makefile: add make {dist,release} target

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

1 files changed, 111 insertions, 0 deletions

diff --git a/scripts/setlocalversion b/scripts/setlocalversion
new file mode 100755
index 0000000..63928cd
--- /dev/null
+++ b/scripts/setlocalversion
@@ -0,0 +1,111 @@
+#!/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>.
+#
+#
+
+#
+# Use the following line in your configure.ac, so that $(VERSION) will
+# automatically be up-to-date each time configure is run (and note that
+# since configure.ac no longer includes a version string, Makefile rules
+# should not depend on configure.ac for version updates).
+#
+# AC_INIT([GNU project],
+#         m4_esyscmd([build-aux/git-version-gen .tarball-version]),
+#         [bug-project@example])
+#
+
+case $# in
+    1) ;;
+    *) echo 1>&2 "Usage: $0 \$srcdir/.tarball-version"; exit 1;;
+esac
+
+tarball_version_file="$1"
+nl='
+'
+
+# First see if there is a tarball-only version file.
+if test -f $tarball_version_file
+then
+    v=`cat $tarball_version_file` || exit 1
+    case $v in
+	*$nl*) v= ;; # reject multi-line output
+    esac
+    test -z "$v" \
+	&& echo "$0: WARNING: $tarball_version_file seems to be damaged" 1>&2
+
+    echo -n "$v"
+    exit
+fi
+
+cd "$(dirname "${tarball_version_file}")"
+
+# 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 "ptxdist-2010.05.0"), we
+	# print it here
+	if atag="`git describe --exact-match 2>/dev/null`"; then
+		echo "$atag" | awk -F'[v-]' '{printf("%s", $(NF))}'
+
+	# If we are past a tagged commit (like "ptxdist-2010.03.0-130-g3c60777"),
+	# we pretty print it.
+	elif atag="`git describe 2>/dev/null`"; then
+		echo "$atag" | awk -F'[v-]' '{printf("%s-%05d-%s", $(NF-2),$(NF-1),$(NF))}'
+
+	# If we don't have a tag at all we print ????.??.?-?-g{commitish}.
+	else
+		printf '%s%s' '????.??.?-?-g' $head
+	fi
+
+	# Is this git on svn?
+	if git config --get svn-remote.svn.url >/dev/null; then
+	        printf -- '-svn%s' "`git svn find-rev $head`"
+	fi
+
+	# Update index only on r/w media
+	[ -w . ] && git update-index --refresh --unmerged > /dev/null
+
+	# Check for uncommitted changes
+	if git diff-index --name-only HEAD \
+	    | read dummy; then
+		printf '%s' -dirty
+	fi
+
+	# All done with git
+	exit
+fi
+
+# Check for mercurial and a mercurial repo.
+if hgid=`hg id 2>/dev/null`; then
+	tag=`printf '%s' "$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