Fixes #2625 unescapes markdown for url

CHANGELOG.md

@@ -18,6 +18,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/) and this p
 ### Fixed
 
 - Fixes [#3018](https://github.com/gitkraken/vscode-gitlens/issues/3018) - Line blame overlay is broken when commit message contains a `)`
+- Fixes [#2625](https://github.com/gitkraken/vscode-gitlens/issues/2625) - full issue ref has escape characters that break hover links
 
 ## [14.5.0] - 2023-11-13
 

src/git/remotes/github.ts

@@ -14,7 +14,7 @@ import { fromNow } from '../../system/date';
 import { log } from '../../system/decorators/log';
 import { memoize } from '../../system/decorators/memoize';
 import { encodeUrl } from '../../system/encoding';
-import { equalsIgnoreCase, escapeMarkdown } from '../../system/string';
+import { equalsIgnoreCase, escapeMarkdown, unescapeMarkdown } from '../../system/string';
 import { supportedInVSCodeVersion } from '../../system/utils';
 import type { Account } from '../models/author';
 import type { DefaultBranch } from '../models/defaultBranch';
@@ -97,7 +97,9 @@ export class GitHubRemote extends RichRemoteProvider
 						return outputFormat === 'plaintext'
 							? text
 							: text.replace(autolinkFullIssuesRegex, (linkText: string, repo: string, num: string) => {
-									const url = encodeUrl(`${this.protocol}://${this.domain}/${repo}/issues/${num}`);
+									const url = encodeUrl(
+										`${this.protocol}://${this.domain}/${unescapeMarkdown(repo)}/issues/${num}`,
+									);
 									const title = ` "Open Issue or Pull Request #${num} from ${repo} on ${this.name}"`;
 
 									const token = `\x00${tokenMapping.size}\x00`;

src/git/remotes/gitlab.ts

@@ -13,7 +13,7 @@ import type { Brand, Unbrand } from '../../system/brand';
 import { fromNow } from '../../system/date';
 import { log } from '../../system/decorators/log';
 import { encodeUrl } from '../../system/encoding';
-import { equalsIgnoreCase, escapeMarkdown } from '../../system/string';
+import { equalsIgnoreCase, escapeMarkdown, unescapeMarkdown } from '../../system/string';
 import { supportedInVSCodeVersion } from '../../system/utils';
 import type { Account } from '../models/author';
 import type { DefaultBranch } from '../models/defaultBranch';
@@ -96,7 +96,9 @@ export class GitLabRemote extends RichRemoteProvider
 						return outputFormat === 'plaintext'
 							? text
 							: text.replace(autolinkFullIssuesRegex, (linkText: string, repo: string, num: string) => {
-									const url = encodeUrl(`${this.protocol}://${this.domain}/${repo}/-/issues/${num}`);
+									const url = encodeUrl(
+										`${this.protocol}://${this.domain}/${unescapeMarkdown(repo)}/-/issues/${num}`,
+									);
 									const title = ` "Open Issue #${num} from ${repo} on ${this.name}"`;
 
 									const token = `\x00${tokenMapping.size}\x00`;

src/system/string.ts

@@ -126,7 +126,11 @@ export function encodeHtmlWeak(s: string | undefined): string | undefined {
 }
 
 const escapeMarkdownRegex = /[\\`*_{}[\]()#+\-.!]/g;
+const unescapeMarkdownRegex = /\\([\\`*_{}[\]()#+\-.!])/g;
+
 const escapeMarkdownHeaderRegex = /^===/gm;
+const unescapeMarkdownHeaderRegex = /^\u200b===/gm;
+
 // const sampleMarkdown = '## message `not code` *not important* _no underline_ \n> don\'t quote me \n- don\'t list me \n+ don\'t list me \n1. don\'t list me \nnot h1 \n=== \nnot h2 \n---\n***\n---\n___';
 const markdownQuotedRegex = /\r?\n/g;
 
@@ -143,6 +147,16 @@ export function escapeMarkdown(s: string, options: { quoted?: boolean } = {}): s
 	return s.trim().replace(markdownQuotedRegex, '\t\\\n>  ');
 }
 
+export function unescapeMarkdown(s: string): string {
+	return (
+		s
+			// Unescape markdown
+			.replace(unescapeMarkdownRegex, '$1')
+			// Unescape markdown header
+			.replace(unescapeMarkdownHeaderRegex, '===')
+	);
+}
+
 export function escapeRegex(s: string) {
 	return s.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, '\\$&');
 }