Git for Windows インストール時の HTTPS transport backend はどっちを選んでも curl は OpenSSL/Schannel 両方組み込みでビルドされる

てっきり curl のビルドオプションにも影響を与えるのかと思ったら、そうでもないみたい。

Git for Windows 2.38.1

HTTPS transport backend

OpenSSL を選んだ場合

OpenSSL

$ curl -V
curl 7.85.0 (x86_64-w64-mingw32) libcurl/7.85.0 OpenSSL/1.1.1q (Schannel) zlib/1.2.12 brotli/1.0.9 zstd/1.5.2 libidn2/2.3.3 libssh2/1.10.0 nghttp2/1.48.0
Release-Date: 2022-08-31
Protocols: dict file ftp ftps gopher gophers http https imap imaps ldap ldaps mqtt pop3 pop3s rtsp scp sftp smb smbs smtp smtps telnet tftp
Features: alt-svc AsynchDNS brotli HSTS HTTP2 HTTPS-proxy IDN IPv6 Kerberos Largefile libz MultiSSL NTLM SPNEGO SSL SSPI threadsafe TLS-SRP zstd

Schannel（Windows Secure Channel）を選んだ場合

Schannel

$ curl -V
curl 7.85.0 (x86_64-w64-mingw32) libcurl/7.85.0 OpenSSL/1.1.1q (Schannel) zlib/1.2.12 brotli/1.0.9 zstd/1.5.2 libidn2/2.3.3 libssh2/1.10.0 nghttp2/1.48.0
Release-Date: 2022-08-31
Protocols: dict file ftp ftps gopher gophers http https imap imaps ldap ldaps mqtt pop3 pop3s rtsp scp sftp smb smbs smtp smtps telnet tftp
Features: alt-svc AsynchDNS brotli HSTS HTTP2 HTTPS-proxy IDN IPv6 Kerberos Largefile libz MultiSSL NTLM SPNEGO SSL SSPI threadsafe TLS-SRP zstd