tests/test-convert-hg-sink

localrepo._tag: add a seek before writing the new tag

Some systems require a seek (or flush) between read and write
operations on the same file object.

This should fix issue838.

#!/bin/sh

echo "[extensions]" >> $HGRCPATH
echo "hgext.convert=" >> $HGRCPATH

hg init orig
cd orig
echo foo > foo
echo bar > bar
hg ci -qAm 'add foo and bar' -d '0 0'

hg rm foo
hg ci -m 'remove foo' -d '0 0'

mkdir foo
echo file > foo/file
hg ci -qAm 'add foo/file' -d '0 0'

hg tag -d '0 0' some-tag

hg log
cd ..

hg convert orig new 2>&1 | grep -v 'subversion python bindings could not be loaded'
cd new
hg out ../orig

echo '% dirstate should be empty:'
hg debugstate
hg parents -q

hg up -C
hg copy bar baz
echo '% put something in the dirstate:'
hg debugstate > debugstate
grep baz debugstate

echo '% add a new revision in the original repo'
cd ../orig
echo baz > baz
hg ci -qAm 'add baz'

cd ..
hg convert orig new 2>&1 | grep -v 'subversion python bindings could not be loaded'
cd new
hg out ../orig
echo '% dirstate should be the same (no output below):'
hg debugstate > new-debugstate
diff debugstate new-debugstate

echo '% no copies'
hg up -C
hg debugrename baz