Liner WIP

go.mod

@@ -3,6 +3,7 @@ module hs9001
 go 1.16
 
 require (
+	github.com/peterh/liner v1.2.1
 	github.com/tj/go-naturaldate v1.3.0
 	modernc.org/sqlite v1.10.0
 )

go.sum

@@ -8,8 +8,12 @@ github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51 h1:Z9n2FFNU
 github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51/go.mod h1:CzGEWj7cYgsdH8dAjBGEr58BoE7ScuLd+fwFZ44+/x8=
 github.com/mattn/go-isatty v0.0.12 h1:wuysRhFDzyxgEmMf5xjvJ2M9dZoWAXNNr5LSBS7uHXY=
 github.com/mattn/go-isatty v0.0.12/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Kysco4FUpU=
+github.com/mattn/go-runewidth v0.0.3 h1:a+kO+98RDGEfo6asOGMmpodZq4FNtnGP54yps8BzLR4=
+github.com/mattn/go-runewidth v0.0.3/go.mod h1:LwmH8dsx7+W8Uxz3IHJYH5QSwggIsqBzpuz5H//U1FU=
 github.com/mattn/go-sqlite3 v1.14.6 h1:dNPt6NO46WmLVt2DLNpwczCmdV5boIZ6g/tlDrlRUbg=
 github.com/mattn/go-sqlite3 v1.14.6/go.mod h1:NyWgC/yNuGj7Q9rpYnZvas74GogHl5/Z4A/KQRfk6bU=
+github.com/peterh/liner v1.2.1 h1:O4BlKaq/LWu6VRWmol4ByWfzx6MfXc5Op5HETyIy5yg=
+github.com/peterh/liner v1.2.1/go.mod h1:CRroGNssyjTd/qIG2FyxByd2S8JEAZXBl4qUrZf8GS0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/remyoudompheng/bigfft v0.0.0-20200410134404-eec4a21b6bb0 h1:OdAsTTz6OkFY5QxjkYwrChwuRruF69c169dPK26NUlk=
@@ -50,7 +54,6 @@ golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8T
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=

main.go

@@ -13,6 +13,7 @@ import (
 	"strings"
 	"time"
 
+	"github.com/peterh/liner"
 	"github.com/tj/go-naturaldate"
 	_ "modernc.org/sqlite"
 )
@@ -266,6 +267,34 @@ func main() {
 	migrateDatabase(conn, fetchDBVersion(conn))
 
 	switch cmd {
+	case "bash-ctrlr":
+		line := liner.NewLiner()
+		defer line.Close()
+		line.SetCtrlCAborts(true)
+		line.SetCompleter(func(line string) (c []string) {
+			beginTimestamp, err := naturaldate.Parse("50 years ago", time.Now())
+			if err != nil {
+				fmt.Fprintf(os.Stderr, "Failed to convert time string: %s\n", err.Error())
+			}
+			endTimeStamp, err := naturaldate.Parse("now", time.Now())
+			if err != nil {
+				fmt.Fprintf(os.Stderr, "Failed to convert time string: %s\n", err.Error())
+			}
+			results := search(conn, "%"+line+"%", "%", beginTimestamp, endTimeStamp, -9001)
+			for e := results.Front(); e != nil; e = e.Next() {
+				entry, ok := e.Value.(*HistoryEntry)
+				if !ok {
+					log.Panic("Failed to retrieve entries")
+				}
+				c = append(c, entry.cmd)
+			}
+			return
+		})
+
+		if name, err := line.Prompt("What is your command? "); err == nil {
+			log.Print("Got: ", name)
+		}
+
 	case "bash-enable":
 		fmt.Printf(`
 			if [ -n "$PS1" ] ; then