vole
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A free and open-source forge that lives in your Git repo.
| 1 | package web |
| 2 | |
| 3 | // File history and blame are the two answers a blob page cannot give: how this |
| 4 | // path changed over time, and which commit last touched each line. |
| 5 | |
| 6 | import ( |
| 7 | "net/http" |
| 8 | |
| 9 | "rodent.software/vole/core/git" |
| 10 | ) |
| 11 | |
| 12 | func (w *Web) FileHistory(rw http.ResponseWriter, r *http.Request) { |
| 13 | m, ok := w.open(rw, r) |
| 14 | if !ok { |
| 15 | return |
| 16 | } |
| 17 | ref, path := r.PathValue("ref"), r.PathValue("path") |
| 18 | if !safePath(path) { |
| 19 | w.notFound(rw, r) |
| 20 | return |
| 21 | } |
| 22 | release, ok := w.gitSlot(rw, r) |
| 23 | if !ok { |
| 24 | return |
| 25 | } |
| 26 | defer release() |
| 27 | g, cancel := gitRepo(r, m) |
| 28 | defer cancel() |
| 29 | commit, _ := g.RevParse(ref) |
| 30 | if commit == "" { |
| 31 | w.notFound(rw, r) |
| 32 | return |
| 33 | } |
| 34 | kind, err := g.ObjectType(commit + ":" + path) |
| 35 | if err != nil { |
| 36 | w.notFound(rw, r) |
| 37 | return |
| 38 | } |
| 39 | commits, err := g.LogPath(commit, path, 100, kind == "blob") |
| 40 | if err != nil { |
| 41 | w.serverError(rw, r, "cannot read file history: "+err.Error()) |
| 42 | return |
| 43 | } |
| 44 | w.render(rw, "file_history", struct { |
| 45 | Page |
| 46 | Name string |
| 47 | Ref string |
| 48 | Path string |
| 49 | Commit string |
| 50 | Commits []git.Commit |
| 51 | IsBlob bool |
| 52 | }{ |
| 53 | Page: w.page(r, m.Name+" · history · "+path), Name: m.Name, Ref: ref, |
| 54 | Path: path, Commit: commit, Commits: commits, IsBlob: kind == "blob", |
| 55 | }, 0) |
| 56 | } |
| 57 | |
| 58 | type blameBlock struct { |
| 59 | SHA string |
| 60 | Author string |
| 61 | When int64 |
| 62 | Lines []git.BlameLine |
| 63 | } |
| 64 | |
| 65 | func (w *Web) Blame(rw http.ResponseWriter, r *http.Request) { |
| 66 | m, ok := w.open(rw, r) |
| 67 | if !ok { |
| 68 | return |
| 69 | } |
| 70 | ref, path := r.PathValue("ref"), r.PathValue("path") |
| 71 | if !safePath(path) { |
| 72 | w.notFound(rw, r) |
| 73 | return |
| 74 | } |
| 75 | release, ok := w.gitSlot(rw, r) |
| 76 | if !ok { |
| 77 | return |
| 78 | } |
| 79 | defer release() |
| 80 | g, cancel := gitRepo(r, m) |
| 81 | defer cancel() |
| 82 | commit, _ := g.RevParse(ref) |
| 83 | if commit == "" { |
| 84 | w.notFound(rw, r) |
| 85 | return |
| 86 | } |
| 87 | if kind, err := g.ObjectType(commit + ":" + path); err != nil || kind != "blob" { |
| 88 | w.notFound(rw, r) |
| 89 | return |
| 90 | } |
| 91 | lines, truncated, err := g.Blame(commit, path, 1<<20) |
| 92 | if err != nil { |
| 93 | w.serverError(rw, r, "cannot blame that file: "+err.Error()) |
| 94 | return |
| 95 | } |
| 96 | var blocks []blameBlock |
| 97 | for _, line := range lines { |
| 98 | if len(blocks) == 0 || blocks[len(blocks)-1].SHA != line.SHA { |
| 99 | blocks = append(blocks, blameBlock{SHA: line.SHA, Author: line.Author, When: line.When}) |
| 100 | } |
| 101 | last := &blocks[len(blocks)-1] |
| 102 | last.Lines = append(last.Lines, line) |
| 103 | } |
| 104 | w.render(rw, "blame", struct { |
| 105 | Page |
| 106 | Name string |
| 107 | Ref string |
| 108 | Path string |
| 109 | Commit string |
| 110 | Blocks []blameBlock |
| 111 | Lines int |
| 112 | Truncated bool |
| 113 | }{ |
| 114 | Page: w.page(r, m.Name+" · blame · "+path), Name: m.Name, Ref: ref, |
| 115 | Path: path, Commit: commit, Blocks: blocks, Lines: len(lines), Truncated: truncated, |
| 116 | }, 0) |
| 117 | } |
| 118 |