tests: speed up builds with single-binary test bundles

Add support for single-block binaries that contain all libtests and
unit tests respectively.

Enable with:
- autotools:

tests: speed up builds with single-binary test bundles

Add support for single-block binaries that contain all libtests and
unit tests respectively.

Enable with:
- autotools: `--enable-test-bundles`
- cmake: `-DCURL_TEST_BUNDLES=ON`

(They are compatible with `--enable-unity` and `-DCMAKE_UNITY_BUILD=ON`
options, for further speed-up.)

Makes libtests and unit tests build _fast_, needing little disk space
even in static mode. Similar to CMake unity mode, but with a custom
script, also supporting autotools builds.

The price is having to deal with symbols/macros colliding between
`lib*.c` and `unit*.c` sources. Maybe with naming conventions or other
solutions this can be improved gradually and reduce the need for manual
intervention by `mk-bundle.mk`. I've included a script that does the bulk
of detecting name collisions.

Also:
- CI: enable test bundles.
- CI: build tests in more jobs.
- lib2305: fix FILE handle leak.
- unit1661: fix memleak found by torture test by releasing the `bufref`
structure in `unit_stop()` that was allocated in `unit_setup()`.
```
test 1661...[bufref unit tests]
Leak detected: memory still allocated: 13 bytes
allocated by /home/runner/work/curl/curl/tests/unit/unit1661.c:70
1661: torture FAILED: function number 1 in test.
```
Ref: https://github.com/curl/curl/actions/runs/10967279334/job/30456745290?pr=14772#step:8:41

Similar test suite builds with autotools default and cmake+bundle+unity:
- GHA/Linux: 33s vs 7s
https://github.com/curl/curl/actions/runs/10705668823/job/29681617374
- GHA/macOS 34s vs 2s
https://github.com/curl/curl/actions/runs/10705668813/job/29681632885
- GHA/FreeBSD: 15m25 vs 6m21 (full workflow time, ~qemu)
https://github.com/curl/curl/actions/runs/10705668811/job/29681607915
- GHA/Cygwin: 9m52 vs 32s
https://github.com/curl/curl/actions/runs/10705668809/job/29681609965
- GHA/MSYS2: 3m52 vs 14s
https://github.com/curl/curl/actions/runs/10705668808/job/29681624295
- GHA/mingw-w64: 5m45 vs 30s
https://github.com/curl/curl/actions/runs/10705668808/job/29681628787

Autotools test suite builds compared between master -> `--enable-test-bundles`:
- GHA/Linux: 33s -> 9s (run tests: 22m23 -> 20m44)
https://github.com/curl/curl/actions/runs/10710030193/job/29695932185
https://github.com/curl/curl/actions/runs/10967831456/job/30458220344
- GHA/macOS: 25s -> 4s (run tests: 2m58 -> 2m24)
https://github.com/curl/curl/actions/runs/10710030195/job/29695938444
https://github.com/curl/curl/actions/runs/10967831452/job/30458225762
- GHA/non-native (FreeBSD): 4m8 -> 3m12 (full workflow time, ~qemu)
https://github.com/curl/curl/actions/runs/10710030198/job/29695928401
https://github.com/curl/curl/actions/runs/10967831458/job/30458212692
- GHA/Cygwin: 9m25 -> 1m9 (run tests: 9m19 -> 3m28)
https://github.com/curl/curl/actions/runs/10710030212/job/29695928213
https://github.com/curl/curl/actions/runs/10967831453/job/30458213268
- GHA/MSYS2: 3m54 -> 32s (run tests: 6m3 -> 3m59)
https://github.com/curl/curl/actions/runs/10710030190/job/29704850591
https://github.com/curl/curl/actions/runs/10967831449/job/30459280005
- GHA/mingw-w64: 5m42 -> 1m5 (run tests: 7m41 -> 5m36)
https://github.com/curl/curl/actions/runs/10710030190/job/29704852058
https://github.com/curl/curl/actions/runs/10967831449/job/30459280862
- Azure MSYS2 mingw64 openssl: 38m55 -> 11m58
https://dev.azure.com/daniel0244/curl/_build/results?buildId=25546&view=logs&j=b58b8c59-0f61-52e9-0f9e-fad562a1e77f&t=0f9230a7-3b10-53ca-9938-700ece377c5e
https://dev.azure.com/daniel0244/curl/_build/results?buildId=25547&view=logs&jobId=39473db1-3945-55d5-deb5-c218fad88dce&j=b58b8c59-0f61-52e9-0f9e-fad562a1e77f&t=0f9230a7-3b10-53ca-9938-700ece377c5e
- Azure Ubuntu default: 2m15 -> 55s (all build)
https://dev.azure.com/daniel0244/curl/_build/results?buildId=25546&view=logs&j=9d58b9ac-e1e6-53b6-f83a-1f9f1d912522&t=a6b38d83-e7cf-5a9b-c762-a178412717b7
https://dev.azure.com/daniel0244/curl/_build/results?buildId=25547&view=logs&jobId=39473db1-3945-55d5-deb5-c218fad88dce&j=9d58b9ac-e1e6-53b6-f83a-1f9f1d912522&t=a6b38d83-e7cf-5a9b-c762-a178412717b7

Cmake test suite builds compared between master -> `-DCURL_TEST_BUNDLES=ON` + unity:
- GHA/Linux: 29s -> 7s (run tests: 4m50 -> 4m57, 20m43 -> 20m45)
https://github.com/curl/curl/actions/runs/10710030193/job/29695941814
https://github.com/curl/curl/actions/runs/10705668823/job/29681622201
- GHA/Linux old: 44s -> 13s (bundle+no unity) (run tests: 5m5 -> 5m6)
https://github.com/curl/curl/actions/runs/10718264094/job/29719794727
https://github.com/curl/curl/actions/runs/10718653175/job/29721009613
- GHA/macOS: 32s -> 2s (run tests: 2m43 -> 2m40)
https://github.com/curl/curl/actions/runs/10710030195/job/29695931956
https://github.com/curl/curl/actions/runs/10705668813/job/29681638937
- GHA/non-native (*BSD): inconclusive (full workflow time, ~qemu)
https://github.com/curl/curl/actions/runs/10710030198
https://github.com/curl/curl/actions/runs/10705668811
- GHA/Cygwin: 3m9 -> 32s
https://github.com/curl/curl/actions/runs/10710030212/job/29695929075
https://github.com/curl/curl/actions/runs/10705668809/job/29681609965
- GHA/MSYS2: 2m24 -> 14s
https://github.com/curl/curl/actions/runs/10710030190/job/29704850996
https://github.com/curl/curl/actions/runs/10705668808/job/29681624295
- GHA/mingw-w64: 3m56 -> 30s (run tests: 4m2 -> 3m52)
https://github.com/curl/curl/actions/runs/10710030190/job/29704852219
https://github.com/curl/curl/actions/runs/10705668808/job/29681631393
- GHA/mingw-w64-old: 7m19 -> 1m44 (run tests: 3m30 -> 2m53)
https://github.com/curl/curl/actions/runs/10710030190/job/29704849763
https://github.com/curl/curl/actions/runs/10705668808/job/29681622329
- GHA/MSVC: 3m22 -> 13s (run tests: 9m43 -> 4m22)
https://github.com/curl/curl/actions/runs/10710030190/job/29704850411
https://github.com/curl/curl/actions/runs/10705668808/job/29681623313
- AppVeyor CI MSVC 2008: 4m3 -> 45s (full build)
- AppVeyor CI MSVC 2010: 2m56 -> 1m8 (full build)
- AppVeyor CI MSVC 2022: 10m19 -> 2m23 (full build)
https://ci.appveyor.com/project/curlorg/curl/builds/50538455
https://ci.appveyor.com/project/curlorg/curl/builds/50536558
- AppVeyor CI total build time: 10m30 (master) -> 6m48 (unity) -> 4m5 (bundle) -> 3m24 (bundle+unity) -> 5m7 (bundle+unity+all jobs building tests)

Closes #14772

show more ...

GHA: speed up builds in torture jobs, tidy up

- use cmake with ninja.
- drop unnecessary packages.

Also:
- Linux: switch to Ubuntu 20.24 runner. Initially for newer packages

GHA: speed up builds in torture jobs, tidy up

- use cmake with ninja.
- drop unnecessary packages.

Also:
- Linux: switch to Ubuntu 20.24 runner. Initially for newer packages,
then left it there for variation and as canary.
- Linux: make it easier to enable valgrind by dropping `-n` tflags.
- Linux: show `curl -V` after build.
- Linux: sync job names with macOS.
- Linux, macOS: review and adjust job timeouts.
- Linux, macOS: sync job configs more:
Linux: enable libssh2, macOS: enable brotli, zstd, libssh2.
- macOS: prefer `source` (over manual `PATH` editing) for `venv` setup.
- macOS: drop redundant `-DENABLE_CURLDEBUG=ON`.
- macOS: drop redundant `-n` tflags. There is no valgrind on macOS.
- macOS: allow overriding test parallelism per job.
- macOS: unlock all disabled tests for torture jobs.

Speed-ups (configure/build stage):
- Linux !FTP: 83s -> 36s
before: https://github.com/curl/curl/actions/runs/10948030198/job/30398134647
after: https://github.com/curl/curl/actions/runs/10961987675/job/30440179978?pr=14972
- Linux FTP: 79s -> 32s
before: https://github.com/curl/curl/actions/runs/10948030198/job/30398137070
after: https://github.com/curl/curl/actions/runs/10961987675/job/30440182406?pr=14972
- macOS !FTP: 98s -> 29s
before: https://github.com/curl/curl/actions/runs/10960141275/job/30434081412?pr=14972
after: https://github.com/curl/curl/actions/runs/10960141275/job/30434082357?pr=14972
- macOS FTP: 129s -> 29s
before: https://github.com/curl/curl/actions/runs/10960141275/job/30434082041?pr=14972
after: https://github.com/curl/curl/actions/runs/10960141275/job/30434083050?pr=14972

Closes #14972

show more ...

autotools: add support for 'unity' builds, enable in CI

Implement the "unity" builds as known from CMake, but for autotools.
It's limited to `lib` and `src` (CMake also supports it in `t

autotools: add support for 'unity' builds, enable in CI

Implement the "unity" builds as known from CMake, but for autotools.
It's limited to `lib` and `src` (CMake also supports it in `tests`).

Enable with: `--enable-unity` (disabled by default)

Unity builds speed up builds significantly. Cygwin and Windows builds in
particular, but the effect is noticeable on most systems. It also allows
discovering unity issues with autotools, benefitting also CMake when
building the same combination. In CI it makes turnaround times quicker.

This closes build performance with CMake. autotools still lags behind
because it builds shared and static libcurl in two, separate passes.
CMake does it in one. Manpage compilation isn't batched, it is in CMake.
After unity and test bundle support the slowest parts of the build are
the configuration phase (which is effectively a tedious, non-parallel,
compilation and/or linking of 300+ tiny programs. The next bottleneck
is compiling individual examples and finally test servers (only slow
with autotools).

The autotools implementation is slightly less efficient than CMake,
because 3 sources are permanently excluded while in CMake this isn't
necessary and solved more efficiently while building libtests. There is
also no 'unity' support for tests, making them a less efficient also.

Enable it in CI for most `configure` jobs. Except in GHA/dist (though
it works fine there too), to use the default config there. Also skip for
the Linux AWC-LC job where it made builds time a few seconds longer
(reason undiscovered.)

Autotools test suite builds compared between master -> `--enable-unity`:
- GHA/Linux: 32s -> 12s
https://github.com/curl/curl/actions/runs/10705668823/job/29681617374
https://github.com/curl/curl/actions/runs/10742978889/job/29796766297
- GHA/macOS: 37s -> 10s
https://github.com/curl/curl/actions/runs/10705668813/job/29681632885
https://github.com/curl/curl/actions/runs/10742978699/job/29796768875
- GHA/FreeBSD: 15m25 -> 10m58 (full workflow time, ~qemu)
https://github.com/curl/curl/actions/runs/10705668811/job/29681607915
https://github.com/curl/curl/actions/runs/10742978937/job/29796766115
- GHA/Cygwin: 3m32 -> 1m21
https://github.com/curl/curl/actions/runs/10705668809/job/29681609965
https://github.com/curl/curl/actions/runs/10742978645/job/29796756933
- GHA/MSYS2: 2m42 -> 50s
https://github.com/curl/curl/actions/runs/10705668808/job/29681621166
https://github.com/curl/curl/actions/runs/10742978662/job/29799739289
- GHA/mingw-w64: 5m32 -> 1m23
https://github.com/curl/curl/actions/runs/10705668808/job/29681628787
https://github.com/curl/curl/actions/runs/10742978662/job/29799741568

Closes #14815

show more ...

GHA: keep default pkgconf, do not replace with pkg-config on Linux

Ubuntu has the `pkgconf` package installed by default that implements
the `pkg-config` command. Switch CI `apt` command

GHA: keep default pkgconf, do not replace with pkg-config on Linux

Ubuntu has the `pkgconf` package installed by default that implements
the `pkg-config` command. Switch CI `apt` commands over to `pkgconf`
to avoid replacing it in every job run.

Avoids:
```
The following packages will be REMOVED:
pkgconf r-base-dev
The following NEW packages will be installed:
[...] pkg-config [...]
```
https://github.com/curl/curl/actions/runs/10949915766/job/30404126342?pr=14972#step:2:20

Closes #14974

show more ...

GHA/torture: bump test parallelism to `-j10`

- Linux !FTP: 21m43 -> 5m15
- Linux FTP: 14m55 -> 3m34

before: https://github.com/curl/curl/actions/runs/10944468673
after: http

GHA/torture: bump test parallelism to `-j10`

- Linux !FTP: 21m43 -> 5m15
- Linux FTP: 14m55 -> 3m34

before: https://github.com/curl/curl/actions/runs/10944468673
after: https://github.com/curl/curl/actions/runs/10945446163

Closes #14970

show more ...

CI: move Azure jobs to GHA, fix fallouts, sshserver, runtests tweaks

CI:

- GHA/windows: enable OpenSSH server, SysInternals `handle`, `impacket`.
Skip `impacket` on MSYS2 due

CI: move Azure jobs to GHA, fix fallouts, sshserver, runtests tweaks

CI:

- GHA/windows: enable OpenSSH server, SysInternals `handle`, `impacket`.
Skip `impacket` on MSYS2 due to install failure.
Skip OpenSSH server for old/standalone mingw-w64 (building curl
without SSH there.)
- GHA/windows: make test tool installs a separate step.
- GHA/cygwin: enable OpenSSH server.
Skip `impacket`: it's compiling for 7 minutes then breaks.
Skip `stunnel` due to sluggish test run performance.
(This update is unrelated to Azure jobs.)
- GHA/linux: migrate Linux jobs from Azure CI.
- GHA/linux: migrate scanbuild job from Azure CI.
- GHA/linux: enable libssh2 in a job. Also enable valgrind.
- CI/windows: enable SSPI in two jobs.
- CI/windows: disable zlib in one more job.
- CI/windows: improve `if` condition checking GnuTLS.
- CI/windows: ignore SFTP/SCP tests as necessary.
- universally ignore SCP tests, they fail everywhere.
- ignore test 612.
- ignore test 613 616 618 with MSYS2 mingw-w64.
- ignore test 614 with libssh.
- ignore all SFTP with MSYS2 native.
- ignore all SFTP with vcpkg with `libssh2[core,zlib]`.
- ignore a couple of SFTP tests with MSYS2 mingw-w64.
(This matches settings on Azure CI.)
- GHA/windows: ignore failing 1451 'Basic SMB request' test for
old mingw-w64 7.3.0 (but not for 9.5.0!):
```
2024-09-11 21:45:59,738 ERROR smbComNegotiate: b'NT LM 0.12\x00' is not in list
[...]
curl: (7) Could not connect to server
[...]
FAIL 1451: 'Basic SMB request' SMB
```
Ref: https://github.com/curl/curl/actions/runs/10816280746/job/30007130770#step:13:3546
- CI/Azure: delete, now moved to GHA.

sshserver:

- sshserver: fix permissions for SSH host key on Windows, allowing sshd
to launch.
- sshserver: fix initializing config paths with Cygwin/MSYS2 sshd.
- sshserver: fix initializing config paths in parallel builds.
- sshserver: delete redundant `DenyUsers`. This also opens the way
to allow multiple usernames.
- sshserver: fix `AllowUsers` for GHA/windows, by allowing the
domainless username again.
Follow-up to 3ee7c676ec8ef32e3a9cb4d0fb2929a8335d58db #5721
- sshserver: fix `Deprecated option` warnings in `sshd_config`:
```
D:/a/curl/curl/bld/tests/log/2/server/curl_sshd_config line 7: Deprecated option AuthorizedKeysFile2
D:/a/curl/curl/bld/tests/log/2/server/curl_sshd_config line 25: Deprecated option KeyRegenerationInterval
D:/a/curl/curl/bld/tests/log/2/server/curl_sshd_config line 35: Deprecated option RhostsRSAAuthentication
D:/a/curl/curl/bld/tests/log/2/server/curl_sshd_config line 36: Deprecated option RSAAuthentication
D:/a/curl/curl/bld/tests/log/2/server/curl_sshd_config line 37: Deprecated option ServerKeyBits
D:/a/curl/curl/bld/tests/log/2/server/curl_sshd_config line 41: Deprecated option UseLogin
```
- sshserver: fix `Deprecated option` warnings in `ssh_config` with
Cygwin/MSYS2.
- sshserver: fix dumping config files due to the filenames missing their
full paths.
- sshserver: add workaround to make `logmsg` messages visible.
Before this patch they only went to a file and never shown.

runtests:

- runtests: log details when these Windows commands are called:
`handle`, `taskkill`, `tasklist`.
- runtests: add documentation links to Windows tools:
`handle`, `taskkill`, `tasklist`, `icacls`.
- runtests: add `-t` (kill whole tree) option to `taskkill` in
`servers.pm`, syncing it with the other `taskkill` call.
Follow-up to bc72a78a11764558639131d51fa8e7c81ee1e113 #14488
- runtests: show warning if Sysinternals `handle` tool is missing.
- runtests: drop Windows XP Home compatibility `tskill` call.
The call was made on all Windows versions. It's possibly overkill to
do this, because XP Home is probably rarely used for running curl
tests these days. In case it's needed, it'd be better to put it under
an explicit option.
- runtests: show Perl version and path.

Fix/silence fallouts:

- unit2603: fix building with disabled HTTP support.
- unit2604: silence `-Woverlength-strings` warnings in C89 mode.
- test437, test1614: fix to pass with no-IPv6 builds.

Closes #14859

show more ...

GHA: add yamlcheck

Uses `yamllint`.

Also:
- fix warning for existing YAML files:
```
[truthy] truthy value should be one of [false, true]
```

Closes #

GHA: add yamlcheck

Uses `yamllint`.

Also:
- fix warning for existing YAML files:
```
[truthy] truthy value should be one of [false, true]
```

Closes #14650

show more ...

GHA/non-native: improve, migrate x86_64 FreeBSD with tests from Cirrus CI

- run tests via `make test-ci` instead of `make check` with autotools.
- add `x86_64` job for FreeBSD, with test

GHA/non-native: improve, migrate x86_64 FreeBSD with tests from Cirrus CI

- run tests via `make test-ci` instead of `make check` with autotools.
- add `x86_64` job for FreeBSD, with tests.
It matches the existing Cirrus CI job, with these differences:
- finishes 3x faster (thanks to parallel tests enabled).
- librtmp is not enabled because it's slated for removal by FreeBSD.
(already past the removal deadline, thought the package still
installs.)
- DICT and TELNET servers fail to start. Couldn't figure out why.
It means skipping test 1450 and 1452.
- it runs more tests, e.g. websockets and ip6-localhost.
- no `pkg update -f`.
- it misses the `CRYPTOGRAPHY_DONT_BUILD_RUST=1`, `pkg delete curl`,
`chmod 777`, `sudo -u nobody` and `sysctl net.inet.tcp.blackhole`
tricks. The latter is the default in these runners, the others did
not affect results.
- set `-j0` for tests in the NetBSD job. Flaky otherwise.

Closes #14244

show more ...

GHA: update pinned actions

- github/codeql-action digest to 23acc5c
- actions/checkout digest to 692973e
- rojopolis/spellcheck-github-actions digest to d354a4d

Closes #1393

GHA: update pinned actions

- github/codeql-action digest to 23acc5c
- actions/checkout digest to 692973e
- rojopolis/spellcheck-github-actions digest to d354a4d

Closes #13935
Closes #13945
Closes #13946

show more ...

GHA: bump all build jobs to nproc+1

- bump rest of the workflows (windows, macos, distrocheck).

- non-native virtualized envs have 2 CPUs, bump down accordingly.
(for `vmactio

GHA: bump all build jobs to nproc+1

- bump rest of the workflows (windows, macos, distrocheck).

- non-native virtualized envs have 2 CPUs, bump down accordingly.
(for `vmactions/omnios-vm` it's just a guess.)

- bump all to nproc + 1.

Follow-up to e838b341a08b44d4a8486fb0d3f15d12fc794c62 #12927
Closes #13807

show more ...

GHA: adjust parallel job counts

Adjusts the `make -j` flag to match the latest GitHub-hosted runner
hardware specs[^1]:

- `ubuntu-latest` on 4 CPU cores
- `macos-latest` o

GHA: adjust parallel job counts

Adjusts the `make -j` flag to match the latest GitHub-hosted runner
hardware specs[^1]:

- `ubuntu-latest` on 4 CPU cores
- `macos-latest` on 3 CPU cores

The processor count is ideally obtained from `nproc`, but setting env
vars from the current CI yaml files is not possible because they expect
literal strings.

[^1]: https://docs.github.com/en/actions/using-github-hosted-runners/about-github-hosted-runners/about-github-hosted-runners#standard-github-hosted-runners-for-public-repositories

Closes #12927

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CI: disable dependency tracking in most autotools builds

For better build performance. Dependency tracking causes a build
overhead while compiling to help a subsequent build, but in CI t

CI: disable dependency tracking in most autotools builds

For better build performance. Dependency tracking causes a build
overhead while compiling to help a subsequent build, but in CI there is
never one and the extra work is discarded.

Closes #13794

show more ...

GHA: bump actions/checkout from 4.1.4 to 4.1.6

Bumps [actions/checkout](https://github.com/actions/checkout) from 4.1.4 to 4.1.6.
- [Release notes](https://github.com/actions/checkout/re

GHA: bump actions/checkout from 4.1.4 to 4.1.6

Bumps [actions/checkout](https://github.com/actions/checkout) from 4.1.4 to 4.1.6.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](https://github.com/actions/checkout/compare/0ad4b8fadaa221de15dcec353f45205ec38ea70b...a5ac7e51b41094c92402da3b24376905380afc29)

---
updated-dependencies:
- dependency-name: actions/checkout
dependency-type: direct:production
update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Closes #13720

show more ...

GHA: pin dependencies

Closes #13628

ci: remove microsoft-prod.list

This is added by default, and it is often broken, but we don't need
anything from it.

Closes #13473

appveyor: replace PowerShell with bash + parallel autotools

PowerShell works (after a steep development curve), but one property of
it stuck and kept causing unresolvable usability issue

appveyor: replace PowerShell with bash + parallel autotools

PowerShell works (after a steep development curve), but one property of
it stuck and kept causing unresolvable usability issues: With
`$ErrorActionPreference=Stop`, it does abort on failures, but shows only
the first line of the error message. In `Continue` mode, it shows the
full error message, but doesn't stop on all errors. Another issue is
PowerShell considering any stderr output as if the command failed (this
has been improved in 7.2 (2021-Nov), but fixed versions aren't running
in CI and will not be for a long time in all test images.)

Thus, we're going with bash.

Also:
- use `-j2` with autotools tests, making them finish 5-15 minutes per
job faster.
- omit `POSIX_PATH_PREFIX`.
- use `WINDIR`.
- prefer forward slashes.

Follow-up to: 75078a415d9c769419aed4153d3d525a8eba95af #11999
Ref: #12444

Fixes #12560
Closes #12572

show more ...

tidy-up: fix yamllint whitespace issues

Closes #12466

gha: bump actions to latest versions

- actions@checkout@v4 (from v3 and v2)

- fsfe/reuse-action@v2 (from v1)

Closes #12000

CI: enable parallel make in more builds

Most CI services provide at least two cores, so enable parallel make
jobs to take advantage of that for builds. Some dependencies aren't safe

CI: enable parallel make in more builds

Most CI services provide at least two cores, so enable parallel make
jobs to take advantage of that for builds. Some dependencies aren't safe
to build in parallel so leave those as-is. Also, rename a few
workflows to eliminate duplicate names and provide a better idea what
they're about.

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CI: skip some more builds when possible

When a commit only contains tests, documentation, or cmake files, skip
those builds that aren't affected by those.

The file filters avail

CI: skip some more builds when possible

When a commit only contains tests, documentation, or cmake files, skip
those builds that aren't affected by those.

The file filters available on the CI services don't seem to allow
skipping individual jobs, only the entire workflow, so we can't get any
more fine-grained than this.

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CI: don't run CI jobs if only another CI was changed

Also skip builds on non-Windows platforms when only Windows build files
have changed.

This should reduce the number of usele

CI: don't run CI jobs if only another CI was changed

Also skip builds on non-Windows platforms when only Windows build files
have changed.

This should reduce the number of useless builds and the associated
waiting time and chance of spurious failures, freeing resources for
new PRs.

Closes #10742

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GHA: enable websockets in the torture job

Closes #10448

copyright: update all copyright lines and remove year ranges

- they are mostly pointless in all major jurisdictions
- many big corporations and projects already don't use them
- save

copyright: update all copyright lines and remove year ranges

- they are mostly pointless in all major jurisdictions
- many big corporations and projects already don't use them
- saves us from pointless churn
- git keeps history for us
- the year range is kept in COPYING

checksrc is updated to allow non-year using copyright statements

Closes #10205

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GHA: ignore changes to md files for most workflows

Closes #10176

GHA: clarify workflows permissions, set least possible privilege

Set top-level permissions to None on all workflows, setting per-job
permissions. This avoids that new jobs inherit unwant

GHA: clarify workflows permissions, set least possible privilege

Set top-level permissions to None on all workflows, setting per-job
permissions. This avoids that new jobs inherit unwanted permissions.

Discussion: https://curl.se/mail/lib-2022-11/0028.html

Signed-off-by: Diogo Teles Sant'Anna <diogoteles@google.com>

Closes #9928

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