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diff --git a/build-aux/git-version-gen b/build-aux/git-version-gen
index 3ceb7173..fc727dd8 100755
--- a/build-aux/git-version-gen
+++ b/build-aux/git-version-gen
@@ -1,187 +1,195 @@
#!/bin/sh
# Print a version string.
scriptversion=2018-08-31.20; # UTC
# Copyright (C) 2018 Red Hat, Inc.
# Copyright (C) 2007-2010 Free Software Foundation, Inc.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# This script is derived from GIT-VERSION-GEN from GIT: http://git.or.cz/.
# It may be run two ways:
# - from a git repository in which the "git describe" command below
# produces useful output (thus requiring at least one signed tag)
# - from a non-git-repo directory containing a .tarball-version file, which
# presumes this script is invoked like "./git-version-gen .tarball-version".
# In order to use intra-version strings in your project, you will need two
# separate generated version string files:
#
# .tarball-version - present only in a distribution tarball, and not in
# a checked-out repository. Created with contents that were learned at
# the last time autoconf was run, and used by git-version-gen. Must not
# be present in either $(srcdir) or $(builddir) for git-version-gen to
# give accurate answers during normal development with a checked out tree,
# but must be present in a tarball when there is no version control system.
# Therefore, it cannot be used in any dependencies. GNUmakefile has
# hooks to force a reconfigure at distribution time to get the value
# correct, without penalizing normal development with extra reconfigures.
#
# .version - present in a checked-out repository and in a distribution
# tarball. Usable in dependencies, particularly for files that don't
# want to depend on config.h but do want to track version changes.
# Delete this file prior to any autoconf run where you want to rebuild
# files to pick up a version string change; and leave it stale to
# minimize rebuild time after unrelated changes to configure sources.
#
# It is probably wise to add these two files to .gitignore, so that you
# don't accidentally commit either generated file.
#
# In order to use git archive versions another two files has to be presented:
#
# .gitarchive-version - present in checked-out repository and git
# archive tarball, but not in the distribution tarball. Used as a last
# option for version. File must contain special string $Format:%d$,
# which is substitued by git on archive operation.
#
# .gitattributes - present in checked-out repository and git archive
# tarball, but not in the distribution tarball. Must set export-subst
# attribute for .gitarchive-version file.
#
# 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])
#
# Then use the following lines in your Makefile.am, so that .version
# will be present for dependencies, and so that .tarball-version will
# exist in distribution tarballs.
#
# BUILT_SOURCES = $(top_srcdir)/.version
# $(top_srcdir)/.version:
# echo $(VERSION) > $@-t && mv $@-t $@
# dist-hook:
# echo $(VERSION) > $(distdir)/.tarball-version
case $# in
1|2|3) ;;
*) echo 1>&2 "Usage: $0 \$srcdir/.tarball-version" \
'[$srcdir/.gitarchive-version] [TAG-NORMALIZATION-SED-SCRIPT]'
exit 1;;
esac
tarball_version_file=$1
gitarchive_version_file=$2
tag_sed_script="${3:-s/x/x/}"
nl='
'
# Avoid meddling by environment variable of the same name.
v=
# First see if there is a tarball-only version file.
# then try "git describe", then default.
if test -f $tarball_version_file
then
v=`cat $tarball_version_file` || exit 1
case $v in
*$nl*) v= ;; # reject multi-line output
[0-9]*) ;;
*) v= ;;
esac
test -z "$v" \
&& echo "$0: WARNING: $tarball_version_file seems to be damaged" 1>&2
fi
if test -n "$v"
then
: # use $v
# Otherwise, if there is at least one git commit involving the working
# directory, and "git describe" output looks sensible, use that to
# derive a version string.
elif test "`git log -1 --pretty=format:x . 2>&1`" = x \
&& v=`git describe --abbrev=4 --match='v*' HEAD 2>/dev/null \
|| git describe --abbrev=4 HEAD 2>/dev/null` \
&& v=`printf '%s\n' "$v" | sed "$tag_sed_script"` \
&& case $v in
v[0-9]*) ;;
*) (exit 1) ;;
esac
then
# Is this a new git that lists number of commits since the last
# tag or the previous older version that did not?
# Newer: v6.10-77-g0f8faeb
# Older: v6.10-g0f8faeb
case $v in
*-*-*) : git describe is okay three part flavor ;;
*-*)
: git describe is older two part flavor
# Recreate the number of commits and rewrite such that the
# result is the same as if we were using the newer version
# of git describe.
vtag=`echo "$v" | sed 's/-.*//'`
numcommits=`git rev-list "$vtag"..HEAD | wc -l`
v=`echo "$v" | sed "s/\(.*\)-\(.*\)/\1-$numcommits-\2/"`;
;;
esac
# Change the first '-' to a '.', so version-comparing tools work properly.
# Remove the "g" in git describe's output string, to save a byte.
v=`echo "$v" | sed 's/-/./;s/\(.*\)-g/\1-/'`;
else
if test -f $gitarchive_version_file
then
v=`sed 's/^.*tag: \(v[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\).*$/\1/' $gitarchive_version_file` || exit 1
case $v in
*$nl*) v= ;; # reject multi-line output
v[0-9]*) ;;
*) v= ;;
esac
test -z "$v" \
&& echo "$0: WARNING: $gitarchive_version_file doesn't contain valid version tag" 1>&2 \
&& v=UNKNOWN
else
v=UNKNOWN
fi
fi
+if test "$v" = "UNKNOWN"
+then
+ echo "$0: ERROR: Can't find valid version. Please use valid git repository," \
+ "released tarball or version tagged archive" 1>&2
+
+ exit 1
+fi
+
v=`echo "$v" |sed 's/^v//'`
# Don't declare a version "dirty" merely because a time stamp has changed.
git update-index --refresh > /dev/null 2>&1
dirty=`sh -c 'git diff-index --name-only HEAD' 2>/dev/null` || dirty=
case "$dirty" in
'') ;;
*) # Append the suffix only if there isn't one already.
case $v in
*-dirty) ;;
*) v="$v-dirty" ;;
esac ;;
esac
# Omit the trailing newline, so that m4_esyscmd can use the result directly.
echo "$v" | tr -d "$nl"
# Local variables:
# eval: (add-hook 'write-file-hooks 'time-stamp)
# time-stamp-start: "scriptversion="
# time-stamp-format: "%:y-%02m-%02d.%02H"
# time-stamp-time-zone: "UTC"
# time-stamp-end: "; # UTC"
# End:

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