Tested for version.sh in cwd, but used . to source, assuming that
would pull in file from cwd. True on BSD (checked after $PATH) but
not part of POSIX and not true for bash when in POSIX mode.
# Read version information that was generated by a previous run of
# this script, or during the release process.
-if [ -f version.sh ]
-then . version.sh
+if [ -f ./version.sh ]
+then . ./version.sh
elif [ -f ../src/version.sh ]
then . ../src/version.sh
fi