init

5 files changed, 345 insertions, 0 deletions

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..ea8c4bf
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/target
diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 0000000..c2a1f30
--- /dev/null
+++ b/Cargo.lock
@@ -0,0 +1,260 @@
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+# It is not intended for manual editing.
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diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..33e4942
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,9 @@
+[package]
+name = "grit"
+version = "0.1.0"
+edition = "2021"
+description = "Brainrot git"
+
+[dependencies]
+clap = { version = "4.5.32", features = ["derive"] }
+ini = "1.3.0"
diff --git a/src/core.rs b/src/core.rs
new file mode 100644
index 0000000..1223bb7
--- /dev/null
+++ b/src/core.rs
@@ -0,0 +1,52 @@
+use std::collections::HashMap;
+use std::path::PathBuf;
+use std::process;
+use ini::ini;
+
+pub struct GitRepository {
+    pub worktree: PathBuf,
+    gitdir: PathBuf,
+    conf: HashMap<String, HashMap<String, Option<String>>>
+}
+
+fn die(msg: &str) {
+    println!("{}", msg);
+    process::exit(1);
+}
+
+impl GitRepository {
+    pub fn new(worktree: PathBuf) -> Self {
+        let gitdir = worktree.join(".git");
+        let conf: HashMap<String, HashMap<String, Option<String>>> = HashMap::new();
+        Self { worktree, gitdir, conf }
+    }
+
+    pub fn from_dir(worktree: PathBuf) -> Self {
+        if !worktree.exists() {
+            die("Worktree does not exist");
+        }
+        let gitdir = worktree.join(".git");
+        if !gitdir.exists() {
+            die("Not a valid git repository");
+        }
+        let conf_file = gitdir.join("config");
+        if !conf_file.exists() {
+            die("Config file does not exist");
+        }
+        let conf = ini!(conf_file.to_str().unwrap());
+        let repo_format_version = conf["core"]["repositoryformatversion"].clone();
+        if let Some(version) = repo_format_version {
+            if version != "0" {
+                die("Unsupported format version");
+            }
+        } else {
+            die("Could not determine repository format version");
+        }
+        
+        Self {
+            worktree,
+            gitdir,
+            conf
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..a533003
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,23 @@
+mod core;
+
+use clap::{Parser, Subcommand};
+
+#[derive(Parser)]
+#[command(version, about, long_about = None)]
+struct Cli {
+    #[command(subcommand)]
+    command: Command
+}
+
+#[derive(Subcommand)]
+enum Command {
+    Init,
+}
+
+
+fn main() {
+    let cli = Cli::parse();
+    match &cli.command {
+        Command::Init => { todo!() }
+    }
+}
\ No newline at end of file