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tests: disable parsing of system CA certificates in CLI tests

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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
This commit is contained in:
Yuya Nishihara 2023-10-07 22:27:53 +09:00
parent d94c325d6c
commit 7f4fe22a98
1 changed files with 8 additions and 0 deletions
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8
cli/tests/common/mod.rs
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@ -107,6 +107,14 @@ impl TestEnvironment {
cmd.env("JJ_TIMESTAMP", timestamp.to_rfc3339());
cmd.env("JJ_OP_TIMESTAMP", timestamp.to_rfc3339());
// libgit2 always initializes OpenSSL, and it takes a few tens of milliseconds
// to load the system CA certificates in X509_load_cert_crl_file_ex(). As we
// don't use HTTPS in our tests, we can disable the cert loading to speed up the
// CLI tests. If we migrated to gitoxide, maybe we can remove this hack.
if cfg!(unix) {
cmd.env("SSL_CERT_FILE", "/dev/null");
}
if cfg!(all(windows, target_env = "gnu")) {
// MinGW executables cannot run without `mingw\bin` in the PATH (which we're
// clearing above), so we add it again here.