chore: remove libgit2 / last openssl deps (#278)

* chore: remove libgit2 to remove openssl

* fix: use native git commands instead of libgit

cli/Cargo.toml

@@ -31,7 +31,6 @@ tracing = "0.1.26"
 sputnik = { package = "evm", git = "https://github.com/rust-blockchain/evm",  optional = true }
 evmodin = { git = "https://github.com/vorot93/evmodin", optional = true }
 proptest = "1.0.0"
-git2 = "0.13.22"
 glob = "0.3.0"
 semver = "1.0.4"
 once_cell = "1.8.0"

cli/src/forge.rs

@@ -32,24 +32,16 @@ fn main() -> eyre::Result<()> {
             cmd.run()?;
         }
         Subcommands::Update { lib } => {
-            // TODO: Should we add some sort of progress bar here? Would be nice
-            // but not a requirement.
-            // open the repo
-            let repo = git2::Repository::open(".")?;
+            let mut cmd = Command::new("git");
+
+            cmd.args(&["submodule", "update", "--init", "--recursive"]);
 
             // if a lib is specified, open it
             if let Some(lib) = lib {
-                println!("Updating submodule {:?}", lib);
-                repo.find_submodule(
-                    &lib.into_os_string().into_string().expect("invalid submodule path"),
-                )?
-                .update(true, None)?;
-            } else {
-                Command::new("git")
-                    .args(&["submodule", "update", "--init", "--recursive"])
-                    .spawn()?
-                    .wait()?;
+                cmd.args(&["--", lib.display().to_string().as_str()]);
             }
+
+            cmd.spawn()?.wait()?;
         }
         // TODO: Make it work with updates?
         Subcommands::Install { dependencies } => {

cli/src/utils.rs

@@ -4,6 +4,7 @@ use eyre::{ContextCompat, WrapErr};
 use std::{
     env::VarError,
     path::{Path, PathBuf},
+    process::Command,
 };
 
 #[cfg(feature = "evmodin-evm")]
@@ -80,9 +81,9 @@ pub fn find_dapp_json_contract(path: &str, name: &str) -> eyre::Result<Contract>
 }
 
 pub fn find_git_root_path() -> eyre::Result<PathBuf> {
-    let repo = git2::Repository::discover(".").wrap_err("Failed to find git root path")?;
-
-    Ok(repo.path().parent().unwrap().to_path_buf())
+    let path = Command::new("git").args(&["rev-parse", "--show-toplevel"]).output()?.stdout;
+    let path = std::str::from_utf8(&path)?.trim_end_matches('\n');
+    Ok(PathBuf::from(path))
 }
 
 /// Determines the source directory to use given the root path to a project's workspace.