1eda14cbcSMatt Macy#!/bin/sh 2*61145dc2SMartin Matuska# SPDX-License-Identifier: CDDL-1.0 3eda14cbcSMatt Macy 4eda14cbcSMatt Macy# 5eda14cbcSMatt Macy# CDDL HEADER START 6eda14cbcSMatt Macy# 7eda14cbcSMatt Macy# This file and its contents are supplied under the terms of the 8eda14cbcSMatt Macy# Common Development and Distribution License ("CDDL"), version 1.0. 9eda14cbcSMatt Macy# You may only use this file in accordance with the terms of version 10eda14cbcSMatt Macy# 1.0 of the CDDL. 11eda14cbcSMatt Macy# 12eda14cbcSMatt Macy# A full copy of the text of the CDDL should have accompanied this 13eda14cbcSMatt Macy# source. A copy of the CDDL is also available via the Internet at 14eda14cbcSMatt Macy# http://www.illumos.org/license/CDDL. 15eda14cbcSMatt Macy# 16eda14cbcSMatt Macy# CDDL HEADER END 17eda14cbcSMatt Macy# 18eda14cbcSMatt Macy 19eda14cbcSMatt Macy# Copyright (c) 2018 by Delphix. All rights reserved. 20eda14cbcSMatt Macy# Copyright (c) 2018 by Matthew Thode. All rights reserved. 21eda14cbcSMatt Macy 22eda14cbcSMatt Macy# 23eda14cbcSMatt Macy# Generate zfs_gitrev.h. Note that we need to do this for every 24eda14cbcSMatt Macy# invocation of `make`, including for incremental builds. Therefore we 25eda14cbcSMatt Macy# can't use a zfs_gitrev.h.in file which would be processed only when 26eda14cbcSMatt Macy# `configure` is run. 27eda14cbcSMatt Macy# 28eda14cbcSMatt Macy 29e92ffd9bSMartin Matuskaset -eu 30eda14cbcSMatt Macy 31eda14cbcSMatt Macydist=no 32eda14cbcSMatt Macydistdir=. 33eda14cbcSMatt Macywhile getopts D: flag 34eda14cbcSMatt Macydo 35eda14cbcSMatt Macy case $flag in 36eda14cbcSMatt Macy \?) echo "Usage: $0 [-D distdir] [file]" >&2; exit 1;; 37eda14cbcSMatt Macy D) dist=yes; distdir=${OPTARG};; 38e92ffd9bSMartin Matuska *) ;; 39eda14cbcSMatt Macy esac 40eda14cbcSMatt Macydone 41eda14cbcSMatt Macyshift $((OPTIND - 1)) 42eda14cbcSMatt Macy 43eda14cbcSMatt Macytop_srcdir="$(dirname "$0")/.." 44eda14cbcSMatt MacyGITREV="${1:-include/zfs_gitrev.h}" 45eda14cbcSMatt Macy 46eda14cbcSMatt Macy# GITREV should be a relative path (relative to top_builddir or distdir) 47eda14cbcSMatt Macycase "${GITREV}" in 48eda14cbcSMatt Macy /*) echo "Error: ${GITREV} should be a relative path" >&2 49eda14cbcSMatt Macy exit 1;; 50e92ffd9bSMartin Matuska *) ;; 51eda14cbcSMatt Macyesac 52eda14cbcSMatt Macy 53eda14cbcSMatt MacyZFS_GITREV=$({ cd "${top_srcdir}" && 54eda14cbcSMatt Macy git describe --always --long --dirty 2>/dev/null; } || :) 55eda14cbcSMatt Macy 563ff01b23SMartin Matuskaif [ -z "${ZFS_GITREV}" ] 57eda14cbcSMatt Macythen 58eda14cbcSMatt Macy # If the source directory is not a git repository, check if the file 59eda14cbcSMatt Macy # already exists (in the source) 60eda14cbcSMatt Macy if [ -f "${top_srcdir}/${GITREV}" ] 61eda14cbcSMatt Macy then 6216038816SMartin Matuska ZFS_GITREV=$(sed -n \ 63eda14cbcSMatt Macy '1s/^#define[[:blank:]]ZFS_META_GITREV "\([^"]*\)"$/\1/p' \ 6416038816SMartin Matuska "${top_srcdir}/${GITREV}") 65eda14cbcSMatt Macy fi 66e92ffd9bSMartin Matuskaelif [ "${dist}" = yes ] 67eda14cbcSMatt Macythen 68eda14cbcSMatt Macy # Append -dist when creating distributed sources from a git repository 69eda14cbcSMatt Macy ZFS_GITREV="${ZFS_GITREV}-dist" 70eda14cbcSMatt Macyfi 71eda14cbcSMatt MacyZFS_GITREV=${ZFS_GITREV:-unknown} 72eda14cbcSMatt Macy 73eda14cbcSMatt MacyGITREVTMP="${GITREV}~" 74eda14cbcSMatt Macyprintf '#define\tZFS_META_GITREV "%s"\n' "${ZFS_GITREV}" >"${GITREVTMP}" 75eda14cbcSMatt MacyGITREV="${distdir}/${GITREV}" 76eda14cbcSMatt Macyif cmp -s "${GITREV}" "${GITREVTMP}" 77eda14cbcSMatt Macythen 78eda14cbcSMatt Macy rm -f "${GITREVTMP}" 79eda14cbcSMatt Macyelse 80eda14cbcSMatt Macy mv -f "${GITREVTMP}" "${GITREV}" 81eda14cbcSMatt Macyfi 82