revlog: use node tree (native code) for shortest() calculation
I want to rewrite revlog.shortest() to disambiguate only among hex
nodeids and then disambiguate the result with revnums at a higher
level (in scmutil). However, that would slow down `hg log -T
'{shortest(node,1)}\n'` from 5.0s to 6.8s, which I wasn't sure would
be acceptable. So this patch makes revlog.shortest() use the node tree
for finding the length of the shortest prefix that's unambiguous among
nodeids. Once that has been found, it makes it longer until it is also
not ambiguous with a revnum.
This speeds up `hg log -T '{shortest(node,1)}\n'` from 5.0s to 4.0s.
Differential Revision: https://phab.mercurial-scm.org/D3499
#!/bin/bash -e
. $(dirname $0)/dockerlib.sh
BUILDDIR=$(dirname $0)
export ROOTDIR=$(cd $BUILDDIR/..; pwd)
checkdocker
PLATFORM="$1"
shift # extra params are passed to buildrpm
initcontainer $PLATFORM
RPMBUILDDIR=$ROOTDIR/packages/$PLATFORM
contrib/buildrpm --rpmbuilddir $RPMBUILDDIR --prepare $*
DSHARED=/mnt/shared
$DOCKER run -e http_proxy -e https_proxy -u $DBUILDUSER --rm -v $RPMBUILDDIR:$DSHARED $CONTAINER \
rpmbuild --define "_topdir $DSHARED" -ba $DSHARED/SPECS/mercurial.spec --clean
$DOCKER run -e http_proxy -e https_proxy -u $DBUILDUSER --rm -v $RPMBUILDDIR:$DSHARED $CONTAINER \
createrepo $DSHARED
cat << EOF > $RPMBUILDDIR/mercurial.repo
# Place this file in /etc/yum.repos.d/mercurial.repo
[mercurial]
name=Mercurial packages for $PLATFORM
# baseurl=file://$RPMBUILDDIR/
baseurl=http://hg.example.com/build/$PLATFORM/
skip_if_unavailable=True
gpgcheck=0
enabled=1
EOF
echo
echo "Build complete - results can be found in $RPMBUILDDIR"