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package generator
import (
"fmt"
"os"
"path/filepath"
"sort"
"mokhan.ca/xlgmokha/gitmal/internal/git"
"mokhan.ca/xlgmokha/gitmal/internal/templates"
)
func GenerateBranches(branches []git.Ref, defaultBranch string, params Params) error {
outDir := params.OutputDir
if err := os.MkdirAll(outDir, 0o755); err != nil {
return err
}
entries := make([]templates.BranchEntry, 0, len(branches))
for _, b := range branches {
entries = append(entries, templates.BranchEntry{
Name: b.String(),
Href: filepath.ToSlash(filepath.Join("blob", b.DirName()) + "/index.html"),
IsDefault: b.String() == defaultBranch,
CommitsHref: filepath.ToSlash(filepath.Join("commits", b.DirName(), "index.html")),
})
}
// Ensure default branch is shown at the top of the list.
// Keep remaining branches sorted alphabetically for determinism.
sort.SliceStable(entries, func(i, j int) bool {
if entries[i].IsDefault != entries[j].IsDefault {
return entries[i].IsDefault && !entries[j].IsDefault
}
return entries[i].Name < entries[j].Name
})
f, err := os.Create(filepath.Join(outDir, "branches.html"))
if err != nil {
return err
}
defer f.Close()
// RootHref from root page is just ./
rootHref := "./"
err = templates.BranchesTemplate.ExecuteTemplate(f, "layout.gohtml", templates.BranchesParams{
LayoutParams: templates.LayoutParams{
Title: fmt.Sprintf("Branches %s %s", Dot, params.Name),
Name: params.Name,
RootHref: rootHref,
CurrentRefDir: params.DefaultRef.DirName(),
Selected: "branches",
},
Branches: entries,
})
if err != nil {
return err
}
return nil
}
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