#!/bin/sh

hg init repo

cd repo

cat > a <<EOF

c

c

a

a

b

a

a

c

c

EOF

hg ci -Am adda

cat > a <<EOF

c

c

a

a

dd

a

a

c

c

EOF

echo '% default context'

hg diff --nodates

echo '% invalid --unified'

hg diff --nodates -U foo

echo '% --unified=2'

hg diff --nodates -U 2

echo '% diff.unified=2'

hg --config diff.unified=2 diff --nodates

echo '% diff.unified=2 --unified=1'

hg diff --nodates -U 1

echo '% invalid diff.unified'

hg --config diff.unified=foo diff --nodates

echo % test off-by-one error with diff -p

hg init diffp

cd diffp

echo a > a

hg ci -Ama

rm a

echo b > a

echo a >> a

echo c >> a

hg diff -U0 -p --nodates

exit 0