Now with git in prompt (fix for #13)

config/git.lua

@@ -0,0 +1,50 @@
+---
+ -- Find out current branch
+ -- @return {false|git branch name}
+---
+function get_git_branch()
+    for line in io.popen("git branch 2>nul"):lines() do
+        local m = line:match("%* (.+)$")
+        if m then
+            return m
+        end
+    end
+
+    return false
+end
+
+---
+ -- Get the status of working dir
+ -- @return {bool}
+---
+function get_git_status()
+    return os.execute("git diff-files --quiet --ignore-submodules")
+end
+
+function git_prompt_filter()
+
+    -- Colors for git status
+    local colors = {
+        clean = "\x1b[1;37;40m",
+        dirty = "\x1b[31;1m",
+    }
+
+    local branch = get_git_branch()
+    if branch then
+        -- Has branch => therefore it is a git folder, now figure out status
+        if get_git_status() then
+            color = colors.clean
+        else
+            color = colors.dirty
+        end
+
+        clink.prompt.value = string.gsub(clink.prompt.value, "{git}", color.."("..branch..")")
+        return true
+    end
+
+    -- No git present or not in git file
+    clink.prompt.value = string.gsub(clink.prompt.value, "{git}", "")
+    return false
+end
+
+clink.prompt.register_filter(git_prompt_filter, 50)