subrepo/svn: fix checked out rev number retrieval (issue2968)
The initial version was to take the "Revision" field from svn info. It works
but produces false positive when parent paths are being moved or unrelated
changes are being committed, causing it to change while the svn checkout itself
remains the same. To avoid spurious commit, we took "Revision" and "Last
Changed Rev" for general comparison and kept the latter to answer "what is your
revision?" question. This is better but fails when the subrepo path exists at
"Revision" but not at "Last Changed Rev". This patch adds a check for this, and
returns "Revision" if the path does not exist. We try to avoid doing this as
much as possible at it implies an extra, *remote* call.
Failed qimport of patches from files should cleanup by recording successfully
imported patches in series file.
$ echo "[extensions]" >> $HGRCPATH
$ echo "mq=" >> $HGRCPATH
$ hg init repo
$ cd repo
$ echo a > a
$ hg ci -Am'add a'
adding a
$ cat >b.patch<<EOF
> diff --git a/a b/a
> --- a/a
> +++ b/a
> @@ -1,1 +1,2 @@
> a
> +b
> EOF
empty series
$ hg qseries
qimport valid patch followed by invalid patch
$ hg qimport b.patch fakepatch
adding b.patch to series file
abort: unable to read file fakepatch
[255]
valid patches before fail added to series
$ hg qseries
b.patch
$ hg pull -q -r 0 . # update phase
$ hg qimport -r 0
abort: revision 0 is not mutable
(see "hg help phases" for details)
[255]