tests/test-rebase-abort

fix pull racing with push/commit (issue1320)

changegroup() has a problem when nodes which does not descend from a node
in <bases> are added to remote after the discovery phase.
If that happens, changegroup() won't send the correct set of nodes, ie.
some nodes will be missing.
To correct it we have to find the set of nodes that both remote and self
have (called <common>), and send all the nodes not in <common>.

This fix has some overhead, in the worst case it will re-send a whole branch.

A proper fix to avoid this overhead might be to change the protocol so that
the <common> nodes are sent (instead of the <bases> of the missing nodes).

#!/bin/sh

echo "[extensions]" >> $HGRCPATH
echo "graphlog=" >> $HGRCPATH
echo "rebase=" >> $HGRCPATH

cleanoutput () {
    sed -e 's/\(Rebase status stored to\).*/\1/'  \
        -e 's/\(Rebase status restored from\).*/\1/' \
        -e 's/\(saving bundle to \).*/\1/'
}

hg init a
cd a
echo 'c1' >common
hg add common
hg commit -d '0 0' -u test -m "C1"

echo 'c2' >>common
hg commit -d '1 0' -u test -m "C2"

echo 'c3' >>common
hg commit -d '2 0' -u test -m "C3"

hg update -C 1
echo 'l1' >>extra
hg add extra
hg commit -d '3 0' -u test -m "L1"

sed -e 's/c2/l2/' common > common.new
mv common.new common
hg commit -d '4 0' -u test -m "L2"

hg glog  --template '{rev}: {desc}\n'

echo
echo '% Conflicting rebase'
hg rebase -s 3 -d 2 2>&1 | cleanoutput

echo
echo '% Abort'
hg rebase --abort 2>&1 | cleanoutput

hg glog  --template '{rev}: {desc}\n'