Start adding merge

src/bin/config/combinations.js

@@ -54,4 +54,12 @@ Both the identifier and its type must be specified, such as --system.os=linux or
 --system.node_version=node_16
 Default: none`,
   },
+  merge: {
+    group: HISTORY,
+    string: true,
+    requiresArg: true,
+    describe: `Merge this result with previous ones.
+The value is an identifier. Results with the same identifier are merged.
+Default: same as result's identifier`,
+  },
 }

src/config/validate.js

@@ -46,6 +46,7 @@ const EXAMPLE_CONFIG = {
   reporter: optionalArray('debug'),
   reporterConfig: { debug: { property: true } },
   system: { os: 'linux', node_version: 'node_8' },
+  merge: 'f0f13513-5267-43a9-a02a-60fdde0332d0',
   limit: optionalArray('task_id=10'),
   quiet: true,
   force: true,

src/run/create.js

@@ -21,6 +21,6 @@ export const createResult = async function (config) {
 
 const createRawResult = async function (config) {
   const combinations = await listCombinations(config)
-  const { id, timestamp, systems } = createSystemInfo(config)
-  return { id, timestamp, systems, combinations }
+  const { id, mergeId, timestamp, systems } = createSystemInfo(config)
+  return { id, mergeId, timestamp, systems, combinations }
 }

src/system/create.js

@@ -43,9 +43,14 @@ import { getTimestamp } from './timestamp.js'
 //    and show them in the footer.
 export const createSystemInfo = function (config) {
   const id = uuidv4()
+  const mergeId = getMergeId(id, config)
   const timestamp = getTimestamp()
   const systems = getSystems(config)
-  return { id, timestamp, systems }
+  return { id, mergeId, timestamp, systems }
+}
+
+const getMergeId = function (id, { merge = id }) {
+  return merge
 }
 
 const getSystems = function ({ cwd, system: dimensions }) {