Add ssh component

.gitignore

@@ -1,39 +1,24 @@
-# Created by https://www.toptal.com/developers/gitignore/api/d,macos,linux,windows
-# Edit at https://www.toptal.com/developers/gitignore?templates=d,macos,linux,windows
-
-### D ###
-# Compiled Object files
-*.o
-*.obj
-
-# Compiled Dynamic libraries
-*.so
-*.dylib
-*.dll
-
-# Compiled Static libraries
-*.a
-*.lib
-
-# Executables
-*.exe
-
-# DUB
 .dub
 docs.json
 __dummy.html
 docs/
-
-# Code coverage
+/prim
+prim.so
+prim.dylib
+prim.dll
+prim.a
+prim.lib
+prim-test-*
+*.exe
+*.pdb
+*.o
+*.obj
 *.lst
-
-### D Patch ###
-# Test Executables
-*-test-*
-
-# Comment to allow dub lock file to be version controlled as well
 dub.selections.json
 
+# Created by https://www.toptal.com/developers/gitignore/api/macos,windows,linux
+# Edit at https://www.toptal.com/developers/gitignore?templates=macos,windows,linux
+
 ### Linux ###
 *~
 
@@ -107,5 +92,5 @@ $RECYCLE.BIN/
 # Windows shortcuts
 *.lnk
 
-# End of https://www.toptal.com/developers/gitignore/api/d,macos,linux,windows
+# End of https://www.toptal.com/developers/gitignore/api/macos,windows,linux
 

dub.json

@@ -3,7 +3,9 @@
 		"zerocool"
 	],
 	"copyright": "Copyright © 2023, zerocool",
+	"dependencies": {
+	},
 	"description": "A minimal D application.",
 	"license": "proprietary",
 	"name": "prim"
-}
+}

hook.zsh

@@ -1,13 +1,9 @@
+prompt_precmd() {
+  export PS1=$'`prim --ps1 --col "$COLUMNS" --row "$LINES" --status "$?" --pchar "*"`'
+  export RPS1=$'`prim --rps1 --col "$COLUMNS" --row "$LINES" --status "$?"`'
+}
+
+autoload -Uz add-zsh-hook 
 setopt promptsubst
 
-prompt_precmd() {
-  export PS1=`prim --ps1 --col $COLUMNS --row $LINES --status $?`
-  export RPS1=`prim --rps1 --col $COLUMNS --row $LINES --status $?`
-}
-
-prompt_preexec() {
-  print -P `prim --preexec --col $COLUMNS --row $LINES --status $?`
-}
-
 add-zsh-hook precmd prompt_precmd
-add-zsh-hook preexec prompt_preexec

source/app.d

@@ -14,34 +14,48 @@ Opts defaultOpts() {
   Opts opts;
 
   opts.pathlen = 3;
+  opts.pchar = "*";
 
   return opts;
 }
 
+void printHelp(GetoptResult args) {
+  defaultGetoptPrinter("prim prompt:\n", args.options);
+  writeln("\nEnvironment:\n",
+    "\tNO_COLOR\tsee https://no-color.org");
+}
+
 void main(string[] argv) {
   Opts opts = defaultOpts();
 
-  GetoptResult args = getopt(
-    argv,
-    std.getopt.config.bundling,
-    "ps1|p", "print PS1", &opts.ps1,
-    "rps1|r", "print RPS1", &opts.rps1,
-    "preexec|x", "print preexec", &opts.preexec,
+  try {
 
-    std.getopt.config.required,
-    "col", "terminal width", &opts.col,
+    GetoptResult args = getopt(
+      argv,
+      std.getopt.config.bundling,
+      "ps1|p", "print PS1", &opts.ps1,
+      "rps1|r", "print RPS1", &opts.rps1,
+      "preexec|x", "print preexec", &opts.preexec,
 
-    std.getopt.config.required,
-    "row", "terminal height", &opts.row,
+      std.getopt.config.required,
+      "col", "terminal width", &opts.col,
 
-    std.getopt.config.required,
-    "status", "previous command exit code", &opts.status,
+      std.getopt.config.required,
+      "row", "terminal height", &opts.row,
 
-    "pathlen", "set length of displayed path", &opts.pathlen,
-  );
+      std.getopt.config.required,
+      "status", "previous command exit code", &opts.status,
 
-  if (args.helpWanted) {
-    defaultGetoptPrinter("prim", args.options);
+      "pathlen", "set length of displayed path", &opts.pathlen,
+      "pchar", "override default prompt character", &opts.pchar,
+    );
+
+    if (args.helpWanted) {
+      printHelp(args);
+    }
+  } catch (Exception e) {
+    writeln(e.msg);
+    writeln("try '--help' for more information");
   }
 
   dorun(opts);
@@ -53,7 +67,7 @@ void dorun(Opts opts) {
   }
 
   if (opts.preexec) {
-    preexec(opts.col).write();
+    preexec(opts).write();
   }
 
   if (opts.rps1) {

source/comp/git.d

@@ -0,0 +1,28 @@
+module comp.git;
+
+import std.stdio;
+import std.file : dirEntries, SpanMode;
+import std.process;
+import std.string : strip;
+
+string gitBranch() {
+  auto result = execute(["git", "rev-parse", "--abbrev-ref", "HEAD"]);
+
+  if (result.status != 0)
+    return null;
+
+  return result.output.strip();
+}
+
+string gitStatus() {
+  auto result = execute(["git", "status", "--porcelain"]);
+
+  if (result.status != 0)
+    return null;
+
+  if (result.output.length >= 1) {
+    return "*";
+  }
+
+  return "";
+}

source/comp/hr.d

@@ -4,7 +4,7 @@ string hr(int col) {
   string ps;
 
   foreach (i; 0 .. col) {
-    ps ~= '—';
+    ps ~= '─';
   }
 
   return ps;

source/comp/path.d

@@ -0,0 +1,33 @@
+module comp.path;
+
+import std.conv;
+import std.regex;
+import std.array;
+
+import std.file : getcwd;
+import std.path : expandTilde;
+import std.algorithm : reverse;
+
+string path(int pathlen) {
+  string ps;
+
+  string home = expandTilde("~");
+  string path = replaceFirst(getcwd(), regex(home), "~");
+
+  string[] splitPath = path.split("/").reverse();
+
+  string[] revSplitPath;
+  for (int i = 0; i < pathlen; i++) {
+    if (i >= splitPath.length)
+      break;
+
+    revSplitPath ~= splitPath[i];
+  }
+
+  splitPath = revSplitPath.reverse();
+
+  ps ~= splitPath.join("/");
+
+  return ps ~ "/";
+
+}

source/comp/ssh.d

@@ -0,0 +1,22 @@
+module comp.ssh;
+
+import std.process : environment;
+import std.socket : Socket;
+
+string ssh() {
+  string ssh = environment.get("SSH_TTY");
+  string username = environment.get("USER");
+  username = username ? username : "";
+
+  if (!ssh) {
+    return "";
+  }
+
+  auto s = new Socket();
+  scope (exit)
+    s.close();
+
+  string hostname = s.hostName;
+
+  return username ~ "@" ~ hostname;
+}

source/opt.d

@@ -6,6 +6,7 @@ struct Opts {
   bool preexec;
 
   int pathlen;
+  string pchar;
 
   int col;
   int row;

source/prompt/preexec.d

@@ -1,10 +1,11 @@
 module prompt.preexec;
 
+import prim.opt;
 import comp.hr;
 
 import style;
 import style.color;
 
-string preexec(int col) {
-  return hr(col).set(Color.black);
+string preexec(Opts opt) {
+  return "";
 }

source/prompt/ps1.d

@@ -3,7 +3,10 @@ module prompt.ps1;
 import std.conv;
 
 import prim.opt;
+
 import comp.hr;
+import comp.path;
+import comp.ssh;
 
 import style;
 import style.color;
@@ -12,14 +15,14 @@ import style.font;
 string ps1(Opts opt) {
   string ps;
 
-  // divider
-  ps ~= hr(opt.col).set(Color.black);
+  string pathstr = path(opt.pathlen).set(Color.magenta).set(Font.italic).set(Font.bold);
 
-  // previous command status
-  ps ~= ("(" ~ to!string(opt.status) ~ ") ").set(Color.black);
-
-  // prompt char
-  ps ~= "|> ".set(Font.bold).set(opt.status == 0 ? Color.green : Color.red);
+  ps ~= "\n";
+  ps ~= (",-(" ~ pathstr ~ ")".set(Color.black)).set(Color.black);
+  ps ~= " " ~ ssh().set(Color.cyan);
+  ps ~= "\n";
 
+  ps ~= ("`-(" ~ to!string(opt.status).set(Color.yellow) ~ ") ".set(Color.black)).set(Color.black); // prompt char
+  ps ~= (opt.pchar ~ " ").set(Font.bold).set(opt.status == 0 ? Color.green : Color.red);
   return ps;
 }

source/prompt/rps1.d

@@ -1,15 +1,10 @@
 module prompt.rps1;
 
-import std.conv;
-import std.regex;
-import std.array;
-
-import std.file : getcwd;
-import std.path : expandTilde;
-import std.algorithm : reverse;
-
 import prim.opt;
 
+import comp.path;
+import comp.git;
+
 import style;
 import style.color;
 import style.font;
@@ -17,22 +12,8 @@ import style.font;
 string rps1(Opts opt) {
   string ps;
 
-  string home = expandTilde("~");
-  string path = replaceFirst(getcwd(), regex(home), "~");
+  ps ~= (gitBranch()).set(Font.bold).set(Color.cyan);
+  ps ~= (gitStatus());
 
-  string[] splitPath = path.split("/").reverse();
-
-  string[] revSplitPath;
-  for (int i = 0; i < opt.pathlen; i++) {
-    if (i >= splitPath.length)
-      break;
-
-    revSplitPath ~= splitPath[i];
-  }
-
-  splitPath = revSplitPath.reverse();
-
-  ps ~= splitPath.join("/");
-
-  return ps.set(Font.italic).set(Color.yellow);
+  return ps;
 }

source/style/color.d

@@ -38,3 +38,16 @@ enum Bg {
   def,
   reset = 0
 }
+
+enum BrightBg {
+  black = 100,
+  red,
+  green,
+  yellow,
+  blue,
+  magenta,
+  cyan,
+  white,
+  def,
+  reset = 0
+}

source/style/package.d

@@ -1,9 +1,22 @@
 module style;
 
 import std.conv;
+import core.stdc.stdlib : getenv;
 
 import style.color;
 
 string set(string s, int code) {
-  return ("%{\x1b[" ~ to!string(code) ~ "m%}") ~ s ~ ("%{\x1b[" ~ to!string((Color.reset + 0)) ~ "m%}");
+  if (getenv("NO_COLOR"))
+    return s;
+
+  return ("%{\x1b[" ~ to!string(code) ~ "m%}") ~ s ~ (
+    "%{\x1b[" ~ to!string((Color.reset + 0)) ~ "m%}");
+}
+
+string set(string s, int code, bool close) {
+  if (getenv("NO_COLOR"))
+    return s;
+
+  return ("%{\x1b[" ~ to!string(code) ~ "m%}") ~ s ~ (close ? (
+      "%{\x1b[" ~ to!string((Color.reset + 0)) ~ "m%}") : "");
 }