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package main
import (
"fmt"
"io/fs"
"os"
"os/exec"
"path/filepath"
"sort"
"strings"
"time"
)
// Color returns a HTML color code between green and yellow based on the
// number of days that passed since ds.
func (ds DateString) Color() string {
date, _ := time.Parse("2006-01-02T15:04:05Z", string(ds))
days := int(time.Since(date).Hours() / 24)
if days > 255 {
days = 255
}
return fmt.Sprintf("#%02xff00", days)
}
func fetchLogs(dirs chan<- NamedFS) {
err := fs.WalkDir(bsdirFS, ".", func(path string, d fs.DirEntry, err error) error {
if err != nil {
return err
}
if path[0] == '.' {
return nil
}
if d.IsDir() && len(strings.Split(path, string(filepath.Separator))) == 4 {
dirs <- NamedFS{
FS: bsdirFS,
Name: path,
}
}
return nil
})
if err != nil {
fmt.Fprintf(os.Stderr, "Reading logs failed: %v\n", err)
}
close(dirs)
}
func collectLogs(dirs <-chan NamedFS) {
data.Logs = make(map[Timeframe][]Log)
data.VendorBoardDate = make(map[string]DateString)
data.VendorBoardReferenced = make(map[string]bool)
timeframes := make(map[Timeframe]bool)
gitcache := make(map[string]string)
for dir := range dirs {
upstream := ""
revB, err := fs.ReadFile(dir.FS, filepath.Join(dir.Name, "revision.txt"))
if err != nil {
continue
}
rev := string(revB)
skipDir := false
for _, line := range strings.Split(rev, "\n") {
item := strings.SplitN(line, ":", 2)
if len(item) != 2 {
// This is an error, but let's try to extract
// as much value out of revision.txt files as
// possible, even if some lines are erroneous.
continue
}
if item[0] == "Upstream revision" {
upstream = strings.TrimSpace(item[1])
// tried using go-git, but its resolver
// couldn't expand short hashes despite the
// docs claiming that it can.
if val, ok := gitcache[upstream]; ok {
upstream = val
} else {
res, err := exec.Command("/usr/bin/git", "-C", cbdir, "log", "-n1", "--format=%H", upstream).Output()
if err != nil {
fmt.Fprintf(os.Stderr, "revision %s not found \n", upstream)
skipDir = true
break
}
gitcache[upstream] = strings.TrimSpace(string(res))
upstream = gitcache[upstream]
}
}
}
if skipDir {
continue
}
rawFiles, err := fs.Glob(dir.FS, filepath.Join(dir.Name, "*"))
if err != nil {
fmt.Fprintf(os.Stderr, "Could not fetch log data, skipping: %v\n", err)
continue
}
pieces := strings.Split(dir.Name, string(filepath.Separator))
if len(pieces) < 4 {
fmt.Fprintf(os.Stderr, "log directory %s is malformed, skipping\n", dir.Name)
continue
}
vendorBoard := strings.Join(pieces[:2], "/")
// TODO: these need to become "second to last" and "last" item
// but only after compatibility to the current system has been ensured.
dateTimePath := pieces[3]
dateTime, err := time.Parse(time.RFC3339, strings.ReplaceAll(dateTimePath, "_", ":"))
if err != nil {
fmt.Fprintf(os.Stderr, "Could not parse timestamp from %s: %v\n", dir.Name, err)
continue
}
dateTimeNormal := dateTime.UTC().Format("2006-01-02T15:04:05Z")
dateTimeHuman := dateTime.UTC().Format(time.UnixDate)
tfYear, tfWeek := dateTime.ISOWeek()
timeframe := Timeframe(fmt.Sprintf("%dW%02d", tfYear, tfWeek))
if !timeframes[timeframe] {
timeframes[timeframe] = true
data.Timeframes = append(data.Timeframes, timeframe)
data.Logs[timeframe] = []Log{}
}
files := []Path{}
l := len(dir.Name) + 1
for _, file := range rawFiles {
if file[l:] == "revision.txt" {
continue
}
files = append(files, Path{
Path: dir.Name + "/",
Basename: file[l:],
})
}
data.Logs[timeframe] = append(data.Logs[timeframe], Log{
VendorBoard: vendorBoard,
Time: dateTimeNormal,
TimeReadable: dateTimeHuman,
Upstream: upstream,
Files: files,
})
}
sort.Slice(data.Timeframes, func(i, j int) bool {
// reverse sort
return data.Timeframes[i] > data.Timeframes[j]
})
for bi := range data.Logs {
bucket := data.Logs[bi]
sort.Slice(data.Logs[bi], func(i, j int) bool {
if bucket[i].Time == bucket[j].Time {
return (bucket[i].VendorBoard > bucket[j].VendorBoard)
}
return (bucket[i].Time > bucket[j].Time)
})
}
for _, ts := range data.Timeframes {
for li, l := range data.Logs[ts] {
if _, match := data.VendorBoardDate[l.VendorBoard]; match {
continue
}
data.VendorBoardDate[l.VendorBoard] = DateString(l.Time)
data.Logs[ts][li].Reference = true
}
}
}
|
