| package main |
| |
| import ( |
| "fmt" |
| "os" |
| "strconv" |
| "strings" |
| ) |
| |
| type Commit struct { |
| num int // mercurial revision number |
| node string // mercurial hash |
| parent string // hash of commit's parent |
| user string // author's Name <email> |
| date string // date of commit |
| desc string // description |
| } |
| |
| // getCommit returns details about the Commit specified by the revision hash |
| func getCommit(rev string) (c Commit, err os.Error) { |
| defer func() { |
| if err != nil { |
| err = fmt.Errorf("getCommit: %s: %s", rev, err) |
| } |
| }() |
| parts, err := getCommitParts(rev) |
| if err != nil { |
| return |
| } |
| num, err := strconv.Atoi(parts[0]) |
| if err != nil { |
| return |
| } |
| parent := "" |
| if num > 0 { |
| prev := strconv.Itoa(num - 1) |
| if pparts, err := getCommitParts(prev); err == nil { |
| parent = pparts[1] |
| } |
| } |
| user := strings.Replace(parts[2], "<", "<", -1) |
| user = strings.Replace(user, ">", ">", -1) |
| return Commit{num, parts[1], parent, user, parts[3], parts[4]}, nil |
| } |
| |
| func getCommitParts(rev string) (parts []string, err os.Error) { |
| const format = "{rev}>{node}>{author|escape}>{date}>{desc}" |
| s, _, err := runLog(nil, "", goroot, |
| "hg", "log", "-r", rev, "-l", "1", "--template", format) |
| if err != nil { |
| return |
| } |
| return strings.Split(s, ">", 5), nil |
| } |
