cmd/generate: Factor forge_*.go files out of src_contribs.go

1 files changed, 98 insertions, 0 deletions

diff --git a/cmd/generate/forge_pipermail.go b/cmd/generate/forge_pipermail.go
new file mode 100644
index 0000000..2c5cf01
--- /dev/null
+++ b/cmd/generate/forge_pipermail.go
@@ -0,0 +1,98 @@
+package main
+
+import (
+	"fmt"
+	"regexp"
+	"strings"
+	"time"
+)
+
+var (
+	rePiperMailDate = regexp.MustCompile(`^\s*<I>([^<]+)</I>\s*$`)
+	reGitHubCommit  = regexp.MustCompile(`^https://github\.com/([^/?#]+)/([^/?#]+)/commit/([0-9a-f]+)(?:\?[^#]*)?(?:#.*)?$`)
+)
+
+type PiperMail struct{}
+
+var _ Forge = PiperMail{}
+
+func (PiperMail) FetchStatus(urls []string) (string, error) {
+	var gitURL string
+	var gitCommits []string
+	for _, u := range urls {
+		if m := reGitHubCommit.FindStringSubmatch(u); m != nil {
+			user := m[1]
+			repo := m[2]
+			hash := m[3]
+
+			gitURL = "https://github.com/" + user + "/" + repo
+			gitCommits = append(gitCommits, hash)
+		}
+	}
+	if len(gitCommits) == 0 {
+		return "", nil
+	}
+	ret := statusMerged
+	tag, err := getGitTagThatContainsAll(gitURL, gitCommits...)
+	if err != nil {
+		return "", err
+	}
+	if tag != "" {
+		ret = fmt.Sprintf(statusReleasedFmt, tag)
+	}
+	return ret, nil
+}
+
+func (PiperMail) FetchSubmittedAt(urls []string) (time.Time, error) {
+	for _, u := range urls {
+		if !strings.Contains(u, "/pipermail/") {
+			continue
+		}
+		htmlStr, err := httpGet(u, nil)
+		if err != nil {
+			return time.Time{}, err
+		}
+		for _, line := range strings.Split(htmlStr, "\n") {
+			if m := rePiperMailDate.FindStringSubmatch(line); m != nil {
+				return time.Parse(time.UnixDate, m[1])
+			}
+		}
+	}
+	return time.Time{}, nil
+}
+
+func (PiperMail) FetchLastUpdated(urls []string) (time.Time, User, error) {
+	var ret time.Time
+	for _, u := range urls {
+		if m := reGitHubCommit.FindStringSubmatch(u); m != nil {
+			user := m[1]
+			repo := m[2]
+			hash := m[3]
+
+			urlStr := "https://api.github.com/repos/" + user + "/" + repo + "/commits/" + hash
+			var obj struct {
+				Commit struct {
+					Author struct {
+						Date time.Time `json:"date"`
+					} `json:"author"`
+					Committer struct {
+						Date time.Time `json:"date"`
+					} `json:"committer"`
+				} `json:"commit"`
+			}
+			if err := httpGetJSON(urlStr, nil, &obj); err != nil {
+				return time.Time{}, User{}, err
+			}
+			if obj.Commit.Author.Date.After(ret) {
+				ret = obj.Commit.Author.Date
+			}
+			if obj.Commit.Committer.Date.After(ret) {
+				ret = obj.Commit.Committer.Date
+			}
+		}
+	}
+	if ret.IsZero() {
+		return time.Time{}, User{}, nil
+	}
+	return ret, User{}, nil
+}