mount-jmtpfs: add script

mount-jmtpfs.sh

@@ -0,0 +1,25 @@
+#!/bin/bash
+# Mount the first phone to be found in a temporary directory with a name
+# prefixed with "jmtpfs", in the /tmp directory. If -u is passed, unmount all
+# directories with this same name pattern and remove them (after confirmation).
+
+if ! command -v jmtpfs > /dev/null; then
+    echo "jmtpfs is not installed."
+    exit
+fi
+
+if [[ "$1" = "-u" ]]; then
+    for mount_dir in /tmp/jmtpfs.*; do
+        if [ -d "$mount_dir" ]; then
+            umount "$mount_dir"
+            echo "$mount_dir unmounted. It should now be empty:"
+            ls -la "$mount_dir"
+            rm -rI "$mount_dir"
+        fi
+    done
+    exit
+fi
+
+mount_dir="$(mktemp -d -p /tmp jmtpfs.XXXXXXXXXX)"
+jmtpfs "$mount_dir"
+echo "Mount directory: $mount_dir"