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