Test-Case: cd /path/to/linux.git make clean make distclean sha1sum include/linux/atomic/atomic-* > ../SHA1SUM.before make V=1 mrproper defconfig prepare 2>&1 | tee ../test-masahiro-sha1sum-v2.log sha1sum include/linux/atomic/atomic-* > ../SHA1SUM.after ll .checked-atomic-* ..checked-atomic-* -rw-r--r-- 1 dileks dileks 0 20. Jan 17:22 .checked-atomic-arch-fallback.h -rw-r--r-- 1 dileks dileks 460 20. Jan 17:22 ..checked-atomic-arch-fallback.h.cmd -rw-r--r-- 1 dileks dileks 0 20. Jan 17:22 .checked-atomic-instrumented.h -rw-r--r-- 1 dileks dileks 455 20. Jan 17:22 ..checked-atomic-instrumented.h.cmd -rw-r--r-- 1 dileks dileks 0 20. Jan 17:22 .checked-atomic-long.h -rw-r--r-- 1 dileks dileks 415 20. Jan 17:22 ..checked-atomic-long.h.cmd grep warning: ../test-masahiro-sha1sum-v2.log 2096: if ! command -v sha1sum >/dev/null; then echo "warning: cannot check the header due to sha1sum missing"; exit 0; fi; if [ "$(sed -n '$s:// ::p' include/linux/atomic/atomic-arch-fallback.h)" != "$(sed '$d' include/linux/atomic/atomic-arch-fallback.h | sha1sum | sed 's/ .*//')" ]; then echo "error: include/linux/atomic/atomic-arch-fallback.h has been modified." >&2; exit 1; fi; touch .checked-atomic-arch-fallback.h 2097: if ! command -v sha1sum >/dev/null; then echo "warning: cannot check the header due to sha1sum missing"; exit 0; fi; if [ "$(sed -n '$s:// ::p' include/linux/atomic/atomic-instrumented.h)" != "$(sed '$d' include/linux/atomic/atomic-instrumented.h | sha1sum | sed 's/ .*//')" ]; then echo "error: include/linux/atomic/atomic-instrumented.h has been modified." >&2; exit 1; fi; touch .checked-atomic-instrumented.h 2098: if ! command -v sha1sum >/dev/null; then echo "warning: cannot check the header due to sha1sum missing"; exit 0; fi; if [ "$(sed -n '$s:// ::p' include/linux/atomic/atomic-long.h)" != "$(sed '$d' include/linux/atomic/atomic-long.h | sha1sum | sed 's/ .*//')" ]; then echo "error: include/linux/atomic/atomic-long.h has been modified." >&2; exit 1; fi; touch .checked-atomic-long.h cd .. git diff SHA1SUM.before SHA1SUM.after [ empty ] OK, so no atomic header files were changed - looks to me like a "I have checked them... found no diff... leave some checked files to confirm this". -Sedat-
