1eda14cbcSMatt Macy#!/bin/sh 2eda14cbcSMatt Macy 3eda14cbcSMatt Macy# 4eda14cbcSMatt Macy# CDDL HEADER START 5eda14cbcSMatt Macy# 6eda14cbcSMatt Macy# This file and its contents are supplied under the terms of the 7eda14cbcSMatt Macy# Common Development and Distribution License ("CDDL"), version 1.0. 8eda14cbcSMatt Macy# You may only use this file in accordance with the terms of version 9eda14cbcSMatt Macy# 1.0 of the CDDL. 10eda14cbcSMatt Macy# 11eda14cbcSMatt Macy# A full copy of the text of the CDDL should have accompanied this 12eda14cbcSMatt Macy# source. A copy of the CDDL is also available via the Internet at 13eda14cbcSMatt Macy# http://www.illumos.org/license/CDDL. 14eda14cbcSMatt Macy# 15eda14cbcSMatt Macy# CDDL HEADER END 16eda14cbcSMatt Macy# 17eda14cbcSMatt Macy 18eda14cbcSMatt Macy# Copyright (c) 2018 by Delphix. All rights reserved. 19eda14cbcSMatt Macy# Copyright (c) 2018 by Matthew Thode. All rights reserved. 20eda14cbcSMatt Macy 21eda14cbcSMatt Macy# 22eda14cbcSMatt Macy# Generate zfs_gitrev.h. Note that we need to do this for every 23eda14cbcSMatt Macy# invocation of `make`, including for incremental builds. Therefore we 24eda14cbcSMatt Macy# can't use a zfs_gitrev.h.in file which would be processed only when 25eda14cbcSMatt Macy# `configure` is run. 26eda14cbcSMatt Macy# 27eda14cbcSMatt Macy 28eda14cbcSMatt Macyset -e -u 29eda14cbcSMatt Macy 30eda14cbcSMatt Macydist=no 31eda14cbcSMatt Macydistdir=. 32eda14cbcSMatt Macywhile getopts D: flag 33eda14cbcSMatt Macydo 34eda14cbcSMatt Macy case $flag in 35eda14cbcSMatt Macy \?) echo "Usage: $0 [-D distdir] [file]" >&2; exit 1;; 36eda14cbcSMatt Macy D) dist=yes; distdir=${OPTARG};; 37eda14cbcSMatt Macy esac 38eda14cbcSMatt Macydone 39eda14cbcSMatt Macyshift $((OPTIND - 1)) 40eda14cbcSMatt Macy 41eda14cbcSMatt Macytop_srcdir="$(dirname "$0")/.." 42eda14cbcSMatt MacyGITREV="${1:-include/zfs_gitrev.h}" 43eda14cbcSMatt Macy 44eda14cbcSMatt Macy# GITREV should be a relative path (relative to top_builddir or distdir) 45eda14cbcSMatt Macycase "${GITREV}" in 46eda14cbcSMatt Macy /*) echo "Error: ${GITREV} should be a relative path" >&2 47eda14cbcSMatt Macy exit 1;; 48eda14cbcSMatt Macyesac 49eda14cbcSMatt Macy 50eda14cbcSMatt MacyZFS_GITREV=$({ cd "${top_srcdir}" && 51eda14cbcSMatt Macy git describe --always --long --dirty 2>/dev/null; } || :) 52eda14cbcSMatt Macy 53eda14cbcSMatt Macyif [ "x${ZFS_GITREV}" = x ] 54eda14cbcSMatt Macythen 55eda14cbcSMatt Macy # If the source directory is not a git repository, check if the file 56eda14cbcSMatt Macy # already exists (in the source) 57eda14cbcSMatt Macy if [ -f "${top_srcdir}/${GITREV}" ] 58eda14cbcSMatt Macy then 59*16038816SMartin Matuska ZFS_GITREV=$(sed -n \ 60eda14cbcSMatt Macy '1s/^#define[[:blank:]]ZFS_META_GITREV "\([^"]*\)"$/\1/p' \ 61*16038816SMartin Matuska "${top_srcdir}/${GITREV}") 62eda14cbcSMatt Macy fi 63eda14cbcSMatt Macyelif [ ${dist} = yes ] 64eda14cbcSMatt Macythen 65eda14cbcSMatt Macy # Append -dist when creating distributed sources from a git repository 66eda14cbcSMatt Macy ZFS_GITREV="${ZFS_GITREV}-dist" 67eda14cbcSMatt Macyfi 68eda14cbcSMatt MacyZFS_GITREV=${ZFS_GITREV:-unknown} 69eda14cbcSMatt Macy 70eda14cbcSMatt MacyGITREVTMP="${GITREV}~" 71eda14cbcSMatt Macyprintf '#define\tZFS_META_GITREV "%s"\n' "${ZFS_GITREV}" >"${GITREVTMP}" 72eda14cbcSMatt MacyGITREV="${distdir}/${GITREV}" 73eda14cbcSMatt Macyif cmp -s "${GITREV}" "${GITREVTMP}" 74eda14cbcSMatt Macythen 75eda14cbcSMatt Macy rm -f "${GITREVTMP}" 76eda14cbcSMatt Macyelse 77eda14cbcSMatt Macy mv -f "${GITREVTMP}" "${GITREV}" 78eda14cbcSMatt Macyfi 79