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Fix hg: "parse error at 0: not a prefix:" (#12373) 

Use two hypen argument `--rev=` instead of `-r=`

Co-authored-by: Efflam Lemaillet <elemaillet@logilab.fr>
Co-authored-by: Pradyun Gedam <pradyunsg@gmail.com>
This commit is contained in:
efflamlemaillet 2023-10-27 11:08:17 +02:00 committed by GitHub
parent 7aaca9f2c4
commit 6dbd9c68f0
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3 changed files with 3 additions and 2 deletions
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1
news/370392cf-52cd-402c-b402-06d2ff398f89.bugfix.rst Normal file
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@ -0,0 +1 @@
Fix mercurial revision "parse error": use ``--rev={ref}`` instead of ``-r={ref}``

2
src/pip/_internal/vcs/mercurial.py
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@ -31,7 +31,7 @@ class Mercurial(VersionControl):
@staticmethod
def get_base_rev_args(rev: str) -> List[str]:
return [f"-r={rev}"]
return [f"--rev={rev}"]
def fetch_new(
self, dest: str, url: HiddenText, rev_options: RevOptions, verbosity: int

2
tests/unit/test_vcs.py
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@ -66,7 +66,7 @@ def test_rev_options_repr() -> None:
# First check VCS-specific RevOptions behavior.
(Bazaar, [], ["-r", "123"], {}),
(Git, ["HEAD"], ["123"], {}),
(Mercurial, [], ["-r=123"], {}),
(Mercurial, [], ["--rev=123"], {}),
(Subversion, [], ["-r", "123"], {}),
# Test extra_args. For this, test using a single VersionControl class.
(