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#!/bin/sh
# Syntax:
# $0 <path-to-top_srcdir> <version-stamp-file>
#
# <path-to-top_srcdir> may be relative
# <version-stamp-file> is relative to src/build topdir
top_srcdir="${1-.}"
test -d "$top_srcdir" || { \
echo "Could not change to top_srcdir '$1'" >&2; \
exit 1; \
}
version_stamp="${2-version-stamp}"
# If GIT_DIR is set, use it. If not, try top_srcdir/.git.
if test -n "$GIT_DIR"; then :;
else GIT_DIR="$top_srcdir/.git"; export GIT_DIR
fi
if test -f "$top_srcdir/$version_stamp"; then # dist source tree
cat "$top_srcdir/$version_stamp" | ${TR-tr} -d '\012'
elif test -d "$GIT_DIR"; then # git source tree
git_describe=`${GIT-git} describe 2>/dev/null || echo devel`
echo "$git_describe" | ${SED-sed} 's/^v//;s/-/./;s/-g/-/' | ${TR-tr} -d '\012'
else # ???
echo "devel" | ${TR-tr} -d '\012'
fi
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