build: add -skip-unused, descrease compile time and executable size

Makefile

@@ -1,13 +1,15 @@
-PT_VERSION ?= 0.0.1
-
 all: prod
 
 dev:
 	v -o pt src/
 
 prod:
-	v -prod -cc gcc -cflags -static -o pt src/ \
-		-d pt_version=$(PT_VERSION) \
+	v -prod -skip-unused -cc gcc -cflags '-static -s' -o pt src/ \
+		-d pt_version=$$(git describe --tags) \
 		-d pt_piddir=pt \
 		-d pt_max_recursion_depth=10 \
 		-d pt_default_config_file=~/.ptrc
+
+install:
+	install -Dm0755 pt $$HOME/.local/bin/pt
+	install -Dm0644 completion.bash $${XDG_DATA_HOME:-$$HOME/.local/share}/bash-completion/completions/pt

README.md

@@ -17,15 +17,21 @@ Run and manage background processes without daemon or root privileges. `pt` is a
 
 ## Install
 
+### Prebuilt binary
+
+Look for statically linked binaries on the [releases page](https://github.com/gechandesu/pt/releases).
+
+### Build from source
+
 First install [V compiler](https://github.com/vlang/v).
 
-Clone this repo and do:
+Then do:
 
 ```
+git clone https://github.com/gechandesu/pt.git
 cd pt
 make
-install -Dm0755 pt $HOME/.local/bin/pt
-install -Dm0644 completion.bash ${XDG_DATA_HOME:-$HOME/.local/share}/bash-completion/completions/pt
+make install
 ```
 
 Next step is configuration.
@@ -35,3 +41,40 @@ Next step is configuration.
 Default configuration file is `~/.ptrc`. This is [TOML](https://toml.io) format file.
 
 See full configuration example with comments in [ptrc.toml](ptrc.toml).
+
+## Usage
+
+For example run SOCKS5 proxy over SSH. For this example to work, your computer must have ~/.ssh/config configured and the remote server must also have your SSH key. The ~/.ptrc content:
+
+```toml
+# vim: ft=toml
+[entry.ssh-tunnel]
+description = 'SSH tunnel to %server%'
+labels = ['ssh', 'pl']
+exec = [
+    '/usr/bin/ssh',
+    '-NT',
+    '-oServerAliveInterval=60',
+    '-oExitOnForwardFailure=yes',
+    '-D',
+    '127.0.0.1:1080',
+    '192.168.0.1', # server address or hostname here
+]
+```
+
+Start process:
+```
+$ pt start ssh-tunnel
+```
+
+Show running processes:
+```
+$ pt ps
+```
+
+Stop `ssh-tunnel`:
+```
+$ pt stop ssh-tunnel
+# OR send signal explicitly
+$ pt signal TERM ssh-tunnel
+```

completion.bash

@@ -11,13 +11,13 @@ _pt_completions()
             ;;
         -l|-label)
             if [[ ${COMP_WORDS[*]} =~ start ]]; then
-                COMPREPLY+=($(compgen -W "$(./pt labels)" -- "$cur"))
+                COMPREPLY+=($(compgen -W "$(pt labels)" -- "$cur"))
             fi
             ;;
         *)
-            local words=($(./pt ls -o brief) start stop signal)
+            local words=($(pt ls -o brief) start stop signal)
             if [[ ${words[*]} =~ $prev ]]; then
-                COMPREPLY+=($(compgen -W "$(./pt ls -o brief)" -- "$cur"))
+                COMPREPLY+=($(compgen -W "$(pt ls -o brief)" -- "$cur"))
             fi
             local commands='start stop ls ps help version signal labels'
             local invoked=()

src/em.v

@@ -19,7 +19,7 @@ fn (em EntryManager) labels() []string {
 	for _, val in em.config.entries {
 		labels << val.labels
 	}
-	return arrays.uniq(labels)
+	return arrays.uniq(labels.sorted())
 }
 
 fn (em EntryManager) by_labels(labels []string) []Entry {