Ignore $GOPATH everywhere and ~/Library on macOS

ui/ignore.go

@@ -0,0 +1,39 @@
+package ui
+
+import (
+	"os"
+	"strings"
+)
+
+// Returns whether or not the given path contains a file or directory starting
+// with a dot. This is relative to the current working directory, so if you're
+// in a dot directory and browsing files beneath this function won't return
+// true every time.
+func isDotFileOrDir(cwd, path string) bool {
+	p := strings.Replace(path, cwd, "", 1)
+	for _, v := range strings.Split(p, string(os.PathSeparator)) {
+		if len(v) > 0 && v[0] == '.' {
+			return true
+		}
+	}
+	return false
+}
+
+// Returns whether or not a path is a child of a given path. For example:
+//
+//      parent := "/usr/local/bin"
+//      child := "/usr/local/bin/glow"
+//      pathIsChild(parent, child) // true
+//
+func pathIsChild(parent, child string) bool {
+	if len(parent) == 0 || len(child) == 0 {
+		return false
+	}
+	if len(parent) > len(child) {
+		return false
+	}
+	if strings.Compare(parent, child[:len(parent)]) == 0 {
+		return true
+	}
+	return false
+}

ui/ignore_darwin.go

@@ -0,0 +1,18 @@
+// +build darwin
+
+package ui
+
+import "os"
+
+func ignorePath(m model, p string) bool {
+	if isDotFileOrDir(m.cwd, p) {
+		return true
+	}
+	if pathIsChild(m.cfg.Gopath, p) {
+		return true
+	}
+
+	// Look for ~/Library on macOS
+	macOSLibraryPath := m.cfg.HomeDir + string(os.PathSeparator) + "Library"
+	return pathIsChild(macOSLibraryPath, p)
+}

ui/ignore_general.go

@@ -0,0 +1,11 @@
+// +build !darwin
+
+package ui
+
+// Whether or not we should ignore the given path
+func ignorePath(m model, p string) bool {
+	if isDotFileOrDir(m.cwd, p) {
+		return true
+	}
+	return pathIsChild(m.cfg.Gopath, p)
+}

ui/ui.go

@@ -33,6 +33,8 @@ var (
 // Config contains configuration specified to the TUI.
 type Config struct {
 	ShowAllFiles bool
+	Gopath       string `env:"GOPATH"`
+	HomeDir      string `env:"HOME"`
 
 	// For debugging the UI
 	Logfile              string `env:"GLOW_UI_LOGFILE"`
@@ -428,7 +430,7 @@ func findNextLocalFile(m model) tea.Cmd {
 	return func() tea.Msg {
 		res, ok := <-m.localFileFinder
 
-		if !m.cfg.ShowAllFiles && isDotFileOrDir(m.cwd, res.Path) {
+		if !m.cfg.ShowAllFiles && ignorePath(m, res.Path) {
 			if debug {
 				log.Println("ignoring file:", res.Path)
 			}
@@ -616,20 +618,6 @@ func localFileToMarkdown(cwd string, res gitcha.SearchResult) *markdown {
 	return md
 }
 
-// Returns whether or not the given path contains a file or directory starting
-// with a dot. This is relative to the current working directory, so if you're
-// in a dot directory and browsing files beneath this function won't return
-// true every time.
-func isDotFileOrDir(cwd, path string) bool {
-	p := strings.Replace(path, cwd, "", 1)
-	for _, v := range strings.Split(p, string(os.PathSeparator)) {
-		if len(v) > 0 && v[0] == '.' {
-			return true
-		}
-	}
-	return false
-}
-
 // Lightweight version of reflow's indent function.
 func indent(s string, n int) string {
 	if n <= 0 || s == "" {