I just found this in one of my branches and I remembered I wanted to send this right after a discussion with Eric, but I forgot, somehow: https://www.redhat.com/archives/libvir-list/2014-March/msg01001.html Signed-off-by: Martin Kletzander <mkletzan(a)redhat.com&gt; --- cfg.mk | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/cfg.mk b/cfg.mk index 3f4bba0..b2d12f9 100644 --- a/cfg.mk +++ b/cfg.mk @@ -929,6 +929,13 @@ sc_prohibit_mixed_case_abbreviations: halt='Use PCI, USB, SCSI, not Pci, Usb, Scsi' \ $(_sc_search_regexp) +sc_prohibit_empty_first_line: + @awk 'BEGIN { fail=0; } \ + FNR == 1 { if ($$0 == "") { print FILENAME:1:; fail=1; } } \ + END { if (fail == 1) { \ + print "$(ME): Prohibited empty first line" > "/dev/stderr"; \ + } exit fail; }' $$($(VC_LIST_EXCEPT) | grep '\.[ch]$$'); + # We don't use this feature of maint.mk. prev_version_file = /dev/null -- 1.9.2