scripts/make_gitrev.sh

   1 #!/bin/sh
   2
   3 #
   4 # CDDL HEADER START
   5 #
   6 # This file and its contents are supplied under the terms of the
   7 # Common Development and Distribution License ("CDDL"), version 1.0.
   8 # You may only use this file in accordance with the terms of version
   9 # 1.0 of the CDDL.
  10 #
  11 # A full copy of the text of the CDDL should have accompanied this
  12 # source.  A copy of the CDDL is also available via the Internet at
  13 # http://www.illumos.org/license/CDDL.
  14 #
  15 # CDDL HEADER END
  16 #
  17
  18 # Copyright (c) 2018 by Delphix. All rights reserved.
  19 # Copyright (c) 2018 by Matthew Thode. All rights reserved.
  20
  21 #
  22 # Generate zfs_gitrev.h.  Note that we need to do this for every
  23 # invocation of `make`, including for incremental builds.  Therefore we
  24 # can't use a zfs_gitrev.h.in file which would be processed only when
  25 # `configure` is run.
  26 #
  27
  28 set -e -u
  29
  30 cleanup() {
  31     ZFS_GIT_REV=${ZFS_GIT_REV:-"unknown"}
  32     cat << EOF > "$(dirname "$0")"/../include/zfs_gitrev.h
  33 #define ZFS_META_GITREV "${ZFS_GIT_REV}"
  34 EOF
  35 }
  36 trap cleanup EXIT
  37
  38 # Check if git is installed and we are in a git repo.
  39 git rev-parse --git-dir > /dev/null 2>&1
  40 # Get the git current git revision
  41 ZFS_GIT_REV=$(git describe --always --long --dirty 2>/dev/null)