Mirror middleware issues

[pavelzw]

[mirrors]
"https://my-custom-url/channel" = ["https://prefix.dev/conda-forge"]

[project]
name = "test-mirror"
channels = ["https://my-custom-url/channel"]
platforms = ["osx-arm64", "osx-64", "linux-64", "linux-aarch64", "win-64"]

[dependencies]
k9s = "*"

pixi list ends up with this pixi.lock:

version: 6
environments:
  default:
    channels:
    - url: https://my-custom-url/channel/
    packages:
      linux-64:
      - conda: https://my-custom-url/conda-forge/linux-64/k9s-0.40.5-he91c749_1.conda
      linux-aarch64:
      - conda: https://my-custom-url/conda-forge/linux-aarch64/k9s-0.40.5-hd24410f_1.conda
      osx-64:
      - conda: https://my-custom-url/conda-forge/osx-64/k9s-0.40.5-hc7f0b10_1.conda
      osx-arm64:
      - conda: https://my-custom-url/conda-forge/osx-arm64/k9s-0.40.5-h87715bd_1.conda
      win-64:
      - conda: https://my-custom-url/conda-forge/win-64/k9s-0.40.5-h36c15f3_1.conda
      - conda: https://my-custom-url/conda-forge/win-64/ucrt-10.0.22621.0-h57928b3_1.conda
      - conda: https://my-custom-url/conda-forge/win-64/vc-14.3-h2b53caa_26.conda
      - conda: https://my-custom-url/conda-forge/win-64/vc14_runtime-14.42.34438-hfd919c2_26.conda
packages:
- conda: https://my-custom-url/conda-forge/linux-64/k9s-0.40.5-he91c749_1.conda
  sha256: 24187f2d1a4d5922c9dddf17b6a0ff3746387a9aa540a18f5f5e0c9a9ee7ef13
  md5: 900661eac2fb25bce3e1d618ca34cb96
  depends:
  - __glibc >=2.17,<3.0.a0
  channel: https://my-custom-url/channel
  license: Apache-2.0
  license_family: APACHE
  size: 64636320
  timestamp: 1740174046433
- conda: https://my-custom-url/conda-forge/linux-aarch64/k9s-0.40.5-hd24410f_1.conda
  sha256: 565a366996c879d612080bde463a2cfc8fe7ca2ffe80f39043628a88a7e84044
  md5: 8491f96f95cbc224e1b58c3fd9b18a12
  channel: https://my-custom-url/channel
  license: Apache-2.0
  license_family: APACHE
  size: 60869261
  timestamp: 1740174079408
- conda: https://my-custom-url/conda-forge/osx-64/k9s-0.40.5-hc7f0b10_1.conda
  sha256: 88b9174cdeac0aa865afcbe6bdcbec3c8b2d0880a32b8c3dfffb3e8bfb711fc9
  md5: c439a27343e424a690172b9913645d3c
  depends:
  - __osx >=10.13
  constrains:
  - __osx >=10.12
  channel: https://my-custom-url/channel
  license: Apache-2.0
  license_family: APACHE
  size: 66064559
  timestamp: 1740174033467
- conda: https://my-custom-url/conda-forge/osx-arm64/k9s-0.40.5-h87715bd_1.conda
  sha256: 7799a04e53d78bafb0daeae2a88e632907eb40d612f973daa44a94dd72fa8bf8
  md5: 0af2ac6170a8d701addb03f948ed756c
  depends:
  - __osx >=11.0
  channel: https://my-custom-url/channel
  license: Apache-2.0
  license_family: APACHE
  size: 62454430
  timestamp: 1740174036650
- conda: https://my-custom-url/conda-forge/win-64/k9s-0.40.5-h36c15f3_1.conda
  sha256: 6a0e4329e12379f14c1c0f7008306c424a054390a29966459b80dc4a80c8e729
  md5: bdf2f361058dd5b238b3468b0f824f30
  depends:
  - vc >=14.3,<15
  - vc14_runtime >=14.42.34433
  - ucrt >=10.0.20348.0
  channel: https://my-custom-url/channel
  license: Apache-2.0
  license_family: APACHE
  size: 65739714
  timestamp: 1740174133760
- conda: https://my-custom-url/conda-forge/win-64/ucrt-10.0.22621.0-h57928b3_1.conda
  sha256: db8dead3dd30fb1a032737554ce91e2819b43496a0db09927edf01c32b577450
  md5: 6797b005cd0f439c4c5c9ac565783700
  constrains:
  - vs2015_runtime >=14.29.30037
  channel: https://my-custom-url/channel
  license: LicenseRef-MicrosoftWindowsSDK10
  size: 559710
  timestamp: 1728377334097
- conda: https://my-custom-url/conda-forge/win-64/vc-14.3-h2b53caa_26.conda
  sha256: 7a685b5c37e9713fa314a0d26b8b1d7a2e6de5ab758698199b5d5b6dba2e3ce1
  md5: d3f0381e38093bde620a8d85f266ae55
  depends:
  - vc14_runtime >=14.42.34433
  channel: https://my-custom-url/channel
  track_features:
  - vc14
  license: BSD-3-Clause
  license_family: BSD
  size: 17893
  timestamp: 1743195261486
- conda: https://my-custom-url/conda-forge/win-64/vc14_runtime-14.42.34438-hfd919c2_26.conda
  sha256: 30dcb71bb166e351aadbdc18f1718757c32cdaa0e1e5d9368469ee44f6bf4709
  md5: 91651a36d31aa20c7ba36299fb7068f4
  depends:
  - ucrt >=10.0.20348.0
  constrains:
  - vs2015_runtime 14.42.34438.* *_26
  channel: https://my-custom-url/channel
  license: LicenseRef-MicrosoftVisualCpp2015-2022Runtime
  license_family: Proprietary
  size: 750733
  timestamp: 1743195092905

We should not use https://my-custom-url/conda-forge but https://my-custom-url/channel there