[Libguestfs] [PATCH v3 2/2] v2v: ilnux: detect name of grub2-mkconfig

On Debian family of OSes Grub2 tools are prefixed with 'grub-', not with 'grub2-'. We have to detect the correct name of the tool to use it. Signed-off-by: Tomáš Golembiovský <tgolembi(a)redhat.com&gt; --- v2v/linux_bootloaders.ml | 17 +++++++++++++++-- 1 file changed, 15 insertions(+), 2 deletions(-) diff --git a/v2v/linux_bootloaders.ml b/v2v/linux_bootloaders.ml index a5e4c8d..4f53f87 100644 --- a/v2v/linux_bootloaders.ml +++ b/v2v/linux_bootloaders.ml @@ -186,6 +186,19 @@ end (* Grub2 representation. *) class bootloader_grub2 (g : G.guestfs) grub_config = + + let grub2_mkconfig_cmd = + let elems = [ + "/sbin/grub2-mkconfig"; + "/usr/sbin/grub2-mkconfig"; + "/sbin/grub-mkconfig"; + "/usr/sbin/grub-mkconfig" + ] in + try List.find (g#is_file ~followsymlinks:true) elems + with Not_found -> + error (f_"failed to find grub2-mkconfig binary (but Grub2 was detected on guest)") + in + object (self) inherit bootloader @@ -218,7 +231,7 @@ object (self) g#aug_save (); try - ignore (g#command [| "grub2-mkconfig"; "-o"; grub_config |]) + ignore (g#command [| grub2_mkconfig_cmd; "-o"; grub_config |]) with G.Error msg -> warning (f_"could not rebuild grub2 configuration file (%s). This may mean that grub output will not be sent to the serial port, but otherwise should be harmless. Original error message: %s") @@ -290,7 +303,7 @@ object (self) method remove_console = self#grub2_update_console ~remove:true method update () = - ignore (g#command [| "grub2-mkconfig"; "-o"; grub_config |]) + ignore (g#command [| grub2_mkconfig_cmd; "-o"; grub_config |]) end let detect_bootloader (g : G.guestfs) inspect = -- 2.9.3