implement -all option to add

src/commands/add.rs

@@ -1,20 +1,31 @@
 use std::io::Write;
+use std::fs::OpenOptions;
 use std::path::{Path, PathBuf};
 use clap::Values;
+use crate::store::index;
 use crate::store::{self, object::Object};
 use crate::utils;
 use crate::utils::nextsyncignore::{self, ignore_file};
-use crate::utils::path::{normalize_relative, repo_root};
+use crate::utils::path::{normalize_relative, repo_root, path_buf_to_string};
+
+use super::status::get_all_objs;
 
 pub struct AddArgs<'a> {
-    pub files: Values<'a>,
+    pub files: Option<Values<'a>>,
     pub force: bool,
+    pub all: bool,
 }
 
 // todo match deleted files
 // todo match weird reg expression
 // todo -A == .
 pub fn add(args: AddArgs) {
+    // write all modification in the index
+    if args.all {
+        write_all();
+        return;
+    }
+
     let mut index_file = store::index::open();
     let mut added_files: Vec<String> = vec![];
 
@@ -24,7 +35,7 @@ pub fn add(args: AddArgs) {
     };
 
     let mut ignored_f = vec![];
-    let file_vec: Vec<&str> = args.files.collect();
+    let file_vec: Vec<&str> = args.files.unwrap().collect();
     for file in file_vec {
         
         let f = match normalize_relative(file) {
@@ -95,3 +106,14 @@ fn add_folder_content(path: PathBuf, added_files: &mut Vec<String>) {
     }
 
 }
+
+fn write_all() {
+    let objs = get_all_objs();
+    let mut index_file = OpenOptions::new()
+        .write(true)
+        .create(true)
+        .open(index::path()).expect("Cannot open index file");
+    for obj in objs {
+        writeln!(index_file, "{}", path_buf_to_string(obj.path.clone()));
+    }
+}

src/main.rs

@@ -81,6 +81,7 @@ fn main() {
             .arg(
                 Arg::with_name("files")
                 .required(true)
+                .conflicts_with("all")
                 .multiple(true)
                 .takes_value(true)
                 .value_name("FILE")
@@ -92,6 +93,12 @@ fn main() {
                 .long("force")
                 .help("Allow adding otherwise ignored files."),
                 )
+            .arg(
+                Arg::with_name("all")
+                .short("A")
+                .long("all")
+                .help("This adds, modifies, and removes index entries to match the working tree"),
+                )
             .about("Add changes to the index")
             )
         .subcommand(
@@ -138,8 +145,15 @@ fn main() {
     } else if let Some(matches) = matches.subcommand_matches("add") {
         if let Some(files) = matches.values_of("files") {
             commands::add::add(AddArgs {
-                files,
+                files: Some(files),
                 force: matches.is_present("force"),
+                all: matches.is_present("all"),
+            });
+        } else {
+            commands::add::add(AddArgs {
+                files: None,
+                force: matches.is_present("force"),
+                all: matches.is_present("all"),
             });
         }
     } else if let Some(_) = matches.subcommand_matches("reset") {

src/store/index.rs

@@ -1,12 +1,17 @@
 use std::io;
+use std::path::PathBuf;
 use std::fs::File;
 use std::fs::OpenOptions;
 use crate::utils::{read, path};
 
-pub fn open() -> File {
+pub fn path() -> PathBuf {
     let mut path = path::nextsync();
-
     path.push("index");
+    path
+}
+
+pub fn open() -> File {
+    let mut path = path();
     OpenOptions::new()
         .read(true)
         .write(true)