Provide a --bash option similar to --zsh

This should address #4.

color.d

@@ -2,7 +2,11 @@ import std.typecons : Flag;
 
 alias UseColor = Flag!"UseColor";
 
-alias ZshEscapes = Flag!"ZshEscapes";
+enum Escapes {
+	none,
+	bash,
+	zsh
+}
 
 mixin(makeColorFunction("cyan", 36));
 mixin(makeColorFunction("green", 32));
@@ -17,10 +21,17 @@ string makeColorFunction(string name, int code)
 	import std.conv : to;
 	return
 	`
-	string ` ~ name ~ `(ZshEscapes escapes)
+	string ` ~ name ~ `(Escapes escapes)
 	{
 		string ret = "\33[` ~ code.to!string ~ `m";
-		return escapes ? zshEscape(ret) : ret;
+		final switch (escapes) {
+			case Escapes.none:
+				return ret;
+			case Escapes.bash:
+				return bashEscape(ret);
+			case Escapes.zsh:
+				return zshEscape(ret);
+		}
 	}
 	`;
 }
@@ -29,3 +40,8 @@ string zshEscape(string code)
 {
 	return  "%{" ~ code ~ "%}";
 }
+
+string bashEscape(string code)
+{
+	return `\[` ~ code ~ `\]`;
+}

git.d

@@ -35,7 +35,7 @@ struct RepoStatus {
  *   escapes = Whether or not ZSH escapes are needed. Ignored if no colors are desired.
  *
  */
-string stringRepOfStatus(Duration allottedTime, UseColor colors, ZshEscapes escapes)
+string stringRepOfStatus(Duration allottedTime, UseColor colors, Escapes escapes)
 {
 	// getRepoStatus will return null if we are not in a repo
 	auto status = getRepoStatus(allottedTime);
@@ -44,7 +44,7 @@ string stringRepOfStatus(Duration allottedTime, UseColor colors, ZshEscapes esca
 
 	// Local function that colors a source string if the colors flag is set.
 	string colorText(string source,
-	                 string function(ZshEscapes) colorFunction)
+	                 string function(Escapes) colorFunction)
 	{
 		if (!colors)
 			return source;

promptd-path.d

@@ -49,7 +49,7 @@ void main(string[] args)
 }
 
 string versionString = q"EOS
-promptd-path by Matt Kline, version 0.2
+promptd-path by Matt Kline, version 0.3
 Part of the promptd tool set
 EOS";
 

promptd-vcs.d

@@ -12,7 +12,7 @@ void main(string[] args)
 {
 	uint timeLimit = 500;
 	bool noColor;
-	bool zsh;
+	bool bash, zsh;
 
 	try {
 		getopt(args,
@@ -22,22 +22,34 @@ void main(string[] args)
 			"version|v", { writeAndSucceed(versionString); },
 			"time-limit|t", &timeLimit,
 			"no-color", &noColor,
+			"bash|b", &bash,
 			"zsh|z", &zsh);
 	}
 	catch (GetOptException ex) {
 		writeAndFail(ex.msg, "\n", helpString);
 	}
 
+	if (bash && zsh)
+		writeAndFail("Both --bash and --zsh specified. Wat.");
+
+	Escapes escapesToUse;
+	if (bash)
+		escapesToUse = Escapes.bash;
+	else if (zsh)
+		escapesToUse = Escapes.zsh;
+	else // Redundant (none is the default), but more explicit.
+		escapesToUse = Escapes.none;
+
 	string vcsInfo = stringRepOfStatus(
 		timeLimit.msecs,
 		noColor ? UseColor.no : UseColor.yes,
-		zsh ? ZshEscapes.yes : ZshEscapes.no);
+		escapesToUse);
 
 	write(vcsInfo);
 }
 
 string versionString = q"EOS
-promptd-vcs by Matt Kline, version 0.2
+promptd-vcs by Matt Kline, version 0.3
 Part of the promptd tool set
 EOS";
 
@@ -67,7 +79,11 @@ Options:
   --no-color
     Disables colored output, which is on by default
 
-  --zsh|z
+  --bash, -b
+    Used to emit additional escapes needed for color sequences in Bash prompts.
+    Ignored if --no-color is specified.
+
+  --zsh, -z
     Used to emit additional escapes needed for color sequences in ZSH prompts.
     Ignored if --no-color is specified.