From c9552ad211513931ec6ebad63594a5c066f6175d Mon Sep 17 00:00:00 2001
From: Vladyslav Kuksiuk <vladyslav.kuksiuk@teamdev.com>
Date: Thu, 9 Jul 2026 13:20:25 +0200
Subject: [PATCH 1/3] Provide codecov flow.

---
 .github/workflows/coverage.yml | 35 ++++++++++++++++++++++++++++++++++
 PROJECT.md                     |  2 ++
 README.md                      |  2 ++
 codecov.yml                    |  8 ++++++++
 4 files changed, 47 insertions(+)
 create mode 100644 .github/workflows/coverage.yml
 create mode 100644 codecov.yml

diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
new file mode 100644
index 0000000..5e0ca3e
--- /dev/null
+++ b/.github/workflows/coverage.yml
@@ -0,0 +1,35 @@
+name: Coverage
+
+on:
+  pull_request:
+
+permissions:
+  contents: read
+
+jobs:
+  coverage:
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    permissions:
+      contents: read
+
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@v6
+        with:
+          fetch-depth: 0
+
+      - name: Set Up Go Environment
+        uses: actions/setup-go@v5
+        with:
+          go-version-file: 'go.mod'
+
+      - name: Generate Test Coverage
+        run: go test ./... -covermode=atomic -coverpkg=./... -coverprofile=cover.out
+
+      - name: Upload Coverage
+        uses: codecov/codecov-action@v5
+        with:
+          files: ./cover.out
+          fail_ci_if_error: true
+          token: ${{ secrets.CODECOV_TOKEN }}
diff --git a/PROJECT.md b/PROJECT.md
index ad07a74..107261e 100644
--- a/PROJECT.md
+++ b/PROJECT.md
@@ -57,6 +57,8 @@ This repository is configured with these GitHub workflows:
 
 - `check`: runs linting, the normal Go test suite, and the showcase end-to-end
   tests across supported platforms.
+- `coverage`: uploads Go coverage to Codecov, where `codecov.yml` requires
+  90% patch coverage for pull requests.
 - `release-binaries`: reads `VERSION`, builds Linux, macOS, and Windows
   binaries, signs and notarizes the macOS ARM64 and x64 ZIPs, and creates the
   matching GitHub Release on pushes to `master`. It runs on a self-hosted macOS
diff --git a/README.md b/README.md
index 614d546..ff149d7 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,7 @@
 # Embed Code
 
+[![Coverage](https://codecov.io/gh/SpineEventEngine/embed-code-go/branch/master/graph/badge.svg)](https://codecov.io/gh/SpineEventEngine/embed-code-go)
+
 Embed Code is a Go command-line tool that keeps documentation snippets in sync
 with source files. It scans Markdown and HTML documents for `<embed-code>`
 instructions, resolves the requested source content, and manages the following
diff --git a/codecov.yml b/codecov.yml
new file mode 100644
index 0000000..886a1c5
--- /dev/null
+++ b/codecov.yml
@@ -0,0 +1,8 @@
+coverage:
+  status:
+    project: off
+    patch:
+      default:
+        target: 90%
+        threshold: 0%
+        only_pulls: true

From dbc645e9aa7fe6e35fa52130b137aaafdaf726c4 Mon Sep 17 00:00:00 2001
From: Vladyslav Kuksiuk <vladyslav.kuksiuk@teamdev.com>
Date: Thu, 9 Jul 2026 13:43:01 +0200
Subject: [PATCH 2/3] Update codecov version.

---
 .github/workflows/coverage.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index 5e0ca3e..cd86e21 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -28,7 +28,7 @@ jobs:
         run: go test ./... -covermode=atomic -coverpkg=./... -coverprofile=cover.out
 
       - name: Upload Coverage
-        uses: codecov/codecov-action@v5
+        uses: codecov/codecov-action@v7
         with:
           files: ./cover.out
           fail_ci_if_error: true

From 176413f918c3f0c4d852f02bd3ac5d30d51660bf Mon Sep 17 00:00:00 2001
From: Vladyslav Kuksiuk <vladyslav.kuksiuk@teamdev.com>
Date: Thu, 9 Jul 2026 14:00:03 +0200
Subject: [PATCH 3/3] Add on-push trigger.

---
 .github/workflows/coverage.yml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index cd86e21..5d7e5ed 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -2,6 +2,9 @@ name: Coverage
 
 on:
   pull_request:
+  push:
+    branches:
+      - master
 
 permissions:
   contents: read