Misc: setup, fish, auto, helix, starship, system

- Setup: add Fedora guides, Signal, Dynamic Desktop, and Flatseal
- Shells: fix $() on older fish versions and unalias batcat on Fedora
- Auto:
    - Detect git dependency
    - Add .clang-format for C/C++ family
    - Add full-setup script
- Helix: update to 24.03, add text width, rulers, and fix reflow
- Rust: fix fish env
- Starship: fix config path
- System: rename mac fnmode scripts and update sshd_config

manual/helix/helix

@@ -21,7 +21,7 @@ fi
 rm -rf helix-git
 git clone --single-branch https://github.com/helix-editor/helix helix-git
 cd helix-git
-git checkout 84e24b33dcda16d1d64805f34dcc02d82d0de8f1
+git checkout 2cadec0b1182332338a5a1cc3062776f834d8835
 cargo install -f --locked --path helix-term
 mkdir -p ~/.config/helix
 rm -rf runtime/grammars/sources
@@ -38,14 +38,14 @@ cat > ~/.config/helix/config.toml << 'EOF'
 theme = "monokai_pro_spectrum"
 
 [keys.normal]
-space.z = ":reflow 100"
+space.z = ":reflow"
 space.i = ":toggle lsp.display-inlay-hints"
 space.u = ":update"
 
 [editor]
 line-number = "relative"
 bufferline = "multiple"
-rulers = [101]
+rulers = [81, 101]
 
 [editor.lsp]
 display-messages = true
@@ -66,6 +66,7 @@ cat > ~/.config/helix/languages.toml << 'EOF'
 name = 'rust'
 indent = { tab-width = 4, unit = "\t" }
 shebangs = ["rust-script"]
+text-width = 100
 
 [language-server.rust-analyzer.config]
 checkOnSave = { command = "clippy" }
@@ -73,25 +74,31 @@ checkOnSave = { command = "clippy" }
 [[language]]
 name = "c"
 indent = { tab-width = 4, unit = "\t" }
+text-width = 100
 
 [[language]]
 name = "cpp"
 indent = { tab-width = 4, unit = "\t" }
+text-width = 100
 
 [[language]]
 name = 'java'
 indent = { tab-width = 4, unit = "\t" }
+text-width = 100
 
 [[language]]
 name = "bash"
 indent = { tab-width = 4, unit = "\t" }
+text-width = 100
 
 [[language]]
 name = "toml"
 indent = { tab-width = 4, unit = "\t" }
+text-width = 100
 
 [[language]]
 name = "markdown"
+text-width = 80
 indent = { tab-width = 4, unit = "\t" }
 language-servers = [ "ltex-ls" ]
 file-types = ["md"]

manual/rust/rust-configure

@@ -14,7 +14,7 @@ use std::{
 
 const ENV: &str = r#". "$HOME/.cargo/env""#;
 // until the release of https://github.com/rust-lang/rustup/pull/3506/files
-const ENV_FISH: &str = r#"export PATH="$HOME/.cargo/bin:$PATH""#;
+const ENV_FISH: &str = r#"set -x PATH "$HOME/.cargo/bin" $PATH"#;
 
 fn main() -> anyhow::Result<()> {
 	let home = dirs::home_dir().context("can't find home directory")?;

manual/starship/starship

@@ -11,7 +11,7 @@ cargo install starship --locked
 echo 'eval "$(starship init bash)"' >> ~/.bashrc
 mkdir -p ~/.config/fish
 echo 'starship init fish | source' >> ~/.config/fish/config.fish
-cat >> ~/.config << 'EOF'
+cat >> ~/.config/starship.toml << 'EOF'
 [status]
 map_symbol = true
 format = '[$symbol$common_meaning$signal_name$maybe_int]($style) '