mkarchiso: also add iso name in grub environment block

README.rst

@@ -121,14 +121,14 @@ Optionally install archiso's mkinitcpio hooks:
 Optional Features
 =================
 
-The iso image contains a grub environment block holding the iso version. This allows to boot the iso image from grub
-with a version specific cow directory to mitigate overlay clashes.
+The iso image contains a grub environment block holding the iso name and version. This allows to
+boot the iso image from grub with a version specific cow directory to mitigate overlay clashes.
 
   .. code:: grub
       loopback loop archlinux.iso
       load_env -f (loop)/arch/grubenv
       linux (loop)/arch/boot/x86_64/vmlinuz-linux ... \
-          cow_directory=archlinux/${VERSION} ...
+          cow_directory=${NAME}/${VERSION} ...
       initrd (loop)/arch/boot/x86_64/initramfs-linux-lts.img
 
 Contribute

archiso/mkarchiso

@@ -937,8 +937,9 @@ _make_version() {
     _msg_info "Creating files with iso version..."
     printf '%s\n' "${iso_version}" > "${airootfs_dir}/version"
     printf '%s\n' "${iso_version}" > "${isofs_dir}/${install_dir}/version"
-    printf '%.1024s' "$(printf '# GRUB Environment Block\nVERSION=%s\n%s' "${iso_version}" \
-        "$(printf '%0.1s' "#"{1..1024})")" > "${isofs_dir}/${install_dir}/grubenv"
+    printf '%.1024s' "$(printf '# GRUB Environment Block\nNAME=%s\nVERSION=%s\n%s' \
+        "${iso_name}" "${iso_version}" "$(printf '%0.1s' "#"{1..1024})")" \
+        > "${isofs_dir}/${install_dir}/grubenv"
     _msg_info "Done!"
 }