Update image-tools, and remove the duplicate Sirupsen/logrus vendor

[mtrmac]

Now that opencontainers/image-tools#176 has been merged, we can stop carrying two logrus checkouts.

Also re-vendors other packages, now that we can :)

@runcom PTAL.

[runcom]

Looks ok but some check fails

[mtrmac]

Yeah, on macOS (case-insensitive), because Travis does

git clone --depth=50 https://github.com/projectatomic/skopeo.git projectatomic/skopeo
cd projectatomic/skopeo
git fetch origin +refs/pull/426/merge:
git checkout -qf FETCH_HEAD

The initial clone is checked out as Sirupsen, with the duplicate sirupsen ignored. The checkout applies the diff, which removes Sirupsen (EDIT: the FS is case-preserving but case-insensitive, so removing sirupsen removes the other one), and there isn’t any logrus on the filesystem left.

A direct

 git clone -b single-logrus https://github.com/mtrmac/skopeo.git x

checks out the final state directly, with a sirupsen (lowercase only), and everything should work.

So, if it’s OK with you, let’s force merge this through (It does pass on Linux as is, at worst we would only break Mac again).

[mtrmac]

@runcom ?

[runcom]

So good to merge?!

[mtrmac]

Yes, I think it is good enough. Up to you whether my reasoning is sound enough.

[runcom]

It seems like I don't have power to merge?!

[mtrmac]

Me neither, and manual push is also refusing this:

remote: error: GH006: Protected branch update failed for refs/heads/master.
remote: error: Required status check "continuous-integration/travis-ci/pr" is failing.

I guess this is somewhere in the project settings.

[runcom]

@mtrmac ping

[mtrmac]

@runcom Rebased. The tests on macOS are still going to fail, as explained above, and you’ll need your admin permissions (if any) to override the tests and merge.

[mtrmac]

@runcom ping

[runcom]

I don't have power to merge unfortunately, @rhatdan maybe?

[rhatdan]

Nope not me

[runcom]

@jwhonce maybe? 👼