tests/test-archive-symlinks

run-tests.py: add a default --date "0 0" argument to commit et al

Part of test-tags was modified just to be sure this works.

The change in test-archive-symlinks is necessary to avoid a "helpful"
warning from GNU tar ("implausibly old time stamp 1970-01-01 00:00:00").

#!/bin/sh

"$TESTDIR/hghave" symlink || exit 80

origdir=`pwd`

cat >> readlink.py <<EOF
import os
import sys

for f in sys.argv[1:]:
    print f, '->', os.readlink(f)
EOF

hg init repo
cd repo
ln -s nothing dangling
# avoid tar warnings about old timestamp
hg ci -d '2000-01-01 00:00:00 +0000' -qAm 'add symlink'

hg archive -t files ../archive
hg archive -t tar -p tar ../archive.tar
hg archive -t zip -p zip ../archive.zip

echo '% files'
cd "$origdir"
cd archive
python ../readlink.py dangling

echo '% tar'
cd "$origdir"
tar xf archive.tar
cd tar
python ../readlink.py dangling

echo '% zip'
cd "$origdir"
unzip archive.zip > /dev/null
cd zip
python ../readlink.py dangling