update cli ui

internal/buildfile/reader.go

@@ -83,12 +83,14 @@ func (r *Reader) Execute() error {
 
 	// 3. exec each instruction
 	for i, inst := range r.Content {
+		clifmt.AlignLimited(fmt.Sprintf("(%d) %s", i, clifmt.Color(33, inst.Raw())))
+
 		_, err := inst.Exec(*r.Context)
 		if err != nil {
-			fmt.Printf("%d | %s\n", i, err)
+			fmt.Printf("%s\n", clifmt.Color(31, err.Error()))
 			continue
 		}
-		fmt.Printf("%d | %s\n", i, clifmt.Color(32, "done"))
+		fmt.Printf("%s\n", clifmt.Color(32, "done"))
 	}
 
 	return nil

internal/clifmt/symbols.go

@@ -55,3 +55,31 @@ func Align(s string) {
 		fmt.Printf(" ")
 	}
 }
+
+// AlignLimited prints strings with space padding to align line ends (fixed width)
+// also crops the content to add '...' at the end if too long (must have a space
+// at the end)
+func AlignLimited(s string) {
+
+	// format string
+	if len(s) > alignOffset-1 {
+		s = fmt.Sprintf("%s... ", s[:alignOffset-4])
+	}
+
+	// 1. print string
+	fmt.Printf("%s", s)
+
+	// 2. get actual size
+	size := len(s)
+
+	// 3. remove \033[XYm format characters
+	size -= (len(strings.Split(s, "\033")) - 0) * 6
+
+	// 3. add 1 char for each \033[0m
+	size += len(strings.Split(s, "\033[0m")) - 1
+
+	// 4. print trailing spaces
+	for i := size; i < alignOffset; i++ {
+		fmt.Printf(" ")
+	}
+}

internal/instruction/cnf.go

@@ -7,6 +7,7 @@ import (
 )
 
 type config struct {
+	raw string
 	// File is the path to the file
 	File string
 	// Path is the configuration field path
@@ -17,6 +18,8 @@ type config struct {
 	Format *cnf.ConfigurationFormat
 }
 
+func (d *config) Raw() string { return d.raw }
+
 func (d *config) Build(_args string) error {
 
 	// 1. extract action (sub command)
@@ -42,6 +45,7 @@ func (d *config) Build(_args string) error {
 
 	// add value
 	d.Value = value
+	d.raw = _args
 
 	return nil
 }

internal/instruction/common.go

@@ -8,6 +8,8 @@ import (
 
 // T is the instruction common interface
 type T interface {
+	// Raw input line
+	Raw() string
 	// Build the instruction with input arguments
 	Build(string) error
 	// Exec the given instruction

internal/instruction/del.go

@@ -6,11 +6,15 @@ import (
 )
 
 type delete struct {
+	raw      string
 	Packages []string
 }
 
+func (d *delete) Raw() string { return d.raw }
+
 func (d *delete) Build(_args string) error {
 	d.Packages = strings.Split(_args, " ")
+	d.raw = _args
 	return nil
 }
 

internal/instruction/ins.go

@@ -6,11 +6,15 @@ import (
 )
 
 type install struct {
+	raw      string
 	Packages []string
 }
 
+func (d *install) Raw() string { return d.raw }
+
 func (d *install) Build(_args string) error {
 	d.Packages = strings.Split(_args, " ")
+	d.raw = _args
 	return nil
 }
 

internal/instruction/ser.go

@@ -8,10 +8,13 @@ import (
 var actions = []string{"enable", "disable", "start", "stop", "reload", "restart"}
 
 type service struct {
+	raw      string
 	Action   string
 	Services []string
 }
 
+func (d *service) Raw() string { return d.raw }
+
 func (d *service) Build(_args string) error {
 
 	// 1. extract action (sub command)
@@ -38,6 +41,7 @@ func (d *service) Build(_args string) error {
 
 	// 4. Store services
 	d.Services = split[1:]
+	d.raw = _args
 
 	return nil
 }