tests/test-branches

Improvement to 14ce129cfcd: Use try/except and pass filename on errors

Without the second part, the error message would be
  abort: Is a directory
instead of
  abort: Is a directory: /home/user/.cvspass

#!/bin/sh

hg init a
cd a
echo 'root' >root
hg add root
hg commit -d '0 0' -u test -m "Adding root node"

echo 'a' >a
hg add a
hg branch a
hg commit -d '1 0' -u test -m "Adding a branch"

hg branch q
echo 'aa' >a
hg branch -C
hg commit -d '2 0' -u test -m "Adding to a branch"

hg update -C 0
echo 'b' >b
hg add b
hg branch b
hg commit -d '2 0' -u test -m "Adding b branch"

echo 'bh1' >bh1
hg add bh1
hg commit -d '3 0' -u test -m "Adding b branch head 1"

hg update -C 2
echo 'bh2' >bh2
hg add bh2
hg commit -d '4 0' -u test -m "Adding b branch head 2"

echo 'c' >c
hg add c
hg branch c
hg commit -d '5 0' -u test -m "Adding c branch"

echo 'd' >d
hg add d
hg branch 'a branch name much longer than the default justification used by branches'
hg commit -d '6 0' -u test -m "Adding d branch"

hg branches
echo '-------'
hg branches -a

echo "--- Branch a"
hg log -b a

echo "---- Branch b"
hg log -b b