| |
| |
| const { GIT_DIFF_HUNK_MAX_LINES } = require("../constants.js"); |
|
|
| function gitDiff(diff, maxLines = 500) { |
| const result = []; |
| let currentFile = ""; |
| let added = 0; |
| let removed = 0; |
| let inHunk = false; |
| let hunkShown = 0; |
| let hunkSkipped = 0; |
| let wasTruncated = false; |
| const maxHunkLines = GIT_DIFF_HUNK_MAX_LINES; |
|
|
| const lines = diff.split("\n"); |
|
|
| outer: for (const line of lines) { |
| if (line.startsWith("diff --git")) { |
| if (hunkSkipped > 0) { |
| result.push(` ... (${hunkSkipped} lines truncated)`); |
| wasTruncated = true; |
| hunkSkipped = 0; |
| } |
| if (currentFile && (added > 0 || removed > 0)) { |
| result.push(` +${added} -${removed}`); |
| } |
| const parts = line.split(" b/"); |
| currentFile = parts.length > 1 ? parts.slice(1).join(" b/") : "unknown"; |
| result.push(`\n${currentFile}`); |
| added = 0; |
| removed = 0; |
| inHunk = false; |
| hunkShown = 0; |
| } else if (line.startsWith("@@")) { |
| if (hunkSkipped > 0) { |
| result.push(` ... (${hunkSkipped} lines truncated)`); |
| wasTruncated = true; |
| hunkSkipped = 0; |
| } |
| inHunk = true; |
| hunkShown = 0; |
| result.push(` ${line}`); |
| } else if (inHunk) { |
| if (line.startsWith("+") && !line.startsWith("+++")) { |
| added += 1; |
| if (hunkShown < maxHunkLines) { |
| result.push(` ${line}`); |
| hunkShown += 1; |
| } else { |
| hunkSkipped += 1; |
| } |
| } else if (line.startsWith("-") && !line.startsWith("---")) { |
| removed += 1; |
| if (hunkShown < maxHunkLines) { |
| result.push(` ${line}`); |
| hunkShown += 1; |
| } else { |
| hunkSkipped += 1; |
| } |
| } else if (hunkShown < maxHunkLines && !line.startsWith("\\")) { |
| if (hunkShown > 0) { |
| result.push(` ${line}`); |
| hunkShown += 1; |
| } |
| } |
| } |
|
|
| if (result.length >= maxLines) { |
| result.push("\n... (more changes truncated)"); |
| wasTruncated = true; |
| break outer; |
| } |
| } |
|
|
| if (hunkSkipped > 0) { |
| result.push(` ... (${hunkSkipped} lines truncated)`); |
| wasTruncated = true; |
| } |
|
|
| if (currentFile && (added > 0 || removed > 0)) { |
| result.push(` +${added} -${removed}`); |
| } |
|
|
| if (wasTruncated) { |
| result.push("[full diff: rtk git diff --no-compact]"); |
| } |
|
|
| return result.join("\n"); |
| } |
|
|
| gitDiff.filterName = "git-diff"; |
|
|
| module.exports = { gitDiff }; |
|
|
