1#!/bin/sh 2# 3# This scripts adds local version information from the version 4# control systems git, mercurial (hg) and subversion (svn). 5# 6# If something goes wrong, send a mail the kernel build mailinglist 7# (see MAINTAINERS) and CC Nico Schottelius 8# <nico-linuxsetlocalversion -at- schottelius.org>. 9# 10# 11 12usage() { 13 echo "Usage: $0 [--save-scmversion] [srctree]" >&2 14 exit 1 15} 16 17scm_only=false 18srctree=. 19if test "$1" = "--save-scmversion"; then 20 scm_only=true 21 shift 22fi 23if test $# -gt 0; then 24 srctree=$1 25 shift 26fi 27if test $# -gt 0 -o ! -d "$srctree"; then 28 usage 29fi 30 31scm_version() 32{ 33 local short 34 short=false 35 36 cd "$srctree" 37 if test -e .scmversion; then 38 cat .scmversion 39 return 40 fi 41 if test "$1" = "--short"; then 42 short=true 43 fi 44 45 # Check for git and a git repo. 46 if test -z "$(git rev-parse --show-cdup 2>/dev/null)" && 47 head=`git rev-parse --verify --short HEAD 2>/dev/null`; then 48 49 # If we are at a tagged commit (like "v2.6.30-rc6"), we ignore 50 # it, because this version is defined in the top level Makefile. 51 if [ -z "`git describe --exact-match 2>/dev/null`" ]; then 52 53 # If only the short version is requested, don't bother 54 # running further git commands 55 if $short; then 56 echo "+" 57 return 58 fi 59 # If we are past a tagged commit (like 60 # "v2.6.30-rc5-302-g72357d5"), we pretty print it. 61 if atag="`git describe 2>/dev/null`"; then 62 echo "$atag" | awk -F- '{printf("-%s", $(NF))}' 63 64 # If we don't have a tag at all we print -g{commitish}. 65 else 66 printf '%s%s' -g $head 67 fi 68 fi 69 70 # Is this git on svn? 71 if git config --get svn-remote.svn.url >/dev/null; then 72 printf -- '-svn%s' "`git svn find-rev $head`" 73 fi 74 75 # Check submit date of the last rockchip commit 76 date=`git log -1 --author='@rock-chips' --date=format:%y%m%d | sed -n '/Date:/p' | awk '{ print "-"$2 }'` 77 printf '%s' $date 78 79 # Check for uncommitted changes 80 if git diff-index --name-only HEAD | grep -qv "^scripts/package"; then 81 printf '%s' -dirty 82 fi 83 84 # Print build user 85 printf ' \#%s' $USER 86 87 # All done with git 88 return 89 fi 90 91 # Check for mercurial and a mercurial repo. 92 if test -d .hg && hgid=`hg id 2>/dev/null`; then 93 # Do we have an tagged version? If so, latesttagdistance == 1 94 if [ "`hg log -r . --template '{latesttagdistance}'`" == "1" ]; then 95 id=`hg log -r . --template '{latesttag}'` 96 printf '%s%s' -hg "$id" 97 else 98 tag=`printf '%s' "$hgid" | cut -d' ' -f2` 99 if [ -z "$tag" -o "$tag" = tip ]; then 100 id=`printf '%s' "$hgid" | sed 's/[+ ].*//'` 101 printf '%s%s' -hg "$id" 102 fi 103 fi 104 105 # Are there uncommitted changes? 106 # These are represented by + after the changeset id. 107 case "$hgid" in 108 *+|*+\ *) printf '%s' -dirty ;; 109 esac 110 111 # All done with mercurial 112 return 113 fi 114 115 # Check for svn and a svn repo. 116 if rev=`LANG= LC_ALL= LC_MESSAGES=C svn info 2>/dev/null | grep '^Last Changed Rev'`; then 117 rev=`echo $rev | awk '{print $NF}'` 118 printf -- '-svn%s' "$rev" 119 120 # All done with svn 121 return 122 fi 123} 124 125collect_files() 126{ 127 local file res 128 129 for file; do 130 case "$file" in 131 *\~*) 132 continue 133 ;; 134 esac 135 if test -e "$file"; then 136 res="$res$(cat "$file")" 137 fi 138 done 139 echo "$res" 140} 141 142if $scm_only; then 143 if test ! -e .scmversion; then 144 res=$(scm_version) 145 echo "$res" >.scmversion 146 fi 147 exit 148fi 149 150if test -e include/config/auto.conf; then 151 # We are interested only in CONFIG_LOCALVERSION and 152 # CONFIG_LOCALVERSION_AUTO, so extract these in a safe 153 # way (i.e. w/o sourcing auto.conf) 154 CONFIG_LOCALVERSION=`cat include/config/auto.conf | awk -F '=' '/^CONFIG_LOCALVERSION=/ {print $2}'` 155 CONFIG_LOCALVERSION_AUTO=`cat include/config/auto.conf | awk -F '=' '/^CONFIG_LOCALVERSION_AUTO=/ {print $2}'` 156else 157 echo "Error: kernelrelease not valid - run 'make prepare' to update it" 158 exit 1 159fi 160 161# localversion* files in the build and source directory 162res="$(collect_files localversion*)" 163if test ! "$srctree" -ef .; then 164 res="$res$(collect_files "$srctree"/localversion*)" 165fi 166 167# CONFIG_LOCALVERSION and LOCALVERSION (if set) 168res="${res}${CONFIG_LOCALVERSION}${LOCALVERSION}" 169 170# scm version string if not at a tagged commit 171if test "$CONFIG_LOCALVERSION_AUTO" = "y"; then 172 # full scm version string 173 res="$res$(scm_version)" 174else 175 # append a plus sign if the repository is not in a clean 176 # annotated or signed tagged state (as git describe only 177 # looks at signed or annotated tags - git tag -a/-s) and 178 # LOCALVERSION= is not specified 179 if test "${LOCALVERSION+set}" != "set"; then 180 scm=$(scm_version --short) 181 res="$res${scm:++}" 182 fi 183fi 184 185echo "$res" 186