linux-master/scripts/check-uapi.sh

3 # Script to check commits for UAPI backwards compatibility
11 $name - check for UAPI header stability across Git commits
17 The script will not check UAPI headers for architectures other than the one
24                    will use any dirty changes in tree to UAPI files. If there are no
31     -i             Ignore ambiguous changes that may or may not break UAPI compatibility.
38     ARCH     Target architecture for the UAPI check (default is host arch)
208 		printf "Installing user-facing UAPI headers from %s... " "${ref:-dirty tree}"
233 # Check file list for UAPI compatibility
244 	printf "Checking changes to UAPI headers between %s and %s...\n" "$past_ref" "${base_ref:-dirty tree}"
245 	# Loop over all UAPI headers that were installed by $past_ref (if they only exist on $base_ref,
283 		eprintf "error - %d/%d UAPI headers compatible with %s appear _not_ to be backwards compatible\n" \
289 		printf "All %d UAPI headers compatible with %s appear to be backwards compatible\n" \
296 # Check an individual file for UAPI compatibility
307 		printf "==== UAPI header %s was removed between %s and %s ====" \
330 			warn_str=$(printf "==== Could not compile version of UAPI header %s at %s ====\n" \
341 			warn_str=$(printf "==== Could not compile version of UAPI header %s at %s ====\n" \
517 		printf "No changes to UAPI headers were applied between %s and %s\n" "$past_ref" "${base_ref:-dirty tree}"