Misc: Rust, Helix, tmux underline, bash, rg, ...

Add:
- Rust and Helix install/configure scripts
- tmux curly underline with colors
- Rocky SSH & Mosh setup
- `asciinema` and `rg`
- Mosh PPA for old Ubuntu systems
- VirtualBox USB devices group
- Add `~/.local/bin/` to path in .bashrc

Update:
- Use `~/.bash_login` instead of `~/.profile` for tmux on login and exec it
- Rename `gnome-todo` to `endeavour`
- Use new sshd alias
- Reload instead of restarting sshd

Remove:
- Vim colorschemes and plugins
- `.sh` extensions on executable scripts

auto/auto

@@ -1,32 +1,32 @@
-#!/bin/sh
+#!/bin/sh -e
 cd ssh
-./ssh.sh
+./ssh
 cd ..
 
 cd bash
-./bash.sh
+./bash
 cd ..
 
 cd git
-./git.sh
+./git
 cd ..
 
 cd vim
-./vim.sh
+./vim
 cd ..
 
 cd gnome
-./gnome.sh
+./gnome
 cd ..
 
 cd readline
-./readline.sh
+./readline
 cd ..
 
 cd tmux
-./tmux.sh
+./tmux
 cd ..
 
 cd home-chmod
-./home-chmod.sh
+./home-chmod
 cd ..

auto/bash/bash

@@ -9,6 +9,10 @@ export EDITOR='vim'
 export VISUAL='vim'
 export GPG_TTY=$(tty)
 
+if [[ -d "$HOME/.local/bin" && ":$PATH:" != *":$HOME/.local/bin:"* ]]; then
+	PATH="$HOME/.local/bin:$PATH"
+fi
+
 # cool colored command prompt
 
 PS1='${debian_chroot:+($debian_chroot)}\[\e[01;38;5;11m\]\u\[\e[00;38;5;208m\]@\[\e[01;38;5;27m\]\h\[\e[00m\]:\[\e[00;38;5;45m\]\w\[\e[0m\]\$ '
@@ -32,20 +36,23 @@ popd() {
 	cd .
 }
 EOF
-cat >> ~/.profile << 'EOF'
+if [ -f ~/.bash_profile ]; then
+	mv ~/.bash_profile ~/.bash_login
+fi
+cat >> ~/.bash_login << 'EOF'
 
 # custom
 
 if [ -z "$TMUX" ] && [ -n "$SSH_TTY" ]; then
 	tput sc
 	tput smso
-	echo -n 'tmux: space - shell: any key'
+	echo -n 'tmux: space / shell: any key'
 	tput sgr0
 	read -rsN1 input
 	tput rc
 	tput el
 	if [ "$input" = ' ' ]; then
-		tmux new -As default
+		exec tmux new -As default
 	fi
 fi
 EOF

auto/tmux/.tmux.conf

@@ -2,6 +2,10 @@ set -g clock-mode-style 12
 set -g default-command "${SHELL}"
 set -g default-terminal "tmux-256color"
 set -as terminal-features ",xterm-256color:RGB"
+# curly underline support
+set -as terminal-overrides ',*:Smulx=\E[4::%p1%dm'
+# underline colors - needs tmux-3.0
+set -as terminal-overrides ',*:Setulc=\E[58::2::%p1%{65536}%/%d::%p1%{256}%/%{255}%&%d::%p1%{255}%&%d%;m'
 set -g history-limit 10000
 set -g prefix C-q
 set -sg escape-time 25

auto/vim/.vimrc

@@ -1,10 +1,3 @@
-" vim-plug
-call plug#begin()
-Plug 'chriskempson/base16-vim'
-Plug 'dhruvasagar/vim-table-mode'
-call plug#end()
-
-colorscheme base16-default-dark
 filetype plugin indent on
 syntax on
 

auto/vim/vim

@@ -0,0 +1,2 @@
+#!/bin/sh
+cp -i .vimrc ~

auto/vim/vim.sh

@@ -1,4 +0,0 @@
-#!/bin/sh
-cp -i .vimrc ~
-curl -Lo ~/.vim/autoload/plug.vim --create-dirs \
-	https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim

manual/helix/helix

@@ -0,0 +1,65 @@
+#!/bin/sh -e
+if ! command -v cargo > /dev/null; then
+  echo "Error: cargo not found"
+  exit 1
+fi
+if ! command -v c++ > /dev/null; then
+  echo "Error: c++ not found"
+  exit 1
+fi
+git clone https://github.com/helix-editor/helix helix-git
+cd helix-git
+cargo install --locked --path helix-term
+mkdir -p ~/.config/helix
+rm -rf runtime/grammars/sources
+mv runtime ~/.config/helix
+rm -rf helix-git
+cat > ~/.config/helix/config.toml << 'EOF'
+theme = "monokai_pro_ristretto"
+
+[editor]
+auto-pairs = false
+bufferline = "multiple"
+rulers = [101]
+
+[editor.statusline]
+left = ["mode", "spinner", "file-name"]
+center = ["position-percentage"]
+right = ["diagnostics", "selections", "position", "file-encoding", "file-line-ending"]
+
+[keys.normal]
+space.z = ":reflow 100"
+
+[editor.soft-wrap]
+enable = true
+EOF
+cat > ~/.config/helix/languages.toml << 'EOF'
+[editor]
+auto-pairs = false
+
+[[language]]
+name = 'rust'
+indent.unit = "\t"
+indent.tab-width = 4
+config.checkOnSave = { command = "clippy" }
+
+[[language]]
+name = "c"
+indent = { tab-width = 4, unit = "\t" }
+
+[[language]]
+name = "cpp"
+indent = { tab-width = 4, unit = "\t" }
+
+[[language]]
+name = 'java'
+indent.unit = "\t"
+indent.tab-width = 4
+
+[[language]]
+name = "markdown"
+language-server = { command = "ltex-ls" }
+file-types = ["md"]
+scope = "source.markdown"
+roots = []
+EOF

manual/rust/rust

@@ -0,0 +1,32 @@
+#!/bin/sh -e
+if [ $# -gt 2 ]; then
+  echo "Usage: $0 [-f]"
+  exit 1
+fi
+if [ "$1" = '-f' ]; then
+  force=true
+fi
+if ! command -v curl > /dev/null; then
+  echo "Error: curl not found"
+  exit 1
+fi
+if command -v cargo > /dev/null && [ "$force" != true ]; then
+  echo "Error: rust already installed; use -f to force"
+  exit 1
+fi
+curl --proto '=https' --tlsv1.3 -sSf https://sh.rustup.rs | sh -s -- -y
+. "$HOME/.cargo/env"
+rustup component add rust-analyzer
+cat >> ~/.cargo/config.toml << 'EOF'
+[registries.crates-io]
+protocol = "sparse"
+EOF
+mkdir -p ~/.local/bin
+cat >> ~/.local/bin/rust-analyzer << 'EOF'
+#!/bin/sh
+$(rustup which rust-analyzer) "$@"
+EOF
+chmod +x ~/.local/bin/rust-analyzer
+cargo install cargo-auditable
+cargo install --force cargo-auditable rust-script
+./rust-configure

manual/rust/rust-configure

@@ -0,0 +1,64 @@
+#!/usr/bin/env rust-script
+//! ```cargo
+//! [dependencies]
+//! anyhow = "1.0.69"
+//! dirs = "4.0.0"
+//! ```
+
+use anyhow::Context;
+
+use std::{
+	fs::{self, File},
+	io::{BufRead, BufReader},
+};
+
+const ENV: &str = r#". "$HOME/.cargo/env""#;
+
+fn main() -> anyhow::Result<()> {
+	let home = dirs::home_dir().context("can't find home directory")?;
+	let mut login_path = home.clone();
+	login_path.push(".bash_login");
+	let login = BufReader::new(File::open(&login_path).context("failed to read ~/.bash_login")?);
+	let mut bashrc_path = home.clone();
+	bashrc_path.push(".bashrc");
+	let bashrc = BufReader::new(File::open(&bashrc_path).context("failed to read ~/.bashrc")?);
+
+	let mut empty = false;
+	let mut new_bashrc = String::new();
+	for line in bashrc.lines() {
+		let line = line.context("failed to read line in ~/.bashrc")?;
+		if line.is_empty() && empty {
+			continue;
+		}
+		empty = line.is_empty();
+		if line != ENV {
+			new_bashrc.push_str(&line);
+			new_bashrc.push('\n');
+		}
+	}
+
+	let mut empty = false;
+	let mut new_login = String::new();
+	for line in login.lines() {
+		let line = line.context("failed to read line in ~/.bash_login")?;
+		if line.is_empty() && empty {
+			continue;
+		}
+		empty = line.is_empty();
+		if line != ENV {
+			new_login.push_str(&line);
+			new_login.push('\n');
+		}
+		if line == "# custom" {
+			new_login.push('\n');
+			new_login.push_str(ENV);
+			new_login.push_str("\n\n");
+			empty = true;
+		}
+	}
+
+	fs::write(bashrc_path, &new_bashrc).context("failed to write new .bashrc")?;
+	fs::write(login_path, &new_login).context("failed to write new .bash_login")?;
+
+	Ok(())
+}

setup/rocky-setup.md

@@ -0,0 +1,8 @@
+# Rocky 9 Setup
+
+## OpenSSH Server & Mosh
+
+Same as Ubuntu, but:
+- `s/apt/dnf/g`
+- `s/sshd_config/sshd_config-rhel/g`
+- `s/OpenSSH/SSH/g`

setup/ubuntu-setup.md

@@ -5,13 +5,13 @@ Here's my personal Ubuntu 22.10 setup.  (Make sure to enable Wayland on Nvidia!)
 - Set font size in Terminal to 15 and initial column count to 85
 - Must haves:
 	- `sudo apt install curl ddcutil deja-dup earlyoom ffmpeg flatpak git gnome-boxes gnome-clocks \
-	  gnome-software-plugin-flatpak gnome-sound-recorder gnome-todo gnome-weather goldendict gparted \
+	  gnome-software-plugin-flatpak gnome-sound-recorder endeavour gnome-weather goldendict gparted \
 	  keepassxc mosh mpv needrestart obs-studio shadowsocks-libev sshfs synaptic tmux trash-cli ufw \
-	  vim-gtk3 vlc wl-clipboard`
+	  vim-gtk3 vlc wl-clipboard rg
 - Optional:
 	- `sudo apt install gnome-firmware gnome-games gnome-nettool gnome-packagekit gnome-passwordsafe \
 	  gnome-shell-pomodoro gnome-usage gthumb mkvtoolnix-gui openjdk-17-jdk pulseeffectsqpdf ranger \
-	  syncplay virtualbox-qt heif-gdk-pixbuf heif-thumbnailer`
+	  syncplay virtualbox-qt heif-gdk-pixbuf heif-thumbnailer asciinema`
 - Remove all snaps:
 	- ```
 	  # if this command fails, unmount the snap mounts as reported by `mount` and try again
@@ -49,6 +49,8 @@ Here's my personal Ubuntu 22.10 setup.  (Make sure to enable Wayland on Nvidia!)
 - Cross compiling (?)
 	- `gcc-aarch64-linux-gnu`
 	- `gcc-arm-linux-gnueabihf`
+- Virtualbox
+	- `sudo usermod -aG vboxusers $(whoami)`
 
 ## UFW
 
@@ -228,6 +230,8 @@ sudo chmod -R 700 /opt/grub
 ## OpenSSH Server & Mosh
 
 ```
+# trusted PPA from mosh developer for truecolor support
+# sudo add-apt-repository ppa:keithw/mosh-dev
 sudo apt install -y openssh-server mosh
 sudo cp /etc/ssh/sshd_config /etc/ssh/sshd_config.bak
 sudo cp ../system/sshd/sshd_config /etc/ssh/sshd_config
@@ -240,7 +244,7 @@ chmod 600 ~/.ssh/authorized_keys
 # insert your SSH public keys into the file
 sudo ufw limit OpenSSH
 sudo ufw allow 60001:60999/udp
-sudo systemctl restart ssh
+sudo systemctl reload sshd
 ```
 
 ## See logs as admin

system/sshd/sshd_config

@@ -4,9 +4,9 @@ Port 22
 PermitRootLogin no
 PubkeyAuthentication yes
 PasswordAuthentication no
-# would be deprecated soon by
-# KbdInteractiveAuthentication no
-ChallengeResponseAuthentication no
+# deprecated alias:
+# ChallengeResponseAuthentication no
+KbdInteractiveAuthentication no
 UsePAM yes
 AllowTcpForwarding yes
 X11Forwarding yes

system/sshd/sshd_config-rhel

@@ -0,0 +1,16 @@
+Include /etc/ssh/sshd_config.d/*.conf
+AllowGroups ssh-users
+Port 22
+PermitRootLogin no
+PubkeyAuthentication yes
+PasswordAuthentication no
+# deprecated alias:
+# ChallengeResponseAuthentication no
+KbdInteractiveAuthentication no
+AuthorizedKeysFile .ssh/authorized_keys
+UsePAM yes
+AllowTcpForwarding yes
+X11Forwarding yes
+PrintMotd no
+AcceptEnv LANG LC_* COLORTERM
+Subsystem sftp /usr/libexec/openssh/sftp-server