diff options
Diffstat (limited to 'support/mkversion.sh')
| -rwxr-xr-x | support/mkversion.sh | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/support/mkversion.sh b/support/mkversion.sh new file mode 100755 index 0000000..5960a42 --- /dev/null +++ b/support/mkversion.sh @@ -0,0 +1,168 @@ +#! /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. + +# Copyright (C) 1996-2020 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/>. +# + +PROGNAME=`basename $0` +USAGE="$PROGNAME [-b] [-S srcdir] -d version -p patchlevel [-s status] [-o outfile]" + +source_dir="." + +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 ;; + -S) shift; source_dir="$1"; shift ;; + *) echo "$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 1 + $build_ver` +fi + +# what's the patch level? +if [ -z "$patch_level" ]; then + patchlevel_h=$source_dir/patchlevel.h + if [ -s $patchlevel_h ]; then + patch_level=`cat $patchlevel_h | grep '^#define[ ]*PATCHLEVEL' | awk '{print $NF}'` + fi +fi +if [ -z "$patch_level" ]; then + patch_level=0 +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 $OUTFILE" >&2 + exit 1 + fi +fi + +# Output the leading comment. +echo "/* Version control for the shell. This file gets changed when you say" +echo " \`make version.h' to the Makefile. It is created by mkversion. */" + +# Output the distribution version. Single numbers are converted to x.00. +# Allow, as a special case, `[:digit:].[:digit:][:alpha:]' for +# intermediate versions (e.g., `2.5a'). +# Any characters other than digits and `.' are invalid. +case "$dist_version" in +[0-9].[0-9][a-z]) ;; # special case +*[!0-9.]*) echo "mkversion.sh: ${dist_version}: bad distribution version" >&2 + exit 1 ;; +*.*) ;; +*) dist_version=${dist_version}.00 ;; +esac + +dist_major=`echo $dist_version | sed 's:\..*$::'` +[ -z "${dist_major}" ] && dist_major=0 + +dist_minor=`echo $dist_version | sed 's:^.*\.::'` +case "$dist_minor" in +"") dist_minor=0 ;; +[a-z]) dist_minor=0${dist_minor} ;; +?) dist_minor=${dist_minor} ;; +*) ;; +esac + +#float_dist=`echo $dist_version | awk '{printf "%.2f\n", $1}'` +float_dist=${dist_major}.${dist_minor} + +echo +echo "/* The distribution version number of this shell. */" +echo "#define DISTVERSION \"${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}\"" + +echo +echo "/* The default shell compatibility-level (the current version) */" +echo "#define DEFAULT_COMPAT_LEVEL ${dist_major}${dist_minor}" + +# 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 ${sccs_string}\"" + +# extern function declarations +#echo +#echo '/* Functions from version.c. */' +#echo 'extern char *shell_version_string PARAMS((void));' +#echo 'extern void show_shell_version PARAMS((int));' + +if [ -n "$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 |