## Summary
We currently rely on libgit2 for most git-related functionality.
However, libgit2 has long-standing performance issues, as well as lags
significantly behind git in terms of new features. For these reasons we
now use the git CLI by default for fetching repositories
(https://github.com/astral-sh/uv/pull/1781). This PR completely drops
libgit2 in favor of the git CLI for all git-related functionality, which
should allow us to use features such as partial clones and sparse
checkouts in the future for performance.
There is also a lot of technical debt in the current git code as it's
mostly taken from Cargo. Switching to the git CLI *vastly* simplifies
the `uv-git` codebase.
Eventually we might want to look into switching to
[`gitoxide`](https://github.com/Byron/gitoxide), but it's currently too
immature for our use case.
It turns out that we use PubGrubPackage as the key in hashmaps in a fair
few places. And when we iterate over hashmaps, the order is unspecified.
This can in turn result in changes in output as a result of changes in
the PubGrubPackage definition, purely as a function of its changing
hash. This is confusing as there should be no semantic difference.
Thus, this is a precursor to introducing some more determinism to places
I found in the error reporting whose output depending on hashmap
iteration order.
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## Summary
Just fix typos.
While `alpha-numeric` is not really a misspelling:
- it is missing from mainstream curated dictionaries, all of them
suggest `alphanumeric`;
- it is less used than `alphanumeric` (more than ⨉10 less) according to
the Google [Ngram
Viewer](https://books.google.com/ngrams/graph?content=alpha-numeric%2Calphanumeric&year_start=1900&year_end=2019&corpus=en-2019);
- it is [missing from
SCOWL](http://app.aspell.net/lookup?dict=en_US-large;words=alpha-numeric).
## Test Plan
CI jobs.
## Summary
If we're given a Git reference like `20240222`, we currently treat it as
a short commit hash. However... it _could_ be a branch or a tag. This PR
improves the Git reference logic to ensure that ambiguous references
like `20240222` are handled appropriately, by attempting to extract it
as a branch, then a tag, then a short commit hash.
Closes https://github.com/astral-sh/uv/issues/2772.
## Summary
I noticed in #2769 that I was now stripping `.git` suffixes from Git
URLs after resolving to a precise commit. This PR cleans up the internal
caching to use a better canonical representation: a `RepositoryUrl`
along with a `GitReference`, instead of a `GitUrl` which can contain
non-canonical data. This gives us both better fidelity (preserving the
`.git`, along with any casing that the user provided when defining the
URL) and is overall cleaner and more robust.
## Summary
This PR changes our user-facing representation for paths to use relative
paths, when the path is within the current working directory. This
mirrors what we do in Ruff. (If the path is _outside_ the current
working directory, we print an absolute path.)
Before:
```shell
❯ uv venv .venv2
Using Python 3.12.2 interpreter at: /Users/crmarsh/workspace/uv/.venv/bin/python3
Creating virtualenv at: .venv2
Activate with: source .venv2/bin/activate
```
After:
```shell
❯ cargo run venv .venv2
Finished dev [unoptimized + debuginfo] target(s) in 0.15s
Running `target/debug/uv venv .venv2`
Using Python 3.12.2 interpreter at: .venv/bin/python3
Creating virtualenv at: .venv2
Activate with: source .venv2/bin/activate
```
Note that we still want to use the existing `.simplified_display()`
anywhere that the path is being simplified, but _still_ intended for
machine consumption (e.g., when passing to `.current_dir()`).
Address a few pedantic lints
lints are separated into separate commits so they can be reviewed
individually.
I've not added enforcement for any of these lints, but that could be
added if desirable.
Closes https://github.com/astral-sh/uv/issues/1775
Closes https://github.com/astral-sh/uv/issues/1452
Closes https://github.com/astral-sh/uv/issues/1514
Follows https://github.com/astral-sh/uv/pull/1717
libgit2 does not support host names with extra identifiers during SSH
lookup (e.g. [`github.com-some_identifier`](
https://docs.github.com/en/authentication/connecting-to-github-with-ssh/managing-deploy-keys#using-multiple-repositories-on-one-server))
so we use the `git` command instead for fetching. This is required for
`pip` parity.
See the [Cargo
documentation](https://doc.rust-lang.org/nightly/cargo/reference/config.html#netgit-fetch-with-cli)
for more details on using the `git` CLI instead of libgit2. We may want
to try to use libgit2 first in the future, as it is more performant
(#1786).
We now support authentication with:
```
git+ssh://git@<hostname>/...
git+ssh://git@<hostname>-<identifier>/...
```
Tested with a deploy key e.g.
```
cargo run -- \
pip install uv-private-pypackage@git+ssh://git@github.com-test-uv-private-pypackage/astral-test/uv-private-pypackage.git \
--reinstall --no-cache -v
```
and
```
cargo run -- \
pip install uv-private-pypackage@git+ssh://git@github.com/astral-test/uv-private-pypackage.git \
--reinstall --no-cache -v
```
with a ssh config like
```
Host github.com
Hostname github.com
IdentityFile=/Users/mz/.ssh/id_ed25519
Host github.com-test-uv-private-pypackage
Hostname github.com
IdentityFile=/Users/mz/.ssh/id_ed25519
```
It seems quite hard to add test coverage for this to the test suite, as
we'd need to add the SSH key and I don't know how to isolate that from
affecting other developer's machines.
First, replace all usages in files in-place. I used my editor for this.
If someone wants to add a one-liner that'd be fun.
Then, update directory and file names:
```
# Run twice for nested directories
find . -type d -print0 | xargs -0 rename s/puffin/uv/g
find . -type d -print0 | xargs -0 rename s/puffin/uv/g
# Update files
find . -type f -print0 | xargs -0 rename s/puffin/uv/g
```
Then add all the files again
```
# Add all the files again
git add crates
git add python/uv
# This one needs a force-add
git add -f crates/uv-trampoline
```
Ibraheem Ahmed
Andrew Gallant
Charlie Marsh
konsti
Dimitri Papadopoulos Orfanos
veryyet
Taniguchi Yasufumi
danieleades
Zanie Blue