fix installer

INSTALL.sh

@@ -1,23 +1,33 @@
-#!/bin/bash
+k#!/bin/bash
+
+set -e
 
 URL="https://git.de-roo.org/ben/wiki-terminal/raw/branch/main/src/main.sh"
-BESTAND="wiki"
+INSTALL_PATH="/usr/local/bin/wiki"
 
 echo "Wiki-terminal downloaden..."
 
-curl -fsSL "$URL" -o "$BESTAND" || {
+TMPFILE=$(mktemp)
+
+curl -fsSL "$URL" -o "$TMPFILE" || {
     echo "Download mislukt."
+    rm -f "$TMPFILE"
     exit 1
 }
 
-echo "Installeren naar /bin..."
+echo "Installeren naar $INSTALL_PATH..."
 
-sudo mv "$BESTAND" /usr/local/bin/wiki
+sudo mv "$TMPFILE" "$INSTALL_PATH" || {
     echo "Installatie mislukt."
+    rm -f "$TMPFILE"
     exit 1
 }
 
-sudo chmod +x "/bin/$BESTAND"
+sudo chmod +x "$INSTALL_PATH" || {
+    echo "Kon bestand niet uitvoerbaar maken."
+    exit 1
+}
 
-echo "Klaar!"
+echo
+echo "Installatie voltooid!"
 echo "Start met: wiki"