage: $CMD url branch

commands/format

@@ -3,7 +3,7 @@
 # shellcheck source=.settings
 . "${BASH_SOURCE%/*}/.settings"
 
-if [ "$#" -ne 0 ] || [ ! -d .git ] ; then
+if [ $# -ne 0 ] || [ ! -d .git ]; then
   CMD="${0##*/}"
   cat << EOF
 Usage: $CMD

commands/init

@@ -22,7 +22,7 @@ if [ -z "$VERSION" ]; then
 fi
 VERSION="$(to-cpp "$VERSION")"
 
-if [ "$#" -ne 0 ]; then
+if [ $# -ne 0 ]; then
   CMD="${0##*/}"
   cat << EOF
 Usage: $CMD

commands/list

@@ -3,7 +3,7 @@
 # shellcheck source=.settings
 . "${BASH_SOURCE%/*}/.settings"
 
-if [ "$#" -ne 0 ] || [ ! -e .gitmodules ] ; then
+if [ $# -ne 0 ] || [ ! -e .gitmodules ]; then
   CMD="${0##*/}"
   cat << EOF
 Usage: $CMD

commands/remove

@@ -5,7 +5,7 @@
 
 SUBMODULE="${1%/}"
 
-if [ "$#" -ne 1 ] || [ ! -d "$SUBMODULE" ] ; then
+if [ $# -ne 1 ] || [ ! -d "$SUBMODULE" ]; then
   CMD="${0##*/}"
   cat << EOF
 Usage: $CMD path

commands/setup

@@ -3,7 +3,7 @@
 # shellcheck source=.settings
 . "${BASH_SOURCE%/*}/.settings"
 
-if [ "$#" -ne 0 ] || [ ! -f CMakeLists.txt ]; then
+if [ $# -ne 0 ] || [ ! -f CMakeLists.txt ]; then
   CMD="${0##*/}"
   cat << EOF
 Usage: [option=value ...] $CMD

commands/update

@@ -3,7 +3,7 @@
 # shellcheck source=.settings
 . "${BASH_SOURCE%/*}/.settings"
 
-if [ "$#" -ne 0 ] || [ ! -e .gitmodules ] ; then
+if [ $# -ne 0 ] || [ ! -e .gitmodules ]; then
   CMD="${0##*/}"
   cat << EOF
 Usage: $CMD

commands/upgrade

@@ -3,7 +3,7 @@
 # shellcheck source=.settings
 . "${BASH_SOURCE%/*}/.settings"
 
-if [ "$#" -ne 0 ] || [ ! -e .gitmodules ] ; then
+if [ $# -ne 0 ] || [ ! -e .gitmodules ]; then
   CMD="${0##*/}"
   cat << EOF
 Usage: $CMD