fix wsh output. all output is run through sprintf, so escape properly

cmd/wsh/cmd/wshcmd-getmeta.go

@@ -55,14 +55,14 @@ func getMetaRun(cmd *cobra.Command, args []string) {
 			return
 		}
 		outStr := string(outBArr)
-		WriteStdout(outStr + "\n")
+		WriteStdout("%s\n", outStr)
 	} else {
 		outBArr, err := json.MarshalIndent(resp, "", "  ")
 		if err != nil {
 			WriteStderr("[error] formatting metadata: %v\n", err)
 			return
 		}
 		outStr := string(outBArr)
-		WriteStdout(outStr + "\n")
+		WriteStdout("%s\n", outStr)
 	}
 }

cmd/wsh/cmd/wshcmd-readfile.go

@@ -49,5 +49,5 @@ func runReadFile(cmd *cobra.Command, args []string) {
 		WriteStderr("[error] decoding file: %v\n", err)
 		return
 	}
-	WriteStdout(string(resp))
+	WriteStdout("%s", string(resp))
 }

cmd/wsh/cmd/wshcmd-shell-unix.go

@@ -25,7 +25,7 @@ var shellCmd = &cobra.Command{
 	Hidden: true,
 	Short:  "Print the login shell of this user",
 	Run: func(cmd *cobra.Command, args []string) {
-		WriteStdout(shellCmdInner())
+		WriteStdout("%s", shellCmdInner())
 	},
 }
 

cmd/wsh/cmd/wshcmd-version.go

@@ -4,8 +4,6 @@
 package cmd
 
 import (
-	"fmt"
-
 	"github.com/spf13/cobra"
 	"github.com/wavetermdev/waveterm/pkg/wavebase"
 )
@@ -18,6 +16,6 @@ var versionCmd = &cobra.Command{
 	Use:   "version",
 	Short: "Print the version number of wsh",
 	Run: func(cmd *cobra.Command, args []string) {
-		WriteStdout(fmt.Sprintf("wsh v%s\n", wavebase.WaveVersion))
+		WriteStdout("wsh v%s\n", wavebase.WaveVersion)
 	},
 }

pkg/wconfig/defaultconfig/presets.json

@@ -86,5 +86,13 @@
         "bg": "linear-gradient(135deg, rgba(204, 51, 255, 0.9) 0%, rgba(255, 85, 153, 0.75) 30%, rgba(255, 51, 153, 0.65) 60%, rgba(204, 51, 255, 0.6) 80%, rgba(51, 102, 255, 0.5) 100%), radial-gradient(circle at 30% 40%, rgba(255,255,255,0.1), transparent 60%), radial-gradient(circle at 70% 70%, rgba(255,255,255,0.05), transparent 70%)",
         "bg:opacity": 0.9,
         "bg:blendmode": "overlay"
+    },
+    "bg@twilight-ember": {
+        "display:name": "Twilight Ember",
+        "display:order": 3.5,
+        "bg:*": true,
+        "bg": "linear-gradient(120deg,hsla(350, 65%, 57%, 1),hsla(30,60%,60%, .75), hsla(208,69%,50%,.15), hsl(230,60%,40%)),radial-gradient(at top right,hsla(300,60%,70%,0.3),transparent),radial-gradient(at top left,hsla(330,100%,70%,.20),transparent),radial-gradient(at top right,hsla(190,100%,40%,.20),transparent),radial-gradient(at bottom left,hsla(323,54%,50%,.5),transparent),radial-gradient(at bottom left,hsla(144,54%,50%,.25),transparent)",
+        "bg:blendmode": "overlay",
+        "bg:text": "rgb(200, 200, 200)"
     }
 }