axzshctl: Use the enhanced test function of zsh

diff --git a/bin/axzshctl b/bin/axzshctl
index 4feade120037cebd602eb28ec925f0a8f37eee20..d47024a32c2e4a36879be2d476b64a77f2267dcb 100755 (executable)
--- a/bin/axzshctl
+++ b/bin/axzshctl
@@ -87,9 +87,9 @@ function EnableAXZSH {
 
 function DisableAXZSH {
        for f (~/.zlogin ~/.zlogout ~/.zprofile ~/.zshrc); do
-               if [ -h "$f" ]; then
+               if [[ -h "$f" ]]; then
                        rm "$f" || ax_msg 2 "Failed to remove \"$f\"!"
-               elif [ -e "$f" ]; then
+               elif [[ -e "$f" ]]; then
                        ax_error "Error: Not removing \"$f\", it is not a symbolic link!"
                else
                        ax_msg 1 "Warning: \"$f\" already does not exist. Ok."
@@ -220,17 +220,17 @@ function EnableDefaultPlugins {
 function SetTheme {
        local link_name="$AXZSH/active_theme"
 
-       if [ "$1" = "-" ]; then
+       if [[ "$1" = "-" ]]; then
                rm -f "$link_name" || return 1
                ax_msg 0 "Theme settings have been reset."
                return 0
        fi
 
-       if [ -r "$1" ]; then
+       if [[ -r "$1" ]]; then
                theme="$1"
-       elif [ -r "$AXZSH/custom_themes/$1.axzshtheme" ]; then
+       elif [[ -r "$AXZSH/custom_themes/$1.axzshtheme" ]]; then
                theme="$AXZSH/custom_themes/$1.axzshtheme"
-       elif [ -r "$AXZSH/themes/$1.axzshtheme" ]; then
+       elif [[ -r "$AXZSH/themes/$1.axzshtheme" ]]; then
                theme="$AXZSH/themes/$1.axzshtheme"
        else
                # Look for theme inside of installed plugins:
@@ -278,7 +278,7 @@ function UpgradeForeignPlugins {
 
        for dir ($AXZSH/repos/*(N)); do
                name=${dir:t:s/#/\//}
-               if [ -d "$dir/.git" ]; then
+               if [[ -d "$dir/.git" ]]; then
                        ax_msg - "Upgrading \"$name\" [git] ..."
                        (
                                cd "$dir"