forked from mirrors/jj
tests: disable parsing of system CA certificates in CLI tests
On my Debian laptop, openssl_init() takes ~30ms to load the default CA certificates serialized in PEM format, and the cost is added to each jj invocation. This change saves 20s (of 50s) on my machine. % wc -l /usr/lib/ssl/cert.pem 3517 /usr/lib/ssl/cert.pem
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@ -107,6 +107,14 @@ impl TestEnvironment {
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cmd.env("JJ_TIMESTAMP", timestamp.to_rfc3339());
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cmd.env("JJ_OP_TIMESTAMP", timestamp.to_rfc3339());
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// libgit2 always initializes OpenSSL, and it takes a few tens of milliseconds
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// to load the system CA certificates in X509_load_cert_crl_file_ex(). As we
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// don't use HTTPS in our tests, we can disable the cert loading to speed up the
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// CLI tests. If we migrated to gitoxide, maybe we can remove this hack.
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if cfg!(unix) {
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cmd.env("SSL_CERT_FILE", "/dev/null");
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}
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if cfg!(all(windows, target_env = "gnu")) {
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// MinGW executables cannot run without `mingw\bin` in the PATH (which we're
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// clearing above), so we add it again here.
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