initial buildroot for linux 5.15

support/scripts/setlocalversion

@@ -0,0 +1,93 @@
+#!/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
+
+	atag="`git describe 2>/dev/null`"
+
+	# Show -g<commit> if we have no tag, or just the tag
+	# otherwise.
+	if [ -z "${atag}" ] ; then
+		printf "%s%s" -g ${head}
+	else
+		printf ${atag}
+	fi
+
+	# Is this git on svn?
+	if git config --get svn-remote.svn.url >/dev/null; then
+	        printf -- '-svn%s' "`git svn find-rev $head`"
+	fi
+
+	# Update index only on r/w media
+	[ -w . ] && git update-index --refresh --unmerged > /dev/null
+
+	# Check for uncommitted changes
+	if git diff-index --name-only HEAD | grep -v "^scripts/package" \
+	    | read dummy; then
+		printf '%s' -dirty
+	fi
+
+	# All done with git
+	exit
+fi
+
+# Check for mercurial and a mercurial repo.
+# In the git case, 'git describe' will show the latest tag, and unless we are
+# exactly on that tag, the number of commits since then, and last commit id.
+# Mimic something similar in the Mercurial case.
+if hgid=`HGRCPATH= hg id --id --tags 2>/dev/null`; then
+	tag=`printf '%s' "$hgid" | cut -d' ' -f2 --only-delimited`
+
+	# Do we have an untagged version?
+	if [ -z "$tag" -o "$tag" = tip ]; then
+		# current revision is not tagged, determine latest tag
+		latesttag=`HGRCPATH= hg log -r. -T '{latesttag}' 2>/dev/null`
+		# In case there is more than one tag on the latest tagged commit,
+		# 'latesttag' will separate them by colon (:). We'll retain this.
+		# In case there is no tag at all, 'null' will be returned.
+		if [ "$latesttag" = "null" ]; then
+			latesttag=''
+		fi
+
+		# add the commit id
+		id=`printf '%s' "$hgid" | sed 's/[+ ].*//'`
+		printf '%s%s%s' "${latesttag}" -hg "$id"
+	else
+		# current revision is tagged, just print the tag
+		printf ${tag}
+	fi
+
+	# Are there uncommitted changes?
+	# These are represented by + after the changeset id.
+	case "$hgid" in
+		*+|*+\ *) printf '%s' -dirty ;;
+	esac
+
+	# All done with mercurial
+	exit
+fi
+
+# Check for svn and a svn repo.
+if rev=`LC_ALL=C 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