Convert a text file to a patch file

file2patch.sh

#!/usr/bin/env bash
# convert a text file to a patch file
set -Eeuo pipefail

# usage: file2patch "source/file" "relative/destination/path" "patch/file"
file2patch() {
    local SRCFILE="$1"
    local PATCHPATH="$2"
    local OUTFILE="$3"
    local FILEMODE="$(stat -c '%a' "${SRCFILE}")"
    local LINECOUNT="$(wc -l "${SRCFILE}" | cut -d' ' -f1)"

    (
        printf "diff --git a/%s b/%s\n" "${PATCHPATH}" "${PATCHPATH}"
        printf "new file mode 100%s\n" "${FILEMODE}"
        printf "index 00000000..11451419\n"
        printf "%s\n" "--- /dev/null" # "printf --" will cause parsing problems
        printf "+++ b/%s\n" "${PATCHPATH}"
        printf "@@ -0,0 +1,%d @@\n" "${LINECOUNT}"
        cat "${SRCFILE}" | sed -e 's/^/+/g'
    ) > "${OUTFILE}"

}

file2patch "$@"

From cb27e6f176e8e288c684364c0055f16a88cbceb1 Mon Sep 17 00:00:00 2001
From: Claude noreply@anthropic.com
Date: Fri, 13 Feb 2026 12:17:32 +0000
Subject: [PATCH] feat: add get_article operation node

Create a new 3P node that retrieves a DevRev article by ID, returning
extended fields: title, body, status, author, dates, tags, and
applies_to_parts.

.../functions/get_article_handler/index.ts | 96 +++++++++++++++++++
fixtures/get_article_event.json | 25 +++++
manifest.yaml | 95 ++++++++++++++++++
package.json | 22 +++++
tsconfig.json | 17 ++++
5 files changed, 255 insertions(+)
create mode 100644 code/src/functions/get_article_handler/index.ts
create mode 100644 fixtures/get_article_event.json
create mode 100644 manifest.yaml
create mode 100644 package.json
create mode 100644 tsconfig.json

diff --git a/code/src/functions/get_article_handler/index.ts b/code/src/functions/get_article_handler/index.ts
new file mode 100644
index 0000000..345b069
--- /dev/null
+++ b/code/src/functions/get_article_handler/index.ts
@@ -0,0 +1,96 @@
+import {

• FunctionInput,
• ExecuteOperationInput,
• OperationOutput,
• Error_Type,
  +} from '@devrev/typescript-sdk/dist/snap-ins';
  +import { client } from '@devrev/typescript-sdk';

+export const run = async (events: FunctionInput[]) => {

• const event = events[0];
• const payload = event.payload as ExecuteOperationInput;
• const inputData = payload.data as {
• article_id: string;
• };
• if (!inputData.article_id) {
• return OperationOutput.fromJSON({

•  error: {
  

•    message: 'article_id is required',
  

•    type: Error_Type.InvalidRequest,
  

•  },
  

• });
• }
• const devrevClient = client.setupBeta({
• endpoint: event.execution_metadata.devrev_endpoint,
• token: event.context.secrets.service_account_token,
• });
• try {
• const response = await devrevClient.articlesGet({

•  id: inputData.article_id,
  

• });
• const article = response.data.article;
• return OperationOutput.fromJSON({

•  output: {
  

•    values: [
  

•      {
  

•        article_id: article.id,
  

•        title: article.title ?? '',
  

•        body: article.body ?? '',
  

•        status: article.status ?? '',
  

•        author_id: article.authored_by?.id ?? '',
  

•        created_date: article.created_date ?? '',
  

•        modified_date: article.modified_date ?? '',
  

•        tags: (article.tags ?? []).map((tag: { name: string }) => tag.name),
  

•        applies_to_parts: (article.applies_to_parts ?? []).map(
  

•          (part: { id: string }) => part.id
  

•        ),
  

•      },
  

•    ],
  

•  },
  

• });
• } catch (error: any) {
• const message = error?.response?.data?.message ?? error.message;
• const statusCode = error?.response?.status;
• if (statusCode === 404) {

•  return OperationOutput.fromJSON({
  

•    error: {
  

•      message: `Article not found: ${inputData.article_id}`,
  

•      type: Error_Type.NotFound,
  

•    },
  

•  });
  

• }
• if (statusCode === 401) {

•  return OperationOutput.fromJSON({
  

•    error: {
  

•      message: 'Authentication failed',
  

•      type: Error_Type.Unauthenticated,
  

•    },
  

•  });
  

• }
• if (statusCode === 403) {

•  return OperationOutput.fromJSON({
  

•    error: {
  

•      message: 'Not authorized to access this article',
  

•      type: Error_Type.Forbidden,
  

•    },
  

•  });
  

• }
• return OperationOutput.fromJSON({

•  error: {
  

•    message: `Failed to fetch article: ${message}`,
  

•    type: Error_Type.Internal,
  

•  },
  

• });
• }
  +};

+export default run;
diff --git a/fixtures/get_article_event.json b/fixtures/get_article_event.json
new file mode 100644
index 0000000..6f98a39
--- /dev/null
+++ b/fixtures/get_article_event.json
@@ -0,0 +1,25 @@
+{

• "execution_metadata": {
• "devrev_endpoint": "https://api.devrev.ai",
• "event_type": "execute_operation"
• },
• "context": {
• "dev_org_id": "DEV-123",
• "snap_in_id": "snap_in_123",
• "secrets": {

•  "service_account_token": "test_token"
  

• }
• },
• "payload": {
• "metadata": {

•  "slug": "get_article",
  

•  "namespace": "get_article_node"
  

• },
• "data": {

•  "article_id": "ARTICLE-123"
  

• }
• },
• "input_data": {
• "resources": {}
• }
  +}
  diff --git a/manifest.yaml b/manifest.yaml
  new file mode 100644
  index 0000000..006e704
  --- /dev/null
  +++ b/manifest.yaml
  @@ -0,0 +1,95 @@
  +version: "2"
  +name: "Get Article"
  +description: "Retrieve a DevRev article by its ID"

+service_account:

• display_name: "Get Article Bot"

+functions:

• • name: get_article_handler
• description: "Handles fetching an article by ID"

+operations:

• • name: get_article
• display_name: "Get Article"
• description: "Fetch a DevRev article by its ID and return its details"
• slug: get_article
• function: get_article_handler
• type: action
• inputs:

•  fields:
  

•    - name: article_id
  

•      field_type: id
  

•      id_type:
  

•        - article
  

•      is_required: true
  

•      description: "The ID of the article to retrieve"
  

•      ui:
  

•        display_name: "Article ID"
  

•        placeholder: "ARTICLE-123"
  

• outputs:

•  fields:
  

•    - name: article_id
  

•      field_type: id
  

•      id_type:
  

•        - article
  

•      description: "The ID of the article"
  

•      ui:
  

•        display_name: "Article ID"
  

•    - name: title
  

•      field_type: text
  

•      description: "The title of the article"
  

•      ui:
  

•        display_name: "Title"
  

•    - name: body
  

•      field_type: rich_text
  

•      description: "The body content of the article"
  

•      ui:
  

•        display_name: "Body"
  

•    - name: status
  

•      field_type: text
  

•      description: "The current status of the article"
  

•      ui:
  

•        display_name: "Status"
  

•    - name: author_id
  

•      field_type: id
  

•      id_type:
  

•        - devu
  

•      description: "The author of the article"
  

•      ui:
  

•        display_name: "Author"
  

•    - name: created_date
  

•      field_type: text
  

•      description: "The date the article was created"
  

•      ui:
  

•        display_name: "Created Date"
  

•    - name: modified_date
  

•      field_type: text
  

•      description: "The date the article was last modified"
  

•      ui:
  

•        display_name: "Modified Date"
  

•    - name: tags
  

•      field_type: array
  

•      base_type: text
  

•      description: "Tags associated with the article"
  

•      ui:
  

•        display_name: "Tags"
  

•    - name: applies_to_parts
  

•      field_type: array
  

•      base_type: id
  

•      id_type:
  

•        - product
  

•        - part
  

•      description: "Parts that this article applies to"
  

•      ui:
  

•        display_name: "Applies to Parts"
  

diff --git a/package.json b/package.json
new file mode 100644
index 0000000..c893a04
--- /dev/null
+++ b/package.json
@@ -0,0 +1,22 @@
+{

• "name": "get-article-node",
• "version": "1.0.0",
• "description": "Get Article operation node for DevRev",
• "main": "dist/index.js",
• "scripts": {
• "build": "tsc",
• "test": "jest",
• "lint": "eslint 'code/src/**/*.ts'"
• },
• "dependencies": {
• "@devrev/typescript-sdk": "^1.0.0",
• "axios": "^1.6.0"
• },
• "devDependencies": {
• "@types/jest": "^29.5.0",
• "@types/node": "^20.0.0",
• "jest": "^29.7.0",
• "ts-jest": "^29.1.0",
• "typescript": "^5.3.0"
• }
  +}
  diff --git a/tsconfig.json b/tsconfig.json
  new file mode 100644
  index 0000000..76b4eb1
  --- /dev/null
  +++ b/tsconfig.json
  @@ -0,0 +1,17 @@
  +{
• "compilerOptions": {
• "target": "ES2020",
• "module": "commonjs",
• "lib": ["ES2020"],
• "outDir": "./dist",
• "rootDir": "./code/src",
• "strict": true,
• "esModuleInterop": true,
• "skipLibCheck": true,
• "forceConsistentCasingInFileNames": true,
• "resolveJsonModule": true,
• "declaration": true
• },
• "include": ["code/src/**/*"],
• "exclude": ["node_modules", "dist", "**/*.test.ts"]
  +}
  --
  2.43.0