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##
## version -- Maintain a version information file
## Copyright (c) 1994-2008 Ralf S. Engelschall <rse@engelschall.com>
##
## This file is part of shtool and 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
## 2 of the License, or (at your option) any later version.
##
## This file 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, write to the Free Software
## Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
## USA, or contact Ralf S. Engelschall <rse@engelschall.com>.
##
str_tool="version"
str_usage="[-l|--language <lang>] [-n|--name <name>] [-p|--prefix <prefix>] [-s|--set <version>] [-e|--edit] [-i|--increase <knob>] [-d|--display <type>] <file>"
arg_spec="1="
opt_spec="l:n:p:s:i:e.d:"
opt_alias="l:language,n:name,p:prefix,s:set,e:edit,i:increase,d:display"
opt_l="txt"
opt_n="unknown"
opt_p=""
opt_s=""
opt_e="no"
opt_i=""
opt_d="short"
. ./sh.common
file="$1"
# determine prefix and name
name="$opt_n"
prefix="$opt_p"
# determine current version
triple="$opt_s"
if [ ".$triple" != . ]; then
# use given triple
if [ ".`echo $triple | grep '[0-9]*.[0-9]*[sabp.][0-9]*'`" = . ]; then
echo "$msgprefix:Error: invalid argument to option \`-s': \`$opt_s'" 1>&2
shtool_exit 1
fi
eval `echo $triple |\
sed -e 's%\([0-9]*\)\.\([0-9]*\)\([sabp.]\)\([0-9]*\).*%\
ver="\1";rev="\2";typ="\3";lev="\4"%'`
tim=calc
elif [ -r $file ]; then
# determine triple from given file
eval `grep 'Version [0-9]*.[0-9]*[sabp.][0-9]* ([0-9]*-[a-zA-Z]*-[0-9]*)' $file |\
sed -e 's%.*Version \([0-9]*\)\.\([0-9]*\)\([sabp.]\)\([0-9]*\) (\([0-9]*-[a-zA-Z]*-[0-9]*\)).*%\
ver="\1";rev="\2";typ="\3";lev="\4";tim="\5"%' -e 'q'`
else
# intialise to first version
ver=0
rev=1
typ=.
lev=0
tim=calc
fi
# determine new version in batch
if [ ".$opt_i" != . ]; then
case $opt_i in
v ) ver=`expr $ver + 1`
rev=0
lev=0
;;
r ) rev=`expr $rev + 1`
lev=0
;;
l ) lev=`expr $lev + 1`
;;
* ) echo "$msgprefix:Error: invalid argument to option \`-i': \`$opt_i'" 1>&2
shtool_exit 1
;;
esac
tim=calc
fi
# determine new version interactively
if [ ".$opt_e" = .yes ]; then
echo "old version: ${ver}.${rev}${typ}${lev}"
while [ 1 ]; do
echo dummy | awk '{ printf("new version: "); }'
read triple
case $triple in
[0-9]*.[0-9]*[sabp.][0-9]* )
;;
* ) echo "$msgprefix:Error: invalid version string entered: \`$triple'" 1>&2
continue
;;
esac
break
done
eval `echo $triple |\
sed -e 's%^\([0-9]*\)\.\([0-9]*\)\([sabp.]\)\([0-9]*\)$%\
ver="\1";rev="\2";typ="\3";lev="\4"%'`
tim=calc
fi
# determine hexadecimal and libtool value of version
case $typ in
a ) typnum=0; levnum=$lev ;;
b ) typnum=1; levnum=$lev ;;
p | . ) typnum=2; levnum=$lev ;;
s ) typnum=15; levnum=255 ;; # snapshots are special
esac
hex=`echo "$ver:$rev:$typnum:$levnum" |\
awk -F: '{ printf("0x%x%02x%1x%02x", $1, $2, $3, $4); }' |\
tr 'abcdef' 'ABCDEF'`
ltv=`echo "$ver:$rev:$typnum:$levnum" |\
awk -F: '{ printf("%d:%d", $1*10 + $2, $3*10 + $4); }'`
# determine date
if [ ".$tim" = .calc ]; then
day=`date '+%d'`
month=`date '+%m'`
year=`date '+%Y' 2>/dev/null`
if [ ".$time_year" = . ]; then
year=`date '+%y'`
case $year in
[5-9][0-9]) year="19$year" ;;
[0-4][0-9]) year="20$year" ;;
esac
fi
case $month in
1|01) month='Jan' ;;
2|02) month='Feb' ;;
3|03) month='Mar' ;;
4|04) month='Apr' ;;
5|05) month='May' ;;
6|06) month='Jun' ;;
7|07) month='Jul' ;;
8|08) month='Aug' ;;
9|09) month='Sep' ;;
10) month='Oct' ;;
11) month='Nov' ;;
12) month='Dec' ;;
esac
tim="${day}-${month}-${year}"
fi
# perform result actions
mode=show
if [ ".$opt_i" != . ]; then
mode=edit
elif [ ".$opt_e" = .yes ]; then
mode=edit
elif [ ".$opt_s" != . ]; then
mode=edit
fi
if [ ".$mode" = .show ]; then
# just display the current version
case $opt_d in
short )
echo "${ver}.${rev}${typ}${lev}"
;;
long )
echo "${ver}.${rev}${typ}${lev} ($tim)"
;;
libtool )
echo "${ltv}"
;;
hex )
echo "${hex}"
;;
* ) echo "$msgprefix:Error: invalid argument to option \`-d': \`$opt_d'" 1>&2
shtool_exit 1
;;
esac
else
# update the version file
# pre-generate various strings
triple="${ver}.${rev}${typ}${lev}"
vHex="$hex"
vShort="${triple}"
vLong="${triple} (${tim})"
vTeX="This is ${name}, Version ${triple} (${tim})"
vGNU="${name} ${triple} (${tim})"
vWeb="${name}/${triple}"
vSCCS="@(#)${name} ${triple} (${tim})"
vRCS="\$Id: ${name} ${triple} (${tim}) \$"
# determine string out of filename
# (do NOT try to optimize this in any way because of portability)
filestr=`util_upper "$file" | tr './%+' '____' | sed -e 's/-/_/g'`
# generate uppercase prefix
prefixupper=`util_upper "$prefix"`
# create the version file according the the selected language
echo "new version: ${vLong}"
cp /dev/null $file
case $opt_l in
txt )
echo >>$file ""
echo >>$file " ${file} -- Version Information for ${name} (syntax: Text)"
echo >>$file " [automatically generated and maintained by GNU shtool]"
echo >>$file ""
echo >>$file " $vTeX"
echo >>$file ""
;;
c )
echo >>$file "/*"
echo >>$file "** ${file} -- Version Information for ${name} (syntax: C/C++)"
echo >>$file "** [automatically generated and maintained by GNU shtool]"
echo >>$file "*/"
echo >>$file ""
echo >>$file "#ifdef _${filestr}_AS_HEADER_"
echo >>$file ""
echo >>$file "#ifndef _${filestr}_"
echo >>$file "#define _${filestr}_"
echo >>$file ""
echo >>$file "#define ${prefixupper}VERSION ${vHex}"
echo >>$file ""
echo >>$file "typedef struct {"
echo >>$file " const int v_hex;"
echo >>$file " const char *v_short;"
echo >>$file " const char *v_long;"
echo >>$file " const char *v_tex;"
echo >>$file " const char *v_gnu;"
echo >>$file " const char *v_web;"
echo >>$file " const char *v_sccs;"
echo >>$file " const char *v_rcs;"
echo >>$file "} ${prefix}version_t;"
echo >>$file ""
echo >>$file "extern ${prefix}version_t ${prefix}version;"
echo >>$file ""
echo >>$file "#endif /* _${filestr}_ */"
echo >>$file ""
echo >>$file "#else /* _${filestr}_AS_HEADER_ */"
echo >>$file ""
echo >>$file "#define _${filestr}_AS_HEADER_"
echo >>$file "#include \"${file}\""
echo >>$file "#undef _${filestr}_AS_HEADER_"
echo >>$file ""
echo >>$file "${prefix}version_t ${prefix}version = {"
echo >>$file " ${vHex},"
echo >>$file " \"${vShort}\","
echo >>$file " \"${vLong}\","
echo >>$file " \"${vTeX}\","
echo >>$file " \"${vGNU}\","
echo >>$file " \"${vWeb}\","
echo >>$file " \"${vSCCS}\","
echo >>$file " \"${vRCS}\""
echo >>$file "};"
echo >>$file ""
echo >>$file "#endif /* _${filestr}_AS_HEADER_ */"
echo >>$file ""
;;
m4 )
echo >>$file "##"
echo >>$file "## ${file} -- Version Information for ${name} (syntax: M4)"
echo >>$file "## [automatically generated and maintained by GNU shtool]"
echo >>$file "##"
echo >>$file ""
echo >>$file "m4_define([v_hex], [${vHex}])"
echo >>$file "m4_define([v_short], [${vShort}])"
echo >>$file "m4_define([v_long], [${vLong}])"
echo >>$file "m4_define([v_tex], [${vTeX}])"
echo >>$file "m4_define([v_gnu], [${vGNU}])"
echo >>$file "m4_define([v_web], [${vWeb}])"
echo >>$file "m4_define([v_sccs], [${vSCCS}])"
echo >>$file "m4_define([v_rcs], [${vRCS}])"
echo >>$file ""
;;
perl )
echo >>$file "##"
echo >>$file "## ${file} -- Version Information for ${name} (syntax: Perl)"
echo >>$file "## [automatically generated and maintained by GNU shtool]"
echo >>$file "##"
echo >>$file ""
echo >>$file "our \$${prefix}version = {"
echo >>$file " 'v_hex' => ${vHex},"
echo >>$file " 'v_short' => \"${vShort}\","
echo >>$file " 'v_long' => \"${vLong}\","
echo >>$file " 'v_tex' => \"${vTeX}\","
echo >>$file " 'v_gnu' => \"${vGNU}\","
echo >>$file " 'v_web' => \"${vWeb}\","
echo >>$file " 'v_sccs' => \"${vSCCS}\","
echo >>$file " 'v_rcs' => \"\\${vRCS}/\""
echo >>$file "};"
echo >>$file ""
echo >>$file "1;"
echo >>$file ""
;;
python )
echo >>$file "##"
echo >>$file "## ${file} -- Version Information for ${name} (syntax: Python)"
echo >>$file "## [automatically generated and maintained by GNU shtool]"
echo >>$file "##"
echo >>$file ""
echo >>$file "class ${prefix}version:"
echo >>$file " v_hex = ${vHex}"
echo >>$file " v_short = \"${vShort}\""
echo >>$file " v_long = \"${vLong}\""
echo >>$file " v_tex = \"${vTeX}\""
echo >>$file " v_gnu = \"${vGNU}\""
echo >>$file " v_web = \"${vWeb}\""
echo >>$file " v_sccs = \"${vSCCS}\""
echo >>$file " v_rcs = \"${vRCS}\""
echo >>$file ""
;;
* ) echo "$msgprefix:Error: invalid argument to option \`-l': \`$opt_l'" 1>&2
shtool_exit 1
;;
esac
fi
shtool_exit 0
##
## manual page
##
=pod
=head1 NAME
B<shtool-version> - B<GNU shtool> maintain version information file
=head1 SYNOPSIS
B<shtool version>
[B<-l>|B<--language> I<lang>]
[B<-n>|B<--name> I<name>]
[B<-p>|B<--prefix> I<prefix>]
[B<-s>|B<--set> I<version>]
[B<-e>|B<--edit>]
[B<-i>|B<--increase> I<knob>]
[B<-d>|B<--display> I<type>]
I<file>
=head1 DESCRIPTION
This command displays and maintains version information in I<file>.
The version is always described with a triple
E<lt>I<version>,I<revision>,I<level>E<gt> and is represented
by a string which always matches the regular expression
"C<[0-9]+\.[0-9]+[sabp.][0-9]+>".
The hexadecimal format for a version C<v.rtl> is C<VVRRTLL> where C<VV>
and C<RR> directly correspond to C<v> and C<r>, C<T> encodes the level
type as C<9>, C<2>, C<1>, C<0> (representing C<s>, C<p>/C<.>, C<b>, C<a>
in this order) and C<LL> is either directly corresponding to C<l> or set
to C<99> if level type is C<s>.
=head1 OPTIONS
The following command line options are available.
=over 4
=item B<-v>, B<--verbose>
Print verbose information during processing.
=item B<-l>, B<--language> I<lang>
Choose format of version file I<file>. I<lang>="C<txt>", ANSI C
(I<lang>="c"), M4 (I<lang>="m4"), Perl (I<lang>="perl") or Python
(I<lang>="python"). Default is C<txt>.
=item B<-n>, B<--name> I<name>
Name the program the version is maintained for. Default is C<unknown>.
=item B<-p>, B<--prefix> I<prefix>
=item B<-s>, B<--set> I<version>
Set the version to I<version>.
=item B<-e>, B<--edit>
Interactively enter a new version.
=item B<-i>, B<--increase> I<knob>
When option ``B<-i>'' is used, the current version in I<file> is updated
by increasing one element of the version where I<knob> can be one of
the following: ``C<v>'' for increasing the version by 1 (and resetting
revision and level to 0), ``C<r>'' for increasing the revision by 1 (and
resetting level to 0) or ``C<l>'' for increasing the level by 1.
=item B<-d>, B<--display> I<type>
Control the display type: "C<short>" for a short version display,
"C<long>" for a longer version display, "C<hex>" for a hexadecimal
display of the version and "C<libtool>" for a format suitable for use
with GNU libtool.
=back
=head1 EXAMPLE
# shell script
shtool version -l c -n FooBar -p foobar -s 1.2b3 version.c
# configure.in
V=`shtool version -l c -d long version.c`
echo "Configuring FooBar, Version $V"
=head1 HISTORY
The B<GNU shtool> B<version> command was originally written by Ralf S.
Engelschall E<lt>rse@engelschall.comE<gt> in 1994 for B<OSSP eperl>. It
was later rewritten from scratch for inclusion into B<GNU shtool>.
=head1 SEE ALSO
shtool(1).
=cut