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exchange: ensure all outgoing subrepo references are present before pushing...
exchange: ensure all outgoing subrepo references are present before pushing We've run into occasional problems with people committing a repo, and then amending or rebasing in the subrepo. That makes it so that the revision in the parent can't be checked out, and the problem gets propagated on push. Mercurial already tries to defend against this sort of dangling reference by pushing *all* subrepo revisions first. This reuses the checks that trigger warnings in `hg verify` to bail on the push unless using `--force`. I thought about putting this on the server side, but at that point, all of the data has been transferred, only to bail out. Additionally, SCM Manager hosts subrepos in a location that isn't nested in the parent, so normal subrepo code would complain that the subrepo is missing when run on the server. Because the push command pushes subrepos before calling this exchange code, a subrepo will be pushed before the parent is verified. Not great, but no dangling references are exchanged, so it solves the problem. This code isn't in the loop that pushes the subrepos because: 1) the list of outgoing revisions is needed to limit the scope of the check 2) the loop only accesses the current revision, and therefore can miss subrepos that were dropped in previous commits 3) this code is called when pushing a subrepo, so the protection is recursive I'm not sure if there's a cheap check for the list of files in the outgoing bundle. If there is, that would provide a fast path to bypass this check for people not using subrepos (or if no subrepo changes were made). There's probably also room for verifying other references like tags. But since that doesn't break checkouts, it's much less of a problem. Differential Revision: https://phab.mercurial-scm.org/D7616
Yuya Nishihara - - Load All Authors

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Cargo.toml
29 lines | 716 B | application/toml | TOMLLexer
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Georges Racinet
rust-cpython: start cpython crate bindings...
 r41001 [package]
name = "hg-cpython"
version = "0.1.0"
authors = ["Georges Racinet <gracinet@anybox.fr>"]
Raphaël Gomès
rust: switch hg-core and hg-cpython to rust 2018 edition...
 r42828 edition = "2018"
Georges Racinet
rust-cpython: start cpython crate bindings...
 r41001
[lib]
name='rusthg'
crate-type = ["cdylib"]
[features]
Georges Racinet
rust-cpython: build and support for Python3...
 r41021 default = ["python27"]
Georges Racinet
rust-cpython: start cpython crate bindings...
 r41001
Yuya Nishihara
rust-cpython: prepare for writing tests that require libpython...
 r43583 # Features to build an extension module:
Yuya Nishihara
rust-cpython: drop direct dependency on python(27|3)_sys...
 r43485 python27 = ["cpython/python27-sys", "cpython/extension-module-2-7"]
Yuya Nishihara
rust-cpython: prepare for writing tests that require libpython...
 r43583 python3 = ["cpython/python3-sys", "cpython/extension-module"]
Georges Racinet
rust-cpython: build and support for Python3...
 r41021
Yuya Nishihara
rust-cpython: prepare for writing tests that require libpython...
 r43583 # Enable one of these features to build a test executable linked to libpython:
# e.g. cargo test --no-default-features --features python27-bin
python27-bin = ["cpython/python27-sys"]
python3-bin = ["cpython/python3-sys"]
Georges Racinet
rust-cpython: start cpython crate bindings...
 r41001
[dependencies]
hg-core = { path = "../hg-core" }
libc = '*'
[dependencies.cpython]
Yuya Nishihara
rust-cpython: bump cpython crates to 0.3...
 r43483 version = "0.3"
Georges Racinet
rust-cpython: start cpython crate bindings...
 r41001 default-features = false