RFR: 8048184 : (s) handle mercurial dev build version string

[pointo1d]

Hiya Daniel ,

On 08/07/14 13:15, Daniel Fuchs wrote:
> On 7/8/14 1:40 PM, pointo1d wrote:
>> What do you see if you run the script using bash ?
>>
>
> Just the same.
>
> best regards,
>
> -- daniel
>
Try this ...

#!/bin/sh -e

#
# Copyright (c) 2010, 2014, Oracle and/or its affiliates. All rights 
reserved.
# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
#
# This code is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License version 2 only, as
# published by the Free Software Foundation. Oracle designates this
# particular file as subject to the "Classpath" exception as provided
# by Oracle in the LICENSE file that accompanied this code.
#
# This code 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
# version 2 for more details (a copy is included in the LICENSE file that
# accompanied this code).
#
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#
# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
# or visit www.oracle.com if you need additional information or have any
# questions.
#

to_stderr() {
echo "$@" >&2
}

error() {
to_stderr "ERROR: $1"
exit ${2:-126}
}

warning() {
to_stderr "WARNING: $1"
}

get_ver_substr() {
_n=`echo $hgversion | awk -F. '$'$1' ~ /[0-9]+/{ print $'$1' }'`
echo ${_n:-'-1'}
}

# Version check

# required
reqdmajor=1
reqdminor=5
reqdrev=0

# requested
rqstmajor=2
rqstminor=6
rqstrev=3

# installed
hgwhere="`command -v hg`"
if [ "x$hgwhere" = "x" ]; then
error "Could not locate Mercurial command"
fi

hgversion="`hg --version 2> /dev/null | sed -n -e 's@^Mercurial 
Distributed SCM (version \([^+]*\).*)\$@\1 at p'`"

if [ "x${hgversion}" = "x" ] ; then
error "Could not determine Mercurial version of $hgwhere"
fi

hgmajor="`get_ver_substr 1`"
hgminor="`get_ver_substr 2`"
hgrev="`get_ver_substr 3`" # rev is omitted for minor and major releases

if [ `expr "$hgmajor$hgminor$hgrev" : ".*-1"` != 0 ]; then
error "Could not determine Mercurial version of $hgwhere from 
\"$hgversion\""
fi

# Require
if [ $hgmajor -lt $reqdmajor -o \( $hgmajor -eq $reqdmajor -a $hgminor 
-lt $reqdminor \) -o \( $hgmajor -eq $reqdmajor -a $hgminor -eq 
$reqdminor -a $hgrev -lt $reqdrev \) ] ; then
error "Mercurial version $reqdmajor.$reqdminor.$reqdrev or later is 
required. $hgwhere is version $hgversion"

fi

# Request
if [ $hgmajor -lt $rqstmajor -o \( $hgmajor -eq $rqstmajor -a $hgminor 
-lt $rqstminor \) -o \( $hgmajor -eq $rqstmajor -a $hgminor -eq 
$rqstminor -a $hgrev -lt $rqstrev \) ] ; then
warning "Mercurial version $rqstmajor.$rqstminor.$rqstrev or later is 
recommended. $hgwhere is version $hgversion"
fi

# Get clones of all absent nested repositories (harmless if already exist)
sh ./common/bin/hgforest.sh clone "$@" || exit $?

# Update all existing repositories to the latest sources
sh ./common/bin/hgforest.sh pull -u

#### END OF FILE

HTH ,

-- 
​Dave Pointon FIAP MBCS - Contractor engaged by IBM

Now I saw, tho' too late, the folly of beginning a work before we count the cost and before we we judge rightly of our strength to go thro' with it - Robinson Crusoe