transaction: quietly rollback if no other changes than temporary files
If no actual change have been made, we don't really need to roll them back. We
only have to cleanup some temporary files and it seems reasonable to do that
quietly.
This will help us to use the transaction in wider context¹ without impacting the
user experience.
[1] as in Python context managers that lives longer.
#if no-windows
For debugging: this is a pretty simple test that is a good candidate
for tracking down network-related bugs. Sometimes a command in this
hangs, so having showstack pre-loaded is sometimes helpful. This also
gives us a test that at least proves showstack can be loaded.
$ cat >> $HGRCPATH <<EOF
> [extensions]
> showstack = $TESTDIR/../contrib/showstack.py
> EOF
#endif
$ hg init test
$ cd test
$ echo a > a
$ hg ci -Ama
adding a
$ cd ..
$ hg clone test test2
updating to branch default
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ cd test2
$ echo a >> a
$ hg ci -mb
Cloning with a password in the URL should not save the password in .hg/hgrc:
$ hg serve -p $HGPORT -d --pid-file=hg.pid -E errors.log
$ cat hg.pid >> $DAEMON_PIDS
$ hg clone http://foo:xyzzy@localhost:$HGPORT/ test3
requesting all changes
adding changesets
adding manifests
adding file changes
added 2 changesets with 2 changes to 1 files
new changesets cb9a9f314b8b:ba677d0156c1
updating to branch default
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ cat test3/.hg/hgrc
# example repository config (see 'hg help config' for more info)
[paths]
default = http://foo@localhost:$HGPORT/
# path aliases to other clones of this repo in URLs or filesystem paths
# (see 'hg help config.paths' for more info)
#
# default:pushurl = ssh://jdoe@example.net/hg/jdoes-fork
# my-fork = ssh://jdoe@example.net/hg/jdoes-fork
# my-clone = /home/jdoe/jdoes-clone
[ui]
# name and email (local to this repository, optional), e.g.
# username = Jane Doe <jdoe@example.com>
$ killdaemons.py
expect error, cloning not allowed
$ echo '[web]' > .hg/hgrc
$ echo 'allowpull = false' >> .hg/hgrc
$ hg serve -p $HGPORT -d --pid-file=hg.pid -E errors.log
$ cat hg.pid >> $DAEMON_PIDS
$ hg clone http://localhost:$HGPORT/ test4 # bundle2+
abort: authorization failed
[255]
$ hg clone http://localhost:$HGPORT/ test4 --config devel.legacy.exchange=bundle1
abort: authorization failed
[255]
$ killdaemons.py
serve errors
$ cat errors.log
$ req() {
> hg serve -p $HGPORT -d --pid-file=hg.pid -E errors.log
> cat hg.pid >> $DAEMON_PIDS
> hg --cwd ../test pull http://localhost:$HGPORT/
> killdaemons.py hg.pid
> echo % serve errors
> cat errors.log
> }
expect error, pulling not allowed
$ req
pulling from http://localhost:$HGPORT/
abort: authorization failed
% serve errors
$ cd ..