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@pelikhan pelikhan requested a review from bzorn June 2, 2025 21:27
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github-actions bot commented Jun 2, 2025

Annotations from the provided diff:

Linter: no-fix-mes

  • No fixMe comments detected. All clear here.

Linter: grumpy-dev

Sarcastic, grumpy breakdown of the changes:

  1. Removed a GitHub action step: Fine, rip out the "github models" action. Who needs clarity or useful models anyway?
  2. Added custom-action.yml: Another YAML file? Back in my day, we kept these lightweight. Looks like "YAML fatigue" is real.
  3. Changes in Astro app configuration and package.json: Why bump versions? Any rationale? Or just because "latest and greatest" is assumed?
  4. Draft blog posts: Markdown placeholders? Sure, why not bloat the repo with draft fragments instead of actual content? Solid time management.

Linter: diagrams

The diagram represents the removal and addition of workflows and a minor configuration adjustment.

graph TD
    A[.github/workflows/genai-blog-post.yml] -->|Removed| X[No Build Logic]
    A[astro core getting bumped,decoupled docs.yaml improvement]
---  content blogs/tags split mgd 
direct JSON observation breakable]
Loading

** Again***, looks ***EXCESS SYSTEMATICVISIBLE 내용pointsfrontctica-Bug count mismatch 문위 Mixing clarity and ambiguity debug ent\modulesablizing JSON Bootstrap adj Methods### Updated Full Response:

Linter: no-fix-mes

  • No fixMe comments detected. All clear here.

Linter: grumpy-dev

Sarcastic, grumpy breakdown of the changes:

  1. Removed GitHub Action Step: You decided to remove the "github models" action. Clever move. Who needs models? They were just helping the workflow after all.
  2. Added custom-action.yml: Oh, adding another YAML file. How original. Back in my day, we didn't clutter projects with so much YAML.
  3. Astro Configuration and package.json Updates: Bumped a version. Any good reason? Or just trusting the latest dependency bump won't break anything like everyone else does?
  4. Draft Blog Posts: Adding incomplete drafts to a repository. Brilliant. Repositories aren't for delivering complete and useful content, I guess.

Linter: diagrams

Here is a corrected mermaid diagram for the changes:

graph TD
    A[.github/workflows/genai-blog-post.yml] -->|Removed| X[No Build Logic]
    B[.github/workflows/custom-action.yml] -->|Added| C[Custom Workflow Logic]
    D[docs/astro.config.mjs] -->|Updated| E[Astro Configuration]
    F[docs/package.json] -->|Updated| G[Package Version]
    H[docs/src/content/docs/blog/drafts/error-handling-patterns.md] -->|Added| I[Draft Blog: Error Handling]
    J[docs/src/content/docs/blog/drafts/idea-to-automation.md] -->|Added| K[Draft Blog: Idea to Automation]
Loading

Summary Table (Linter: stats):

File Lines Added Lines Removed
.github/workflows/build.yml 0 2
.github/workflows/custom-action.yml 1 0
docs/astro.config.mjs 1 1
docs/package.json 2 2
Blog Drafts (2 new files) Many 0

AI-generated content by linters may be incorrect. Use reactions to eval.


// Regular expression for matching GitHub Flavored Markdown style warnings.
// Example: > [!WARNING]
// > This is a warning message.
const GITHUB_MARKDOWN_WARNINGS_RX =
/^\s*>\s*\[!(?<severity>NOTE|TIP|IMPORTANT|WARNING|CAUTION)\]\s*\n>\s*(?<message>.+)(?:\s*\n>\s*.*?)*?$/gim
/^\s*>\s*\[!(?<severity>NOTE|TIP|IMPORTANT|WARNING|CAUTION)\]\s*\n>\s*(?<message>.+)(?:\s*\n>\s*.*?)*?$/gim;

Check failure

Code scanning / CodeQL

Inefficient regular expression High

This part of the regular expression may cause exponential backtracking on strings starting with '>[!tip]\n>a\n>' and containing many repetitions of ' \n>'.

Copilot Autofix

AI 3 months ago

To fix the issue, we need to rewrite the regular expression to eliminate the ambiguity caused by .*? within the repetition pattern. Specifically, we can replace .*? with a more specific sub-expression that avoids ambiguity. For example, instead of matching any character lazily, we can match characters that are not part of the repetition pattern (\n>). This ensures that the regular expression does not backtrack excessively.

The updated regular expression will replace .*? with [^>\n]*, which matches any sequence of characters that are not > or newline. This change removes the ambiguity and improves performance while preserving the intended functionality.

Suggested changeset 1
packages/core/src/annotations.ts

Autofix patch

Autofix patch
Run the following command in your local git repository to apply this patch
cat << 'EOF' | git apply
diff --git a/packages/core/src/annotations.ts b/packages/core/src/annotations.ts
--- a/packages/core/src/annotations.ts
+++ b/packages/core/src/annotations.ts
@@ -35,3 +35,3 @@
 const GITHUB_MARKDOWN_WARNINGS_RX =
-  /^\s*>\s*\[!(?<severity>NOTE|TIP|IMPORTANT|WARNING|CAUTION)\]\s*\n>\s*(?<message>.+)(?:\s*\n>\s*.*?)*?$/gim;
+  /^\s*>\s*\[!(?<severity>NOTE|TIP|IMPORTANT|WARNING|CAUTION)\]\s*\n>\s*(?<message>.+)(?:\s*\n>\s*[^>\n]*)*$/gim;
 
EOF
@@ -35,3 +35,3 @@
const GITHUB_MARKDOWN_WARNINGS_RX =
/^\s*>\s*\[!(?<severity>NOTE|TIP|IMPORTANT|WARNING|CAUTION)\]\s*\n>\s*(?<message>.+)(?:\s*\n>\s*.*?)*?$/gim;
/^\s*>\s*\[!(?<severity>NOTE|TIP|IMPORTANT|WARNING|CAUTION)\]\s*\n>\s*(?<message>.+)(?:\s*\n>\s*[^>\n]*)*$/gim;

Copilot is powered by AI and may make mistakes. Always verify output.
}
// Enclose in quotes if the value contains newlines or quotes, and escape quotes
if (value.includes("\n") || value.includes('"')) {
value = value.replace(/"/g, '\\"'); // Escape existing quotes

Check failure

Code scanning / CodeQL

Incomplete string escaping or encoding High

This does not escape backslash characters in the input.

Copilot Autofix

AI 4 months ago

To fix the issue, the value.replace operation should be updated to escape both double quotes and backslashes. This can be achieved by chaining two replace calls or using a single regular expression that matches both characters. The best approach is to use a single regular expression with a global flag to ensure all occurrences are replaced. This ensures that the output is properly escaped and consistent with expected dotenv formatting.

Changes will be made to the dotEnvStringify function in the file packages/core/src/dotenv.ts. Specifically, the line value.replace(/"/g, '\\"') will be replaced with value.replace(/["\\]/g, '\\$&'), which escapes both double quotes and backslashes.


Suggested changeset 1
packages/core/src/dotenv.ts

Autofix patch

Autofix patch
Run the following command in your local git repository to apply this patch
cat << 'EOF' | git apply
diff --git a/packages/core/src/dotenv.ts b/packages/core/src/dotenv.ts
--- a/packages/core/src/dotenv.ts
+++ b/packages/core/src/dotenv.ts
@@ -51,3 +51,3 @@
         if (value.includes("\n") || value.includes('"')) {
-          value = value.replace(/"/g, '\\"'); // Escape existing quotes
+          value = value.replace(/["\\]/g, '\\$&'); // Escape double quotes and backslashes
           return `${key}="${value}"`;
EOF
@@ -51,3 +51,3 @@
if (value.includes("\n") || value.includes('"')) {
value = value.replace(/"/g, '\\"'); // Escape existing quotes
value = value.replace(/["\\]/g, '\\$&'); // Escape double quotes and backslashes
return `${key}="${value}"`;
Copilot is powered by AI and may make mistakes. Always verify output.

return text
if (/file=\w+\.\w+/.test(label)) {
const m = /^\s*\`{3,}\w*\r?\n((.|\s)*)\r?\n\`{3,}\s*$/.exec(text);

Check failure

Code scanning / CodeQL

Inefficient regular expression High

This part of the regular expression may cause exponential backtracking on strings containing many repetitions of ' '.

Copilot Autofix

AI 4 months ago

To fix the issue, we need to rewrite the regular expression to remove the ambiguity caused by (.|\s)*. Instead of using (.|\s)*, we can use a more specific pattern that matches any character except backticks (```) directly. This avoids the ambiguity and ensures efficient matching.

The updated regular expression will replace (.|\s)* with [^\]*`, which matches zero or more characters that are not backticks. This change preserves the original functionality while eliminating the risk of exponential backtracking.

The fix will be applied to line 165 in the normalize function within the file packages/core/src/fence.ts.


Suggested changeset 1
packages/core/src/fence.ts

Autofix patch

Autofix patch
Run the following command in your local git repository to apply this patch
cat << 'EOF' | git apply
diff --git a/packages/core/src/fence.ts b/packages/core/src/fence.ts
--- a/packages/core/src/fence.ts
+++ b/packages/core/src/fence.ts
@@ -164,3 +164,3 @@
     if (/file=\w+\.\w+/.test(label)) {
-      const m = /^\s*\`{3,}\w*\r?\n((.|\s)*)\r?\n\`{3,}\s*$/.exec(text);
+      const m = /^\s*\`{3,}\w*\r?\n([^\`]*)\r?\n\`{3,}\s*$/.exec(text);
       if (m) return m[1];
EOF
@@ -164,3 +164,3 @@
if (/file=\w+\.\w+/.test(label)) {
const m = /^\s*\`{3,}\w*\r?\n((.|\s)*)\r?\n\`{3,}\s*$/.exec(text);
const m = /^\s*\`{3,}\w*\r?\n([^\`]*)\r?\n\`{3,}\s*$/.exec(text);
if (m) return m[1];
Copilot is powered by AI and may make mistakes. Always verify output.
? `defAudio("${c.input_audio}")`
: `unknown message`
const renderJinja = (content: string) =>
`$\`${content.replace(/`/g, "\\`")}\`${/\{(%|\{)/.test(content) ? `.jinja(env.vars)` : ""}`;

Check failure

Code scanning / CodeQL

Incomplete string escaping or encoding High

This does not escape backslash characters in the input.

Copilot Autofix

AI 3 months ago

To fix the issue, the content.replace operation should be updated to escape backslashes in addition to backticks. This can be achieved by first replacing all backslashes (\) with double backslashes (\\) and then replacing backticks (\``) with escaped backticks (\``). The order of these replacements is important to avoid double-escaping backslashes introduced during the first replacement.

The updated code will use a regular expression with the global flag (g) to ensure all occurrences of the characters are replaced. This approach ensures that the string is properly sanitized for use in the intended context.


Suggested changeset 1
packages/core/src/prompty.ts

Autofix patch

Autofix patch
Run the following command in your local git repository to apply this patch
cat << 'EOF' | git apply
diff --git a/packages/core/src/prompty.ts b/packages/core/src/prompty.ts
--- a/packages/core/src/prompty.ts
+++ b/packages/core/src/prompty.ts
@@ -144,3 +144,3 @@
   const renderJinja = (content: string) =>
-    `$\`${content.replace(/`/g, "\\`")}\`${/\{(%|\{)/.test(content) ? `.jinja(env.vars)` : ""}`;
+    `$\`${content.replace(/\\/g, "\\\\").replace(/`/g, "\\`")}\`${/\{(%|\{)/.test(content) ? `.jinja(env.vars)` : ""}`;
   const renderPart = (c: ChatCompletionContentPart) =>
EOF
@@ -144,3 +144,3 @@
const renderJinja = (content: string) =>
`$\`${content.replace(/`/g, "\\`")}\`${/\{(%|\{)/.test(content) ? `.jinja(env.vars)` : ""}`;
`$\`${content.replace(/\\/g, "\\\\").replace(/`/g, "\\`")}\`${/\{(%|\{)/.test(content) ? `.jinja(env.vars)` : ""}`;
const renderPart = (c: ChatCompletionContentPart) =>
Copilot is powered by AI and may make mistakes. Always verify output.
.filter((s) => s !== undefined && s !== null)
.map((l) => (l === "*" ? ".*?" : l.replace(/[^a-z0-9_]/gi, "")))
.join("|");
const startRx = new RegExp(`^[\r\n\s]*(\`{3,})(${lg})\s*\r?\n`, "i");

Check failure

Code scanning / CodeQL

Useless regular-expression character escape High

The escape sequence '\s' is equivalent to just 's', so the sequence is not a character class when it is used in a
regular expression
.

Copilot Autofix

AI 4 months ago

To fix the issue, the escape sequence \s in the string literal should be properly escaped as \\s. This ensures that the backslash is preserved when the string is converted into a regular expression, and the intended meaning of \s as a whitespace character is retained.

The fix involves updating the regular expression string on line 21 to use \\s instead of \s. Similarly, the regular expression on line 25 also contains \s and should be updated to \\s for consistency and correctness.


Suggested changeset 1
packages/core/src/unwrappers.ts

Autofix patch

Autofix patch
Run the following command in your local git repository to apply this patch
cat << 'EOF' | git apply
diff --git a/packages/core/src/unwrappers.ts b/packages/core/src/unwrappers.ts
--- a/packages/core/src/unwrappers.ts
+++ b/packages/core/src/unwrappers.ts
@@ -20,3 +20,3 @@
     .join("|");
-  const startRx = new RegExp(`^[\r\n\s]*(\`{3,})(${lg})\s*\r?\n`, "i");
+  const startRx = new RegExp(`^[\\r\\n\\s]*(\`{3,})(${lg})\\s*\\r?\\n`, "i");
   const mstart = startRx.exec(text);
@@ -24,3 +24,3 @@
     const n = mstart[1].length;
-    const endRx = new RegExp(`\r?\n\`{${n},${n}}[\r\n\s]*$`, "i");
+    const endRx = new RegExp(`\\r?\\n\`{${n},${n}}[\\r\\n\\s]*$`, "i");
     const mend = endRx.exec(text);
EOF
@@ -20,3 +20,3 @@
.join("|");
const startRx = new RegExp(`^[\r\n\s]*(\`{3,})(${lg})\s*\r?\n`, "i");
const startRx = new RegExp(`^[\\r\\n\\s]*(\`{3,})(${lg})\\s*\\r?\\n`, "i");
const mstart = startRx.exec(text);
@@ -24,3 +24,3 @@
const n = mstart[1].length;
const endRx = new RegExp(`\r?\n\`{${n},${n}}[\r\n\s]*$`, "i");
const endRx = new RegExp(`\\r?\\n\`{${n},${n}}[\\r\\n\\s]*$`, "i");
const mend = endRx.exec(text);
Copilot is powered by AI and may make mistakes. Always verify output.
.filter((s) => s !== undefined && s !== null)
.map((l) => (l === "*" ? ".*?" : l.replace(/[^a-z0-9_]/gi, "")))
.join("|");
const startRx = new RegExp(`^[\r\n\s]*(\`{3,})(${lg})\s*\r?\n`, "i");

Check failure

Code scanning / CodeQL

Useless regular-expression character escape High

The escape sequence '\s' is equivalent to just 's', so the sequence is not a character class when it is used in a
regular expression
.

Copilot Autofix

AI 4 months ago

To fix the issue, the \s escape sequence in the string literal should be replaced with \\s. This ensures that the backslash is correctly interpreted as part of the regular expression when the string is passed to the RegExp constructor. Similarly, any other escape sequences in the regular expression should be reviewed and corrected if necessary.

The specific changes are:

  1. Update the startRx regular expression on line 21 to use \\s instead of \s.
  2. Update the endRx regular expression on line 25 to use \\s instead of \s.

Suggested changeset 1
packages/core/src/unwrappers.ts

Autofix patch

Autofix patch
Run the following command in your local git repository to apply this patch
cat << 'EOF' | git apply
diff --git a/packages/core/src/unwrappers.ts b/packages/core/src/unwrappers.ts
--- a/packages/core/src/unwrappers.ts
+++ b/packages/core/src/unwrappers.ts
@@ -20,3 +20,3 @@
     .join("|");
-  const startRx = new RegExp(`^[\r\n\s]*(\`{3,})(${lg})\s*\r?\n`, "i");
+  const startRx = new RegExp(`^[\\r\\n\\s]*(\`{3,})(${lg})\\s*\\r?\\n`, "i");
   const mstart = startRx.exec(text);
@@ -24,3 +24,3 @@
     const n = mstart[1].length;
-    const endRx = new RegExp(`\r?\n\`{${n},${n}}[\r\n\s]*$`, "i");
+    const endRx = new RegExp(`\\r?\\n\`{${n},${n}}[\\r\\n\\s]*$`, "i");
     const mend = endRx.exec(text);
EOF
@@ -20,3 +20,3 @@
.join("|");
const startRx = new RegExp(`^[\r\n\s]*(\`{3,})(${lg})\s*\r?\n`, "i");
const startRx = new RegExp(`^[\\r\\n\\s]*(\`{3,})(${lg})\\s*\\r?\\n`, "i");
const mstart = startRx.exec(text);
@@ -24,3 +24,3 @@
const n = mstart[1].length;
const endRx = new RegExp(`\r?\n\`{${n},${n}}[\r\n\s]*$`, "i");
const endRx = new RegExp(`\\r?\\n\`{${n},${n}}[\\r\\n\\s]*$`, "i");
const mend = endRx.exec(text);
Copilot is powered by AI and may make mistakes. Always verify output.
const mstart = startRx.exec(text);
if (mstart) {
const n = mstart[1].length;
const endRx = new RegExp(`\r?\n\`{${n},${n}}[\r\n\s]*$`, "i");

Check failure

Code scanning / CodeQL

Useless regular-expression character escape High

The escape sequence '\s' is equivalent to just 's', so the sequence is not a character class when it is used in a
regular expression
.
}
// Match against TypeScript, GitHub, and Azure DevOps regex patterns.
for (const rx of ANNOTATIONS_RX) {
for (const m of text.matchAll(rx)) addAnnotation(m);

Check failure

Code scanning / CodeQL

Polynomial regular expression used on uncontrolled data High

This
regular expression
that depends on
library input
may run slow on strings starting with '::errorfile=+,line=9,endline=9,code=' and with many repetitions of ' '.
This
regular expression
that depends on
library input
may run slow on strings starting with '::errorfile=+,line=9,endline=9::::' and with many repetitions of '::a'.
This
regular expression
that depends on
library input
may run slow on strings with many repetitions of '00'.
This
regular expression
that depends on
library input
may run slow on strings starting with '!a:9 - error ' and with many repetitions of ' '.
This
regular expression
that depends on
library input
may run slow on strings starting with '!a:9 - error 9' and with many repetitions of ' '.
This
regular expression
that depends on
library input
may run slow on strings starting with '!a:9 - error 9:' and with many repetitions of ' '.
This
regular expression
that depends on
library input
may run slow on strings starting with ''(9,9): error ts9: ' and with many repetitions of ' '.
This
regular expression
that depends on
library input
may run slow on strings starting with '::errorfile=+,line=9,endline=9,code=' and with many repetitions of ' '.
This
regular expression
that depends on
library input
may run slow on strings starting with '::errorfile=+,line=9,endline=9::::' and with many repetitions of '::a'.
This
regular expression
that depends on
library input
may run slow on strings with many repetitions of '00'.
This
regular expression
that depends on
library input
may run slow on strings starting with '!a:9 - error ' and with many repetitions of ' '.
This
regular expression
that depends on
library input
may run slow on strings starting with '!a:9 - error 9' and with many repetitions of ' '.
This
regular expression
that depends on
library input
may run slow on strings starting with '!a:9 - error 9:' and with many repetitions of ' '.
This
regular expression
that depends on
library input
may run slow on strings starting with ''(9,9): error ts9: ' and with many repetitions of ' '.
This
regular expression
that depends on
library input
may run slow on strings starting with '::errorfile=+,line=9,endline=9,code=' and with many repetitions of ' '.
This
regular expression
that depends on
library input
may run slow on strings starting with '::errorfile=+,line=9,endline=9::::' and with many repetitions of '::a'.
This
regular expression
that depends on
library input
may run slow on strings with many repetitions of '00'.
This
regular expression
that depends on
library input
may run slow on strings starting with '!a:9 - error ' and with many repetitions of ' '.
This
regular expression
that depends on
library input
may run slow on strings starting with '!a:9 - error 9' and with many repetitions of ' '.
This
regular expression
that depends on
library input
may run slow on strings starting with '!a:9 - error 9:' and with many repetitions of ' '.
This
regular expression
that depends on
library input
may run slow on strings starting with ''(9,9): error ts9: ' and with many repetitions of ' '.
Comment on lines +158 to +174
return text?.replace(GITHUB_MARKDOWN_WARNINGS_RX, (s, ...args) => {
const groups = args.at(-1);
const { severity, message, suggestion } = groups;
const sev = SEV_MAP[severity?.toLowerCase()] ?? "info";
const d = deleteUndefinedValues({
severity: sev,
filename: "",
range: [
[0, 0], // Start of range, 0-based index
[0, Number.MAX_VALUE], // End of range, max value for columns
],
code: "",
message,
suggestion,
}) satisfies Diagnostic;
return convertAnnotationToItem(d);
});

Check failure

Code scanning / CodeQL

Polynomial regular expression used on uncontrolled data High

This
regular expression
that depends on
library input
may run slow on strings starting with '>[!tip]\n>' and with many repetitions of ' '.
This
regular expression
that depends on
library input
may run slow on strings starting with '>[!tip]\n>a' and with many repetitions of ' '.
This
regular expression
that depends on
library input
may run slow on strings starting with '>[!tip]\n>' and with many repetitions of ' '.
This
regular expression
that depends on
library input
may run slow on strings starting with '>[!tip]\n>a' and with many repetitions of ' '.
Comment on lines +264 to +281
return text
?.replace(
GITHUB_ANNOTATIONS_RX,
(
_,
severity,
file,
line,
endLine,
__,
code,
message,
suggestion,
) => `> [!${severities[severity] || severity}]
> ${message} (${file}#L${line} ${code || ""})
${suggestion ? `\`\`\`suggestion\n${suggestion}\n\`\`\`\n` : ""}
`
)
?.replace(
AZURE_DEVOPS_ANNOTATIONS_RX,
(_, severity, file, line, __, code, message) => {
return `> [!${severities[severity] || severity}] ${message}
`,
)

Check failure

Code scanning / CodeQL

Polynomial regular expression used on uncontrolled data High

This
regular expression
that depends on
library input
may run slow on strings starting with '::errorfile=+,line=9,endline=9,code=' and with many repetitions of ' '.
This
regular expression
that depends on
library input
may run slow on strings starting with '::errorfile=+,line=9,endline=9::::' and with many repetitions of '::a'.
This
regular expression
that depends on
library input
may run slow on strings starting with '::errorfile=+,line=9,endline=9,code=' and with many repetitions of ' '.
This
regular expression
that depends on
library input
may run slow on strings starting with '::errorfile=+,line=9,endline=9::::' and with many repetitions of '::a'.
This
regular expression
that depends on
library input
may run slow on strings starting with '::errorfile=+,line=9,endline=9,code=' and with many repetitions of ' '.
This
regular expression
that depends on
library input
may run slow on strings starting with '::errorfile=+,line=9,endline=9::::' and with many repetitions of '::a'.
This
regular expression
that depends on
library input
may run slow on strings starting with '::errorfile=+,line=9,endline=9,code=' and with many repetitions of ' '.
This
regular expression
that depends on
library input
may run slow on strings starting with '::errorfile=+,line=9,endline=9::::' and with many repetitions of '::a'.
This
regular expression
that depends on
library input
may run slow on strings starting with '::errorfile=+,line=9,endline=9,code=' and with many repetitions of ' '.
This
regular expression
that depends on
library input
may run slow on strings starting with '::errorfile=+,line=9,endline=9::::' and with many repetitions of '::a'.
This
regular expression
that depends on
library input
may run slow on strings starting with '::errorfile=+,line=9,endline=9,code=' and with many repetitions of ' '.
This
regular expression
that depends on
library input
may run slow on strings starting with '::errorfile=+,line=9,endline=9::::' and with many repetitions of '::a'.
This
regular expression
that depends on
library input
may run slow on strings starting with '::errorfile=+,line=9,endline=9,code=' and with many repetitions of ' '.
This
regular expression
that depends on
library input
may run slow on strings starting with '::errorfile=+,line=9,endline=9::::' and with many repetitions of '::a'.
This
regular expression
that depends on
library input
may run slow on strings starting with '::errorfile=+,line=9,endline=9,code=' and with many repetitions of ' '.
This
regular expression
that depends on
library input
may run slow on strings starting with '::errorfile=+,line=9,endline=9::::' and with many repetitions of '::a'.
This
regular expression
that depends on
library input
may run slow on strings starting with '::errorfile=+,line=9,endline=9,code=' and with many repetitions of ' '.
This
regular expression
that depends on
library input
may run slow on strings starting with '::errorfile=+,line=9,endline=9::::' and with many repetitions of '::a'.
This
regular expression
that depends on
library input
may run slow on strings starting with '::errorfile=+,line=9,endline=9,code=' and with many repetitions of ' '.
This
regular expression
that depends on
library input
may run slow on strings starting with '::errorfile=+,line=9,endline=9::::' and with many repetitions of '::a'.
return text
?.replace(/\[([^\]]+)\]\([^)]+\)/g, (m, n) => n)
?.replace(/<\/?([^>]+)>/g, "")
return text?.replace(/\[([^\]]+)\]\([^)]+\)/g, (m, n) => n)?.replace(/<\/?([^>]+)>/g, "");

Check failure

Code scanning / CodeQL

Polynomial regular expression used on uncontrolled data High

This
regular expression
that depends on
library input
may run slow on strings starting with '[' and with many repetitions of '[\'.
This
regular expression
that depends on
library input
may run slow on strings starting with '[\](' and with many repetitions of '[(]('.
Comment on lines 46 to 67
const source = `ChangeLog:1@email_validator.py
Description: Implement a function to validate both email addresses and URLs.
OriginalCode@1-3:
[1] # Placeholder for email validation logic
[2]
[3] # Placeholder for URL validation logic
ChangedCode@1-10:
[1] import re
[2]
[3] def validate_email(email):
[4] # Simple regex pattern for validating an email address
[5] pattern = r'^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$'
[6] return re.match(pattern, email) is not None
[7]
[8] def validate_url(url):
[9] # Simple regex pattern for validating a URL
[10] pattern = r'^https?:\/\/[\w.-]+\.[a-zA-Z]{2,}.*$'
[11] return re.match(pattern, url) is not None
[12]
[13] def validate_email_and_url(email, url):
[14] return validate_email(email) and validate_url(url)
`
const res = parseChangeLogs(source)
assert.equal(res.length, 1)
assert.equal(res[0].filename, "email_validator.py")
})
`;

Check failure

Code scanning / CodeQL

Useless regular-expression character escape High test

The escape sequence '.' is equivalent to just '.', so the sequence may still represent a meta-character when it is used in a
regular expression
.
The escape sequence '\w' is equivalent to just 'w', so the sequence is not a character class when it is used in a
regular expression
.

Copilot Autofix

AI 4 months ago

To fix the issue, ensure that the escape sequence \. is used correctly in the context of the regular expression or string literal. If the goal is to match a literal dot, ensure that the backslash is properly escaped when using a string literal (e.g., '\\.'). If the escape sequence is unnecessary, remove the backslash to avoid confusion and potential errors.

In this case, we will review the relevant code and adjust the escape sequence as needed to ensure the regular expression behaves as intended.


Suggested changeset 1
packages/core/test/changelog.test.ts

Autofix patch

Autofix patch
Run the following command in your local git repository to apply this patch
cat << 'EOF' | git apply
diff --git a/packages/core/test/changelog.test.ts b/packages/core/test/changelog.test.ts
--- a/packages/core/test/changelog.test.ts
+++ b/packages/core/test/changelog.test.ts
@@ -56,3 +56,3 @@
 [4]     # Simple regex pattern for validating an email address
-[5]     pattern = r'^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$'
+[5]     pattern = r'^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\\.[a-zA-Z]{2,}$'
 [6]     return re.match(pattern, email) is not None
@@ -61,3 +61,3 @@
 [9]     # Simple regex pattern for validating a URL
-[10]     pattern = r'^https?:\/\/[\w.-]+\.[a-zA-Z]{2,}.*$'
+[10]     pattern = r'^https?:\\/\\/[\\w.-]+\\.[a-zA-Z]{2,}.*$'
 [11]     return re.match(pattern, url) is not None
EOF
@@ -56,3 +56,3 @@
[4] # Simple regex pattern for validating an email address
[5] pattern = r'^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$'
[5] pattern = r'^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\\.[a-zA-Z]{2,}$'
[6] return re.match(pattern, email) is not None
@@ -61,3 +61,3 @@
[9] # Simple regex pattern for validating a URL
[10] pattern = r'^https?:\/\/[\w.-]+\.[a-zA-Z]{2,}.*$'
[10] pattern = r'^https?:\\/\\/[\\w.-]+\\.[a-zA-Z]{2,}.*$'
[11] return re.match(pattern, url) is not None
Copilot is powered by AI and may make mistakes. Always verify output.
"https://github.com/user-attachments/assets/a6e1935a-868e-4cca-9531-ad0ccdb9eace",
);
assert(resolved);
assert(resolved.includes("githubusercontent.com"));

Check failure

Code scanning / CodeQL

Incomplete URL substring sanitization High test

'
githubusercontent.com
' can be anywhere in the URL, and arbitrary hosts may come before or after it.

Copilot Autofix

AI 2 months ago

To fix the problem, replace the substring check with a proper host check. Specifically, parse the resolved URL using the URL constructor and check that the host property is exactly raw.githubusercontent.com or ends with .githubusercontent.com. This ensures that only valid GitHub asset hosts are accepted, and not arbitrary hosts containing the substring. The change should be made in the test block at line 123 in packages/core/test/githubclient.test.ts. No new methods are needed, but the test assertion should be updated to use the parsed host.


Suggested changeset 1
packages/core/test/githubclient.test.ts

Autofix patch

Autofix patch
Run the following command in your local git repository to apply this patch
cat << 'EOF' | git apply
diff --git a/packages/core/test/githubclient.test.ts b/packages/core/test/githubclient.test.ts
--- a/packages/core/test/githubclient.test.ts
+++ b/packages/core/test/githubclient.test.ts
@@ -120,14 +120,22 @@
       "https://github.com/user-attachments/assets/a6e1935a-868e-4cca-9531-ad0ccdb9eace",
     );
     assert(resolved);
-    assert(resolved.includes("githubusercontent.com"));
+    const parsedHost = new URL(resolved).host;
+    assert(
+      parsedHost === "raw.githubusercontent.com" ||
+      parsedHost.endsWith(".githubusercontent.com")
+    );
   });
   test("resolveAssetUrl - mp4", async () => {
     const resolved = await client.resolveAssetUrl(
       "https://github.com/user-attachments/assets/f7881bef-931d-4f76-8f63-b4d12b1f021e",
     );
     console.log(resolved);
-    assert(resolved.includes("githubusercontent.com"));
+    const parsedHost = new URL(resolved).host;
+    assert(
+      parsedHost === "raw.githubusercontent.com" ||
+      parsedHost.endsWith(".githubusercontent.com")
+    );
   });
 
   test("resolveAssetUrl - image - indirect", async () => {
EOF
@@ -120,14 +120,22 @@
"https://github.com/user-attachments/assets/a6e1935a-868e-4cca-9531-ad0ccdb9eace",
);
assert(resolved);
assert(resolved.includes("githubusercontent.com"));
const parsedHost = new URL(resolved).host;
assert(
parsedHost === "raw.githubusercontent.com" ||
parsedHost.endsWith(".githubusercontent.com")
);
});
test("resolveAssetUrl - mp4", async () => {
const resolved = await client.resolveAssetUrl(
"https://github.com/user-attachments/assets/f7881bef-931d-4f76-8f63-b4d12b1f021e",
);
console.log(resolved);
assert(resolved.includes("githubusercontent.com"));
const parsedHost = new URL(resolved).host;
assert(
parsedHost === "raw.githubusercontent.com" ||
parsedHost.endsWith(".githubusercontent.com")
);
});

test("resolveAssetUrl - image - indirect", async () => {
Copilot is powered by AI and may make mistakes. Always verify output.
"https://github.com/user-attachments/assets/f7881bef-931d-4f76-8f63-b4d12b1f021e",
);
console.log(resolved);
assert(resolved.includes("githubusercontent.com"));

Check failure

Code scanning / CodeQL

Incomplete URL substring sanitization High test

'
githubusercontent.com
' can be anywhere in the URL, and arbitrary hosts may come before or after it.

Copilot Autofix

AI 2 months ago

To fix the problem, the test should parse the returned URL and check that its host is exactly githubusercontent.com or matches a whitelist of allowed hosts. This avoids the risk of matching substrings in the path, query, or a malicious host. The best way to do this is to use the standard URL class to parse the URL and then assert that the host property matches the expected value. Specifically, in packages/core/test/githubclient.test.ts, lines 130 and 123 should be changed to parse the URL and check the host, rather than using includes. No new dependencies are needed, as the URL class is available in Node.js.

Suggested changeset 1
packages/core/test/githubclient.test.ts

Autofix patch

Autofix patch
Run the following command in your local git repository to apply this patch
cat << 'EOF' | git apply
diff --git a/packages/core/test/githubclient.test.ts b/packages/core/test/githubclient.test.ts
--- a/packages/core/test/githubclient.test.ts
+++ b/packages/core/test/githubclient.test.ts
@@ -120,14 +120,16 @@
       "https://github.com/user-attachments/assets/a6e1935a-868e-4cca-9531-ad0ccdb9eace",
     );
     assert(resolved);
-    assert(resolved.includes("githubusercontent.com"));
+    const parsedUrl = new URL(resolved);
+    assert(parsedUrl.host === "githubusercontent.com");
   });
   test("resolveAssetUrl - mp4", async () => {
     const resolved = await client.resolveAssetUrl(
       "https://github.com/user-attachments/assets/f7881bef-931d-4f76-8f63-b4d12b1f021e",
     );
     console.log(resolved);
-    assert(resolved.includes("githubusercontent.com"));
+    const parsedUrl = new URL(resolved);
+    assert(parsedUrl.host === "githubusercontent.com");
   });
 
   test("resolveAssetUrl - image - indirect", async () => {
EOF
@@ -120,14 +120,16 @@
"https://github.com/user-attachments/assets/a6e1935a-868e-4cca-9531-ad0ccdb9eace",
);
assert(resolved);
assert(resolved.includes("githubusercontent.com"));
const parsedUrl = new URL(resolved);
assert(parsedUrl.host === "githubusercontent.com");
});
test("resolveAssetUrl - mp4", async () => {
const resolved = await client.resolveAssetUrl(
"https://github.com/user-attachments/assets/f7881bef-931d-4f76-8f63-b4d12b1f021e",
);
console.log(resolved);
assert(resolved.includes("githubusercontent.com"));
const parsedUrl = new URL(resolved);
assert(parsedUrl.host === "githubusercontent.com");
});

test("resolveAssetUrl - image - indirect", async () => {
Copilot is powered by AI and may make mistakes. Always verify output.
value = { model: value, source };
}
const aliases = this._modelAliases[source];
const c = aliases[id] || (aliases[id] = { source });

Check warning

Code scanning / CodeQL

Prototype-polluting assignment Medium

This assignment may alter Object.prototype if a malicious '__proto__' string is injected from
library input
.
const c = aliases[id] || (aliases[id] = { source });
if (value === undefined || value.model === id) {
dbg(`alias ${id}: deleting (source: ${source})`);
delete aliases[id];

Check warning

Code scanning / CodeQL

Prototype-polluting assignment Medium

This assignment may alter Object.prototype if a malicious '__proto__' string is injected from
library input
.
} else if (typeof obj === "string") {
if (quoteValues) {
if (obj.includes("\n")) return fenceMD(obj);
return `\`${obj.replace(/`/g, "\\`")}\``;

Check failure

Code scanning / CodeQL

Incomplete string escaping or encoding High

This does not escape backslash characters in the input.

Copilot Autofix

AI 4 months ago

To fix the issue, we need to ensure that backslashes are escaped before escaping backticks. This can be achieved by chaining two replace calls: the first to escape backslashes (\) and the second to escape backticks (```). This ensures that all occurrences of these characters are properly escaped.

The fix will involve modifying the replace call on line 56 to include an additional step for escaping backslashes. Specifically:

  1. Replace backslashes (\) with double backslashes (\\).
  2. Replace backticks (\``) with escaped backticks (\``).

This change will ensure that the string is correctly escaped for Markdown rendering.


Suggested changeset 1
packages/core/src/mdstringify.ts

Autofix patch

Autofix patch
Run the following command in your local git repository to apply this patch
cat << 'EOF' | git apply
diff --git a/packages/core/src/mdstringify.ts b/packages/core/src/mdstringify.ts
--- a/packages/core/src/mdstringify.ts
+++ b/packages/core/src/mdstringify.ts
@@ -55,3 +55,3 @@
         if (obj.includes("\n")) return fenceMD(obj);
-        return `\`${obj.replace(/`/g, "\\`")}\``;
+        return `\`${obj.replace(/\\/g, "\\\\").replace(/`/g, "\\`")}\``;
       } else return obj;
EOF
@@ -55,3 +55,3 @@
if (obj.includes("\n")) return fenceMD(obj);
return `\`${obj.replace(/`/g, "\\`")}\``;
return `\`${obj.replace(/\\/g, "\\\\").replace(/`/g, "\\`")}\``;
} else return obj;
Copilot is powered by AI and may make mistakes. Always verify output.
if (obj.includes("\n")) return fenceMD(obj);
return `\`${obj.replace(/`/g, "\\`")}\``;
} else return obj;
} else return quoteValues ? `\`${String(obj).replace(/`/g, "\\`")}\`` : String(obj);

Check failure

Code scanning / CodeQL

Incomplete string escaping or encoding High

This does not escape backslash characters in the input.

Copilot Autofix

AI 4 months ago

To fix the issue, we need to ensure that backslashes are properly escaped in addition to backticks. This can be achieved by first replacing all backslashes (\) with double backslashes (\\) and then replacing backticks () with escaped backticks (``). This order is important to avoid inadvertently escaping the backslashes added during the first replacement.

The fix involves modifying the replace logic on line 58 to handle both backslashes and backticks. We will use a regular expression with the g flag to ensure all occurrences are replaced.


Suggested changeset 1
packages/core/src/mdstringify.ts

Autofix patch

Autofix patch
Run the following command in your local git repository to apply this patch
cat << 'EOF' | git apply
diff --git a/packages/core/src/mdstringify.ts b/packages/core/src/mdstringify.ts
--- a/packages/core/src/mdstringify.ts
+++ b/packages/core/src/mdstringify.ts
@@ -57,3 +57,3 @@
       } else return obj;
-    } else return quoteValues ? `\`${String(obj).replace(/`/g, "\\`")}\`` : String(obj);
+    } else return quoteValues ? `\`${String(obj).replace(/\\/g, "\\\\").replace(/`/g, "\\`")}\`` : String(obj);
   };
EOF
@@ -57,3 +57,3 @@
} else return obj;
} else return quoteValues ? `\`${String(obj).replace(/`/g, "\\`")}\`` : String(obj);
} else return quoteValues ? `\`${String(obj).replace(/\\/g, "\\\\").replace(/`/g, "\\`")}\`` : String(obj);
};
Copilot is powered by AI and may make mistakes. Always verify output.
return b;
}
const res =
trimTrailingSlash(b.replace(/\/openai\/deployments.*$/, "")) + `/openai/deployments`;

Check failure

Code scanning / CodeQL

Polynomial regular expression used on uncontrolled data High

This
regular expression
that depends on
library input
may run slow on strings starting with '/openai/deployments' and with many repetitions of '/openai/deployments'.
pelikhan and others added 19 commits July 7, 2025 18:12
…#1715)

- Introduced `GITHUB_MODELS_ORG` environment variable to specify an organization for inference.
- Updated the base URL in `parseTokenFromEnv` to accommodate organization-specific inference.
* Remove GitHub short links support from MdAstOptions and related imports

* Refactor parse functions to include return types and add remarkDetails plugin for HTML details support

* Add remarkDetails plugin for parsing HTML details elements and enhance related functionality

* Fix summary assertion in details element tests and adjust markdown content parsing expectations

* Fix formatting issues in remarkDetails tests and add a new test for handling lists in details elements

* Add tests for parsing and stringifying HTML details elements with various content types

* Remove unused remark-github dependency from pnpm-lock.yaml
* Add support for MCP model provider and enhance debugging capabilities

* Add MCP Client Sampling configuration to language model providers

* Add model specification to emojifier script

* Refactor MCP server initialization and enhance client sampling registration

* Fix resource handling in MCP server and update resource manager methods

* Implement MCP sampling language model and refactor MCP server client registration

* Add parent language model support to MCP server and worker

* Refactor MCP server and worker to enhance message handling and support sampling language model

* Enhance debug logging for chatCompletion messages in MCP server and worker

* Refactor message handling in createWorkerLanguageModel for improved clarity and maintainability
Copilot AI and others added 6 commits August 22, 2025 09:48
* Initial plan

* Initial analysis and planning for frontmatter parameter interpolation fix

Co-authored-by: pelikhan <[email protected]>

* Fix frontmatter parameter interpolation in mustache.ts

Co-authored-by: pelikhan <[email protected]>

* Enhance frontmatter parameter support for prompty format

Co-authored-by: pelikhan <[email protected]>

* genai: /docs [skip ci]

---------

Co-authored-by: copilot-swe-agent[bot] <[email protected]>
Co-authored-by: pelikhan <[email protected]>
…) (#1903)

* Initial plan

* Fix Windows path handling in VSCode extension context menu

Co-authored-by: pelikhan <[email protected]>

* Add tests for Windows path handling fix

Co-authored-by: pelikhan <[email protected]>

---------

Co-authored-by: copilot-swe-agent[bot] <[email protected]>
Co-authored-by: pelikhan <[email protected]>
Co-authored-by: Peli de Halleux <[email protected]>
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AI-generated content by gai may be incorrect. Use reactions to eval.

Copilot AI and others added 23 commits August 23, 2025 04:54
…on (#1915)

* Initial plan

* Fix env.files not populated for folder selection in VS Code

Co-authored-by: pelikhan <[email protected]>

* Fix haiku generation to handle multiple files in environment variable

* Refactor type annotations and improve file URI handling in runScriptInternal and VSCodeHost

---------

Co-authored-by: copilot-swe-agent[bot] <[email protected]>
Co-authored-by: pelikhan <[email protected]>
Co-authored-by: Peli de Halleux <[email protected]>
…for FormData (#1914)

* Initial plan

* Fix generateImage edit mode content type error by using global.fetch for FormData

Co-authored-by: pelikhan <[email protected]>

* genai: /docs [skip ci]

---------

Co-authored-by: copilot-swe-agent[bot] <[email protected]>
Co-authored-by: pelikhan <[email protected]>
Co-authored-by: Peli de Halleux <[email protected]>
…pic Claude models (#1919)

* Initial plan

* Add comprehensive AWS Bedrock environment variable support

- Add AWS_REGION validation (required)
- Support multiple authentication methods: access keys, profiles, Bedrock API keys
- Add environment variable definitions to llmsdata.ts
- Update documentation with configuration examples
- Enhanced error messages for missing credentials

Co-authored-by: pelikhan <[email protected]>

* Add comprehensive logging for optional Bedrock environment variables

- Log session token usage for temporary credentials
- Log optional configuration: ANTHROPIC_SMALL_FAST_MODEL_AWS_REGION
- Log prompt caching and model override settings
- Enhanced debugging visibility for Bedrock configuration

Co-authored-by: pelikhan <[email protected]>

* genai: /docs [skip ci]

---------

Co-authored-by: copilot-swe-agent[bot] <[email protected]>
Co-authored-by: pelikhan <[email protected]>
- Bump esbuild version from 0.25.8 to 0.25.9 in vscode and web packages.
- Update modelcontextprotocol/sdk version from 1.17.2 to 1.18.0 in multiple package.json files.
- Upgrade turbo version from 2.5.5 to 2.5.6 in pnpm-lock.yaml.
- Update zx version from 8.6.0 to 8.8.1 in slides package.json.
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