feat: add Golang support

Fixes #19

Author: gagbo

README.md

@@ -25,6 +25,9 @@ go through the diff.
 - `ts-roots`: a list of project roots for typescript projects, one root per line.
   The values are given relative to the root of the repository, and should
   point to the directory containing the `package.json` file.
+- `go-roots`: a list of project roots for golang projects, one root per line.
+  The values are given relative to the root of the repository, and should
+  point to the directory containing the `go.mod` file.
 - `retention-days`: the number of days to keep the list of functions as
   [workflow
   artifacts](https://docs.github.com/en/actions/using-workflows/storing-workflow-data-as-artifacts#about-workflow-artifacts).
@@ -41,6 +44,7 @@ go through the diff.
 gh-token | yes 
 rs-roots | no 
 ts-roots | no 
+go-roots | no 
 retention-days | no
 am-version | no
 
@@ -103,6 +107,10 @@ In the case of a mono repo that would look like
 │  ├── README.md
 │  │ ...
 │  └── Cargo.toml
+├── project-d
+│  ├── README.md
+│  │ ...
+│  └── go.mod
 ├── project-ts
 │  ├── README.md
 │  │ ...
@@ -119,6 +127,8 @@ with:
     project-a
     project-b
     project-c
+  go-roots: |
+    project-d
   ts-roots: |
     project-ts
 ```
@@ -133,6 +143,10 @@ Language | Support
 :---:|:---:
 [Rust](https://github.com/autometrics-dev/autometrics-rs) | ✅ 
 [Typescript](https://github.com/autometrics-dev/autometrics-ts) | ✅
-[Go](https://github.com/autometrics-dev/autometrics-go) | ❌
+[Go](https://github.com/autometrics-dev/autometrics-go) | ⚠️[^mid]
 [Python](https://github.com/autometrics-dev/autometrics-py) | ❌
 [C#](https://github.com/autometrics-dev/autometrics-cs) | ❌
+
+
+[^mid]: Golang's version detects functions decorated with `//autometrics` directives, but
+    does not deal with `net/http` middleware wrapper yet.

action.yml

@@ -14,6 +14,9 @@ inputs:
   ts-roots:
     description: 'The list of typescript project roots to check. One path per line'
     required: false
+  go-roots:
+    description: 'The list of golang project roots to check. One path per line'
+    required: false
   retention-days:
     description: 'The number of days to keep the artifacts for. Defaults to 0 (inherits the policy from the repository)'
     required: false

dist/index.js

@@ -22,7 +22,7 @@
     "@mapbox/node-pre-gyp": "^1.0.10",
     "@octokit/openapi-types": "^18.0.0",
     "decompress": "^4.2.1",
-    "semver": "^7.5.1",
+    "semver": "^7.5.2",
     "tmp": "^0.2.1"
   },
   "devDependencies": {

dist/index.js.map

@@ -9,6 +9,7 @@ import {checkoutBaseState} from './gitops'
 const TOKEN = 'gh-token'
 const TS_ROOTS = 'ts-roots'
 const RS_ROOTS = 'rust-roots'
+const GO_ROOTS = 'go-roots'
 const RETENTION = 'retention-days'
 const AM_VERSION = 'am-version'
 
@@ -22,6 +23,7 @@ async function run(): Promise<void> {
     })
     const tsRoots = core.getMultilineInput(TS_ROOTS)
     const rsRoots = core.getMultilineInput(RS_ROOTS)
+    const goRoots = core.getMultilineInput(GO_ROOTS)
     const retention = parseInt(core.getInput(RETENTION))
     const amVersion =
       core.getInput(AM_VERSION) !== '' ? core.getInput(AM_VERSION) : undefined
@@ -33,6 +35,9 @@ async function run(): Promise<void> {
     core.startGroup('[head] Building datasets for head branch')
     const newAmDatasets: DataSetMap = {}
 
+    for (const goRoot of goRoots) {
+      newAmDatasets[goRoot] = await computeDataSet(amPath, goRoot, 'go')
+    }
     for (const tsRoot of tsRoots) {
       newAmDatasets[tsRoot] = await computeDataSet(amPath, tsRoot, 'typescript')
     }
@@ -55,6 +60,9 @@ async function run(): Promise<void> {
     core.startGroup('[base] Building datasets for base state')
     const oldAmDatasets: DataSetMap = {}
 
+    for (const goRoot of goRoots) {
+      oldAmDatasets[goRoot] = await computeDataSet(amPath, goRoot, 'go')
+    }
     for (const tsRoot of tsRoots) {
       oldAmDatasets[tsRoot] = await computeDataSet(amPath, tsRoot, 'typescript')
     }