contrib/buildrpm

Distinguish removed and deleted files. Tests are not fixed yet.
hg status will now show "R filename" for "hg rm"ed files and
"! filename" for files which were deleted manually.
Manually deleted files are considered unmodified.

#!/bin/sh
#
# Build a Mercurial RPM in place.
#
# Bryan O'Sullivan <[e-mail]>

root="`hg root 2>/dev/null`"
specfile=contrib/mercurial.spec

if [ -z "$root" ]; then
    echo 'You are not inside a Mercurial repository!' 1>&2
    exit 1
fi

rpmdir=/tmp/"`basename $root | sed 's/ /_/'`"-rpm

cd "$root"
rm -rf $rpmdir
mkdir -p $rpmdir/RPMS
hg clone "$root" $rpmdir/BUILD

if [ ! -f $specfile ]; then
    echo "Cannot find $specfile!" 1>&2
    exit 1
fi

tmpspec=/tmp/`basename "$specfile"`.$$
# Use the most recent tag as the version.
version=`hg tags | perl -e 'while(<STDIN>){if(/^(\d\S+)/){print$1;exit}}'`
# Compute the release number as the difference in revision numbers
# between the tip and the most recent tag.
release=`hg tags | perl -e 'while(<STDIN>){/^(\S+)\s+(\d+)/;if($1eq"tip"){$t=$2}else{print$t-$2+1;exit}}'`
tip=`hg -q tip`

# Beat up the spec file
sed -e 's,^Source:.*,Source: /dev/null,' \
    -e "s,^Version:.*,Version: $version," \
    -e "s,^Release:.*,Release: $release," \
    -e "s,^%prep.*,Changeset: $tip\n\0," \
    -e 's,^%setup.*,,' \
    $specfile > $tmpspec

rpmbuild --define "_topdir $rpmdir" -bb $tmpspec
if [ $? = 0 ]; then
    rm -rf $tmpspec $rpmdir/BUILD
    mv $rpmdir/RPMS/*/* $rpmdir && rm -r $rpmdir/RPMS
    echo
    echo "Packages are in $rpmdir"
fi