#!/bin/sh # # This scripts adds local version information from the version # control systems git, mercurial (hg) and subversion (svn). # # If something goes wrong, send a mail the kernel build mailinglist # (see MAINTAINERS) and CC Nico Schottelius # <nico-linuxsetlocalversion -at- schottelius.org>. # # usage() { echo "Usage: $0 [srctree]" >&2 exit 1 } cd "${1:-.}" || usage # Check for git and a git repo. if head=`git rev-parse --verify --short HEAD 2>/dev/null`; then # If we are at a tagged commit (like "v2.6.30-rc6"), we ignore it, # because this version is defined in the top level Makefile. if [ -z "`git describe --exact-match 2>/dev/null`" ]; then # If we are past a tagged commit (like "v2.6.30-rc5-302-g72357d5"), # we pretty print it. if atag="`git describe 2>/dev/null`"; then echo "$atag" | awk -F- '{printf("-%05d-%s", $(NF-1),$(NF))}' # If we don't have a tag at all we print -g{commitish}. else printf '%s%s' -g $head fi fi # Is this git on svn? if git config --get svn-remote.svn.url >/dev/null; then printf -- '-svn%s' "`git svn find-rev $head`" fi # Update index only on r/w media [ -w . ] && git update-index --refresh --unmerged > /dev/null # Check for uncommitted changes if git diff-index --name-only HEAD | grep -v "^scripts/package" \ | read dummy; then printf '%s' -dirty fi # All done with git exit fi # Check for mercurial and a mercurial repo. if hgid=`hg id 2>/dev/null`; then tag=`printf '%s' "$hgid" | cut -d' ' -f2` # Do we have an untagged version? if [ -z "$tag" -o "$tag" = tip ]; then id=`printf '%s' "$hgid" | sed 's/[+ ].*//'` printf '%s%s' -hg "$id" fi # Are there uncommitted changes? # These are represented by + after the changeset id. case "$hgid" in *+|*+\ *) printf '%s' -dirty ;; esac # All done with mercurial exit fi # Check for svn and a svn repo. if rev=`svn info 2>/dev/null | grep '^Last Changed Rev'`; then rev=`echo $rev | awk '{print $NF}'` printf -- '-svn%s' "$rev" # All done with svn exit fi