linux-yocto/scripts/setlocalversion
Michal Marek 8558f59edf setlocalversion: Ignote SCMs above the linux source tree
Dan McGee <dpmcgee@gmail.com> writes:
> Note that when in git, you get the appended "+" sign. If
> LOCALVERSION_AUTO is set, you will get something like
> "eee-gb01b08c-dirty" (whereas the copy of the tree in /tmp still
> returns "eee"). It doesn't matter whether the working tree is dirty or
> clean.
>
> Is there a way to disable this? I'm building from a clean tarball that
> just happens to be unpacked inside a git repository. One would think
> setting LOCALVERSION_AUTO to false would do it, but no such luck...

Fix this by checking if the kernel source tree is the root of the git or
hg repository. No fix for svn: If the kernel source is not tracked in
the svn repository, it works as expected, otherwise determining the
'repository root' is not really a defined task.

Reported-and-tested-by: Dan McGee <dpmcgee@gmail.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2010-08-21 15:14:59 +02:00

3.7 KiB
Executable File

#!/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 [--save-scmversion] [srctree]" >&2 exit 1 }

scm_only=false srctree=. if test "$1" = "--save-scmversion"; then scm_only=true shift fi if test $# -gt 0; then srctree=$1 shift fi if test $# -gt 0 -o ! -d "$srctree"; then usage fi

scm_version() { local short short=false

cd "$srctree"
if test -e .scmversion; then
	cat .scmversion
	return
fi
if test "$1" = "--short"; then
	short=true
fi

# Check for git and a git repo.
if test -d .git && 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 only the short version is requested, don't bother
		# running further git commands
		if $short; then
			echo "+"
			return
		fi
		# If we are past a tagged commit (like
		# "v2.6.30-rc5-302-g72357d5"), we pretty print it.
		if atag="`git describe 2>/dev/null`"; then
			echo "$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
	return
fi

# Check for mercurial and a mercurial repo.
if test -d .hg && hgid=`hg id 2>/dev/null`; then
	tag=`printf '%s' "$hgid" | cut -s -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
	return
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
	return
fi

}

collect_files() { local file res

for file; do
	case "$file" in
	*\~*)
		continue
		;;
	esac
	if test -e "$file"; then
		res="$res$(cat "$file")"
	fi
done
echo "$res"

}

if $scm_only; then if test ! -e .scmversion; then res=$(scm_version) echo "$res" >.scmversion fi exit fi

if test -e include/config/auto.conf; then . include/config/auto.conf else echo "Error: kernelrelease not valid - run 'make prepare' to update it" exit 1 fi

localversion* files in the build and source directory

res="$(collect_files localversion*)" if test ! "$srctree" -ef .; then res="$res$(collect_files "$srctree"/localversion*)" fi

CONFIG_LOCALVERSION and LOCALVERSION (if set)

res="${res}${CONFIG_LOCALVERSION}${LOCALVERSION}"

scm version string if not at a tagged commit

if test "$CONFIG_LOCALVERSION_AUTO" = "y"; then # full scm version string res="$res$(scm_version)" else # apped a plus sign if the repository is not in a clean tagged # state and LOCALVERSION= is not specified if test "${LOCALVERSION+set}" != "set"; then scm=$(scm_version --short) res="$res${scm:++}" fi fi

echo "$res"