Wed, 10 Jan 2018 10:49:12 -0800 bookmarks: use context managers for locks and transaction in pushbookmark()
Martin von Zweigbergk <martinvonz@google.com> [Wed, 10 Jan 2018 10:49:12 -0800] rev 35577
bookmarks: use context managers for locks and transaction in pushbookmark() Differential Revision: https://phab.mercurial-scm.org/D1840
Wed, 10 Jan 2018 10:47:13 -0800 bookmarks: use context managers for lock and transaction in update()
Martin von Zweigbergk <martinvonz@google.com> [Wed, 10 Jan 2018 10:47:13 -0800] rev 35576
bookmarks: use context managers for lock and transaction in update() Differential Revision: https://phab.mercurial-scm.org/D1839
Wed, 10 Jan 2018 10:44:21 -0800 phase: use context managers for lock and transaction
Martin von Zweigbergk <martinvonz@google.com> [Wed, 10 Jan 2018 10:44:21 -0800] rev 35575
phase: use context managers for lock and transaction Differential Revision: https://phab.mercurial-scm.org/D1838
Wed, 10 Jan 2018 10:33:11 -0800 obsolete: use context manager for transaction in pushmarker()
Martin von Zweigbergk <martinvonz@google.com> [Wed, 10 Jan 2018 10:33:11 -0800] rev 35574
obsolete: use context manager for transaction in pushmarker() Differential Revision: https://phab.mercurial-scm.org/D1837
Wed, 10 Jan 2018 10:32:16 -0800 obsolete: use context manager for lock in pushmarker()
Martin von Zweigbergk <martinvonz@google.com> [Wed, 10 Jan 2018 10:32:16 -0800] rev 35573
obsolete: use context manager for lock in pushmarker() Differential Revision: https://phab.mercurial-scm.org/D1836
Wed, 10 Jan 2018 10:30:51 -0800 obsolete: use context manager for transaction in createmarkers()
Martin von Zweigbergk <martinvonz@google.com> [Wed, 10 Jan 2018 10:30:51 -0800] rev 35572
obsolete: use context manager for transaction in createmarkers() Differential Revision: https://phab.mercurial-scm.org/D1835
Fri, 05 Jan 2018 09:12:08 +0100 visibility: improve the message when accessing filtered obsolete rev
Boris Feld <boris.feld@octobus.net> [Fri, 05 Jan 2018 09:12:08 +0100] rev 35571
visibility: improve the message when accessing filtered obsolete rev When trying to access filtered revision, it is likely because they have been obsoleted by an obs-marker. The current message shows how to access the revision anyway: abort: hidden revision '13bedc178fce'! But in the case of an obsoleted revision, the user is likely to want to update to or use the successor of the revision. We update the message to display more information about the obsolescence fate of the revision in the following cases: abort: hidden revision '13bedc178fce' is pruned! abort: hidden revision '13bedc178fce' has diverged! abort: hidden revision '13bedc178fce' was rewritten as X, Y and 2 more! Differential Revision: https://phab.mercurial-scm.org/D1591
Fri, 29 Dec 2017 03:37:36 +0530 tests: add b'' to string literals where bytes are required
Pulkit Goyal <7895pulkit@gmail.com> [Fri, 29 Dec 2017 03:37:36 +0530] rev 35570
tests: add b'' to string literals where bytes are required Since we are internally dealing with bytes only, we need to use bytes in the tests too. This is one of the many patches which will make all the tests completely use bytes. # skip-blame because we are just adding b'' Differential Revision: https://phab.mercurial-scm.org/D1788
Wed, 10 Jan 2018 08:53:22 -0800 rust: implementation of `hg`
Gregory Szorc <gregory.szorc@gmail.com> [Wed, 10 Jan 2018 08:53:22 -0800] rev 35569
rust: implementation of `hg` This commit provides a mostly-working implementation of the `hg` script in Rust along with scaffolding to support Rust in the repository. If you are familiar with Rust, the contents of the added rust/ directory should be pretty straightforward. We create an "hgcli" package that implements a binary application to run Mercurial. The output of this package is an "hg" binary. Our Rust `hg` (henceforth "rhg") essentially is a port of the existing `hg` Python script. The main difference is the creation of the embedded CPython interpreter is handled by the binary itself instead of relying on the shebang. In that sense, rhg is more similar to the "exe wrapper" we currently use on Windows. However, unlike the exe wrapper, rhg does not call the `hg` Python script. Instead, it uses the CPython APIs to import mercurial modules and call appropriate functions. The amount of code here is surprisingly small. It is my intent to replace the existing C-based exe wrapper with rhg. Preferably in the next Mercurial release. This should be achievable - at least for some Mercurial distributions. The future/timeline for rhg on other platforms is less clear. We already ship a hg.exe on Windows. So if we get the quirks with Rust worked out, shipping a Rust-based hg.exe should hopefully not be too contentious. Now onto the implementation. We're using python27-sys and the cpython crates for talking to the CPython API. We currently don't use too much functionality of the cpython crate and could have probably cut it out. However, it does provide a reasonable abstraction over unsafe {} CPython function calls. While we still have our fair share of those, at least we're not dealing with too much refcounting, error checking, etc. So I think the use of the cpython crate is justified. Plus, there is not-yet-implemented functionality that could benefit from cpython. I see our use of this crate only increasing. The cpython and python27-sys crates are not without their issues. The cpython crate didn't seem to account for the embedding use case in its design. Instead, it seems to assume that you are building a Python extension. It is making some questionable decisions around certain CPython APIs. For example, it insists that PyEval_ThreadsInitialized() is called and that the Python code likely isn't the main thread in the underlying application. It is also missing some functionality that is important for embedded use cases (such as exporting the path to the Python interpreter from its build script). After spending several hours trying to wrangle python27-sys and cpython, I gave up and forked the project on GitHub. Our Cargo.toml tracks this fork. I'm optimistic that the upstream project will accept our contributions and we can eventually unfork. There is a non-trivial amount of code in our custom Cargo build script. Our build.rs (which is called as part of building the hgcli crate): * Validates that the Python interpreter that was detected by the python27-sys crate provides a shared library (we only support shared library linking at this time - although this restriction could be loosened). * Validates that the Python is built with UCS-4 support. This ensures maximum Unicode compatibility. * Exports variables to the crate build allowing the built crate to e.g. find the path to the Python interpreter. The produced rhg should be considered alpha quality. There are several known deficiencies. Many of these are documented with inline TODOs. Probably the biggest limitation of rhg is that it assumes it is running from the ./rust/target/<target> directory of a source distribution. So, rhg is currently not very practical for real-world use. But, if you can `cargo build` it, running the binary *should* yield a working Mercurial CLI. In order to support using rhg with the test harness, we needed to hack up run-tests.py so the path to Mercurial's Python files is set properly. The change is extremely hacky and is only intended to be a stop-gap until the test harness gains first-class support for installing rhg. This will likely occur after we support running rhg outside the source directory. Despite its officially alpha quality, rhg copes extremely well with the test harness (at least on Linux). Using `run-tests.py --with-hg ../rust/target/debug/hg`, I only encounter the following failures: * test-run-tests.t -- Warnings emitted about using an unexpected Mercurial library. This is due to the hacky nature of setting the Python directory when run-tests.py detected rhg. * test-devel-warnings.t -- Expected stack trace missing frame for `hg` (This is expected since we no longer have an `hg` script!) * test-convert.t -- Test running `$PYTHON "$BINDIR"/hg`, which obviously assumes `hg` is a Python script. * test-merge-tools.t -- Same assumption about `hg` being executable with Python. * test-http-bad-server.t -- Seeing exit code 255 instead of 1 around line 358. * test-blackbox.t -- Exit code 255 instead of 1. * test-basic.t -- Exit code 255 instead of 1. It certainly looks like we have a bug around exit code handling. I don't think it is severe enough to hold up review and landing of this initial implementation. Perfect is the enemy of good. Differential Revision: https://phab.mercurial-scm.org/D1581
Sun, 07 Jan 2018 15:21:16 -0500 lfs: improve the error message for a missing remote blob
Matt Harbison <matt_harbison@yahoo.com> [Sun, 07 Jan 2018 15:21:16 -0500] rev 35568
lfs: improve the error message for a missing remote blob It seems better to print the name known to the user, not the internal file. The previous code unconditionally set 'p.filename'. That potentially made the attribute None, and would be printed as such in _gitlfsremote._checkforservererror() instead of "unknown". Normally, files are printed relative to CWD, but I don't see a way to get the repo path to make that adjustment. The test modified here apparently only runs within Facebook, but a print statement confirmed the name change. I tried uploading the blob to a different remote store (so the git server never saw it), and also killing the git server and removing the blob directory, and removing the 'lfs.db' file. All resulted in a message: abort: LFS server claims required objects do not exist: bdc26931acfb734b142a8d675f205becf27560dc461f501822de13274fe6fc8a! So I have no idea how to make this test generally runnable.
(0) -30000 -10000 -3000 -1000 -300 -100 -10 +10 +100 +300 +1000 +3000 +10000 tip