Make tests work on Solaris:
- replacement for mktemp
- fall back if shell arithmetic doesn't work
- replacement for 'set -x' (which results look different with some shells)
- "FOO=bar; export FOO" instead of "export FOO=bar"
- don't use 'if ! ...'
#!/bin/sh -ex
umask 027
mkdir test1
cd test1
hg init
touch a b
hg add a b
hg ci -m "added a b" -d "0 0"
cd ..
mkdir test2
cd test2
hg init
hg pull ../test1
hg co
chmod +x a
hg ci -m "chmod +x a" -d "0 0"
cd ../test1
echo 123 >>a
hg ci -m "a updated" -d "0 0"
hg pull ../test2
hg heads
hg history
hg -v co -m
ls -l ../test[12]/a > foo
cut -b 0-10 < foo