feat: Add installation script

Author: hyperupcall

docs/installation.md

@@ -16,10 +16,18 @@ See the full list of supported operating systems in [Support](./support.md)
 
 ## Install
 
+### Scripted
+
+```sh
+curl -Lo- https://raw.githubusercontent.com/eankeen/bpm/main/scripts/install.sh | bash
+```
+
+### Manual
+
 ##### 1. Clone `bpm`
 
 ```sh
-git clone https://github.com/bpmpm/bpm "${XDG_DATA_HOME:-$HOME/.local/share}/bpm/source"
+git clone https://github.com/eankeen/bpm "${XDG_DATA_HOME:-$HOME/.local/share}/bpm/source"
 ```
 
 By default, this installs bpm to `$HOME/.local/share/bpm/source`
@@ -40,7 +48,7 @@ For `fish`
 
 ```fish
 set -gx PATH "${XDG_DATA_HOME:-$HOME/.local/share}/bpm/source/pkg/bin" $PATH
-status --is-interactive; and . (bpm init fish | psub)
+source (bpm init fish | psub)
 ```
 
 And now you're done! Move on to [Getting Started](./getting-started.md) to learn the basics

scripts/install.sh

@@ -1,2 +1,37 @@
 #!/usr/bin/env sh
 
+cloneDir="${XDG_DATA_HOME:-$HOME/.local/share}/bpm/source"
+
+if [ -d "$cloneDir" ]; then
+	printf "%s" "Error: bpm already installed to '$cloneDir'"
+	exit 1
+fi
+
+git clone https://github.com/eankeen/bpm "$cloneDir"
+
+bashrc="$HOME/.bashrc"
+if [ -f "$bashrc" ]; then
+	cat >> "$bashrc" <<-"EOF"
+	# bpm
+	export PATH="${XDG_DATA_HOME:-$HOME/.local/share}/bpm/source/pkg/bin:$PATH"
+	eval "$(bpm init bash)"
+	EOF
+fi
+
+zshrc="${ZDOTDIR:-$HOME/.zshrc}"
+if [ -f "$zshrc" ]; then
+	cat >> "$zshrc" <<-"EOF"
+	# bpm
+	export PATH="${XDG_DATA_HOME:-$HOME/.local/share}/bpm/source/pkg/bin:$PATH"
+	eval "$(bpm init zsh)"
+	EOF
+fi
+
+fishrc="${XDG_CONFIG_HOME:-$HOME/.config}/fish/config.fish"
+if [ -f "$fishrc" ]; then
+	cat >> "$fishrc" <<-"EOF"
+	# bpm
+	set -gx PATH "${XDG_DATA_HOME:-$HOME/.local/share}/bpm/source/pkg/bin" $PATH
+	source (bpm init fish | psub)
+	EOF
+fi