upd: init subcommand

1 files changed, 55 insertions, 10 deletions

diff --git a/src/core.rs b/src/core.rs
index be1edfb..4f9302e 100644
--- a/src/core.rs
+++ b/src/core.rs
@@ -1,10 +1,10 @@
+use crate::utilities::{die, ConfigHashMap};
+use ini::ini;
 use std::collections::HashMap;
+use std::fs::{create_dir, File};
+use std::io::Write;
 use std::path::PathBuf;
-use std::process;
-use ini::ini;
-
-type ConfigHashMap = HashMap<String, HashMap<String, Option<String>>>;
-
+use configparser::ini::Ini;
 
 pub struct GitRepository {
     pub worktree: PathBuf,
@@ -12,11 +12,6 @@ pub struct GitRepository {
     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");
@@ -52,4 +47,54 @@ impl GitRepository {
             conf
         }
     }
+
+    pub fn create_new_repo(worktree: PathBuf) {
+        let repo = GitRepository::new(worktree);
+        if repo.worktree.exists() {
+            if repo.gitdir.exists() {
+                die("Repo already exists");
+            }
+        }
+
+        let create_gitdir = create_dir(repo.gitdir.clone());
+        if let Err(_) = create_gitdir {
+            die("Failed to initialize repository");
+        }
+
+        if let Err(_) = create_dir(repo.gitdir.clone().join("objects")) {
+            die("Failed to create objects directory");
+        }
+
+        if let Err(_) = create_dir(repo.gitdir.clone().join("refs").join("heads")) {
+            die("Failed to create git refs/head directory");
+        }
+
+        if let Err(_) = create_dir(repo.gitdir.clone().join("refs").join("tags")) {
+            die("Failed to create git refs/tags directory");
+        }
+
+        if let Ok(mut head_file) = File::create(repo.gitdir.clone().join("HEAD")) {
+            if let Err(_) = head_file.write_all(&"ref: refs/heads/master\n".as_ref()) {
+                die("Failed to write HEAD file");
+            }
+        } else {
+            die("Failed to create HEAD file");
+        }
+
+        let mut config = Ini::new();
+        config.set("core", "repositoryformatversion", Some("0".to_owned()));
+        config.set("core", "filemode", Some("false".to_owned()));
+        config.set("core", "bare", Some("false".to_owned()));
+
+        if let Err(_) = config.write(repo.gitdir.join("config")) {
+            die("Failed to write config file");
+        }
+
+
+        if let Ok(mut description_file)  = File::create(repo.gitdir.clone().join("config")) {
+            if let Err(_) = description_file.write("Unnamed repository; edit this file 'description' to name the repository.\n".as_ref()) {
+                die("Failed to write description file");
+            }
+        }
+    }
 }
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