Fixed spacing/indentation, removed #! script header, added short description.
#!/bin/sh
set -e
mkdir r1
cd r1
hg init
echo a > a
hg addremove
hg commit -m "1" -d "0 0"
hg clone . ../r2
cd ../r2
hg up
echo abc > a
hg diff | sed -e "s/\(+++ [a-zA-Z0-9_/.-]*\).*/\1/" \
-e "s/\(--- [a-zA-Z0-9_/.-]*\).*/\1/"
cd ../r1
echo b > b
echo a2 > a
hg addremove
hg commit -m "2" -d "0 0"
cd ../r2
hg -q pull ../r1
hg status
hg parents
hg --debug up
hg parents
hg --debug up 0
hg parents
hg --debug up -m || echo failed
hg parents
hg --debug up
hg parents
hg -v history
hg diff | sed -e "s/\(+++ [a-zA-Z0-9_/.-]*\).*/\1/" \
-e "s/\(--- [a-zA-Z0-9_/.-]*\).*/\1/"
# create a second head
cd ../r1
hg up 0
echo b2 > b
echo a3 > a
hg addremove
hg commit -m "3" -d "0 0"
cd ../r2
hg -q pull ../r1
hg status
hg parents
hg --debug up || echo failed
hg --debug up -m || echo failed
hg --debug up -f -m
hg parents
hg diff | sed -e "s/\(+++ [a-zA-Z0-9_/.-]*\).*/\1/" \
-e "s/\(--- [a-zA-Z0-9_/.-]*\).*/\1/"