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#!/bin/sh
#
# This scripts takes the major and minor release numbers and adds
# local version information from the git version control system.
# Adapted from scripts/setlocalversion in the Linux kernel sources.
#
major=4
minor=2
extra=
usage() {
echo "Usage: $0 [srctree]" >&2
exit 1
}
srctree=.
if test $# -gt 0; then
srctree=$1
shift
fi
if test $# -gt 0 -o ! -d "$srctree"; then
usage
fi
scm_version()
{
cd "$srctree"
# Check for git and a git repo.
if test -d .git && head=`git rev-parse --verify --short HEAD 2>/dev/null`; then
# If we are at a tagged commit (like "v2.6.30-rc6"), we ignore
# it, because this version is defined in the top level Makefile.
if [ -z "`git describe --exact-match 2>/dev/null`" ]; then
# If we are past a tagged commit (like
# "v2.6.30-rc5-302-g72357d5"), we pretty print it.
if atag="`git describe 2>/dev/null`"; then
echo "$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 $head
fi
fi
# Update index only on r/w media
[ -w . ] && git update-index --refresh --unmerged > /dev/null
# Check for uncommitted changes
if git diff-index --name-only HEAD | grep -qv "^scripts/package"; then
printf '%s' -dirty
fi
# All done with git
return
fi
}
res="${major}.${minor}${extra}$(scm_version)"
echo "$res"
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