chore: fmt & lint issues

19 files changed, 69 insertions, 72 deletions

diff --git a/.github/workflows/goreleaser.yml b/.github/workflows/goreleaser.yml
index cbe25e8..1ccf980 100644
--- a/.github/workflows/goreleaser.yml
+++ b/.github/workflows/goreleaser.yml
@@ -21,3 +21,5 @@ jobs:
       nfpm_gpg_key: ${{ secrets.NFPM_GPG_KEY }}
       nfpm_passphrase: ${{ secrets.NFPM_PASSPHRASE }}
       snapcraft_token: ${{ secrets.SNAPCRAFT_TOKEN }}
+
+# yaml-language-server: $schema=https://json.schemastore.org/github-workflow.json
diff --git a/.goreleaser.yml b/.goreleaser.yml
index 469279a..6f6fead 100644
--- a/.goreleaser.yml
+++ b/.goreleaser.yml
@@ -10,3 +10,5 @@ variables:
   maintainer: "Christian Muehlhaeuser <muesli@charm.sh>"
   brew_commit_author_name: "Christian Muehlhaeuser"
   brew_commit_author_email: "muesli@charm.sh"
+
+# yaml-language-server: $schema=https://goreleaser.com/static/schema-pro.json
diff --git a/config_cmd.go b/config_cmd.go
index 9601ea6..6dfc835 100644
--- a/config_cmd.go
+++ b/config_cmd.go
@@ -6,8 +6,8 @@ import (
 	"os"
 	"os/exec"
 	"path"
-	"strings"
 	"path/filepath"
+	"strings"
 
 	gap "github.com/muesli/go-app-paths"
 	"github.com/spf13/cobra"
@@ -54,7 +54,7 @@ var configCmd = &cobra.Command{
 		if _, err := os.Stat(configFile); os.IsNotExist(err) {
 			// File doesn't exist yet, create all necessary directories and
 			// write the default config file
-			if err := os.MkdirAll(filepath.Dir(configFile), 0700); err != nil {
+			if err := os.MkdirAll(filepath.Dir(configFile), 0o700); err != nil {
 				return err
 			}
 
diff --git a/github.go b/github.go
index 7cf29bc..b824cf5 100644
--- a/github.go
+++ b/github.go
@@ -33,6 +33,8 @@ func findGitHubREADME(s string) (*source, error) {
 		v := u
 		v.Path += "/master/" + r
 
+		// nolint:bodyclose
+		// it is closed on the caller
 		resp, err := http.Get(v.String())
 		if err != nil {
 			return nil, err
diff --git a/gitlab.go b/gitlab.go
index 5ec89c7..e8c8a57 100644
--- a/gitlab.go
+++ b/gitlab.go
@@ -32,6 +32,8 @@ func findGitLabREADME(s string) (*source, error) {
 		v := u
 		v.Path += "/raw/master/" + r
 
+		// nolint:bodyclose
+		// it is closed on the caller
 		resp, err := http.Get(v.String())
 		if err != nil {
 			return nil, err
diff --git a/main.go b/main.go
index 2e42ade..bb7e60c 100644
--- a/main.go
+++ b/main.go
@@ -4,7 +4,6 @@ import (
 	"errors"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"net/http"
 	"net/url"
 	"os"
@@ -24,7 +23,9 @@ import (
 )
 
 var (
-	Version   = ""
+	// Version as provided by goreleaser.
+	Version = ""
+	// CommitSHA as provided by goreleaser.
 	CommitSHA = ""
 
 	readmeNames  = []string{"README.md", "README"}
@@ -87,6 +88,7 @@ func sourceFromArg(arg string) (*source, error) {
 			if err != nil {
 				return nil, err
 			}
+			defer resp.Body.Close() //nolint:errcheck
 			if resp.StatusCode != http.StatusOK {
 				return nil, fmt.Errorf("HTTP status %d", resp.StatusCode)
 			}
@@ -198,12 +200,11 @@ func execute(cmd *cobra.Command, args []string) error {
 		return err
 	} else if yes {
 		src := &source{reader: os.Stdin}
-		defer src.reader.Close()
+		defer src.reader.Close() //nolint:errcheck
 		return executeCLI(cmd, src, os.Stdout)
 	}
 
 	switch len(args) {
-
 	// TUI running on cwd
 	case 0:
 		return runTUI("", false)
@@ -239,12 +240,12 @@ func executeArg(cmd *cobra.Command, arg string, w io.Writer) error {
 	if err != nil {
 		return err
 	}
-	defer src.reader.Close()
+	defer src.reader.Close() //nolint:errcheck
 	return executeCLI(cmd, src, w)
 }
 
 func executeCLI(cmd *cobra.Command, src *source, w io.Writer) error {
-	b, err := ioutil.ReadAll(src.reader)
+	b, err := io.ReadAll(src.reader)
 	if err != nil {
 		return err
 	}
@@ -301,7 +302,7 @@ func executeCLI(cmd *cobra.Command, src *source, w io.Writer) error {
 		}
 
 		pa := strings.Split(pagerCmd, " ")
-		c := exec.Command(pa[0], pa[1:]...)
+		c := exec.Command(pa[0], pa[1:]...) // nolint:gosec
 		c.Stdin = strings.NewReader(content)
 		c.Stdout = os.Stdout
 		return c.Run()
@@ -324,7 +325,7 @@ func runTUI(workingDirectory string, stashedOnly bool) error {
 		if err != nil {
 			return err
 		}
-		defer f.Close()
+		defer f.Close() //nolint:errcheck
 	}
 
 	cfg.WorkingDirectory = workingDirectory
@@ -375,7 +376,7 @@ func init() {
 	rootCmd.Flags().BoolVarP(&showAllFiles, "all", "a", false, "show system files and directories (TUI-mode only)")
 	rootCmd.Flags().BoolVarP(&localOnly, "local", "l", false, "show local files only; no network (TUI-mode only)")
 	rootCmd.Flags().BoolVarP(&mouse, "mouse", "m", false, "enable mouse wheel (TUI-mode only)")
-	rootCmd.Flags().MarkHidden("mouse")
+	_ = rootCmd.Flags().MarkHidden("mouse")
 
 	// Config bindings
 	_ = viper.BindPFlag("style", rootCmd.Flags().Lookup("style"))
diff --git a/stash_cmd.go b/stash_cmd.go
index f4bcdcb..efb8bbd 100644
--- a/stash_cmd.go
+++ b/stash_cmd.go
@@ -2,7 +2,7 @@ package main
 
 import (
 	"fmt"
-	"io/ioutil"
+	"io"
 	"log"
 	"os"
 	"path"
@@ -42,8 +42,8 @@ var (
 				return fmt.Errorf("bad filename")
 			}
 
-			defer f.Close()
-			b, err := ioutil.ReadAll(f)
+			defer f.Close() //nolint:errcheck
+			b, err := io.ReadAll(f)
 			if err != nil {
 				return fmt.Errorf("error reading file")
 			}
diff --git a/style.go b/style.go
index 7737dd2..366bbc4 100644
--- a/style.go
+++ b/style.go
@@ -1,8 +1,6 @@
 package main
 
-import (
-	. "github.com/charmbracelet/lipgloss"
-)
+import . "github.com/charmbracelet/lipgloss" //nolint:revive
 
 var (
 	keyword = NewStyle().
diff --git a/ui/config.go b/ui/config.go
index ef58c0e..9db2340 100644
--- a/ui/config.go
+++ b/ui/config.go
@@ -21,10 +21,6 @@ type Config struct {
 	GlamourEnabled       bool   `env:"GLOW_ENABLE_GLAMOUR" default:"true"`
 }
 
-func (c Config) showLocalFiles() bool {
-	return c.DocumentTypes.Contains(LocalDoc)
-}
-
 func (c Config) localOnly() bool {
 	return c.DocumentTypes.Equals(NewDocTypeSet(LocalDoc))
 }
diff --git a/ui/consts_unix.go b/ui/consts_unix.go
index fd13ad3..57f75dd 100644
--- a/ui/consts_unix.go
+++ b/ui/consts_unix.go
@@ -1,3 +1,4 @@
+//go:build !windows
 // +build !windows
 
 package ui
diff --git a/ui/ignore_general.go b/ui/ignore_general.go
index 21f4734..43c1dd1 100644
--- a/ui/ignore_general.go
+++ b/ui/ignore_general.go
@@ -1,3 +1,4 @@
+//go:build !darwin
 // +build !darwin
 
 package ui
diff --git a/ui/keys.go b/ui/keys.go
new file mode 100644
index 0000000..8e13f95
--- /dev/null
+++ b/ui/keys.go
@@ -0,0 +1,6 @@
+package ui
+
+const (
+	keyEnter = "enter"
+	keyEsc   = "esc"
+)
diff --git a/ui/markdown.go b/ui/markdown.go
index f6f8f2c..c5fbff4 100644
--- a/ui/markdown.go
+++ b/ui/markdown.go
@@ -168,8 +168,7 @@ func wrapMarkdowns(t DocType, md []*charm.Markdown) (m []*markdown) {
 // Return the time in a human-readable format relative to the current time.
 func relativeTime(then time.Time) string {
 	now := time.Now()
-	ago := now.Sub(then)
-	if ago < time.Minute {
+	if ago := now.Sub(then); ago < time.Minute {
 		return "just now"
 	} else if ago < humanize.Week {
 		return humanize.CustomRelTime(then, now, "ago", "from now", magnitudes)
diff --git a/ui/pager.go b/ui/pager.go
index 4b50820..dea001b 100644
--- a/ui/pager.go
+++ b/ui/pager.go
@@ -98,8 +98,10 @@ var (
 					Foreground(fuschia)
 )
 
-type contentRenderedMsg string
-type noteSavedMsg *charm.Markdown
+type (
+	contentRenderedMsg string
+	noteSavedMsg       *charm.Markdown
+)
 
 type pagerState int
 
@@ -227,10 +229,10 @@ func (m pagerModel) update(msg tea.Msg) (pagerModel, tea.Cmd) {
 		switch m.state {
 		case pagerStateSetNote:
 			switch msg.String() {
-			case "esc":
+			case keyEsc:
 				m.state = pagerStateBrowse
 				return m, nil
-			case "enter":
+			case keyEnter:
 				var cmd tea.Cmd
 				if m.textInput.Value() != m.currentDocument.Note { // don't update if the note didn't change
 					m.currentDocument.Note = m.textInput.Value() // update optimistically
@@ -242,7 +244,7 @@ func (m pagerModel) update(msg tea.Msg) (pagerModel, tea.Cmd) {
 			}
 		default:
 			switch msg.String() {
-			case "q", "esc":
+			case "q", keyEsc:
 				if m.state != pagerStateBrowse {
 					m.state = pagerStateBrowse
 					return m, nil
@@ -416,10 +418,9 @@ func (m pagerModel) statusBarView(b *strings.Builder) {
 		maxPercent               float64 = 1.0
 		percentToStringMagnitude float64 = 100.0
 	)
-	var (
-		isStashed         bool = m.currentDocument.docType == StashedDoc || m.currentDocument.docType == ConvertedDoc
-		showStatusMessage bool = m.state == pagerStateStatusMessage
-	)
+
+	isStashed := m.currentDocument.docType == StashedDoc || m.currentDocument.docType == ConvertedDoc
+	showStatusMessage := m.state == pagerStateStatusMessage
 
 	// Logo
 	logo := glowLogoView(" Glow ")
diff --git a/ui/stash.go b/ui/stash.go
index 2d0dfa3..e4ba115 100644
--- a/ui/stash.go
+++ b/ui/stash.go
@@ -3,8 +3,8 @@ package ui
 import (
 	"errors"
 	"fmt"
-	"io/ioutil"
 	"log"
+	"os"
 	"sort"
 	"strings"
 	"time"
@@ -55,9 +55,11 @@ var (
 
 // MSG
 
-type deletedStashedItemMsg int
-type filteredMarkdownMsg []*markdown
-type fetchedMarkdownMsg *markdown
+type (
+	deletedStashedItemMsg int
+	filteredMarkdownMsg   []*markdown
+	fetchedMarkdownMsg    *markdown
+)
 
 type markdownFetchFailedMsg struct {
 	err  error
@@ -218,15 +220,6 @@ func (m stashModel) loadingDone() bool {
 	return m.loaded.Equals(m.common.cfg.DocumentTypes.Difference(ConvertedDoc))
 }
 
-func (m stashModel) hasSection(key sectionKey) bool {
-	for _, v := range m.sections {
-		if key == v.key {
-			return true
-		}
-	}
-	return false
-}
-
 func (m stashModel) currentSection() *section {
 	return &m.sections[m.sectionIndex]
 }
@@ -741,7 +734,7 @@ func (m *stashModel) handleDocumentBrowsing(msg tea.Msg) tea.Cmd {
 			m.setCursor(m.paginator().ItemsOnPage(numDocs) - 1)
 
 		// Clear filter (if applicable)
-		case "esc":
+		case keyEsc:
 			if m.filterApplied() {
 				m.resetFiltering()
 			}
@@ -769,7 +762,7 @@ func (m *stashModel) handleDocumentBrowsing(msg tea.Msg) tea.Cmd {
 			m.updatePagination()
 
 		// Open document
-		case "enter":
+		case keyEnter:
 			m.hideStatusMessage()
 
 			if numDocs == 0 {
@@ -971,7 +964,6 @@ func (m *stashModel) handleDeleteConfirmation(msg tea.Msg) tea.Cmd {
 					}
 
 					switch md.docType {
-
 					case ConvertedDoc:
 						// If the document was stashed in this session, convert it
 						// back to it's original document type
@@ -989,9 +981,7 @@ func (m *stashModel) handleDeleteConfirmation(msg tea.Msg) tea.Cmd {
 						if err == nil {
 							m.filteredMarkdowns = mds
 						}
-
 					}
-
 					break
 				}
 			}
@@ -1021,10 +1011,10 @@ func (m *stashModel) handleFiltering(msg tea.Msg) tea.Cmd {
 	// Handle keys
 	if msg, ok := msg.(tea.KeyMsg); ok {
 		switch msg.String() {
-		case "esc":
+		case keyEsc:
 			// Cancel filtering
 			m.resetFiltering()
-		case "enter", "tab", "shift+tab", "ctrl+k", "up", "ctrl+j", "down":
+		case keyEnter, "tab", "shift+tab", "ctrl+k", "up", "ctrl+j", "down":
 			m.hideStatusMessage()
 
 			if len(m.markdowns) == 0 {
@@ -1087,11 +1077,11 @@ func (m *stashModel) handleNoteInput(msg tea.Msg) tea.Cmd {
 
 	if msg, ok := msg.(tea.KeyMsg); ok {
 		switch msg.String() {
-		case "esc":
+		case keyEsc:
 			// Cancel note
 			m.noteInput.Reset()
 			m.selectionState = selectionIdle
-		case "enter":
+		case keyEnter:
 			// Set new note
 			md := m.selectedMarkdown()
 
@@ -1235,7 +1225,7 @@ func (m stashModel) headerView() string {
 	stashedCount := m.countMarkdowns(StashedDoc) + m.countMarkdowns(ConvertedDoc)
 	newsCount := m.countMarkdowns(NewsDoc)
 
-	var sections []string
+	var sections []string //nolint:prealloc
 
 	// Filter results
 	if m.filterState == filtering {
@@ -1384,7 +1374,7 @@ func loadRemoteMarkdown(cc *charm.Client, md *markdown) tea.Cmd {
 		newMD, err := fetchMarkdown(cc, md.ID, md.docType)
 		if err != nil {
 			if debug {
-				log.Printf("error loading %s markdown (ID %s, Note: '%s'): %v", md.docType, md.ID, md.Note, err)
+				log.Printf("error loading %s markdown (ID %d, Note: '%s'): %v", md.docType, md.ID, md.Note, err)
 			}
 			return markdownFetchFailedMsg{
 				err:  err,
@@ -1406,7 +1396,7 @@ func loadLocalMarkdown(md *markdown) tea.Cmd {
 			return errMsg{errors.New("could not load file: missing path")}
 		}
 
-		data, err := ioutil.ReadFile(md.localPath)
+		data, err := os.ReadFile(md.localPath)
 		if err != nil {
 			if debug {
 				log.Println("error reading local markdown:", err)
diff --git a/ui/stashhelp.go b/ui/stashhelp.go
index a53dfca..8ab9c22 100644
--- a/ui/stashhelp.go
+++ b/ui/stashhelp.go
@@ -240,11 +240,9 @@ func (m stashModel) miniHelpView(entries ...string) string {
 }
 
 func (m stashModel) fullHelpView(groups ...[]string) string {
-	var (
-		columns      []helpColumn
-		tallestCol   int
-		renderedCols [][]string // final rows grouped by column
-	)
+	var tallestCol int
+	columns := make([]helpColumn, 0, len(groups))
+	renderedCols := make([][]string, 0, len(groups)) // final rows grouped by column
 
 	// Get key/value pairs
 	for _, g := range groups {
diff --git a/ui/styles.go b/ui/styles.go
index fe7c0ff..3b3ccca 100644
--- a/ui/styles.go
+++ b/ui/styles.go
@@ -1,8 +1,6 @@
 package ui
 
-import (
-	. "github.com/charmbracelet/lipgloss"
-)
+import . "github.com/charmbracelet/lipgloss" //nolint: revive
 
 // Colors.
 var (
@@ -33,6 +31,7 @@ var (
 )
 
 // Ulimately, we'll transition to named styles.
+// nolint:deadcode,unused,varcheck
 var (
 	normalFg    = NewStyle().Foreground(normal).Render
 	dimNormalFg = NewStyle().Foreground(normalDim).Render
diff --git a/ui/ui.go b/ui/ui.go
index cef9885..478a9d7 100644
--- a/ui/ui.go
+++ b/ui/ui.go
@@ -3,7 +3,6 @@ package ui
 import (
 	"errors"
 	"fmt"
-	"io/ioutil"
 	"log"
 	"os"
 	"path/filepath"
@@ -13,7 +12,6 @@ import (
 	tea "github.com/charmbracelet/bubbletea"
 	"github.com/charmbracelet/charm"
 	"github.com/charmbracelet/charm/keygen"
-	"github.com/charmbracelet/charm/ui/keygen"
 	"github.com/charmbracelet/glow/utils"
 	"github.com/muesli/gitcha"
 	te "github.com/muesli/termenv"
@@ -57,9 +55,9 @@ func NewProgram(cfg Config) *tea.Program {
 	}
 	config = cfg
 	opts := []tea.ProgramOption{tea.WithAltScreen()}
- 	if cfg.EnableMouse {
- 		opts = append(opts, tea.WithMouseCellMotion())
- 	}
+	if cfg.EnableMouse {
+		opts = append(opts, tea.WithMouseCellMotion())
+	}
 	return tea.NewProgram(newModel(cfg), opts...)
 }
 
@@ -77,6 +75,7 @@ type (
 		ch  chan gitcha.SearchResult
 	}
 )
+
 type (
 	foundLocalFileMsg       gitcha.SearchResult
 	localFileSearchFinished struct{}
@@ -662,9 +661,8 @@ func stashDocument(cc *charm.Client, md markdown) tea.Cmd {
 		// then we'll stash it anyway.
 		if len(md.Body) == 0 {
 			switch md.docType {
-
 			case LocalDoc:
-				data, err := ioutil.ReadFile(md.localPath)
+				data, err := os.ReadFile(md.localPath)
 				if err != nil {
 					if debug {
 						log.Println("error loading document body for stashing:", err)
diff --git a/utils/utils.go b/utils/utils.go
index 8146f82..fe38c13 100644
--- a/utils/utils.go
+++ b/utils/utils.go
@@ -7,6 +7,7 @@ import (
 	"github.com/mitchellh/go-homedir"
 )
 
+// RemoveFrontmatter removes the front matter header of a markdown file.
 func RemoveFrontmatter(content []byte) []byte {
 	if frontmatterBoundaries := detectFrontmatter(content); frontmatterBoundaries[0] == 0 {
 		return content[frontmatterBoundaries[1]:]