add fallback behavior to editor

pkgs/agenix.sh

@@ -152,11 +152,21 @@ function edit {
     CLEARTEXT_DIR=$(@mktempBin@ -d)
     CLEARTEXT_FILE="$CLEARTEXT_DIR/$(basename "$FILE")"
     DEFAULT_DECRYPT+=(-o "$CLEARTEXT_FILE")
+    COMMON_EDITORS=("${EDITOR}" "vim" "vi" "nvim" "nano")
 
     decrypt "$FILE" "$KEYS" || exit 1
 
     [ ! -f "$CLEARTEXT_FILE" ] || cp "$CLEARTEXT_FILE" "$CLEARTEXT_FILE.before"
 
+    # Loop through common editors and check if they exist
+    # Even if their editor is incorrectly set we want to try to still work
+    for e in "${COMMON_EDITORS[@]}"; do
+      if command -v "$e" &> /dev/null; then
+        EDITOR="$e"
+        break
+      fi
+    done
+
     [ -t 0 ] || EDITOR='cp /dev/stdin'
 
     $EDITOR "$CLEARTEXT_FILE"