xref: /openbmc/linux/scripts/setlocalversion (revision a2bb90a0)
1117a93dbSRene Scharfe#!/bin/sh
233252572SNico Schottelius#
333252572SNico Schottelius# This scripts adds local version information from the version
433252572SNico Schottelius# control systems git, mercurial (hg) and subversion (svn).
533252572SNico Schottelius#
633252572SNico Schottelius# If something goes wrong, send a mail the kernel build mailinglist
733252572SNico Schottelius# (see MAINTAINERS) and CC Nico Schottelius
833252572SNico Schottelius# <nico-linuxsetlocalversion -at- schottelius.org>.
933252572SNico Schottelius#
1033252572SNico Schottelius#
11aaebf433SRyan Anderson
12117a93dbSRene Scharfeusage() {
13117a93dbSRene Scharfe	echo "Usage: $0 [srctree]" >&2
14117a93dbSRene Scharfe	exit 1
15aaebf433SRyan Anderson}
16aaebf433SRyan Anderson
17117a93dbSRene Scharfecd "${1:-.}" || usage
18aaebf433SRyan Anderson
19117a93dbSRene Scharfe# Check for git and a git repo.
20f03b283fSTrent Piephoif head=`git rev-parse --verify --short HEAD 2>/dev/null`; then
2133252572SNico Schottelius
2233252572SNico Schottelius	# If we are at a tagged commit (like "v2.6.30-rc6"), we ignore it,
2333252572SNico Schottelius	# because this version is defined in the top level Makefile.
2433252572SNico Schottelius	if [ -z "`git describe --exact-match 2>/dev/null`" ]; then
2533252572SNico Schottelius
2633252572SNico Schottelius		# If we are past a tagged commit (like "v2.6.30-rc5-302-g72357d5"),
2733252572SNico Schottelius		# we pretty print it.
2833252572SNico Schottelius		if atag="`git describe 2>/dev/null`"; then
29a182ad3dSNico Schottelius			echo "$atag" | awk -F- '{printf("-%05d-%s", $(NF-1),$(NF))}'
3033252572SNico Schottelius
3133252572SNico Schottelius		# If we don't have a tag at all we print -g{commitish}.
32f03b283fSTrent Piepho		else
33f03b283fSTrent Piepho			printf '%s%s' -g $head
3456b2f070SSebastian Siewior		fi
3533252572SNico Schottelius	fi
36aaebf433SRyan Anderson
37ff80aa97SPeter Korsgaard	# Is this git on svn?
38ff80aa97SPeter Korsgaard	if git config --get svn-remote.svn.url >/dev/null; then
394774bb1cSPeter Korsgaard	        printf -- '-svn%s' "`git svn find-rev $head`"
40ff80aa97SPeter Korsgaard	fi
41ff80aa97SPeter Korsgaard
42a2bb90a0SNico Schottelius	# Update index only on r/w media
43a2bb90a0SNico Schottelius	[ -w . ] && git update-index --refresh --unmerged > /dev/null
44a2bb90a0SNico Schottelius
45a2bb90a0SNico Schottelius	# Check for uncommitted changes
46b052ce4cSTheodore Ts'o	if git diff-index --name-only HEAD | grep -v "^scripts/package" \
47b052ce4cSTheodore Ts'o	    | read dummy; then
4824d49756SRyan Anderson		printf '%s' -dirty
49117a93dbSRene Scharfe	fi
503dce174cSAron Griffis
513dce174cSAron Griffis	# All done with git
523dce174cSAron Griffis	exit
533dce174cSAron Griffisfi
543dce174cSAron Griffis
553dce174cSAron Griffis# Check for mercurial and a mercurial repo.
563dce174cSAron Griffisif hgid=`hg id 2>/dev/null`; then
573dce174cSAron Griffis	tag=`printf '%s' "$hgid" | cut -d' ' -f2`
583dce174cSAron Griffis
593dce174cSAron Griffis	# Do we have an untagged version?
603dce174cSAron Griffis	if [ -z "$tag" -o "$tag" = tip ]; then
613dce174cSAron Griffis		id=`printf '%s' "$hgid" | sed 's/[+ ].*//'`
623dce174cSAron Griffis		printf '%s%s' -hg "$id"
633dce174cSAron Griffis	fi
643dce174cSAron Griffis
653dce174cSAron Griffis	# Are there uncommitted changes?
663dce174cSAron Griffis	# These are represented by + after the changeset id.
673dce174cSAron Griffis	case "$hgid" in
683dce174cSAron Griffis		*+|*+\ *) printf '%s' -dirty ;;
693dce174cSAron Griffis	esac
703dce174cSAron Griffis
713dce174cSAron Griffis	# All done with mercurial
723dce174cSAron Griffis	exit
73117a93dbSRene Scharfefi
74ba3d05fbSBryan Wu
75ba3d05fbSBryan Wu# Check for svn and a svn repo.
76167d6a02SPeter Korsgaardif rev=`svn info 2>/dev/null | grep '^Last Changed Rev'`; then
77ba3d05fbSBryan Wu	rev=`echo $rev | awk '{print $NF}'`
78ba3d05fbSBryan Wu	printf -- '-svn%s' "$rev"
79ba3d05fbSBryan Wu
80ba3d05fbSBryan Wu	# All done with svn
81ba3d05fbSBryan Wu	exit
82ba3d05fbSBryan Wufi
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