Cbump is a POSIX C implementation of Open_Bump/Bump! with improvements. The original Bump! is web based implementation and the Open_Bump is Python, both can't run on Android.
So, you can bump any kernel or recovery directly on your device.
The full cmdline interface:
shell@g2:/ $ cbump
usage: cbump [-f|--flash] [-a|--avexado] [stdin] [stdin]
[stdin] : Bump file if not bumped, output is writed with 'c' prefix.
[-f|--flash] : Check if file is bumped and flash.
[-a|--avexado] : Check if file is bumped, bump file if not and flash.
Cbump indentify partition by file name, (e.g, If you use -f with a recovery.img file, cbump flash as recovery)
The flash function uses MSM identifier to detect partition block, Tested only on LG G2, Probably works too with LG G3 and others LG devices powered by Qualcomm.
References: