Fails on MacOS because of -P option specific to GNU grep

[benradf]

Describe the bug

grep: invalid option -- P
usage: grep [-abcdDEFGHhIiJLlMmnOopqRSsUVvwXxZz] [-A num] [-B num] [-C[num]]
        [-e pattern] [-f file] [--binary-files=value] [--color=when]
        [--context[=num]] [--directories=action] [--label] [--line-buffered]
        [--null] [pattern] [file ...]
error: called bad bazel
dot - graphviz version 7.1.0 (20230121.1956)
curl 7.87.0 (x86_64-apple-darwin22.0) libcurl/7.87.0 (SecureTransport) LibreSSL/3.3.6 zlib/1.2.11 nghttp2/1.51.0
Release-Date: 2022-12-21
Protocols: dict file ftp ftps gopher gophers http https imap imaps ldap ldaps mqtt pop3 pop3s rtsp smb smbs smtp smtps telnet tftp
Features: alt-svc AsynchDNS GSS-API HSTS HTTP2 HTTPS-proxy IPv6 Kerberos Largefile libz MultiSSL NTLM NTLM_WB SPNEGO SSL threadsafe UnixSockets
jq-1.6
dyld[6246]: Library not loaded: /nix/store/26k4g66lmvhlkvh5jv9k7vd28mizk7gp-libiconv-50/lib/libiconv-nocharset.dylib
  Referenced from: <no uuid> /private/var/tmp/_bazel_ksmiley/c8513c989333be3c89713e16206869b2/external/skyscope_macos/skyscope/closure/libiconv.dylib
  Reason: tried: '/nix/store/26k4g66lmvhlkvh5jv9k7vd28mizk7gp-libiconv-50/lib/libiconv-nocharset.dylib' (no such file), '/System/Volumes/Preboot/Cryptexes/OS/nix/store/26k4g66lmvhlkvh5jv9k7vd28mizk7gp-libiconv-50/lib/libiconv-nocharset.dylib' (no such file), '/nix/store/26k4g66lmvhlkvh5jv9k7vd28mizk7gp-libiconv-50/lib/libiconv-nocharset.dylib' (no such file), '/usr/local/lib/libiconv-nocharset.dylib' (no such file), '/usr/lib/libiconv-nocharset.dylib' (no such file, not in dyld cache)Library not loaded: /nix/store/jjridp9bvflshikcqdx1icy8m7d6a1gq-libcxxabi-11.1.0/lib/libc++abi.1.dylib
  Referenced from: <no uuid> /private/var/tmp/_bazel_ksmiley/c8513c989333be3c89713e16206869b2/external/skyscope_macos/skyscope/closure/libc++.1.0.dylib
  Reason: tried: '/nix/store/jjridp9bvflshikcqdx1icy8m7d6a1gq-libcxxabi-11.1.0/lib/libc++abi.1.dylib' (no such file), '/System/Volumes/Preboot/Cryptexes/OS/nix/store/jjridp9bvflshikcqdx1icy8m7d6a1gq-libcxxabi-11.1.0/lib/libc++abi.1.dylib' (no such file), '/nix/store/jjridp9bvflshikcqdx1icy8m7d6a1gq-libcxxabi-11.1.0/lib/libc++abi.1.dylib' (no such file), '/usr/local/lib/libc++abi.1.dylib' (no such file), '/usr/lib/libc++abi.1.dylib' (no such file, not in dyld cache)
/private/var/tmp/_bazel_ksmiley/c8513c989333be3c89713e16206869b2/execroot/_main/bazel-out/darwin_arm64-fastbuild/bin/external/skyscope_macos/skyscope/import.runfiles/./skyscope_macos/skyscope/bin/skyscope: line 27:  6246 Abort trap: 6           "$SKYSCOPE_BINARY" +RTS -N -RTS "$@"

Additional context
https://bazelbuild.slack.com/archives/CA31HN1T3/p1683560345555339?thread_ts=1683196684.915689&cid=CA31HN1T3

[benradf]

Since the change to distribute Skyscope on Linux as a single statically linked binary, there is no longer a wrapper script that calls grep, so this issue is resolved (though to use Skyscope on MacOS now, you'll have to build it from source).