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tests: use `--no-cache-dir` with `pip`...
tests: use `--no-cache-dir` with `pip` After 1a09563a615c, there's one more wheel that gets cached in the user's pip cache in the macOS CI runner. The wheel corresponds to the version being used for the tests, but it doesn't get cached until the 3rd or 4th test shard is run, so it's not an issue with installing to run the tests. This seems to eliminate that. This doesn't seem to be an issue on Windows or Linux in my setup. Windows not being affected is likely because we set `$USERPROFILE` to redirect the home directory to `$TESTTMP` when running tests, since 08fd76a553c9. (When checking with `"$PYTHON" -m pip cache dir`, it points to `$TESTTMP/pip/cache`.) We do also set `$HOME` to this same location when running posix tests, but I can't tell what's going on locally in Linux, because running `pip` directly in the *.t explodes, and `"$PYTHON" -m pip --version` prints `pip 9.0.1 from /usr/lib/python3/dist-packages`, so that's likely before caching was enabled[1]. Running `python3.8 -m pip --version` locally outside of the *.t (the same version used to invoke the test runner), prints `pip 24.2 from /home/mharbison/.local/lib/python3.8/site-packages/pip (python 3.8)`. In CI, both macOS and Linux print a modern version of `pip`, and list the cache as being under `$TESTTMP`, but then it doesn't end up there on macOS. No idea if it is a pip bug, or what. But let's be explict and disable caching. [1] https://github.com/pypa/pip/blob/fe0925b3c00bf8956a0d33408df692ac364217d4/docs/html/topics/caching.md?plain=1#L37

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r53221:519a997b stable
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manifest_corpus.py
36 lines | 1.4 KiB | text/x-python | PythonLexer
import argparse
import zipfile
ap = argparse.ArgumentParser()
ap.add_argument("out", metavar="some.zip", type=str, nargs=1)
args = ap.parse_args()
with zipfile.ZipFile(args.out[0], "w", zipfile.ZIP_STORED) as zf:
zf.writestr(
"manifest_zero",
'''\0PKG-INFO\09b3ed8f2b81095a13064402e930565f083346e9a
README\080b6e76643dcb44d4bc729e932fc464b3e36dbe3
hg\0b6444347c629cc058d478023905cfb83b7f5bb9d
mercurial/__init__.py\0b80de5d138758541c5f05265ad144ab9fa86d1db
mercurial/byterange.py\017f5a9fbd99622f31a392c33ac1e903925dc80ed
mercurial/fancyopts.py\0b6f52e23e356748c5039313d8b639cda16bf67ba
mercurial/hg.py\023cc12f225f1b42f32dc0d897a4f95a38ddc8f4a
mercurial/mdiff.py\0a05f65c44bfbeec6a42336cd2ff0b30217899ca3
mercurial/revlog.py\0217bc3fde6d82c0210cf56aeae11d05a03f35b2b
mercurial/transaction.py\09d180df101dc14ce3dd582fd998b36c98b3e39aa
notes.txt\0703afcec5edb749cf5cec67831f554d6da13f2fb
setup.py\0ccf3f6daf0f13101ca73631f7a1769e328b472c9
tkmerge\03c922edb43a9c143682f7bc7b00f98b3c756ebe7
''',
)
zf.writestr("badmanifest_shorthashes", "\0narf\0aa\nnarf2\0aaa\n")
zf.writestr(
"badmanifest_nonull",
"\0narf\0cccccccccccccccccccccccccccccccccccccccc\n"
"narf2aaaaaaaaaaaaaaaaaaaa\n",
)
zf.writestr(
"manifest_long_nodes",
"\1a\0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff\n",
)