Add embedded gists & JSON gist data/metadata (#179)

internal/git/commands.go

@@ -149,7 +149,7 @@ func GetFileContent(user string, gist string, revision string, filename string,
 	return content, truncated, nil
 }
 
-func GetFileSize(user string, gist string, revision string, filename string) (int64, error) {
+func GetFileSize(user string, gist string, revision string, filename string) (uint64, error) {
 	repositoryPath := RepositoryPath(user, gist)
 
 	cmd := exec.Command(
@@ -165,7 +165,7 @@ func GetFileSize(user string, gist string, revision string, filename string) (in
 		return 0, err
 	}
 
-	return strconv.ParseInt(strings.TrimSuffix(string(stdout), "\n"), 10, 64)
+	return strconv.ParseUint(strings.TrimSuffix(string(stdout), "\n"), 10, 64)
 }
 
 func GetLog(user string, gist string, skip int) ([]*Commit, error) {

internal/git/output_parser.go

@@ -11,13 +11,14 @@ import (
 )
 
 type File struct {
-	Filename    string
-	Size        string
-	OldFilename string
-	Content     string
-	Truncated   bool
-	IsCreated   bool
-	IsDeleted   bool
+	Filename    string `json:"filename"`
+	Size        uint64 `json:"size"`
+	HumanSize   string `json:"human_size"`
+	OldFilename string `json:"-"`
+	Content     string `json:"content"`
+	Truncated   bool   `json:"truncated"`
+	IsCreated   bool   `json:"-"`
+	IsDeleted   bool   `json:"-"`
 }
 
 type CsvFile struct {