2.2.1

This is the release of opam 2.2.1.

Binaries and full archive are signed by the opam dev team (fingerprint 92C5 26AE 50DF 3947 0EB2 911B ED4C F1CA 67CB AA92).

Changelog:

Bug fixes

• Fix a regression in opam install --deps-only where the direct dependencies were not set as root packages [#6125 @rjbou]
• Fix a regression when fetching git packages where the resulting git repository could lead to unexpected outputs of git commands, by disabling shallow clone by default except when fetching an opam repositories [#6146 @kit-ty-kate - fix #6145]
• Mitigate curl/curl#13845 by falling back from --write-out to --fail if exit code 43 is returned by curl [#6168 @dra27 - fix #6120]

Build, test updates

• Synchronise opam-core.opam with opam-repository changes [#6043 @dra27]
• Fix and improve the release script and the creation of the opam-full-<version>.tar.gz archive [#6067 @kit-ty-kate]
• Improve and extend the tests [#6125 #6146 @rjbou]
• Improve the test infrastructure [#6079 #6081 @rjbou]

API changes

• ?full_fetch is now true by default instead of false [#6146 @kit-ty-kate - fix #6145]

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Note: the linux binaries were built using 34fb54e instead of the release tag