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#! /bin/sh
# Simple program to make new version numbers for the shell.
# Big deal, but it was getting out of hand to do everything
# in the makefile. This creates a file named by the -o option,
# otherwise everything is echoed to the standard output.
PROGNAME=`basename $0`
USAGE="$PROGNAME [-b] -d version -p patchlevel [-s status]"
while [ $# -gt 0 ]; do
case "$1" in
-o) shift; OUTFILE=$1; shift ;;
-b) shift; inc_build=yes ;;
-s) shift; rel_status=$1; shift ;;
-p) shift; patch_level=$1; shift ;;
-d) shift; dist_version=$1; shift ;;
*) echo "$PROGNAME: usage: $USAGE" >&2 ; exit 2 ;;
esac
done
# Required arguments
if [ -z "$dist_version" ]; then
echo "${PROGNAME}: required argument -d missing" >&2
echo "$PROGNAME: usage: $USAGE" >&2
exit 1
fi
if [ -z "$patch_level" ]; then
echo "${PROGNAME}: required argument -p missing" >&2
echo "$PROGNAME: usage: $USAGE" >&2
exit 1
fi
# Defaults
if [ -z "$rel_status" ]; then
rel_status="release"
fi
build_ver=
if [ -r .build ]; then
build_ver=`cat .build`
fi
if [ -z "$build_ver" ]; then
build_ver=0
fi
# increment the build version if that's what's required
if [ -n "$inc_build" ]; then
build_ver=`expr $build_ver + 1`
fi
# If we have an output file specified, make it the standard output
if [ -n "$OUTFILE" ]; then
if exec >$OUTFILE; then
:
else
echo "${PROGNAME}: cannot redirect standard output to $OUTFILE" >&2
exit 1
fi
fi
# Output the leading comment.
echo "/* Version control for the shell. This file gets changed when you say"
echo " \`make version.h' to the Makefile. It is created by mkversion. */"
# Output the distribution version
float_dist=`echo $dist_version | awk '{printf "%.2f\n", $1}'`
echo
echo "/* The distribution version number of this shell. */"
echo "#define DISTVERSION \"${float_dist}\""
# Output the patch level
echo
echo "/* The patch level of this version of the shell. */"
echo "#define PATCHLEVEL ${patch_level}"
# Output the build version
echo
echo "/* The last built version of this shell. */"
echo "#define BUILDVERSION ${build_ver}"
# Output the release status
echo
echo "/* The release status of this shell. */"
echo "#define RELSTATUS \"${rel_status}\""
# Output the SCCS version string
sccs_string="${float_dist}.${patch_level}(${build_ver}) ${rel_status} GNU"
echo
echo "/* A version string for use by sccs and the what command. */"
echo "#define SCCSVERSION \"@(#)Bash version ${sccs_string}\""
if [ -n "$inc_build" ]; then
# Make sure we can write to .build
if [ -f .build ] && [ ! -w .build ]; then
echo "$PROGNAME: cannot write to .build, not incrementing build version" >&2
else
echo "$build_ver" > .build
fi
fi
exit 0
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