chore(ci,docs): add CI, fix docs links, enforce SPM-only

.build/repositories/swift-atomics-7429e549/FETCH_HEAD

@@ -0,0 +1,92 @@
+9ea086d68314ebcf5ae8e48acbf306f6fdd6347d	not-for-merge	branch 'enable-swift-format' of https://github.com/apple/swift-atomics
+53d9464c12660a7b971ce14351bd3f3882005ca5	not-for-merge	branch 'main' of https://github.com/apple/swift-atomics
+b6c32c13cd7a6cc161c4818e44c60d812e58a016	not-for-merge	'refs/pull/100/head' of https://github.com/apple/swift-atomics
+9db6c56d8d7ddd561b03fa2f872d94993308aa13	not-for-merge	'refs/pull/101/head' of https://github.com/apple/swift-atomics
+f10f0313d26c3eafdc0f3de15b044645bc6d8200	not-for-merge	'refs/pull/102/head' of https://github.com/apple/swift-atomics
+8be2ba9c43eb5dd3b33966557d72a07028447039	not-for-merge	'refs/pull/103/head' of https://github.com/apple/swift-atomics
+6ed54fa0d314006468b98ca99a0977e25e210926	not-for-merge	'refs/pull/105/head' of https://github.com/apple/swift-atomics
+3431b8543fbd4ab93b02030c9480c1f62c27f5c7	not-for-merge	'refs/pull/106/head' of https://github.com/apple/swift-atomics
+bd8115e0469ae1bed0406b0dc58f8e4ec70d62a0	not-for-merge	'refs/pull/109/head' of https://github.com/apple/swift-atomics
+6e09389a3d013bea562c33a7c43cbc513fc5c247	not-for-merge	'refs/pull/11/head' of https://github.com/apple/swift-atomics
+074c8c8feadd5d659f85826928f7448ec58b05aa	not-for-merge	'refs/pull/110/head' of https://github.com/apple/swift-atomics
+d0e0a4ad9da665183c246f7884355790d93a3239	not-for-merge	'refs/pull/113/head' of https://github.com/apple/swift-atomics
+14e0302666a11b1b04fe754aa6a866544817a338	not-for-merge	'refs/pull/114/head' of https://github.com/apple/swift-atomics
+4bd141c54f2c6ac358a2563f075d8d7849acd4da	not-for-merge	'refs/pull/115/head' of https://github.com/apple/swift-atomics
+c2a3bed6586db025c67dbd7c7364ac8eecd9fc1a	not-for-merge	'refs/pull/117/head' of https://github.com/apple/swift-atomics
+14b0f18370f5c22803e8d77390e96774bd7d7ad3	not-for-merge	'refs/pull/118/head' of https://github.com/apple/swift-atomics
+040c295e8684477bb7b77b83deb1672e66c1be94	not-for-merge	'refs/pull/119/head' of https://github.com/apple/swift-atomics
+7658766e6137f85ba027ac4789317b725b8dc652	not-for-merge	'refs/pull/12/head' of https://github.com/apple/swift-atomics
+ee599def1ad500416a32349fa342e6a249236748	not-for-merge	'refs/pull/120/head' of https://github.com/apple/swift-atomics
+19dab11ecdc01b9bac8c0127d9dadd4f4c86463d	not-for-merge	'refs/pull/122/head' of https://github.com/apple/swift-atomics
+7e6135863bfe7cc9deefc34dbed3f6dd1881261a	not-for-merge	'refs/pull/123/head' of https://github.com/apple/swift-atomics
+55a062c4a86102455fc32e1d1fec7672a165e7ca	not-for-merge	'refs/pull/14/head' of https://github.com/apple/swift-atomics
+47c88d732f0769bd7d4534781e172733c1cb621f	not-for-merge	'refs/pull/17/head' of https://github.com/apple/swift-atomics
+09ddcdd88da7a0dc6ac8a4a454b546253464d41b	not-for-merge	'refs/pull/20/head' of https://github.com/apple/swift-atomics
+1e43df378fdeecc3ce687672b74225ea4fc587c3	not-for-merge	'refs/pull/23/head' of https://github.com/apple/swift-atomics
+7e101a5653b91a91d84ff9cf4f5303e0fa9c1938	not-for-merge	'refs/pull/24/head' of https://github.com/apple/swift-atomics
+907a24f5f288b8d601cb1a5400cf2b771e7be8d2	not-for-merge	'refs/pull/25/head' of https://github.com/apple/swift-atomics
+7294d12edd142b55cdf3a0f96874a7f35c9c385d	not-for-merge	'refs/pull/26/head' of https://github.com/apple/swift-atomics
+a2e04c3c60bf55d6ba900351068735315e617c8d	not-for-merge	'refs/pull/28/head' of https://github.com/apple/swift-atomics
+c711547ac1467b63d4c78cf5901b8216cdb02372	not-for-merge	'refs/pull/29/head' of https://github.com/apple/swift-atomics
+f659ecc1bb836125f1cf63707104934ef905174f	not-for-merge	'refs/pull/30/head' of https://github.com/apple/swift-atomics
+d8a2baf4d58ac2f52adcb084d13e1d2dd0fedcf0	not-for-merge	'refs/pull/31/head' of https://github.com/apple/swift-atomics
+38049a4a30d613a33bbb907b04ea91d1ce8b98bd	not-for-merge	'refs/pull/32/head' of https://github.com/apple/swift-atomics
+d4a3aae83bec87eee2c8545a265a910c567f0d87	not-for-merge	'refs/pull/34/head' of https://github.com/apple/swift-atomics
+b58a624375564ab138ad131e040dcafe3cbd0bdd	not-for-merge	'refs/pull/35/head' of https://github.com/apple/swift-atomics
+1d4afa40d7b3e36195e323fc7afc7a366af62984	not-for-merge	'refs/pull/36/head' of https://github.com/apple/swift-atomics
+5d07eab6feba55e06d3380880b5a4e7570f796fd	not-for-merge	'refs/pull/38/head' of https://github.com/apple/swift-atomics
+0e10d28288f9ad100ad46a4ec4a0ffc8732d51aa	not-for-merge	'refs/pull/39/head' of https://github.com/apple/swift-atomics
+4fb7f05a27138a9162cd7a1c3b8d859c91850598	not-for-merge	'refs/pull/4/head' of https://github.com/apple/swift-atomics
+8e5d52727e973985c921d3d6153412881f0dabae	not-for-merge	'refs/pull/40/head' of https://github.com/apple/swift-atomics
+3d0a97769f0b9ef144eda096449e5c5e3aac44ca	not-for-merge	'refs/pull/42/head' of https://github.com/apple/swift-atomics
+2468fa3eac88d73dcdbc71402e352fd16c302d5c	not-for-merge	'refs/pull/43/head' of https://github.com/apple/swift-atomics
+2e0f2aa421f6e117c8fdd7d3340363e6fb45acce	not-for-merge	'refs/pull/44/head' of https://github.com/apple/swift-atomics
+e220ff33c3efb5dc3a3998e6375175ff5789285e	not-for-merge	'refs/pull/46/head' of https://github.com/apple/swift-atomics
+44bf6b59dc11d5cc2c29d796b382bcacaba42228	not-for-merge	'refs/pull/48/head' of https://github.com/apple/swift-atomics
+ca87c443e8fbd7afbf21580cfedd0c1c52272197	not-for-merge	'refs/pull/49/head' of https://github.com/apple/swift-atomics
+432e5bd9fe00490cb820c7a070e2f5b69ff6b2db	not-for-merge	'refs/pull/5/head' of https://github.com/apple/swift-atomics
+f62b0d33b4cc916ff1ec05e568e42fd133817198	not-for-merge	'refs/pull/50/head' of https://github.com/apple/swift-atomics
+681881b6685f942bd74b40ecba20956f0fffc2b6	not-for-merge	'refs/pull/52/head' of https://github.com/apple/swift-atomics
+907ce2a79e8ac5f3dff0fc9dc4f2fe940b56b6f4	not-for-merge	'refs/pull/58/head' of https://github.com/apple/swift-atomics
+42691f8636c58ae1c4b9d83fc6349847e8ee76aa	not-for-merge	'refs/pull/6/head' of https://github.com/apple/swift-atomics
+3366a367c5dd0a06214a592fe279b7258e2cf0ae	not-for-merge	'refs/pull/60/head' of https://github.com/apple/swift-atomics
+72034b49082fd1c0d76690ad24731c2bcbc2c897	not-for-merge	'refs/pull/65/head' of https://github.com/apple/swift-atomics
+3a39dbae0c8b9544684d544af66ae0d787322c37	not-for-merge	'refs/pull/67/head' of https://github.com/apple/swift-atomics
+275fb6be61acbdd90982e64dd26a9a4d2442098c	not-for-merge	'refs/pull/68/head' of https://github.com/apple/swift-atomics
+cb7a3b2d35e7dfb501be705c657323cf301e95f5	not-for-merge	'refs/pull/69/head' of https://github.com/apple/swift-atomics
+ad1fb15167f74e05ce1662625952c86a3b3d1b3c	not-for-merge	'refs/pull/7/head' of https://github.com/apple/swift-atomics
+0f2c36bf75400e5f5e93a0a39ad67460d834cde3	not-for-merge	'refs/pull/70/head' of https://github.com/apple/swift-atomics
+8ca2dee2bf3cea31cf1f9fb96ef4c37e7ccdf86a	not-for-merge	'refs/pull/71/head' of https://github.com/apple/swift-atomics
+46e4e960ac6128f1e510e70f724f933385a13508	not-for-merge	'refs/pull/72/head' of https://github.com/apple/swift-atomics
+79718d92d371893106eed2ca0f6c923abf994536	not-for-merge	'refs/pull/73/head' of https://github.com/apple/swift-atomics
+7feb1c17912944ea989ce9d8cbfd44e8d2c071d3	not-for-merge	'refs/pull/74/head' of https://github.com/apple/swift-atomics
+11a0547baa79060bcf3f881f18346f1d6a28482a	not-for-merge	'refs/pull/76/head' of https://github.com/apple/swift-atomics
+5a9973dc1d887b5ca4ef758ca10f043dc368dda7	not-for-merge	'refs/pull/77/head' of https://github.com/apple/swift-atomics
+58a95f7984f5a0e4c2f3057bf30bd5c65cf58a47	not-for-merge	'refs/pull/78/head' of https://github.com/apple/swift-atomics
+e53eff6f1727ee1713df5a5e47446004ab7754d2	not-for-merge	'refs/pull/80/head' of https://github.com/apple/swift-atomics
+b1ecf114a576df36916fdc22f3c031c5a41702a7	not-for-merge	'refs/pull/81/head' of https://github.com/apple/swift-atomics
+581634cdaf01db228f75ad17806669ee76d2b6df	not-for-merge	'refs/pull/82/head' of https://github.com/apple/swift-atomics
+8faf7003f8401420f3a8e56b87f6fd63bdec110c	not-for-merge	'refs/pull/83/head' of https://github.com/apple/swift-atomics
+c95665ddba7e80489bb05e8e47ecd55874f14c09	not-for-merge	'refs/pull/84/head' of https://github.com/apple/swift-atomics
+a79829bbcf3f886a18698bec24c0e69ace60c528	not-for-merge	'refs/pull/85/head' of https://github.com/apple/swift-atomics
+55a158b6203a5b63bdafd9ae9d2adaed66d7064b	not-for-merge	'refs/pull/87/head' of https://github.com/apple/swift-atomics
+cbd73b19679bea520bf37311c271a7c4d0f86b9f	not-for-merge	'refs/pull/89/head' of https://github.com/apple/swift-atomics
+40bd3bac4f0df421e4bf1527fcfd86a6e4a0b10a	not-for-merge	'refs/pull/9/head' of https://github.com/apple/swift-atomics
+1698b26243a6b654f59ceebfc2a494174bd22522	not-for-merge	'refs/pull/90/head' of https://github.com/apple/swift-atomics
+41382923adf68fcfae52492bf9abd941aa8238a1	not-for-merge	'refs/pull/91/head' of https://github.com/apple/swift-atomics
+5f7709d5d057ae40e002b482e88ef677cebc1443	not-for-merge	'refs/pull/93/head' of https://github.com/apple/swift-atomics
+24506678e022d40a3bf98bcbd9b3d8f89a8d9b49	not-for-merge	'refs/pull/94/head' of https://github.com/apple/swift-atomics
+62584d8a3da88402133394b12a52f66ea0a9c2d0	not-for-merge	'refs/pull/94/merge' of https://github.com/apple/swift-atomics
+c1d2945a3805cf5efe56d0a33968285778abce50	not-for-merge	'refs/pull/95/head' of https://github.com/apple/swift-atomics
+5713de15a1996d620f557575a2588f634f758a69	not-for-merge	'refs/pull/96/head' of https://github.com/apple/swift-atomics
+5603f612d2874893d9877bd34013a982f23981b0	not-for-merge	'refs/pull/97/head' of https://github.com/apple/swift-atomics
+b97750eb1815973a377cb85ea2f6c62374a9995d	not-for-merge	tag '0.0.1' of https://github.com/apple/swift-atomics
+26e346cd64f6b92d4089e7fafe2f8e82f60ddb8c	not-for-merge	tag '0.0.2' of https://github.com/apple/swift-atomics
+3e95ba32cd1b4c877f6163e8eea54afc4e63bf9f	not-for-merge	tag '0.0.3' of https://github.com/apple/swift-atomics
+46a69523595b5142b30b20f922a1324586bdc96f	not-for-merge	tag '1.0.0' of https://github.com/apple/swift-atomics
+59f7fbf47952b50aceb2c09d3c12e0a120e82456	not-for-merge	tag '1.0.1' of https://github.com/apple/swift-atomics
+919eb1d83e02121cdb434c7bfc1f0c66ef17febe	not-for-merge	tag '1.0.2' of https://github.com/apple/swift-atomics
+ff3d2212b6b093db7f177d0855adbc4ef9c5f036	not-for-merge	tag '1.0.3' of https://github.com/apple/swift-atomics
+6c89474e62719ddcc1e9614989fff2f68208fe10	not-for-merge	tag '1.1.0' of https://github.com/apple/swift-atomics
+cd142fd2f64be2100422d658e7411e39489da985	not-for-merge	tag '1.2.0' of https://github.com/apple/swift-atomics
+b601256eab081c0f92f059e12818ac1d4f178ff7	not-for-merge	tag '1.3.0' of https://github.com/apple/swift-atomics

.build/repositories/swift-atomics-7429e549/HEAD

@@ -0,0 +1 @@
+ref: refs/heads/main

.build/repositories/swift-atomics-7429e549/config

@@ -0,0 +1,13 @@
+[core]
+	repositoryformatversion = 0
+	filemode = true
+	bare = true
+	ignorecase = true
+	precomposeunicode = true
+	symlinks = true
+	fsmonitor = false
+	longpaths = true
+[remote "origin"]
+	url = https://github.com/apple/swift-atomics.git
+	fetch = +refs/*:refs/*
+	mirror = true

.build/repositories/swift-atomics-7429e549/description

@@ -0,0 +1 @@
+Unnamed repository; edit this file 'description' to name the repository.

.build/repositories/swift-atomics-7429e549/hooks/applypatch-msg.sample

@@ -0,0 +1,15 @@
+#!/bin/sh
+#
+# An example hook script to check the commit log message taken by
+# applypatch from an e-mail message.
+#
+# The hook should exit with non-zero status after issuing an
+# appropriate message if it wants to stop the commit.  The hook is
+# allowed to edit the commit message file.
+#
+# To enable this hook, rename this file to "applypatch-msg".
+
+. git-sh-setup
+commitmsg="$(git rev-parse --git-path hooks/commit-msg)"
+test -x "$commitmsg" && exec "$commitmsg" ${1+"$@"}
+:

.build/repositories/swift-atomics-7429e549/hooks/commit-msg.sample

@@ -0,0 +1,24 @@
+#!/bin/sh
+#
+# An example hook script to check the commit log message.
+# Called by "git commit" with one argument, the name of the file
+# that has the commit message.  The hook should exit with non-zero
+# status after issuing an appropriate message if it wants to stop the
+# commit.  The hook is allowed to edit the commit message file.
+#
+# To enable this hook, rename this file to "commit-msg".
+
+# Uncomment the below to add a Signed-off-by line to the message.
+# Doing this in a hook is a bad idea in general, but the prepare-commit-msg
+# hook is more suited to it.
+#
+# SOB=$(git var GIT_AUTHOR_IDENT | sed -n 's/^\(.*>\).*$/Signed-off-by: \1/p')
+# grep -qs "^$SOB" "$1" || echo "$SOB" >> "$1"
+
+# This example catches duplicate Signed-off-by lines.
+
+test "" = "$(grep '^Signed-off-by: ' "$1" |
+	 sort | uniq -c | sed -e '/^[ 	]*1[ 	]/d')" || {
+	echo >&2 Duplicate Signed-off-by lines.
+	exit 1
+}

.build/repositories/swift-atomics-7429e549/hooks/fsmonitor-watchman.sample

@@ -0,0 +1,174 @@
+#!/usr/bin/perl
+
+use strict;
+use warnings;
+use IPC::Open2;
+
+# An example hook script to integrate Watchman
+# (https://facebook.github.io/watchman/) with git to speed up detecting
+# new and modified files.
+#
+# The hook is passed a version (currently 2) and last update token
+# formatted as a string and outputs to stdout a new update token and
+# all files that have been modified since the update token. Paths must
+# be relative to the root of the working tree and separated by a single NUL.
+#
+# To enable this hook, rename this file to "query-watchman" and set
+# 'git config core.fsmonitor .git/hooks/query-watchman'
+#
+my ($version, $last_update_token) = @ARGV;
+
+# Uncomment for debugging
+# print STDERR "$0 $version $last_update_token\n";
+
+# Check the hook interface version
+if ($version ne 2) {
+	die "Unsupported query-fsmonitor hook version '$version'.\n" .
+	    "Falling back to scanning...\n";
+}
+
+my $git_work_tree = get_working_dir();
+
+my $retry = 1;
+
+my $json_pkg;
+eval {
+	require JSON::XS;
+	$json_pkg = "JSON::XS";
+	1;
+} or do {
+	require JSON::PP;
+	$json_pkg = "JSON::PP";
+};
+
+launch_watchman();
+
+sub launch_watchman {
+	my $o = watchman_query();
+	if (is_work_tree_watched($o)) {
+		output_result($o->{clock}, @{$o->{files}});
+	}
+}
+
+sub output_result {
+	my ($clockid, @files) = @_;
+
+	# Uncomment for debugging watchman output
+	# open (my $fh, ">", ".git/watchman-output.out");
+	# binmode $fh, ":utf8";
+	# print $fh "$clockid\n@files\n";
+	# close $fh;
+
+	binmode STDOUT, ":utf8";
+	print $clockid;
+	print "\0";
+	local $, = "\0";
+	print @files;
+}
+
+sub watchman_clock {
+	my $response = qx/watchman clock "$git_work_tree"/;
+	die "Failed to get clock id on '$git_work_tree'.\n" .
+		"Falling back to scanning...\n" if $? != 0;
+
+	return $json_pkg->new->utf8->decode($response);
+}
+
+sub watchman_query {
+	my $pid = open2(\*CHLD_OUT, \*CHLD_IN, 'watchman -j --no-pretty')
+	or die "open2() failed: $!\n" .
+	"Falling back to scanning...\n";
+
+	# In the query expression below we're asking for names of files that
+	# changed since $last_update_token but not from the .git folder.
+	#
+	# To accomplish this, we're using the "since" generator to use the
+	# recency index to select candidate nodes and "fields" to limit the
+	# output to file names only. Then we're using the "expression" term to
+	# further constrain the results.
+	my $last_update_line = "";
+	if (substr($last_update_token, 0, 1) eq "c") {
+		$last_update_token = "\"$last_update_token\"";
+		$last_update_line = qq[\n"since": $last_update_token,];
+	}
+	my $query = <<"	END";
+		["query", "$git_work_tree", {$last_update_line
+			"fields": ["name"],
+			"expression": ["not", ["dirname", ".git"]]
+		}]
+	END
+
+	# Uncomment for debugging the watchman query
+	# open (my $fh, ">", ".git/watchman-query.json");
+	# print $fh $query;
+	# close $fh;
+
+	print CHLD_IN $query;
+	close CHLD_IN;
+	my $response = do {local $/; <CHLD_OUT>};
+
+	# Uncomment for debugging the watch response
+	# open ($fh, ">", ".git/watchman-response.json");
+	# print $fh $response;
+	# close $fh;
+
+	die "Watchman: command returned no output.\n" .
+	"Falling back to scanning...\n" if $response eq "";
+	die "Watchman: command returned invalid output: $response\n" .
+	"Falling back to scanning...\n" unless $response =~ /^\{/;
+
+	return $json_pkg->new->utf8->decode($response);
+}
+
+sub is_work_tree_watched {
+	my ($output) = @_;
+	my $error = $output->{error};
+	if ($retry > 0 and $error and $error =~ m/unable to resolve root .* directory (.*) is not watched/) {
+		$retry--;
+		my $response = qx/watchman watch "$git_work_tree"/;
+		die "Failed to make watchman watch '$git_work_tree'.\n" .
+		    "Falling back to scanning...\n" if $? != 0;
+		$output = $json_pkg->new->utf8->decode($response);
+		$error = $output->{error};
+		die "Watchman: $error.\n" .
+		"Falling back to scanning...\n" if $error;
+
+		# Uncomment for debugging watchman output
+		# open (my $fh, ">", ".git/watchman-output.out");
+		# close $fh;
+
+		# Watchman will always return all files on the first query so
+		# return the fast "everything is dirty" flag to git and do the
+		# Watchman query just to get it over with now so we won't pay
+		# the cost in git to look up each individual file.
+		my $o = watchman_clock();
+		$error = $output->{error};
+
+		die "Watchman: $error.\n" .
+		"Falling back to scanning...\n" if $error;
+
+		output_result($o->{clock}, ("/"));
+		$last_update_token = $o->{clock};
+
+		eval { launch_watchman() };
+		return 0;
+	}
+
+	die "Watchman: $error.\n" .
+	"Falling back to scanning...\n" if $error;
+
+	return 1;
+}
+
+sub get_working_dir {
+	my $working_dir;
+	if ($^O =~ 'msys' || $^O =~ 'cygwin') {
+		$working_dir = Win32::GetCwd();
+		$working_dir =~ tr/\\/\//;
+	} else {
+		require Cwd;
+		$working_dir = Cwd::cwd();
+	}
+
+	return $working_dir;
+}

.build/repositories/swift-atomics-7429e549/hooks/post-update.sample

@@ -0,0 +1,8 @@
+#!/bin/sh
+#
+# An example hook script to prepare a packed repository for use over
+# dumb transports.
+#
+# To enable this hook, rename this file to "post-update".
+
+exec git update-server-info

.build/repositories/swift-atomics-7429e549/hooks/pre-applypatch.sample

@@ -0,0 +1,14 @@
+#!/bin/sh
+#
+# An example hook script to verify what is about to be committed
+# by applypatch from an e-mail message.
+#
+# The hook should exit with non-zero status after issuing an
+# appropriate message if it wants to stop the commit.
+#
+# To enable this hook, rename this file to "pre-applypatch".
+
+. git-sh-setup
+precommit="$(git rev-parse --git-path hooks/pre-commit)"
+test -x "$precommit" && exec "$precommit" ${1+"$@"}
+: