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package main
import (
"errors"
"fmt"
"os"
"path/filepath"
"strings"
"mokhan.ca/xlgmokha/gitmal/internal/generator"
"mokhan.ca/xlgmokha/gitmal/internal/git"
flag "github.com/spf13/pflag"
)
var flagOutput string
func main() {
if err := run(); err != nil {
fmt.Fprintln(os.Stderr, "error:", err)
os.Exit(1)
}
}
func run() error {
flag.StringVar(&flagOutput, "output", "output", "Output directory")
flag.Usage = usage
flag.Parse()
input := "."
args := flag.Args()
if len(args) == 1 {
input = args[0]
}
if len(args) > 1 {
return errors.New("multiple repos not supported yet")
}
outputDir, err := filepath.Abs(flagOutput)
if err != nil {
return err
}
absInput, err := filepath.Abs(input)
if err != nil {
return err
}
input = absInput
name := filepath.Base(input)
name = strings.TrimSuffix(name, ".git")
branches, err := git.Branches(input)
if err != nil {
return err
}
tags, err := git.Tags(input)
if err != nil {
return err
}
var defaultBranch string
if generator.ContainsBranch(branches, "master") {
defaultBranch = "master"
} else if generator.ContainsBranch(branches, "main") {
defaultBranch = "main"
} else {
return errors.New("no default branch found (expected 'main' or 'master')")
}
if yes, a, b := generator.HasConflictingBranchNames(branches); yes {
return fmt.Errorf("conflicting branches %q and %q, both want to use %q dir name", a, b, a.DirName())
}
params := generator.Params{
Name: name,
RepoDir: input,
OutputDir: outputDir,
DefaultRef: git.NewRef(defaultBranch),
}
commits := make(map[string]git.Commit)
commitsFor := make(map[git.Ref][]git.Commit, len(branches))
for _, branch := range branches {
commitsFor[branch], err = git.Commits(branch, params.RepoDir)
if err != nil {
return err
}
for _, commit := range commitsFor[branch] {
if alreadyExisting, ok := commits[commit.Hash]; ok && alreadyExisting.Branch == params.DefaultRef {
continue
}
commit.Branch = branch
commits[commit.Hash] = commit
}
}
for _, tag := range tags {
commitsForTag, err := git.Commits(git.NewRef(tag.Name), params.RepoDir)
if err != nil {
return err
}
for _, commit := range commitsForTag {
if alreadyExisting, ok := commits[commit.Hash]; ok && !alreadyExisting.Branch.IsEmpty() {
continue
}
commits[commit.Hash] = commit
}
}
generator.Echo(fmt.Sprintf("> %s: %d branches, %d tags, %d commits", params.Name, len(branches), len(tags), len(commits)))
if err := generator.GenerateCSS(params); err != nil {
return err
}
if err := generator.GenerateBranches(branches, defaultBranch, params); err != nil {
return err
}
if err := generator.GenerateBranchesJSON(branches, commitsFor, params); err != nil {
return err
}
var defaultBranchFiles []git.Blob
for i, branch := range branches {
generator.Echo(fmt.Sprintf("> [%d/%d] %s@%s", i+1, len(branches), params.Name, branch))
params.Ref = branch
files, err := git.Files(params.Ref, params.RepoDir)
if err != nil {
return err
}
if branch.String() == defaultBranch {
defaultBranchFiles = files
}
if err := generator.GenerateBlobs(files, params); err != nil {
return err
}
if err := generator.GenerateLists(files, params); err != nil {
return err
}
if err := generator.GenerateLogForBranch(commitsFor[branch], params); err != nil {
return err
}
if err := generator.GenerateCommitsJSON(commitsFor[branch], params); err != nil {
return err
}
if err := generator.GenerateCommitsAtom(commitsFor[branch], params); err != nil {
return err
}
}
params.Ref = git.NewRef(defaultBranch)
generator.Echo("> generating commits...")
if err := generator.GenerateCommits(commits, params); err != nil {
return err
}
if err := generator.GenerateTags(tags, params); err != nil {
return err
}
if err := generator.GenerateTagsAtom(tags, params); err != nil {
return err
}
if err := generator.GenerateReleasesAtom(tags, params); err != nil {
return err
}
generator.Echo("> generating compare pages...")
if err := generator.GenerateComparePages(tags, branches, params); err != nil {
return err
}
if len(defaultBranchFiles) == 0 {
return errors.New("no files found for default branch")
}
if err := generator.GenerateIndex(defaultBranchFiles, params); err != nil {
return err
}
return nil
}
func usage() {
fmt.Fprintf(os.Stderr, "Usage: gitmal [options] [path ...]\n")
flag.PrintDefaults()
}
|
