#!/bin/sh

hg init a

echo line 1 > a/a

hg --cwd a ci -d '0 0' -Ama

echo line 2 >> a/a

hg --cwd a ci -u someone -d '1 0' -m'second change'

echo % import exported patch

hg clone -r0 a b

hg --cwd a export tip > tip.patch

hg --cwd b import ../tip.patch

echo % message should be same

hg --cwd b tip | grep 'second change'

echo % committer should be same

hg --cwd b tip | grep someone

rm -rf b

echo % import of plain diff should fail without message

hg clone -r0 a b

hg --cwd a diff -r0:1 > tip.patch

hg --cwd b import ../tip.patch

rm -rf b

echo % import of plain diff should be ok with message

hg clone -r0 a b

hg --cwd a diff -r0:1 > tip.patch

hg --cwd b import -mpatch ../tip.patch

rm -rf b

echo % import from stdin

hg clone -r0 a b

hg --cwd a export tip | hg --cwd b import -

rm -rf b

echo % override commit message

hg clone -r0 a b

hg --cwd a export tip | hg --cwd b import -m 'override' -

hg --cwd b tip | grep override

rm -rf b

cat > mkmsg.py <<EOF

import email.Message, sys

msg = email.Message.Message()

msg.set_payload('email commit message\n' + open('tip.patch').read())

msg['Subject'] = 'email patch'

msg['From'] = 'email patcher'

sys.stdout.write(msg.as_string())

EOF

echo % plain diff in email, subject, message body

hg clone -r0 a b

hg --cwd a diff -r0:1 > tip.patch

python mkmsg.py > msg.patch

hg --cwd b import ../msg.patch

hg --cwd b tip | grep email

rm -rf b

echo % plain diff in email, no subject, message body

hg clone -r0 a b

grep -v '^Subject:' msg.patch | hg --cwd b import -

rm -rf b

echo % plain diff in email, subject, no message body

hg clone -r0 a b

grep -v '^email ' msg.patch | hg --cwd b import -

rm -rf b

echo % plain diff in email, no subject, no message body, should fail

hg clone -r0 a b

grep -v '^\(Subject\|email\)' msg.patch | hg --cwd b import -

rm -rf b

echo % hg export in email, should use patch header

hg clone -r0 a b

hg --cwd a export tip > tip.patch

python mkmsg.py | hg --cwd b import -

hg --cwd b tip | grep second

rm -rf b