wip: combine wasmcov env setup with near env setup

.gitignore

@@ -1,5 +1,5 @@
 # Build files
-/target
+target
 
 # Code Editor related files
 .idea

cargo-near/Cargo.toml

@@ -32,6 +32,7 @@ near-abi = { version = "0.4.0", features = ["__chunked-entries"] }
 libloading = "0.7.3"
 zstd = "0.11"
 atty = "0.2.14"
+wasmcov = { version = "0.1" }
 
 color-eyre = "0.6"
 inquire = "0.6"
@@ -49,3 +50,4 @@ near-primitives = "0.17.0"
 near-jsonrpc-client = "0.6.0"
 near-jsonrpc-primitives = "0.17.0"
 dunce = "1"
+

cargo-near/src/util/mod.rs

@@ -194,6 +194,24 @@ pub(crate) fn compile_project(
         }
     }
 
+    //#[cfg(feature = "wasmcov")]
+    // final env: {"CARGO_PROFILE_DEV_DEBUG": "0", "CARGO_PROFILE_DEV_LTO": "off", "CARGO_PROFILE_DEV_OPT_LEVEL": "0", "RUSTFLAGS": "-Awarnings"}
+    // wasmcov env: export WASMCOV_DIR=/home/noah/cargo-near-new-project-template/wasmcov; export CARGO_TARGET_DIR=/home/noah/cargo-near-new-project-template/wasmcov/target; export RUSTC_BOOTSTRAP=1; export RUSTFLAGS="-Cinstrument-coverage -Zno-profiler-runtime -Zlocation-detail=none --emit=llvm-ir -Clto=no"
+
+    // parse wasmcov setup output (which is a series of export ENVVARNAME=value commands) into the same format as final_env, then merge them
+    wasmcov::setup(None).expect("Failed to setup wasmcov");
+    // let wasmcov_env = wasmcov_env
+    //     .split("; ")
+    //     .map(|s| {
+    //         let mut split = s.splitn(2, '=');
+    //         let key = split.next().unwrap();
+    //         let value = split.next().unwrap();
+    //         (key, value)
+    //     })
+    //     .collect::<BTreeMap<_, _>>();
+
+    // println!("wasmcov_env: {:?}", wasmcov_env);
+
     let artifacts = invoke_cargo(
         "build",
         [&["--message-format=json-render-diagnostics"], args].concat(),