Better caching (#2)

* Remove cache dependency

* Add DocumentCacheBuilder and tests

* Fix compile error and rename function in cache.rs

* update post create command

* Update sysinfo, add url library

* Implement get_cache_path in DocumentCache

* Using the cache in the scanner, code cleanup

* Refactor config loading and tests

* Better error printing in main loop, faster ctrl+c handling

* Fix issue when cache dir is set as prefix

* Add dependabot

.devcontainer/Dockerfile

@@ -0,0 +1,11 @@
+# See here for image contents: https://github.com/microsoft/vscode-dev-containers/tree/v0.238.1/containers/rust/.devcontainer/base.Dockerfile
+
+# [Choice] Debian OS version (use bullseye on local arm64/Apple Silicon): buster, bullseye
+ARG VARIANT="buster"
+FROM mcr.microsoft.com/vscode/devcontainers/rust:0-${VARIANT}
+
+# [Optional] Uncomment this section to install additional packages.
+RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
+     && apt-get -y upgrade
+
+RUN rustup update && rustup update stable

.devcontainer/devcontainer.json

@@ -0,0 +1,60 @@
+// For format details, see https://aka.ms/devcontainer.json. For config options, see the README at:
+// https://github.com/microsoft/vscode-dev-containers/tree/v0.238.1/containers/rust
+{
+	"name": "Rust",
+	"build": {
+		"dockerfile": "Dockerfile",
+		"args": {
+			// Use the VARIANT arg to pick a Debian OS version: buster, bullseye
+			// Use bullseye when on local on arm64/Apple Silicon.
+			"VARIANT": "buster"
+		}
+	},
+	"runArgs": [
+		"--cap-add=SYS_PTRACE",
+		"--security-opt",
+		"seccomp=unconfined"
+	],
+
+	"containerEnv": {
+		"XDG_CONFIG_HOME": "${containerWorkspaceFolder}/.config/",
+		"XDG_RUNTIME_DIR": "${containerWorkspaceFolder}/.run/"
+	},
+
+	// Configure tool-specific properties.
+	"customizations": {
+		// Configure properties specific to VS Code.
+		"vscode": {
+			// Set *default* container specific settings.json values on container create.
+			"settings": { 
+				"lldb.executable": "/usr/bin/lldb",
+				// VS Code don't watch files under ./target
+				"files.watcherExclude": {
+					"**/target/**": true
+				},
+				"rust-analyzer.checkOnSave.command": "clippy"
+			},
+
+			// Add the IDs of extensions you want installed when the container is created.
+			"extensions": [
+				"vadimcn.vscode-lldb",
+				"mutantdino.resourcemonitor",
+				"rust-lang.rust-analyzer",
+				"tamasfe.even-better-toml",
+				"serayuzgur.crates"
+			]
+		}
+	},
+
+	// Use 'forwardPorts' to make a list of ports inside the container available locally.
+	// "forwardPorts": [],
+
+	// Use 'postCreateCommand' to run commands after the container is created.
+	"postCreateCommand": "rustup update && rustup update stable",
+
+	// Comment out to connect as root instead. More info: https://aka.ms/vscode-remote/containers/non-root.
+	"remoteUser": "vscode",
+	"features": {
+		"git": "os-provided"
+	}
+}

.github/dependabot.yml

@@ -0,0 +1,11 @@
+# To get started with Dependabot version updates, you'll need to specify which
+# package ecosystems to update and where the package manifests are located.
+# Please see the documentation for all configuration options:
+# https://docs.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
+
+version: 2
+updates:
+  - package-ecosystem: "cargo" # See documentation for possible values
+    directory: "/" # Location of package manifests
+    schedule:
+      interval: "weekly"

.vscode/launch.json

@@ -4,6 +4,7 @@
     // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
     "version": "0.2.0",
     "configurations": [
+
         {
             "type": "lldb",
             "request": "launch",
@@ -23,7 +24,8 @@
             "cwd": "${workspaceFolder}",
             "env": {
                 "RUST_BACKTRACE": "1",
-                "XDG_CONFIG_HOME": "${workspaceFolder}/.config"
+                "XDG_CONFIG_HOME": "${workspaceFolder}/.config",
+                "XDG_RUNTIME_DIR": "${workspaceFolder}/.run"
             }
         },
         {
@@ -45,8 +47,9 @@
             "args": [],
             "cwd": "${workspaceFolder}",
             "env": {
-                "RUST_BACKTRACE": "full",
-                "XDG_CONFIG_HOME": "${workspaceFolder}/.config"
+                "RUST_BACKTRACE": "1",
+                "XDG_CONFIG_HOME": "${workspaceFolder}/.config",
+                "XDG_RUNTIME_DIR": "${workspaceFolder}/.run"
             }
         }
     ]

.vscode/tasks.json

@@ -0,0 +1,20 @@
+{
+	"version": "2.0.0",
+	"tasks": [
+		{
+			"type": "cargo",
+			"command": "test",
+			"env": {
+				"RUST_BACKTRACE": "1"
+			},
+			"problemMatcher": [
+				"$rustc"
+			],
+			"group": {
+				"kind": "test",
+				"isDefault": true
+			},
+			"label": "rust: cargo test"
+		}
+	]
+}