make readconfig take a filename instead of a file pointer as argument
catch parse error while reading a config file
add a testcase for parse error
#!/bin/sh
hg init
echo 123 > a
echo 123 > c
hg add a c
hg commit -m "first" -d "0 0" a c
echo 123 > b
hg status
echo 12 > c
hg status
hg add b
hg status
hg rm a
hg status
hg revert a
hg status
hg revert b
hg status
hg revert c
hg status
ls
true