feat: support import file (#5)

* support import file flag

* docs

Author: u-yas

README.md

@@ -134,11 +134,24 @@ echo NEW_VALUE | ennbu replace  -f .env -k KEY_NAME
 `--escape` flags escape value
 
 ```bash
-ennbu set -k PRIVATE_KEY -e --  "$(cat id_ed25519)"
+ennbu set -k A "aaa
+bbb
+
+cc"
+```
+
+```text
+A="aaa\nbbb\n\ncc"
+```
+
+`--importFile` flags enabled, read content from args
+
+```bash
+ennbu set -k PRIVATE_KEY --importFile ~/.ssh/id_ed25519 --escape
 ```
 
 ```text
-PRIVATE_KEY=
+PRIVATE_KEY="-----BEGIN OPENSSH PRIVATE KEY-----\\nxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx\\n-----END OPENSSH PRIVATE KEY-----"
 ```
 
 ## Contributing

cmd/replace.go

@@ -23,6 +23,7 @@ $ ennbu replace -e .env.development -k KEY VALUE
 
 func init() {
 	replaceCmd.Flags().BoolP(replace.FlagEscape, "e", false, "value is escaped")
+	replaceCmd.Flags().BoolP(replace.FlagImportFile, "i", false, "import file path")
 	_ = replaceCmd.MarkFlagRequired(flags.FlagKey)
 
 	rootCmd.AddCommand(replaceCmd)

cmd/set.go

@@ -23,6 +23,7 @@ $ ennbu set -e .env.development -k KEY VALUE
 
 func init() {
 	setCmd.Flags().BoolP(set.FlagEscape, "e", false, "value is escaped")
+	setCmd.Flags().BoolP(set.FlagImportFile, "i", false, "import file path")
 	_ = setCmd.MarkFlagRequired(flags.FlagKey)
 	rootCmd.AddCommand(setCmd)
 }

replace/flags.go

@@ -1,5 +1,6 @@
 package replace
 
 const (
-	FlagEscape = "escape"
+	FlagEscape     = "escape"
+	FlagImportFile = "importFile"
 )

replace/run.go

@@ -2,6 +2,7 @@ package replace
 
 import (
 	"fmt"
+	"os"
 
 	"github.com/spf13/cobra"
 	"github.com/u-yas/ennbu/env"
@@ -12,8 +13,16 @@ func Run(cmd *cobra.Command, args []string) error {
 	key, _ := cmd.Flags().GetString(flags.FlagKey)
 	envFilePath, _ := cmd.Flags().GetString(flags.FlagEnvFile)
 	escapeFlag, _ := cmd.Flags().GetBool(FlagEscape)
+	importFileFlag, _ := cmd.Flags().GetBool(FlagImportFile)
 
 	value := args[0]
+	if importFileFlag {
+		file, err := os.ReadFile(value)
+		if err != nil {
+			return fmt.Errorf("failed to read value from file: %w", err)
+		}
+		value = string(file)
+	}
 	if escapeFlag {
 		value = env.EscapeSpecialChars(value)
 	}

set/flags.go

@@ -1,5 +1,6 @@
 package set
 
 const (
-	FlagEscape = "escape"
+	FlagEscape     = "escape"
+	FlagImportFile = "importFile"
 )

set/run.go

@@ -2,6 +2,7 @@ package set
 
 import (
 	"fmt"
+	"os"
 
 	"github.com/spf13/cobra"
 	"github.com/u-yas/ennbu/env"
@@ -12,8 +13,16 @@ func Run(cmd *cobra.Command, args []string) error {
 	key, _ := cmd.Flags().GetString(flags.FlagKey)
 	envFilePath, _ := cmd.Flags().GetString(flags.FlagEnvFile)
 	escapeFlag, _ := cmd.Flags().GetBool(FlagEscape)
+	importFileFlag, _ := cmd.Flags().GetBool(FlagImportFile)
 
 	value := args[0]
+	if importFileFlag {
+		file, err := os.ReadFile(value)
+		if err != nil {
+			return fmt.Errorf("failed to read value from file: %w", err)
+		}
+		value = string(file)
+	}
 	if escapeFlag {
 		value = env.EscapeSpecialChars(value)
 	}