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 date=`git log -1 --author='@rock-chips' --date=format:%y%m%d | sed -n '/Date:/p' | awk '{ print "-"$2 }'` 64 printf '%s' $date 65 66 # If we don't have a tag at all we print -g{commitish}. 67 else 68 printf '%s%s' -g $head 69 fi 70 fi 71 72 # Is this git on svn? 73 if git config --get svn-remote.svn.url >/dev/null; then 74 printf -- '-svn%s' "`git svn find-rev $head`" 75 fi 76 77 # Check for uncommitted changes 78 if git diff-index --name-only HEAD | grep -qv "^scripts/package"; then 79 printf '%s' -dirty 80 fi 81 82 printf ' \#%s' $USER 83 84 # All done with git 85 return 86 fi 87 88 # Check for mercurial and a mercurial repo. 89 if test -d .hg && hgid=`hg id 2>/dev/null`; then 90 # Do we have an tagged version? If so, latesttagdistance == 1 91 if [ "`hg log -r . --template '{latesttagdistance}'`" == "1" ]; then 92 id=`hg log -r . --template '{latesttag}'` 93 printf '%s%s' -hg "$id" 94 else 95 tag=`printf '%s' "$hgid" | cut -d' ' -f2` 96 if [ -z "$tag" -o "$tag" = tip ]; then 97 id=`printf '%s' "$hgid" | sed 's/[+ ].*//'` 98 printf '%s%s' -hg "$id" 99 fi 100 fi 101 102 # Are there uncommitted changes? 103 # These are represented by + after the changeset id. 104 case "$hgid" in 105 *+|*+\ *) printf '%s' -dirty ;; 106 esac 107 108 # All done with mercurial 109 return 110 fi 111 112 # Check for svn and a svn repo. 113 if rev=`LANG= LC_ALL= LC_MESSAGES=C svn info 2>/dev/null | grep '^Last Changed Rev'`; then 114 rev=`echo $rev | awk '{print $NF}'` 115 printf -- '-svn%s' "$rev" 116 117 # All done with svn 118 return 119 fi 120} 121 122collect_files() 123{ 124 local file res 125 126 for file; do 127 case "$file" in 128 *\~*) 129 continue 130 ;; 131 esac 132 if test -e "$file"; then 133 res="$res$(cat "$file")" 134 fi 135 done 136 echo "$res" 137} 138 139if $scm_only; then 140 if test ! -e .scmversion; then 141 res=$(scm_version) 142 echo "$res" >.scmversion 143 fi 144 exit 145fi 146 147if test -e include/config/auto.conf; then 148 # We are interested only in CONFIG_LOCALVERSION and 149 # CONFIG_LOCALVERSION_AUTO, so extract these in a safe 150 # way (i.e. w/o sourcing auto.conf) 151 CONFIG_LOCALVERSION=`cat include/config/auto.conf | awk -F '=' '/^CONFIG_LOCALVERSION=/ {print $2}'` 152 CONFIG_LOCALVERSION_AUTO=`cat include/config/auto.conf | awk -F '=' '/^CONFIG_LOCALVERSION_AUTO=/ {print $2}'` 153else 154 echo "Error: kernelrelease not valid - run 'make prepare' to update it" 155 exit 1 156fi 157 158# localversion* files in the build and source directory 159res="$(collect_files localversion*)" 160if test ! "$srctree" -ef .; then 161 res="$res$(collect_files "$srctree"/localversion*)" 162fi 163 164# CONFIG_LOCALVERSION and LOCALVERSION (if set) 165res="${res}${CONFIG_LOCALVERSION}${LOCALVERSION}" 166 167# scm version string if not at a tagged commit 168if test "$CONFIG_LOCALVERSION_AUTO" = "y"; then 169 # full scm version string 170 res="$res$(scm_version)" 171else 172 # append a plus sign if the repository is not in a clean 173 # annotated or signed tagged state (as git describe only 174 # looks at signed or annotated tags - git tag -a/-s) and 175 # LOCALVERSION= is not specified 176 if test "${LOCALVERSION+set}" != "set"; then 177 scm=$(scm_version --short) 178 res="$res${scm:++}" 179 fi 180fi 181 182echo "$res" 183