Commit Graph

14 Commits

Author SHA1 Message Date
Hidde Beydals b7376ce94c gogit: allow checkout of commit without branch
This commit changes the `gogit` behavior for commit checkouts,
now allowing one to reference to just a commit while omitting any
branch reference. Doing this creates an Artifact with a
`HEAD/<commit>` revision.

If both a `branch` and `commit` are defined, the commit is expected
to exist within the branch. This results in a more efficient clone
of just the target branch, and also makes this change backwards
compatible.

Fixes #407
Fixes #315

Signed-off-by: Hidde Beydals <hello@hidde.co>
2021-10-27 00:43:31 +05:30
Hidde Beydals 5a1fcc213b git: standardise commit and (PGP) verification
This commit refactors the previous `Commit` interface into a
standardised `Commit` struct. This object contains sufficient
information for referencing, observating and (PGP) verification.

- `libgit2` commit checkout does now return `HEAD/<SHA1>` as
  the branch is not taken into account.
- `git2go` objects are now properly `Free`d everywhere
- `Verify` logic is tested.

Signed-off-by: Hidde Beydals <hello@hidde.co>
2021-10-27 00:43:31 +05:30
Hidde Beydals 0cf0d4e756 git: refactor AuthStrategy into AuthOptions
This commit moves the previous `AuthStrategy` wiring to a more generic
`AuthOptions`, breaking free from implementation specific details in
the `git` package.

Signed-off-by: Hidde Beydals <hello@hidde.co>
2021-10-27 00:43:31 +05:30
Hidde Beydals 4c94f88ebb libgit2: ensure original tag is used for TS lookup
This adds an additional selection candidate, to ensure test flakiness
happens more often.

Signed-off-by: Hidde Beydals <hello@hidde.co>
2021-10-22 13:19:34 +02:00
Hidde Beydals 56201f30fe libgit2: Free most objects
This commit ensures most of the `git2go` objects `Free` themselves from
the underlying C object.

Ensuring all objects are freed is not possible yet, due to the way
commits are wired in to facilitate verification later on. In a later
follow up, we should change this and e.g. validate as part of the
checkout process, and move the implementation specific authentication
configuration from `git` into `libgit2`.

Signed-off-by: Hidde Beydals <hello@hidde.co>
2021-10-22 12:01:45 +02:00
Hidde Beydals d9473d008c libgit2: add remaining checkout strategy tests
This commit is a follow up on 4dc3185c5f
and adds tests for the remaining checkout strategies, while
consolidating some of the logic.

The consolidated logic ensures that (SemVer) tag and commit checkouts
happen using the same "checkout detached HEAD" logic.
The branch checkout is left unmodified, and simply checks out at the
current HEAD of the given branch.

Signed-off-by: Hidde Beydals <hello@hidde.co>
2021-10-22 12:01:41 +02:00
Hidde Beydals e736493730 libgit2: correctly resolve (annotated) tags
In d0560e5 the SemVer implementations were aligned, and the logic was
simplified a bit (or so I thought). This did however result in the
introduction of a regression, as it failed to take "simple tags" into
account.

This commit ensures both are taken into account again, and ensures it
is now covered by a proper test.

Signed-off-by: Hidde Beydals <hello@hidde.co>
2021-10-21 17:10:43 +02:00
Hidde Beydals d3c27c37f8 Update github.com/libgit2/git2go to v31.6.1
This commit updates `github.com/libgit2/git2go` to `v31.6.1` (with
`libgit2` `1.1.1`), and changes the container image build process so
that it makes use of `ghcr.io/hiddeco/golang-with-libgit2`.

This image provides a pre-build dynamic `libgit2` dependency linked
against OpenSSL and LibSSH2 (without gcrypt), and a set of cross-compile
build tools (see
[rationale](https://github.com/hiddeco/golang-with-libgit2#rationale) and
[usage](https://github.co/hiddeco/golang-with-libgit2#usage) for more
detailed information).

The linked set of dependency should solve most known issues around
unsupport private key types, but does not resolve the issues with ECDSA*
and ED25519 hostkeys yet. Solving this requires a newer version of
`libgit2` (`>=1.2.0`), which currently does not seem to work properly
with `git2go/v32`.

Some small changes have been made to the `libgit2` package to address
(future) deprecations.

Signed-off-by: Hidde Beydals <hello@hidde.co>
2021-09-30 16:36:20 +02:00
Hidde Beydals d0560e5dbe Use same SemVer logic in both Git implementations
Signed-off-by: Hidde Beydals <hello@hidde.co>
2021-08-05 12:40:54 +02:00
Blake Burkhart 0df2b0e0f0 Fix tag checkout with libgit2
SetHeadDetached (git_repository_set_head_detached) only changes HEAD,
and does not actually checkout the files on disk. Use CheckoutHead with
the CheckoutForce Strategy to actually check the files out on disk.

Additionally add a test that validates the hash of a checked out file's
contents.

Previously, the hash of the desired tag was being reported as the
checked out revision by the GitRepository. However the wrong files were
checked out and an incorrect revision would be deployed by Flux.

Signed-off-by: Blake Burkhart <blake.burkhart@us.af.mil>
2021-06-28 20:03:11 -05:00
Stefan Prodan 664a568822
Add support for Git submodules with go-git
Signed-off-by: Stefan Prodan <stefan.prodan@gmail.com>
2021-03-30 13:00:13 +03:00
Michael Bridgen f7e08c4738 Tidy git clone errors
In some circumstances (that are rather hard to reproduce), cloning
from a GitLab repo gets a multiline response as described in
https://github.com/fluxcd/image-automation-controller/pull/115.

This uses the same remedy as in that PR, by calling the funcs provided
by fluxcd/pkg/gitutil on any error returned by libgit2 or gogit clone
operations.

Signed-off-by: Michael Bridgen <mikeb@squaremobius.net>
2021-03-03 13:41:53 +00:00
Hidde Beydals fac1afa2a8 Move `git/common` to `git`
Signed-off-by: Hidde Beydals <hello@hidde.co>
2021-02-08 14:05:05 +01:00
Hidde Beydals 7e63ef841c Rename Git packages to implementations
Signed-off-by: Hidde Beydals <hello@hidde.co>
2021-02-08 13:55:23 +01:00