Strip history entries with zsh weirdness rather than skip them + ensure the hishtory import command runs a full re-import

client/client_test.go

@@ -1474,6 +1474,8 @@ func testHishtoryOffline(t *testing.T, tester shellTester) {
 	}
 }
 
+// TODO: tests for hishtory import
+
 func testInitialHistoryImport(t *testing.T, tester shellTester) {
 	// Setup
 	defer testutils.BackupAndRestore(t)()

client/lib/lib.go

@@ -190,22 +190,27 @@ func buildCustomColumns(ctx *context.Context) (data.CustomColumns, error) {
 	return ccs, nil
 }
 
-func isZshWeirdness(cmd string) bool {
+func stripZshWeirdness(cmd string) string {
-	// Zsh has this weird behavior where the currently running command is persisted to
+	// Zsh has this weird behavior where sometimes commands are saved in the hishtory file
-	// the history file with a weird prefix. This only matters to us when running
+	// with a weird prefix. I've never been able to figure out why this happens, but we
-	// an import, in which case we want to just skip it.
+	// can at least strip it.
-	// For example, if the running command was echo foo the command would
-	// show up in the history file as `: 1663823053:0;echo foo`
 	firstCommandBugRegex := regexp.MustCompile(`: \d+:\d;(.*)`)
 	matches := firstCommandBugRegex.FindStringSubmatch(cmd)
-	return len(matches) == 2
+	if len(matches) == 2 {
+		return matches[1]
+	}
+	return cmd
 }
 
 func isBashWeirdness(cmd string) bool {
 	// Bash has this weird behavior where the it has entries like `#1664342754` in the
 	// history file. We want to skip these.
-	firstCommandBugRegex := regexp.MustCompile(`#\d+`)
+	firstCommandBugRegex := regexp.MustCompile(`^#\d+\s+$`)
-	return firstCommandBugRegex.MatchString(cmd)
+	result := firstCommandBugRegex.MatchString(cmd)
+	if result {
+		fmt.Println("BASH: " + cmd)
+	}
+	return result
 }
 
 func buildRegexFromTimeFormat(timeFormat string) string {
@@ -517,9 +522,9 @@ func CheckFatalError(err error) {
 	}
 }
 
-func ImportHistory(ctx *context.Context, shouldReadStdin bool) (int, error) {
+func ImportHistory(ctx *context.Context, shouldReadStdin, force bool) (int, error) {
 	config := hctx.GetConf(ctx)
-	if config.HaveCompletedInitialImport {
+	if config.HaveCompletedInitialImport && !force {
 		// Don't run an import if we already have run one. This avoids importing the same entry multiple times.
 		return 0, nil
 	}
@@ -555,7 +560,8 @@ func ImportHistory(ctx *context.Context, shouldReadStdin bool) (int, error) {
 		return 0, err
 	}
 	for _, cmd := range historyEntries {
-		if isZshWeirdness(cmd) || isBashWeirdness(cmd) || strings.HasPrefix(cmd, " ") {
+		cmd := stripZshWeirdness(cmd)
+		if isBashWeirdness(cmd) || strings.HasPrefix(cmd, " ") {
 			// Skip it
 			continue
 		}

client/lib/lib_test.go

@@ -370,17 +370,17 @@ func TestChunks(t *testing.T) {
 func TestZshWeirdness(t *testing.T) {
 	testcases := []struct {
 		input  string
-		isWeird bool
+		output string
 	}{
-		{": 1666062975:0;bash", true},
+		{": 1666062975:0;bash", "bash"},
-		{": 16660:0;ls", true},
+		{": 16660:0;ls", "ls"},
-		{"ls", false},
+		{"ls", "ls"},
-		{"0", false},
+		{"0", "0"},
-		{"hgffddxsdsrzsz xddfgdxfdv gdfc ghcvhgfcfg vgv", false},
+		{"hgffddxsdsrzsz xddfgdxfdv gdfc ghcvhgfcfg vgv", "hgffddxsdsrzsz xddfgdxfdv gdfc ghcvhgfcfg vgv"},
 	}
 	for _, tc := range testcases {
-		actual := isZshWeirdness(tc.input)
+		actual := stripZshWeirdness(tc.input)
-		if !reflect.DeepEqual(actual, tc.isWeird) {
+		if !reflect.DeepEqual(actual, tc.output) {
 			t.Fatalf("weirdness failure for %#v", tc.input)
 		}
 	}

hishtory.go

@@ -71,7 +71,7 @@ func main() {
 		if os.Getenv("HISHTORY_SKIP_INIT_IMPORT") == "" {
 			fmt.Println("Importing existing shell history...")
 			ctx := hctx.MakeContext()
-			numImported, err := lib.ImportHistory(ctx, false)
+			numImported, err := lib.ImportHistory(ctx, false, false)
 			lib.CheckFatalError(err)
 			if numImported > 0 {
 				fmt.Printf("Imported %v history entries from your existing shell history\n", numImported)
@@ -87,7 +87,7 @@ func main() {
 			if len(data) < 10 {
 				fmt.Println("Importing existing shell history...")
 				ctx := hctx.MakeContext()
-				numImported, err := lib.ImportHistory(ctx, false)
+				numImported, err := lib.ImportHistory(ctx, false, false)
 				lib.CheckFatalError(err)
 				if numImported > 0 {
 					fmt.Printf("Imported %v history entries from your existing shell history\n", numImported)
@@ -106,7 +106,7 @@ func main() {
 		lib.CheckFatalError(lib.Uninstall(hctx.MakeContext()))
 	case "import":
 		ctx := hctx.MakeContext()
-		numImported, err := lib.ImportHistory(ctx, true)
+		numImported, err := lib.ImportHistory(ctx, true, true)
 		lib.CheckFatalError(err)
 		if numImported > 0 {
 			fmt.Printf("Imported %v history entries from your existing shell history\n", numImported)