Merge pull request #688 from chrisallenlane/4.2.7

4.2.7

INSTALLING.md

@@ -9,13 +9,13 @@ On Unix-like systems, you may simply paste the following snippet into your termi
 
 ```sh
 cd /tmp \
-  && wget https://github.com/cheat/cheat/releases/download/4.2.5/cheat-linux-amd64.gz \
+  && wget https://github.com/cheat/cheat/releases/download/4.2.7/cheat-linux-amd64.gz \
   && gunzip cheat-linux-amd64.gz \
   && chmod +x cheat-linux-amd64 \
   && sudo mv cheat-linux-amd64 /usr/local/bin/cheat
 ```
 
-You may need to need to change the version number (`4.2.5`) and the archive
+You may need to need to change the version number (`4.2.7`) and the archive
 (`cheat-linux-amd64.gz`) depending on your platform.
 
 See the [releases page][releases] for a list of supported platforms.

cmd/cheat/cmd_directories.go

@@ -18,11 +18,7 @@ func cmdDirectories(opts map[string]interface{}, conf config.Config) {
 
 	// generate sorted, columnized output
 	for _, path := range conf.Cheatpaths {
-		fmt.Fprintln(w, fmt.Sprintf(
+		fmt.Fprintf(w, "%s:\t%s\n", path.Name, path.Path)
-			"%s:\t%s",
-			path.Name,
-			path.Path,
-		))
 	}
 
 	// write columnized output to stdout

cmd/cheat/cmd_edit.go

@@ -20,7 +20,7 @@ func cmdEdit(opts map[string]interface{}, conf config.Config) {
 	// load the cheatsheets
 	cheatsheets, err := sheets.Load(conf.Cheatpaths)
 	if err != nil {
-		fmt.Fprintln(os.Stderr, fmt.Sprintf("failed to list cheatsheets: %v", err))
+		fmt.Fprintf(os.Stderr, "failed to list cheatsheets: %v\n", err)
 		os.Exit(1)
 	}
 

cmd/cheat/cmd_list.go

@@ -21,7 +21,7 @@ func cmdList(opts map[string]interface{}, conf config.Config) {
 	// load the cheatsheets
 	cheatsheets, err := sheets.Load(conf.Cheatpaths)
 	if err != nil {
-		fmt.Fprintln(os.Stderr, fmt.Sprintf("failed to list cheatsheets: %v", err))
+		fmt.Fprintf(os.Stderr, "failed to list cheatsheets: %v\n", err)
 		os.Exit(1)
 	}
 
@@ -63,10 +63,7 @@ func cmdList(opts map[string]interface{}, conf config.Config) {
 		// compile the regex
 		reg, err := regexp.Compile(pattern)
 		if err != nil {
-			fmt.Fprintln(
+			fmt.Fprintf(os.Stderr, "failed to compile regexp: %s, %v\n", pattern, err)
-				os.Stderr,
-				fmt.Sprintf("failed to compile regexp: %s, %v", pattern, err),
-			)
 			os.Exit(1)
 		}
 
@@ -95,12 +92,7 @@ func cmdList(opts map[string]interface{}, conf config.Config) {
 
 	// generate sorted, columnized output
 	for _, sheet := range flattened {
-		fmt.Fprintln(w, fmt.Sprintf(
+		fmt.Fprintf(w, "%s\t%s\t%s\n", sheet.Title, sheet.Path, strings.Join(sheet.Tags, ","))
-			"%s\t%s\t%s",
-			sheet.Title,
-			sheet.Path,
-			strings.Join(sheet.Tags, ","),
-		))
 	}
 
 	// write columnized output to stdout

cmd/cheat/cmd_remove.go

@@ -17,7 +17,7 @@ func cmdRemove(opts map[string]interface{}, conf config.Config) {
 	// load the cheatsheets
 	cheatsheets, err := sheets.Load(conf.Cheatpaths)
 	if err != nil {
-		fmt.Fprintln(os.Stderr, fmt.Sprintf("failed to list cheatsheets: %v", err))
+		fmt.Fprintf(os.Stderr, "failed to list cheatsheets: %v\n", err)
 		os.Exit(1)
 	}
 
@@ -37,19 +37,19 @@ func cmdRemove(opts map[string]interface{}, conf config.Config) {
 	// fail early if the requested cheatsheet does not exist
 	sheet, ok := consolidated[cheatsheet]
 	if !ok {
-		fmt.Fprintln(os.Stderr, fmt.Sprintf("No cheatsheet found for '%s'.\n", cheatsheet))
+		fmt.Fprintf(os.Stderr, "No cheatsheet found for '%s'.\n", cheatsheet)
 		os.Exit(2)
 	}
 
 	// fail early if the sheet is read-only
 	if sheet.ReadOnly {
-		fmt.Fprintln(os.Stderr, fmt.Sprintf("cheatsheet '%s' is read-only.", cheatsheet))
+		fmt.Fprintf(os.Stderr, "cheatsheet '%s' is read-only.\n", cheatsheet)
 		os.Exit(1)
 	}
 
 	// otherwise, attempt to delete the sheet
 	if err := os.Remove(sheet.Path); err != nil {
-		fmt.Fprintln(os.Stderr, fmt.Sprintf("failed to delete sheet: %s, %v", sheet.Title, err))
+		fmt.Fprintf(os.Stderr, "failed to delete sheet: %s, %v\n", sheet.Title, err)
 		os.Exit(1)
 	}
 }

cmd/cheat/cmd_search.go

@@ -19,7 +19,7 @@ func cmdSearch(opts map[string]interface{}, conf config.Config) {
 	// load the cheatsheets
 	cheatsheets, err := sheets.Load(conf.Cheatpaths)
 	if err != nil {
-		fmt.Fprintln(os.Stderr, fmt.Sprintf("failed to list cheatsheets: %v", err))
+		fmt.Fprintf(os.Stderr, "failed to list cheatsheets: %v\n", err)
 		os.Exit(1)
 	}
 
@@ -55,13 +55,13 @@ func cmdSearch(opts map[string]interface{}, conf config.Config) {
 			// compile the regex
 			reg, err := regexp.Compile(pattern)
 			if err != nil {
-				fmt.Fprintln(os.Stderr, fmt.Sprintf("failed to compile regexp: %s, %v", pattern, err))
+				fmt.Fprintf(os.Stderr, "failed to compile regexp: %s, %v\n", pattern, err)
 				os.Exit(1)
 			}
 
-			// `Search` will return text entries that match the search terms. We're
+			// `Search` will return text entries that match the search terms.
-			// using it here to overwrite the prior cheatsheet Text, filtering it to
+			// We're using it here to overwrite the prior cheatsheet Text,
-			// only what is relevant
+			// filtering it to only what is relevant.
 			sheet.Text = sheet.Search(reg)
 
 			// if the sheet did not match the search, ignore it and move on
@@ -74,14 +74,16 @@ func cmdSearch(opts map[string]interface{}, conf config.Config) {
 				sheet.Colorize(conf)
 			}
 
-			// display the cheatsheet title and path
+			// display the cheatsheet body
-			out += fmt.Sprintf("%s %s\n",
+			out += fmt.Sprintf(
-				display.Underline(sheet.Title),
+				"%s %s\n%s\n",
+				// append the cheatsheet title
+				sheet.Title,
+				// append the cheatsheet path
 				display.Faint(fmt.Sprintf("(%s)", sheet.CheatPath), conf),
-			)
-
 				// indent each line of content
-			out += display.Indent(sheet.Text) + "\n"
+				display.Indent(sheet.Text),
+			)
 		}
 	}
 
@@ -89,7 +91,7 @@ func cmdSearch(opts map[string]interface{}, conf config.Config) {
 	out = strings.TrimSpace(out)
 
 	// display the output
-	// NB: resist the temptation to call `display.Display` multiple times in
+	// NB: resist the temptation to call `display.Write` multiple times in the
-	// the loop above. That will not play nicely with the paginator.
+	// loop above. That will not play nicely with the paginator.
 	display.Write(out, conf)
 }

cmd/cheat/cmd_tags.go

@@ -15,7 +15,7 @@ func cmdTags(opts map[string]interface{}, conf config.Config) {
 	// load the cheatsheets
 	cheatsheets, err := sheets.Load(conf.Cheatpaths)
 	if err != nil {
-		fmt.Fprintln(os.Stderr, fmt.Sprintf("failed to list cheatsheets: %v", err))
+		fmt.Fprintf(os.Stderr, "failed to list cheatsheets: %v\n", err)
 		os.Exit(1)
 	}
 

cmd/cheat/cmd_view.go

@@ -18,7 +18,7 @@ func cmdView(opts map[string]interface{}, conf config.Config) {
 	// load the cheatsheets
 	cheatsheets, err := sheets.Load(conf.Cheatpaths)
 	if err != nil {
-		fmt.Fprintln(os.Stderr, fmt.Sprintf("failed to list cheatsheets: %v", err))
+		fmt.Fprintf(os.Stderr, "failed to list cheatsheets: %v\n", err)
 		os.Exit(1)
 	}
 
@@ -41,7 +41,7 @@ func cmdView(opts map[string]interface{}, conf config.Config) {
 
 				// identify the matching cheatsheet
 				out += fmt.Sprintf("%s %s\n",
-					display.Underline(sheet.Title),
+					sheet.Title,
 					display.Faint(fmt.Sprintf("(%s)", sheet.CheatPath), conf),
 				)
 

cmd/cheat/main.go

@@ -16,7 +16,7 @@ import (
 	"github.com/cheat/cheat/internal/installer"
 )
 
-const version = "4.2.6"
+const version = "4.2.7"
 
 func main() {
 

internal/cheatpath/filter_test.go

@@ -46,7 +46,7 @@ func TestFilterFailure(t *testing.T) {
 	}
 
 	// filter the paths
-	paths, err := Filter(paths, "qux")
+	_, err := Filter(paths, "qux")
 	if err == nil {
 		t.Errorf("failed to return an error on non-existent cheatpath")
 	}

internal/cheatpath/writeable.go

@@ -11,12 +11,10 @@ func Writeable(cheatpaths []Cheatpath) (Cheatpath, error) {
 	// NB: we're going backwards because we assume that the most "local"
 	// cheatpath will be specified last in the configs
 	for i := len(cheatpaths) - 1; i >= 0; i-- {
-
 		// if the cheatpath is not read-only, it is writeable, and thus returned
-		if cheatpaths[i].ReadOnly == false {
+		if !cheatpaths[i].ReadOnly {
 			return cheatpaths[i], nil
 		}
-
 	}
 
 	// otherwise, return an error

internal/config/config.go

@@ -2,7 +2,6 @@ package config
 
 import (
 	"fmt"
-	"io/ioutil"
 	"os"
 	"os/exec"
 	"path/filepath"
@@ -29,7 +28,7 @@ type Config struct {
 func New(opts map[string]interface{}, confPath string, resolve bool) (Config, error) {
 
 	// read the config file
-	buf, err := ioutil.ReadFile(confPath)
+	buf, err := os.ReadFile(confPath)
 	if err != nil {
 		return Config{}, fmt.Errorf("could not read config file: %v", err)
 	}

internal/config/init.go

@@ -2,7 +2,6 @@ package config
 
 import (
 	"fmt"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 )
@@ -16,7 +15,7 @@ func Init(confpath string, configs string) error {
 	}
 
 	// write the config file
-	if err := ioutil.WriteFile(confpath, []byte(configs), 0644); err != nil {
+	if err := os.WriteFile(confpath, []byte(configs), 0644); err != nil {
 		return fmt.Errorf("failed to create file: %v", err)
 	}
 

internal/config/init_test.go

@@ -1,7 +1,6 @@
 package config
 
 import (
-	"io/ioutil"
 	"os"
 	"testing"
 )
@@ -10,7 +9,7 @@ import (
 func TestInit(t *testing.T) {
 
 	// initialize a temporary config file
-	confFile, err := ioutil.TempFile("", "cheat-test")
+	confFile, err := os.CreateTemp("", "cheat-test")
 	if err != nil {
 		t.Errorf("failed to create temp file: %v", err)
 	}
@@ -25,7 +24,7 @@ func TestInit(t *testing.T) {
 	}
 
 	// read back the config file contents
-	bytes, err := ioutil.ReadFile(confFile.Name())
+	bytes, err := os.ReadFile(confFile.Name())
 	if err != nil {
 		t.Errorf("failed to read config file: %v", err)
 	}

internal/config/path_test.go

@@ -1,7 +1,6 @@
 package config
 
 import (
-	"io/ioutil"
 	"os"
 	"testing"
 )
@@ -24,7 +23,7 @@ func TestPathConfigNotExists(t *testing.T) {
 func TestPathConfigExists(t *testing.T) {
 
 	// initialize a temporary config file
-	confFile, err := ioutil.TempFile("", "cheat-test")
+	confFile, err := os.CreateTemp("", "cheat-test")
 	if err != nil {
 		t.Errorf("failed to create temp file: %v", err)
 	}

internal/display/faint.go

@@ -10,7 +10,7 @@ import (
 func Faint(str string, conf config.Config) string {
 	// make `str` faint only if colorization has been requested
 	if conf.Colorize {
-		return fmt.Sprintf(fmt.Sprintf("\033[2m%s\033[0m", str))
+		return fmt.Sprintf("\033[2m%s\033[0m", str)
 	}
 
 	// otherwise, return the string unmodified

internal/display/underline.go

@@ -1,8 +0,0 @@
-package display
-
-import "fmt"
-
-// Underline returns an underlined string
-func Underline(str string) string {
-	return fmt.Sprintf(fmt.Sprintf("\033[4m%s\033[0m", str))
-}

internal/display/underline_test.go

@@ -1,14 +0,0 @@
-package display
-
-import (
-	"testing"
-)
-
-// TestUnderline asserts that Underline applies underline formatting
-func TestUnderline(t *testing.T) {
-	want := "\033[4mfoo\033[0m"
-	got := Underline("foo")
-	if want != got {
-		t.Errorf("failed to underline: want: %s, got: %s", want, got)
-	}
-}

internal/display/write.go

@@ -23,15 +23,14 @@ func Write(out string, conf config.Config) {
 	pager := parts[0]
 	args := parts[1:]
 
-	// run the pager
+	// configure the pager
 	cmd := exec.Command(pager, args...)
 	cmd.Stdin = strings.NewReader(out)
 	cmd.Stdout = os.Stdout
 
-	// handle errors
+	// run the pager and handle errors
-	err := cmd.Run()
+	if err := cmd.Run(); err != nil {
-	if err != nil {
+		fmt.Fprintf(os.Stderr, "failed to write to pager: %v\n", err)
-		fmt.Fprintln(os.Stderr, fmt.Sprintf("failed to write to pager: %v", err))
 		os.Exit(1)
 	}
 }

internal/installer/prompt.go

@@ -14,7 +14,7 @@ func Prompt(prompt string, def bool) (bool, error) {
 	reader := bufio.NewReader(os.Stdin)
 
 	// display the prompt
-	fmt.Print(fmt.Sprintf("%s: ", prompt))
+	fmt.Printf("%s: ", prompt)
 
 	// read the answer
 	ans, err := reader.ReadString('\n')

internal/sheet/copy_test.go

@@ -1,7 +1,6 @@
 package sheet
 
 import (
-	"io/ioutil"
 	"os"
 	"path"
 	"testing"
@@ -13,7 +12,7 @@ func TestCopyFlat(t *testing.T) {
 
 	// mock a cheatsheet file
 	text := "this is the cheatsheet text"
-	src, err := ioutil.TempFile("", "foo-src")
+	src, err := os.CreateTemp("", "foo-src")
 	if err != nil {
 		t.Errorf("failed to mock cheatsheet: %v", err)
 	}
@@ -41,7 +40,7 @@ func TestCopyFlat(t *testing.T) {
 	}
 
 	// assert that the destination file contains the correct text
-	got, err := ioutil.ReadFile(outpath)
+	got, err := os.ReadFile(outpath)
 	if err != nil {
 		t.Errorf("failed to read destination file: %v", err)
 	}
@@ -60,7 +59,7 @@ func TestCopyDeep(t *testing.T) {
 
 	// mock a cheatsheet file
 	text := "this is the cheatsheet text"
-	src, err := ioutil.TempFile("", "foo-src")
+	src, err := os.CreateTemp("", "foo-src")
 	if err != nil {
 		t.Errorf("failed to mock cheatsheet: %v", err)
 	}
@@ -94,7 +93,7 @@ func TestCopyDeep(t *testing.T) {
 	}
 
 	// assert that the destination file contains the correct text
-	got, err := ioutil.ReadFile(outpath)
+	got, err := os.ReadFile(outpath)
 	if err != nil {
 		t.Errorf("failed to read destination file: %v", err)
 	}

internal/sheet/sheet.go

@@ -2,7 +2,7 @@ package sheet
 
 import (
 	"fmt"
-	"io/ioutil"
+	"os"
 	"sort"
 
 	"github.com/cheat/cheat/internal/frontmatter"
@@ -29,7 +29,7 @@ func New(
 ) (Sheet, error) {
 
 	// read the cheatsheet file
-	markdown, err := ioutil.ReadFile(path)
+	markdown, err := os.ReadFile(path)
 	if err != nil {
 		return Sheet{}, fmt.Errorf("failed to read file: %s, %v", path, err)
 	}

internal/sheets/load.go

@@ -2,6 +2,7 @@ package sheets
 
 import (
 	"fmt"
+	"io/fs"
 	"os"
 	"path/filepath"
 	"strings"
@@ -55,7 +56,11 @@ func Load(cheatpaths []cp.Cheatpath) ([]map[string]sheet.Sheet, error) {
 				// contained within hidden directories in the middle of a path, though
 				// that should not realistically occur.
 				if strings.HasPrefix(title, ".") || strings.HasPrefix(info.Name(), ".") {
-					return nil
+					// Do not walk hidden directories. This is important,
+					// because it's common for cheatsheets to be stored in
+					// version-control, and a `.git` directory can easily
+					// contain thousands of files.
+					return fs.SkipDir
 				}
 
 				// parse the cheatsheet file into a `sheet` struct