128 lines
3.4 KiB
Go
128 lines
3.4 KiB
Go
// information.go
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// Things related to gathering existing information.
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package history
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import (
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"fmt"
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"regexp"
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"strconv"
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"strings"
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"time"
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"github.com/bouncepaw/mycorrhiza/templates"
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"github.com/bouncepaw/mycorrhiza/util"
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)
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func RecentChanges(n int) string {
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var (
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out, err = gitsh(
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"log", "--oneline", "--no-merges",
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"--pretty=format:\"%h\t%ae\t%at\t%s\"",
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"--max-count="+strconv.Itoa(n),
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)
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revs []Revision
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)
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if err == nil {
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for _, line := range strings.Split(out.String(), "\n") {
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revs = append(revs, parseRevisionLine(line))
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}
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}
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entries := make([]string, len(revs))
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for i, rev := range revs {
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entries[i] = rev.RecentChangesEntry()
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}
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return templates.RecentChangesHTML(entries, n)
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}
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// Revisions returns slice of revisions for the given hypha name.
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func Revisions(hyphaName string) ([]Revision, error) {
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var (
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out, err = gitsh(
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"log", "--oneline", "--no-merges",
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// Hash, author email, author time, commit msg separated by tab
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"--pretty=format:\"%h\t%ae\t%at\t%s\"",
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"--", hyphaName+".*",
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)
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revs []Revision
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)
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if err == nil {
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for _, line := range strings.Split(out.String(), "\n") {
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if line != "" {
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revs = append(revs, parseRevisionLine(line))
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}
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}
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}
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return revs, err
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}
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// HistoryWithRevisions returns an html representation of `revs` that is meant to be inserted in a history page.
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func HistoryWithRevisions(hyphaName string, revs []Revision) (html string) {
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var (
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currentYear int
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currentMonth time.Month
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)
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for i, rev := range revs {
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if rev.Time.Month() != currentMonth || rev.Time.Year() != currentYear {
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currentYear = rev.Time.Year()
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currentMonth = rev.Time.Month()
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if i != 0 {
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html += `
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</ul>
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</section>`
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}
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html += fmt.Sprintf(`
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<section class="history__month">
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<a href="#%[1]d-%[2]d" class="history__month-anchor">
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<h2 id="%[1]d-%[2]d" class="history__month-title">%[3]s</h2>
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</a>
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<ul class="history__entries">`,
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currentYear, currentMonth,
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strconv.Itoa(currentYear)+" "+rev.Time.Month().String())
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}
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html += rev.asHistoryEntry(hyphaName)
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}
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return html
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}
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func (rev *Revision) asHistoryEntry(hyphaName string) (html string) {
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author := ""
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if rev.Username != "anon" {
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author = fmt.Sprintf(`
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<span class="history-entry__author">by <a href="/page/%[1]s/%[2]s" rel="author">%[2]s</span>`, util.UserTree, rev.Username)
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}
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return fmt.Sprintf(`
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<li class="history__entry">
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<a class="history-entry" href="/rev/%[3]s/%[1]s">
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<time class="history-entry__time">%[2]s</time>
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<span class="history-entry__hash">%[3]s</span>
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<span class="history-entry__msg">%[4]s</span>
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</a>%[5]s
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</li>
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`, hyphaName, rev.timeHourMinute(), rev.Hash, rev.Message, author)
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}
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// Return time like 13:42
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func (rev *Revision) timeHourMinute() string {
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h, m, _ := rev.Time.Clock()
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return strconv.Itoa(h) + ":" + strconv.Itoa(m)
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}
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// This regex is wrapped in "". For some reason, these quotes appear at some time and we have to get rid of them.
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var revisionLinePattern = regexp.MustCompile("\"(.*)\t(.*)@.*\t(.*)\t(.*)\"")
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func parseRevisionLine(line string) Revision {
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results := revisionLinePattern.FindStringSubmatch(line)
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return Revision{
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Hash: results[1],
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Username: results[2],
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Time: *unixTimestampAsTime(results[3]),
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Message: results[4],
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}
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}
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// See how the file with `filepath` looked at commit with `hash`.
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func FileAtRevision(filepath, hash string) (string, error) {
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out, err := gitsh("show", hash+":"+filepath)
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return out.String(), err
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}
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