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opam 2.1.0~rc2 released

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  • (*) Environment variables initialised only at opam client launch, no more via libraries [#4606 #4703 @rjbou]
  • (*) Deprecated build-doc, build-test, make flags [#4581 @rjbou]
  • (+) Add --confirm-level and OPAMCONFIRMLEVEL for automatic answering [#4582 @rjbou - fix #4168; #4683 @dra27 - fix #4682; #4691 @rjbou - fix #4682]
  • (+) Add --no [#4582 @rjbou]
  • (+) Add a --with-0install-solver option to the configure script to enable the 'builtin-0install' solver [#4646 @kit-ty-kate]
  • Add default cli mechanism: deprecated options are accepted (in the major version) if no cli is specified [#4575 @rjbou]
  • Add opam config deprecated subcommands in the default cli [#4575 @rjbou - fix #4503]
  • Add cli versioning for opam environment variables [#4606 @rjbou]
  • Add cli versioning for enums of flags with predefined enums [#4606 @rjbou]
  • Clearer messages about using --cli and OPAMCLI [#4655 @dra27]
  • The options --root and --switch are now reflected in environment variables when building packages so that calls to opam during build access the correct root and switch [#4668 @LasseBlaauwbroek]
  • Add cli versioning for enums of flags with predefined enums [#4626 @rjbou]
  • Preprocess --confirm-level for plugins calls/install [#4694 @rjbou]
  • Ensure the symlink for a plugin is maintained on each invocation [#4621 @dra27 - partially fixes #4619]
  • Initialise environment variables for plugins call/install [#4582 @rjbou]
  • Expect plugins to end in .exe on Windows [#4709 @dra27]
  • Introduce a default-invariant config field, restore the 2.0 semantics for default-compiler [#4607 @AltGr]
  • Fix default invariant with no system compiler [#4644 @AltGr - fix #4640]
  • Perform an hard upgrade on intermediate roots, ie root from 2.1~alpha/beta, and keep a light upgrade from 2.0 [#4638 @rjbou]
  • Send the 'opam root layout update' message to stderr [#4692 @AltGr]
  • If opam root is different from the binary, allow reading it and try to read in best effort mode [#4638 @rjbou - fix #4636]
  • Don't check opam system dependencies on reinit after a format upgrade [#4638 @rjbou]
  • Fix sys-ocaml-cc, sys-ocaml-arch and sys-ocaml-libc when no system compiler installed [#4706 @dra27]
  • Fix Not_found (config file) in config report [#4570 @rjbou]
  • Config report: Print variables of installed compilers and their (installed) dependencies [#4570 @rjbou]
  • Don't patch twice file [#4529 @rjbou]
  • With --deps-only, set dependencies as root packages [#4964 @rjbou - fix #4502]
  • Keep global lock only if root format upgrade is performed [#4612 @rjbou - fix #4597]
  • Improve installation times by only tracking files listed in .install instead of the whole switch prefix when there are no install: instructions (and no preinstall commands) [#4494 @kit-ty-kate @rjbou; #4667 @dra27 - fix #4422]
  • Scrub OPAM* environment variables added since 2.0 from package builds to prevent warnings when a package calls opam [#4663 @dra27 - fix #4660]
  • Correct the message when more than one depext is missing [#4678 @dra27]
  • Only display one conflict message when they are all owing to identical missing depexts [#4678 @dra27]
  • Don't exclude base packages from rebuilds (made some sense in opam 2.0 with base packages but doesn't make sense with 2.1 switch invariants) [#4569 @dra27]
  • Don't refer to base packages in messages any more [#4623 @dra27 - fixes #4572]
  • Give the correct command when demonstrating switch creation [#4675 @dra27 - fixes #4673]
  • On switch loading, if invariant is inferred and a write lock required, write the file [#4638 @rjbou]
  • Don't look for lock files for pin depends [#4511 @rjbou - fix #4505]
  • Fetch sources when pinning an already pinned package with a different url when using working directory [#4542 @rjbou - fix #4484]
  • Don't ask for confirmation for pinning base packages (similarly makes no sense with 2.1 switch invariants) [#4571 @dra27]
  • Fix version pin source retrieving: mustn't error if archive opam file is malformed [#4580 @rjbou]
  • opam list --silent renamed to --check [#4595 @dra27 - fix #4323]
  • Include doc field in opam-show [#4567 @dra27 - partially fix #4565]
  • Fix switch global variable resolving [#4685 @rjbou - fix #4684]
  • Fix hash package variable resolving [#4687 @rjbou]
  • Lint: Fix W59 & E60 for conf packages (no url required) [#4550 @rjbou - fix #4549]
  • Lint: Fix W59 & E60 with VCS urls, don't check upstream if url has VCS backend [#4635 @rjbou]
  • Lint: Add E67 checksum specified with non archive url [#4635 @rjbou]
  • Lint: Disable subpath warning E63,W64 [#4638 @rjbou]
  • Lint: Fix manpage listing [#4708 @rjbou]
  • Don't write lock file with --read-only', --safe, and --dryrun` [#4562 @rjbou - fix #4320]
  • Make opam lock consistent with opam install, on local pin always take last opam file even if uncommitted [#4562 @rjbou - fix #4320]
  • Opam file: Fix features parser [#4507 @rjbou]
  • Opam file: Rename hidden-version to avoid-version [#4527 @dra27]
  • Opam file: Fix rewriting with preserved format empty field error [#4634 @rjbou - fix #4628]
  • Opam file: Switch config: Defined invariant field as an option to differentiate when it is not defined [#4638 @rjbou]
  • Opam file: Differentiate bad format from bad (opam) version with Bad_version exception, raised from OpamFormat.check_opam_version [#4638 @rjbou]
  • Opam file: Always print the opam-version field on files [#4638 @rjbou]
  • Opam file: Config: add opam-root-version field as a marker for the whole opam root [#4638 @rjbou - fix #4636]
  • Opam file: Add BestEffort modules with reading functions that don't show errors, given the opam_file_format internal field [#4638 @rjbou - fix #4636]
  • Depext: Handle macport variants [#4509 @rjbou - fix #4297]
  • Depext: Always upgrade all the installed packages when installing a new package on Archlinux [#4556 @kit-ty-kate]
  • Depext: Handle some additional environment variables (OPAMASSUMEDEPEXTS, OPAMNODEPEXTS) [#4587 @AltGr]
  • Depext: Improve messages to hint that answering no doesn't abort installation [#4591 @AltGr]
  • Depext: Add support for non-interactive mode in macports [#4676 @kit-ty-kate]
  • Depext: Handling of packages of tagged repositories for alpine [#4700 @rjbou - fix #4670]
  • Depext: Clarify some assume-depexts related messages [#4671 @AltGr - partial fix #4662]
  • Depext: Warn the user if epel-release is missing and unavailable depexts are detected [#4679 @dra27 fix #4669]
  • Depext: Ignore config yes automatic answering when asking confirmation to run install commands [#4698 @rjbou - fix #4680]
  • Sandbox: Fix the conflict with the environment variable name used by dune [#4535 @smorimoto - fix ocaml/dune#4166]
  • Sandbox: Kill builds on Ctrl-C with bubblewrap [#4530 @kit-ty-kate - fix #4400]
  • Sandbox: Linux: mount existing TMPDIR read-only, re-bind $TMPDIR to a separate tmpfs [#4589 @AltGr]
  • Sandbox: Fix the sandbox check [#4589 @AltGr]
  • Sandbox: Fix sandbox script shell mistake that made PWD read-write on remove actions [#4589 @AltGr]
  • Sandbox: Port bwrap improvements to sandbox_exec [#4589 @AltGr]
  • Sandbox: Fix realpath use for macos, partial revert of #4589 [#4609 @AltGr]
  • Add missing shell quoting to support space and special shell characters in switch directory path [#4707 @kit-ty-kate]
  • Rename state.cache to include the OpamVersion.magic() string. All .cache files are deleted if any cache file is written to, allowing multiple versions of the library to co-exist without constantly regenerating it [#4642 @dra27 - fix #4554]
  • Fix Cudf preprocessing [#4534 #4627 @AltGr - fix #4624]
  • Allow to upgrade to a hidden-version package if a hidden-version package is already installed [#4525 @kit-ty-kate]
  • Add support for a few select criteria useful to CI to the 0install solver: +count[version-lag,solution] to always choose the oldest version available, +removed to not try to keep installed packages [#4631 @kit-ty-kate]
  • Fix opam-devel's tests on platforms without openssl, GNU-diff and a system-wide ocaml [#4500 @kit-ty-kate]
  • Use dune to run reftests [#4376 @emillon]
  • Restrict extlib and dose version [#4517 @kit-ty-kate]
  • Restrict to opam-file-format.2.1.2 [#4495 @rjbou]
  • Require opam-file-format.2.1.3+ in order to enforce opam-version: "2.1" as first non-comment line [#4639 @dra27 - fix #4394]
  • Switch to newer version of MCCS (based on newer GLPK) for src_ext [#4559 @AltGr]
  • Bump dune version to 2.8.2 [#4592 @AltGr]
  • Bump the minimal dune requirement to dune 1.11 [#4437 @dra27 @kit-ty-kate]
  • 4.12 compatibility [#4437 @dra27 @kit-ty-kate]
  • Cold compiler updated to 4.12 [#4616 @dra27]
  • Fix build from source when a dune-project file is presented in the parent directory [#4545 @kit-ty-kate]
  • Fix build from source when a dune-project file is presented in the parent directory [#4545 @kit-ty-kate - fix #4537]
  • Fix opam-devel.install not to install two files called opam [#4664 @dra27]
  • Build release tags as non-dev versions, as for release tarballs [#4665 @dra27 - fix #4656]
  • Disable dev version for tests (needed for format upgrade test) [#4638 @rjbou]
  • Add a hint for missing openssl in make cold [#4702 @rjbou]
  • Remove test field from opam-devel, they need the network [#4702 @rjbou]
  • Update src_ext for Dune and MCCS [#4704 @dra27]
  • Release scripts: switch to OCaml 4.10.2 by default, add macos/arm64 builds by default [#4559 @AltGr]
  • Release scripts: add default cli version check on full archive build [#4575 @rjbou]
  • Arg: Generalise mk_tristate_opt to mk_state_opt [#4575 @rjbou]
  • Arg: Fix mk_state_opt and rename to mk_enum_opt [#4626 @rjbou]
  • Arg: Add mk_enum_opt_all for state flags that appears more than once [#4582 @rjbou]
  • Fix opam exec on native Windows when calling cygwin executables [#4588 @AltGr]
  • Fix temporary file with a too long name causing errors on Windows [#4590 @AltGr]
  • CLI: Add flag deprecation and replacement helper [#4595 @rjbou]
  • Win32 Console: fix VT100 support [#3897 #4710 @dra27]
  • Tidied the opam files [#4620 @dra27]
  • Externalise cli versioning tools from OpamArg into OpamArgTools [#4606 @rjbou]
  • Each library defines its own environment variables, that fills the config record [#4606 @rjbou]
  • Harden cygpath wrapper [#4625 @dra27]
  • Reset the plugin symlinks when the root is upgraded [#4641 @dra27 - partial fix for #4619]
  • Formalise opam dev version detection with OpamVersion.is_dev_version [#4665 @dra27]
  • Add OpamStd.String.is_prefix_of [#4694 @rjbou @dra27]
  • Fix OpamStd.Format.pretty_list: last argument dropped if list contains more than 2 elements [#4694 @rjbou]
  • Run the shell hooks with closed stdin (bash, zsh) [#4692 @AltGr]
  • Improved and extended tests [#4376 #4504 #4545 #4612 #4668 #4612 #4634 #4672 #4638 #4702 #4697 #4697 @AltGr @dra27 @emillon @rjbou]
  • Improve Github Actions [#4593 #4575 #4610 #4610 #4618 #4606 #4695 #4695 @AltGr @dra27 @rjbou]
  • Improve documentation [#4496 #4506 #4513 #4637 #4681 #4702 @dannywillems @eth-arm @kit-ty-kate @rjbou @UnixJunkie]