tests/test-extension

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
# Test basic extension support

cat > foobar.py <<EOF
import os
from mercurial import commands

def uisetup(ui):
    ui.write("uisetup called\\n")
    ui.write("ui.parentui is%s None\\n" % (ui.parentui is not None
                                           and "not" or ""))

def reposetup(ui, repo):
    ui.write("reposetup called for %s\\n" % os.path.basename(repo.root))
    ui.write("ui %s= repo.ui\\n" % (ui == repo.ui and "=" or "!"))

def foo(ui, *args, **kwargs):
    ui.write("Foo\\n")

def bar(ui, *args, **kwargs):
    ui.write("Bar\\n")

cmdtable = {
    "foo": (foo, [], "hg foo"),
    "bar": (bar, [], "hg bar"),
}

commands.norepo += ' bar'
EOF
abspath=`pwd`/foobar.py

mkdir barfoo
cp foobar.py barfoo/__init__.py
barfoopath=`pwd`/barfoo

hg init a
cd a
echo foo > file
hg add file
hg commit -m 'add file'

echo '[extensions]' >> $HGRCPATH
echo "foobar = $abspath" >> $HGRCPATH
hg foo

cd ..
hg clone a b

hg bar
echo 'foobar = !' >> $HGRCPATH

echo '% module/__init__.py-style'
echo "barfoo = $barfoopath" >> $HGRCPATH
cd a
hg foo
echo 'barfoo = !' >> $HGRCPATH

cd ..
cat > empty.py <<EOF
'''empty cmdtable
'''
cmdtable = {}
EOF
emptypath=`pwd`/empty.py
echo "empty = $emptypath" >> $HGRCPATH
hg help empty
echo 'empty = !' >> $HGRCPATH

cat > debugextension.py <<EOF
'''only debugcommands
'''
def debugfoobar(ui, repo, *args, **opts):
    "yet another debug command"
    pass

cmdtable = {"debugfoobar": (debugfoobar, (), "hg debugfoobar")}
EOF
debugpath=`pwd`/debugextension.py
echo "debugextension = $debugpath" >> $HGRCPATH
hg help debugextension
hg --debug help debugextension
echo 'debugextension = !' >> $HGRCPATH