(for PR #21050)

2022-04-07 12:56.07: New job: build conf-python-3.9.0.0, using opam 2.1
                              from https://github.com/ocaml/opam-repository.git#refs/pull/21050/head (408cb884f1855ff33d5c4b904ad54843ed97f9c6)
                              on archlinux-ocaml-4.14/amd64

To reproduce locally:

git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/21050/head" && git reset --hard 408cb884
git fetch origin master
git merge 4d72a962379797389a56c9429260f356d6033ac7
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:archlinux-ocaml-4.14@sha256:96a14027cef50dad3cf37ae6172783d9b06903c982e8330d3960a3af53ed58f6
USER 1000:1000
WORKDIR /home/opam
RUN for pkg in $(opam pin list --short); do opam pin remove "$pkg"; done
RUN opam repository remove -a multicore || true
RUN sudo ln -f /usr/bin/opam-2.1 /usr/bin/opam
RUN opam init --reinit -ni
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMSOLVERTIMEOUT="500"
ENV OPAMPRECISETRACKING="1"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam pin add -k version -yn conf-python-3.9.0.0 9.0.0
RUN opam update --depexts
RUN opam remove conf-python-3.9.0.0 && opam install --deps-only conf-python-3.9.0.0 && opam install -v conf-python-3.9.0.0; \
    res=$?; \
    test "$res" != 31 && exit "$res"; \
    export OPAMCLI=2.0; \
    build_dir=$(opam var prefix)/.opam-switch/build; \
    failed=$(ls "$build_dir"); \
    for pkg in $failed; do \
    if opam show -f x-ci-accept-failures: "$pkg" | grep -qF "\"archlinux\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    done; \
    exit 1

END-OF-DOCKERFILE
docker build -f ../Dockerfile .

2022-04-07 12:56.07: Using cache hint "ocaml/opam:archlinux-ocaml-4.14@sha256:96a14027cef50dad3cf37ae6172783d9b06903c982e8330d3960a3af53ed58f6-conf-python-3.9.0.0-408cb884f1855ff33d5c4b904ad54843ed97f9c6"
2022-04-07 12:56.07: Using OBuilder spec:
((from ocaml/opam:archlinux-ocaml-4.14@sha256:96a14027cef50dad3cf37ae6172783d9b06903c982e8330d3960a3af53ed58f6)
 (user (uid 1000) (gid 1000))
 (workdir /home/opam)
 (run (shell "for pkg in $(opam pin list --short); do opam pin remove \"$pkg\"; done"))
 (run (shell "opam repository remove -a multicore || true"))
 (run (shell "sudo ln -f /usr/bin/opam-2.1 /usr/bin/opam"))
 (run (shell "opam init --reinit --config .opamrc-sandbox -ni"))
 (env OPAMDOWNLOADJOBS 1)
 (env OPAMERRLOGLEN 0)
 (env OPAMSOLVERTIMEOUT 500)
 (env OPAMPRECISETRACKING 1)
 (run (shell "rm -rf opam-repository/"))
 (copy (src .) (dst opam-repository/))
 (run (shell "opam repository set-url --strict default opam-repository/"))
 (run (shell "opam pin add -k version -yn conf-python-3.9.0.0 9.0.0"))
 (run (network host)
      (shell "opam update --depexts"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam remove conf-python-3.9.0.0 && opam install --deps-only conf-python-3.9.0.0 && opam install -v conf-python-3.9.0.0;\
             \n        res=$?;\
             \n        test \"$res\" != 31 && exit \"$res\";\
             \n        export OPAMCLI=2.0;\
             \n        build_dir=$(opam var prefix)/.opam-switch/build;\
             \n        failed=$(ls \"$build_dir\");\
             \n        for pkg in $failed; do\
             \n          if opam show -f x-ci-accept-failures: \"$pkg\" | grep -qF \"\\\"archlinux\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n        done;\
             \n        exit 1"))
)

2022-04-07 12:56.07: Waiting for resource in pool OCluster
2022-04-07 13:20.55: Waiting for worker...
2022-04-07 13:22.04: Got resource from pool OCluster
Building on x86-bm-2.ocamllabs.io
All commits already cached
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Updating files: 100% (25409/25409), done.
HEAD is now at 4d72a96237 Merge pull request #21082 from zoggy/opam-publish-chamo.3.0
Merge made by the 'recursive' strategy.
 .../conf-python-3.9.0.0/files/test.py              |  1 +
 packages/conf-python-3/conf-python-3.9.0.0/opam    | 33 ++++++++++++++++++++++
 2 files changed, 34 insertions(+)
 create mode 100644 packages/conf-python-3/conf-python-3.9.0.0/files/test.py
 create mode 100644 packages/conf-python-3/conf-python-3.9.0.0/opam

(from ocaml/opam:archlinux-ocaml-4.14@sha256:96a14027cef50dad3cf37ae6172783d9b06903c982e8330d3960a3af53ed58f6)
2022-04-07 13:23.01 ---> using "57abe833661a0f259696e053064bfd18bca000102291758d7b5423a0058330b6" from cache

/: (user (uid 1000) (gid 1000))

/: (workdir /home/opam)

/home/opam: (run (shell "for pkg in $(opam pin list --short); do opam pin remove \"$pkg\"; done"))
Ok, ocaml-base-compiler is no longer pinned to https://github.com/ocaml/ocaml/archive/4.14.0.tar.gz (version 4.14.0)
Already up-to-date.
Nothing to do.
# Run eval $(opam env) to update the current shell environment
2022-04-07 13:23.01 ---> using "ea1898b3dc196e426d93bb0d1db1af5917b1990eff18d36c117a7b21f2e84437" from cache

/home/opam: (run (shell "opam repository remove -a multicore || true"))
[WARNING] No configured repositories by these names found: multicore
2022-04-07 13:23.02 ---> using "36d342af479ac34fb44f3f76281370f1c10153818861c05723b11f70e3588528" from cache

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-2.1 /usr/bin/opam"))
2022-04-07 13:23.02 ---> using "6332ec8d59cae1174ec555e7bbab3daa59831b82670addb281e187ee290f8034" from cache

/home/opam: (run (shell "opam init --reinit --config .opamrc-sandbox -ni"))
Configuring from /home/opam/.opamrc-sandbox, then /home/opam/.opamrc, and finally from built-in defaults.
Checking for available remotes: rsync and local, git.
  - you won't be able to use mercurial repositories unless you install the hg command on your system.
  - you won't be able to use darcs repositories unless you install the darcs command on your system.

This development version of opam requires an update to the layout of /home/opam/.opam from version 2.0 to version 2.1, which can't be reverted.
You may want to back it up before going further.

Continue? [Y/n] y
Format upgrade done.

<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>
[default] synchronised from file:///home/opam/opam-repository
2022-04-07 13:23.02 ---> using "2d527617880a4c54f06805676cbcfaaa5ce8d598805c15d038ebf1d357aba4e1" from cache

/home/opam: (env OPAMDOWNLOADJOBS 1)

/home/opam: (env OPAMERRLOGLEN 0)

/home/opam: (env OPAMSOLVERTIMEOUT 500)

/home/opam: (env OPAMPRECISETRACKING 1)

/home/opam: (run (shell "rm -rf opam-repository/"))
2022-04-07 13:23.02 ---> using "0f7d6042ecfaeba6747c2c475f2019c25e5cc9109b31a27c48f3f29aea43b992" from cache

/home/opam: (copy (src .) (dst opam-repository/))
2022-04-07 13:23.17 ---> saved as "167bbb5fac94893b0e79e679f45ecec8526b527953199202d3f80b15e3099e59"

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2022-04-07 13:23.44 ---> saved as "43ad301cb983cae8561312f3f9ce8fbeabc4fd76e9460761f5927a346bde0a40"

/home/opam: (run (shell "opam pin add -k version -yn conf-python-3.9.0.0 9.0.0"))
conf-python-3 is now pinned to version 9.0.0
2022-04-07 13:23.47 ---> saved as "58ac37ab199371d9bceebe7baf8f99cc71a6e2cbabf0bad2e03ee71aade8d989"

/home/opam: (run (network host)
                 (shell "opam update --depexts"))
+ /usr/sbin/sudo "pacman" "-Sy"
- :: Synchronizing package databases...
-  core downloading...
-  extra downloading...
-  community downloading...
2022-04-07 13:23.49 ---> saved as "b71103c67da15d6d9a39f513c24d2ccdc20afdb80f6903a61f267f09dd2414f5"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam remove conf-python-3.9.0.0 && opam install --deps-only conf-python-3.9.0.0 && opam install -v conf-python-3.9.0.0;\
                        \n        res=$?;\
                        \n        test \"$res\" != 31 && exit \"$res\";\
                        \n        export OPAMCLI=2.0;\
                        \n        build_dir=$(opam var prefix)/.opam-switch/build;\
                        \n        failed=$(ls \"$build_dir\");\
                        \n        for pkg in $failed; do\
                        \n          if opam show -f x-ci-accept-failures: \"$pkg\" | grep -qF \"\\\"archlinux\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n        done;\
                        \n        exit 1"))
[NOTE] conf-python-3.9.0.0 is not installed.

Nothing to do.
Nothing to do.
# Run eval $(opam env) to update the current shell environment
The following actions will be performed:
  ∗ install conf-python-3 9.0.0*

The following system packages will first need to be installed:
    python

<><> Handling external dependencies <><><><><><><><><><><><><><><><><><><><><><>
Let opam run your package manager to install the required system packages?
(answer 'n' for other options) [Y/n] y
+ /usr/sbin/sudo "pacman" "-Su" "--noconfirm" "python"
- :: Starting full system upgrade...
- resolving dependencies...
- looking for conflicting packages...
- 
- Package (4)     Old Version  New Version  Net Change  Download Size
- 
- core/kmod       29-2         29-3           0.00 MiB       0.11 MiB
- core/libnsl                  2.0.0-2        0.07 MiB       0.02 MiB
- core/libsecret  0.20.5-1     0.20.5-2       0.00 MiB       0.19 MiB
- core/python                  3.10.4-1      54.38 MiB      11.93 MiB
- 
- Total Download Size:   12.25 MiB
- Total Installed Size:  55.89 MiB
- Net Upgrade Size:      54.45 MiB
- 
- :: Proceed with installation? [Y/n] 
- :: Retrieving packages...
-  python-3.10.4-1-x86_64 downloading...
-  libsecret-0.20.5-2-x86_64 downloading...
-  kmod-29-3-x86_64 downloading...
-  libnsl-2.0.0-2-x86_64 downloading...
- checking keyring...
- checking package integrity...
- loading package files...
- checking for file conflicts...
- :: Processing package changes...
- installing libnsl...
- installing python...
- Optional dependencies for python
-     python-setuptools
-     python-pip
-     sqlite [installed]
-     mpdecimal: for decimal
-     xz: for lzma [installed]
-     tk: for tkinter
- upgrading kmod...
- upgrading libsecret...
- :: Running post-transaction hooks...
- (1/1) Arming ConditionNeedsUpdate...

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
Processing  2/3: [conf-python-3: python3 test.py]
+ /home/opam/.opam/opam-init/hooks/sandbox.sh "build" "python3" "test.py" (CWD=/home/opam/.opam/4.14/.opam-switch/build/conf-python-3.9.0.0)
- python-3 OK
λ compiled  conf-python-3.9.0.0
∗ installed conf-python-3.9.0.0
Done.
# Run eval $(opam env) to update the current shell environment
2022-04-07 13:24.28 ---> saved as "18aea1c2ae02f9befe875de833267b3aeab0507b0519b762a3165dea2bd52ce3"
Job succeeded
2022-04-07 13:24.41: Job succeeded