45 lines
1.3 KiB
Bash
Executable file
45 lines
1.3 KiB
Bash
Executable file
#!/bin/sh
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#
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# CDDL HEADER START
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#
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# This file and its contents are supplied under the terms of the
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# Common Development and Distribution License ("CDDL"), version 1.0.
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# You may only use this file in accordance with the terms of version
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# 1.0 of the CDDL.
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#
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# A full copy of the text of the CDDL should have accompanied this
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# source. A copy of the CDDL is also available via the Internet at
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# http://www.illumos.org/license/CDDL.
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#
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# CDDL HEADER END
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#
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# Copyright (c) 2018 by Delphix. All rights reserved.
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# Copyright (c) 2018 by Matthew Thode. All rights reserved.
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#
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# Generate zfs_gitrev.h. Note that we need to do this for every
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# invocation of `make`, including for incremental builds. Therefore we
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# can't use a zfs_gitrev.h.in file which would be processed only when
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# `configure` is run.
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#
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set -e -u
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cleanup() {
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ZFS_GIT_REV=${ZFS_GIT_REV:-"unknown"}
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cat << EOF > "$(dirname "$0")"/../include/zfs_gitrev.h
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#define ZFS_META_GITREV "${ZFS_GIT_REV}"
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EOF
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}
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trap cleanup EXIT
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# Check if git is installed and we are in a git repo.
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git rev-parse --git-dir > /dev/null 2>&1
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# Get the git current git revision
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ZFS_GIT_REV=$(git describe --always --long --dirty 2>/dev/null)
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# Check if header file already contain the exact string
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grep -sq "\"${ZFS_GIT_REV}\"" "$(dirname "$0")"/../include/zfs_gitrev.h &&
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trap - EXIT
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exit 0
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