Restore openssl-probe (#490)

Cargo.lock

@@ -1836,6 +1836,7 @@ dependencies = [
  "log",
  "nix",
  "notify-rust",
+ "openssl-probe",
  "pretty_env_logger",
  "rust-ini",
  "self_update",

Cargo.toml

@@ -45,6 +45,7 @@ self_update_crate = { version = "0.16.0", optional = true, package =  "self_upda
 
 [target.'cfg(target_os = "linux")'.dependencies]
 rust-ini = "0.15.0"
+openssl-probe = { version = "0.1.2", optional = true }
 
 [profile.release]
 lto = true
@@ -52,4 +53,4 @@ lto = true
 [features]
 default = []
 
-self-update = ["self_update_crate"]
+self-update = ["self_update_crate", "openssl-probe"]

src/main.rs

@@ -23,6 +23,7 @@ use self::steps::*;
 use self::terminal::*;
 use anyhow::{anyhow, Result};
 use log::debug;
+
 use std::env;
 use std::io;
 use std::process::exit;
@@ -74,6 +75,9 @@ fn run() -> Result<()> {
 
     #[cfg(feature = "self-update")]
     {
+        #[cfg(target_os = "linux")]
+        openssl_probe::init_ssl_cert_env_vars();
+
         if !run_type.dry() && env::var("TOPGRADE_NO_SELF_UPGRADE").is_err() {
             let result = self_update::self_update();