fix backtrace printed when cannot get lock.
change lock error handling code so exceptions have useful info and
exception handling in one place.
add test case for when cannot get lock.
pulling from ../test1
requesting all changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 2 changes to 2 files
(run 'hg update' to get a working copy)
pulling from ../test2
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files (+1 heads)
(run 'hg update' to get a working copy)
changeset: 2:b833d578451e
tag: tip
parent: 0:4536b1c2ca69
user: test
date: Mon Jan 12 13:46:40 1970 +0000
summary: chmod +x a
changeset: 1:a187cb361a5a
user: test
date: Mon Jan 12 13:46:40 1970 +0000
summary: a updated
changeset: 2:b833d578451e
tag: tip
parent: 0:4536b1c2ca69
user: test
date: Mon Jan 12 13:46:40 1970 +0000
summary: chmod +x a
changeset: 1:a187cb361a5a
user: test
date: Mon Jan 12 13:46:40 1970 +0000
summary: a updated
changeset: 0:4536b1c2ca69
user: test
date: Mon Jan 12 13:46:40 1970 +0000
summary: added a b
resolving manifests
merging a
resolving a
0 files updated, 1 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)
-rwxr-x---
-rwxr-x---