From c85b55fb0a6a2949f57628a520e7ee8d752b2166 Mon Sep 17 00:00:00 2001
From: Robin <git+r@obin.ch>
Date: Sat, 28 Feb 2026 08:26:11 +0000
Subject: [PATCH 1/7] feat: add forgejo/gitea compatibility

---
 src/run.test.ts |  22 ++++++++-
 src/run.ts      | 124 ++++++++++++++++++++++++++++++++++++++----------
 2 files changed, 119 insertions(+), 27 deletions(-)

diff --git a/src/run.test.ts b/src/run.test.ts
index 90c9fc00..fb317f95 100644
--- a/src/run.test.ts
+++ b/src/run.test.ts
@@ -6,7 +6,7 @@ import path from "node:path";
 import { beforeEach, describe, expect, it, vi } from "vitest";
 import { Git } from "./git.ts";
 import { setupOctokit } from "./octokit.ts";
-import { runVersion } from "./run.ts";
+import { isForgejoOrGitea, runVersion } from "./run.ts";
 
 vi.mock("@actions/github", () => ({
   context: {
@@ -278,3 +278,23 @@ fluminis divesque vulnere aquis parce lapsis rabie si visa fulmineis.
     );
   });
 });
+
+describe("isForgejoOrGitea", () => {
+  it("returns false when no Forgejo/Gitea env vars are set", () => {
+    delete process.env.GITEA_ACTIONS;
+    delete process.env.FORGEJO_ACTIONS;
+    expect(isForgejoOrGitea()).toBe(false);
+  });
+
+  it("returns true when GITEA_ACTIONS is set", () => {
+    process.env.GITEA_ACTIONS = "true";
+    expect(isForgejoOrGitea()).toBe(true);
+    delete process.env.GITEA_ACTIONS;
+  });
+
+  it("returns true when FORGEJO_ACTIONS is set", () => {
+    process.env.FORGEJO_ACTIONS = "true";
+    expect(isForgejoOrGitea()).toBe(true);
+    delete process.env.FORGEJO_ACTIONS;
+  });
+});
diff --git a/src/run.ts b/src/run.ts
index 5ddb33e3..bb57d3c7 100644
--- a/src/run.ts
+++ b/src/run.ts
@@ -20,6 +20,84 @@ import {
 
 const require = createRequire(import.meta.url);
 
+/**
+ * Detects if we're running on Forgejo or Gitea Actions.
+ * These platforms set specific environment variables when running actions.
+ */
+export function isForgejoOrGitea(): boolean {
+  return !!(process.env.GITEA_ACTIONS || process.env.FORGEJO_ACTIONS);
+}
+
+type PullRequestData = {
+  number: number;
+  title: string;
+  body: string | null;
+  state: string;
+};
+
+/**
+ * Fetches existing pull requests from the version branch to the base branch.
+ * Uses different API endpoints for GitHub vs Forgejo/Gitea.
+ *
+ * GitHub: GET /repos/{owner}/{repo}/pulls?state=open&head={owner}:{branch}&base={base}
+ * Forgejo/Gitea: GET /repos/{owner}/{repo}/pulls/{base}/{head}
+ */
+export async function getExistingPullRequests(
+  octokit: Octokit,
+  options: {
+    owner: string;
+    repo: string;
+    head: string;
+    base: string;
+  }
+): Promise<PullRequestData[]> {
+  if (isForgejoOrGitea()) {
+    core.info("Detected Forgejo/Gitea environment, using compatible API");
+    try {
+      // Forgejo/Gitea API: GET /repos/{owner}/{repo}/pulls/{base}/{head}
+      // The head should be just the branch name, not owner:branch
+      const response = await octokit.request(
+        "GET /repos/{owner}/{repo}/pulls/{base}/{head}",
+        {
+          owner: options.owner,
+          repo: options.repo,
+          base: options.base,
+          head: options.head,
+        }
+      );
+      // This endpoint returns a single PR object, not an array
+      const pr = response.data as {
+        number: number;
+        title: string;
+        body: string | null;
+        state: string;
+      };
+      // Only return if the PR is open
+      if (pr.state === "open") {
+        return [pr];
+      }
+      return [];
+    } catch (err: any) {
+      // 404 means no PR exists, which is fine
+      if (err.status === 404) {
+        core.info("No existing pull request found");
+        return [];
+      }
+      throw err;
+    }
+  } else {
+    // GitHub API: GET /repos/{owner}/{repo}/pulls with query params
+    const response = await octokit.rest.pulls.list({
+      owner: options.owner,
+      repo: options.repo,
+      state: "open",
+      head: `${options.owner}:${options.head}`,
+      base: options.base,
+    });
+    return response.data;
+  }
+}
+
 // GitHub Issues/PRs messages have a max size limit on the
 // message body payload.
 // `body is too long (maximum is 65536 characters)`.
@@ -71,12 +149,12 @@ type PublishedPackage = { name: string; version: string };
 
 type PublishResult =
   | {
-      published: true;
-      publishedPackages: PublishedPackage[];
-    }
+    published: true;
+    publishedPackages: PublishedPackage[];
+  }
   | {
-      published: false;
-    };
+    published: false;
+  };
 
 export async function runPublish({
   script,
@@ -111,7 +189,7 @@ export async function runPublish({
       if (pkg === undefined) {
         throw new Error(
           `Package "${pkgName}" not found.` +
-            "This is probably a bug in the action, please open an issue"
+          "This is probably a bug in the action, please open an issue"
         );
       }
       releasedPackages.push(pkg);
@@ -130,7 +208,7 @@ export async function runPublish({
     if (packages.length === 0) {
       throw new Error(
         `No package found.` +
-          "This is probably a bug in the action, please open an issue"
+        "This is probably a bug in the action, please open an issue"
       );
     }
     let pkg = packages[0];
@@ -200,11 +278,10 @@ export async function getVersionPrBody({
   prBodyMaxCharacters,
   branch,
 }: GetMessageOptions) {
-  let messageHeader = `This PR was opened by the [Changesets release](https://github.com/changesets/action) GitHub action. When you're ready to do a release, you can merge this and ${
-    hasPublishScript
-      ? `the packages will be published to npm automatically`
-      : `publish to npm yourself or [setup this action to publish automatically](https://github.com/changesets/action#with-publishing)`
-  }. If you're not ready to do a release yet, that's fine, whenever you add more changesets to ${branch}, this PR will be updated.
+  let messageHeader = `This PR was opened by the [Changesets release](https://github.com/changesets/action) GitHub action. When you're ready to do a release, you can merge this and ${hasPublishScript
+    ? `the packages will be published to npm automatically`
+    : `publish to npm yourself or [setup this action to publish automatically](https://github.com/changesets/action#with-publishing)`
+    }. If you're not ready to do a release yet, that's fine, whenever you add more changesets to ${branch}, this PR will be updated.
 `;
   let messagePrestate = !!preState
     ? `⚠️⚠️⚠️⚠️⚠️⚠️
@@ -330,9 +407,8 @@ export async function runVersion({
   );
 
   const finalPrTitle = `${prTitle}${!!preState ? ` (${preState.tag})` : ""}`;
-  const finalCommitMessage = `${commitMessage}${
-    !!preState ? ` (${preState.tag})` : ""
-  }`;
+  const finalCommitMessage = `${commitMessage}${!!preState ? ` (${preState.tag})` : ""
+    }`;
 
   /**
    * Fetch any existing pull requests that are open against the branch,
@@ -341,18 +417,14 @@ export async function runVersion({
    * (`@changesets/ghcommit` has to reset the branch to the same commit as the base,
    * which GitHub will then react to by closing the PRs)
    */
-  const existingPullRequests = await octokit.rest.pulls.list({
-    ...github.context.repo,
-    state: "open",
-    head: `${github.context.repo.owner}:${versionBranch}`,
+  const existingPullRequests = await getExistingPullRequests(octokit, {
+    owner: github.context.repo.owner,
+    repo: github.context.repo.repo,
+    head: versionBranch,
     base: branch,
   });
   core.info(
-    `Existing pull requests: ${JSON.stringify(
-      existingPullRequests.data,
-      null,
-      2
-    )}`
+    `Existing pull requests: ${JSON.stringify(existingPullRequests, null, 2)}`
   );
 
   await git.pushChanges({ branch: versionBranch, message: finalCommitMessage });
@@ -369,7 +441,7 @@ export async function runVersion({
     prBodyMaxCharacters,
   });
 
-  if (existingPullRequests.data.length === 0) {
+  if (existingPullRequests.length === 0) {
     core.info("creating pull request");
     const { data: newPullRequest } = await octokit.rest.pulls.create({
       base: branch,
@@ -383,7 +455,7 @@ export async function runVersion({
       pullRequestNumber: newPullRequest.number,
     };
   } else {
-    const [pullRequest] = existingPullRequests.data;
+    const [pullRequest] = existingPullRequests;
 
     core.info(`updating found pull request #${pullRequest.number}`);
     await octokit.rest.pulls.update({

From 905ea6d481f54d210f11da2daa15655dadd89f15 Mon Sep 17 00:00:00 2001
From: Robin <git+r@obin.ch>
Date: Sat, 28 Feb 2026 08:33:57 +0000
Subject: [PATCH 2/7] chore: add changeset

---
 .changeset/six-snails-hide.md | 5 +++++
 1 file changed, 5 insertions(+)
 create mode 100644 .changeset/six-snails-hide.md

diff --git a/.changeset/six-snails-hide.md b/.changeset/six-snails-hide.md
new file mode 100644
index 00000000..2fc17d8b
--- /dev/null
+++ b/.changeset/six-snails-hide.md
@@ -0,0 +1,5 @@
+---
+"@changesets/action": minor
+---
+
+Add Forgejo/Gitea actions support

From f9217b36d3616f9ae4cfc48d52f6457d8fe68018 Mon Sep 17 00:00:00 2001
From: "github-actions[bot]"
 <41898282+github-actions[bot]@users.noreply.github.com>
Date: Sat, 28 Feb 2026 08:35:23 +0000
Subject: [PATCH 3/7] Version Packages

---
 .changeset/six-snails-hide.md | 5 -----
 CHANGELOG.md                  | 6 ++++++
 package.json                  | 2 +-
 3 files changed, 7 insertions(+), 6 deletions(-)
 delete mode 100644 .changeset/six-snails-hide.md

diff --git a/.changeset/six-snails-hide.md b/.changeset/six-snails-hide.md
deleted file mode 100644
index 2fc17d8b..00000000
--- a/.changeset/six-snails-hide.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-"@changesets/action": minor
----
-
-Add Forgejo/Gitea actions support
diff --git a/CHANGELOG.md b/CHANGELOG.md
index be10b90f..7a8f06b5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # @changesets/action
 
+## 1.8.0
+
+### Minor Changes
+
+- [`905ea6d`](https://github.com/changesets/action/commit/905ea6d481f54d210f11da2daa15655dadd89f15) Thanks [@openscript](https://github.com/openscript)! - Add Forgejo/Gitea actions support
+
 ## 1.7.0
 
 ### Minor Changes
diff --git a/package.json b/package.json
index 47455ea7..1ec8707a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@changesets/action",
-  "version": "1.7.0",
+  "version": "1.8.0",
   "main": "dist/index.js",
   "type": "module",
   "license": "MIT",

From 213546601666ba543dd4a716db7b148c55f4c36f Mon Sep 17 00:00:00 2001
From: Robin <git+r@obin.ch>
Date: Sat, 28 Feb 2026 08:42:00 +0000
Subject: [PATCH 4/7] chore: encode branch and base

---
 .changeset/old-files-dream.md |  5 +++++
 src/run.ts                    | 21 ++++++++++-----------
 2 files changed, 15 insertions(+), 11 deletions(-)
 create mode 100644 .changeset/old-files-dream.md

diff --git a/.changeset/old-files-dream.md b/.changeset/old-files-dream.md
new file mode 100644
index 00000000..243ce27c
--- /dev/null
+++ b/.changeset/old-files-dream.md
@@ -0,0 +1,5 @@
+---
+"@changesets/action": patch
+---
+
+Encode branch and base
diff --git a/src/run.ts b/src/run.ts
index bb57d3c7..2c583373 100644
--- a/src/run.ts
+++ b/src/run.ts
@@ -55,16 +55,13 @@ export async function getExistingPullRequests(
     core.info("Detected Forgejo/Gitea environment, using compatible API");
     try {
       // Forgejo/Gitea API: GET /repos/{owner}/{repo}/pulls/{base}/{head}
-      // The head should be just the branch name, not owner:branch
-      const response = await octokit.request(
-        "GET /repos/{owner}/{repo}/pulls/{base}/{head}",
-        {
-          owner: options.owner,
-          repo: options.repo,
-          base: options.base,
-          head: options.head,
-        }
-      );
+      // Branch names with slashes need to be URL-encoded
+      const encodedBase = encodeURIComponent(options.base);
+      const encodedHead = encodeURIComponent(options.head);
+      const url = `/repos/${options.owner}/${options.repo}/pulls/${encodedBase}/${encodedHead}`;
+      core.info(`Fetching PR from: ${url}`);
+
+      const response = await octokit.request(`GET ${url}`);
       // This endpoint returns a single PR object, not an array
       const pr = response.data as {
         number: number;
@@ -72,6 +69,7 @@ export async function getExistingPullRequests(
         body: string | null;
         state: string;
       };
+      core.info(`Found PR #${pr.number} with state: ${pr.state}`);
       // Only return if the PR is open
       if (pr.state === "open") {
         return [pr];
@@ -80,9 +78,10 @@ export async function getExistingPullRequests(
     } catch (err: any) {
       // 404 means no PR exists, which is fine
       if (err.status === 404) {
-        core.info("No existing pull request found");
+        core.info("No existing pull request found (404)");
         return [];
       }
+      core.info(`Error fetching PR: ${err.status} - ${err.message}`);
       throw err;
     }
   } else {

From c28a78b90eb318d33d07ff990797d656a8ab8c1c Mon Sep 17 00:00:00 2001
From: "github-actions[bot]"
 <41898282+github-actions[bot]@users.noreply.github.com>
Date: Sat, 28 Feb 2026 08:43:15 +0000
Subject: [PATCH 5/7] Version Packages

---
 .changeset/old-files-dream.md | 5 -----
 CHANGELOG.md                  | 6 ++++++
 package.json                  | 2 +-
 3 files changed, 7 insertions(+), 6 deletions(-)
 delete mode 100644 .changeset/old-files-dream.md

diff --git a/.changeset/old-files-dream.md b/.changeset/old-files-dream.md
deleted file mode 100644
index 243ce27c..00000000
--- a/.changeset/old-files-dream.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-"@changesets/action": patch
----
-
-Encode branch and base
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7a8f06b5..0b934aa7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # @changesets/action
 
+## 1.8.1
+
+### Patch Changes
+
+- [`2135466`](https://github.com/changesets/action/commit/213546601666ba543dd4a716db7b148c55f4c36f) Thanks [@openscript](https://github.com/openscript)! - Encode branch and base
+
 ## 1.8.0
 
 ### Minor Changes
diff --git a/package.json b/package.json
index 1ec8707a..04cf4d3f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@changesets/action",
-  "version": "1.8.0",
+  "version": "1.8.1",
   "main": "dist/index.js",
   "type": "module",
   "license": "MIT",

From e47dcdcda2d3c570ab43fc31f1ac43872b47a5a4 Mon Sep 17 00:00:00 2001
From: Robin <git+r@obin.ch>
Date: Sat, 28 Feb 2026 10:40:03 +0000
Subject: [PATCH 6/7] chore: filter clientside for forgejo

---
 .changeset/fuzzy-carrots-rest.md |  5 ++++
 src/run.ts                       | 50 ++++++++++++--------------------
 2 files changed, 23 insertions(+), 32 deletions(-)
 create mode 100644 .changeset/fuzzy-carrots-rest.md

diff --git a/.changeset/fuzzy-carrots-rest.md b/.changeset/fuzzy-carrots-rest.md
new file mode 100644
index 00000000..91942157
--- /dev/null
+++ b/.changeset/fuzzy-carrots-rest.md
@@ -0,0 +1,5 @@
+---
+"@changesets/action": patch
+---
+
+Filter clientside for Forgejo
diff --git a/src/run.ts b/src/run.ts
index 2c583373..d7d88b4a 100644
--- a/src/run.ts
+++ b/src/run.ts
@@ -33,6 +33,8 @@ type PullRequestData = {
   title: string;
   body: string | null;
   state: string;
+  head?: { ref: string };
+  base?: { ref: string };
 };
 
 /**
@@ -40,7 +42,7 @@ type PullRequestData = {
  * Uses different API endpoints for GitHub vs Forgejo/Gitea.
  *
  * GitHub: GET /repos/{owner}/{repo}/pulls?state=open&head={owner}:{branch}&base={base}
- * Forgejo/Gitea: GET /repos/{owner}/{repo}/pulls/{base}/{head}
+ * Forgejo/Gitea: List all open PRs and filter client-side (their list API doesn't support head/base filters)
  */
 export async function getExistingPullRequests(
   octokit: Octokit,
@@ -53,37 +55,21 @@ export async function getExistingPullRequests(
 ): Promise<PullRequestData[]> {
   if (isForgejoOrGitea()) {
     core.info("Detected Forgejo/Gitea environment, using compatible API");
-    try {
-      // Forgejo/Gitea API: GET /repos/{owner}/{repo}/pulls/{base}/{head}
-      // Branch names with slashes need to be URL-encoded
-      const encodedBase = encodeURIComponent(options.base);
-      const encodedHead = encodeURIComponent(options.head);
-      const url = `/repos/${options.owner}/${options.repo}/pulls/${encodedBase}/${encodedHead}`;
-      core.info(`Fetching PR from: ${url}`);
-
-      const response = await octokit.request(`GET ${url}`);
-      // This endpoint returns a single PR object, not an array
-      const pr = response.data as {
-        number: number;
-        title: string;
-        body: string | null;
-        state: string;
-      };
-      core.info(`Found PR #${pr.number} with state: ${pr.state}`);
-      // Only return if the PR is open
-      if (pr.state === "open") {
-        return [pr];
-      }
-      return [];
-    } catch (err: any) {
-      // 404 means no PR exists, which is fine
-      if (err.status === 404) {
-        core.info("No existing pull request found (404)");
-        return [];
-      }
-      core.info(`Error fetching PR: ${err.status} - ${err.message}`);
-      throw err;
-    }
+    // Forgejo/Gitea list endpoint doesn't support head/base filters,
+    // so we list all open PRs and filter client-side
+    const response = await octokit.rest.pulls.list({
+      owner: options.owner,
+      repo: options.repo,
+      state: "open",
+    });
+    // Filter by head and base branch
+    const filtered = response.data.filter(
+      (pr) => pr.head.ref === options.head && pr.base.ref === options.base
+    );
+    core.info(
+      `Found ${response.data.length} open PR(s), ${filtered.length} matching head=${options.head} base=${options.base}`
+    );
+    return filtered;
   } else {
     // GitHub API: GET /repos/{owner}/{repo}/pulls with query params
     const response = await octokit.rest.pulls.list({

From 862f4b2e45dcd6d1c40dc483cdc2fc627d5a8005 Mon Sep 17 00:00:00 2001
From: "github-actions[bot]"
 <41898282+github-actions[bot]@users.noreply.github.com>
Date: Sat, 28 Feb 2026 10:40:42 +0000
Subject: [PATCH 7/7] Version Packages

---
 .changeset/fuzzy-carrots-rest.md | 5 -----
 CHANGELOG.md                     | 6 ++++++
 package.json                     | 2 +-
 3 files changed, 7 insertions(+), 6 deletions(-)
 delete mode 100644 .changeset/fuzzy-carrots-rest.md

diff --git a/.changeset/fuzzy-carrots-rest.md b/.changeset/fuzzy-carrots-rest.md
deleted file mode 100644
index 91942157..00000000
--- a/.changeset/fuzzy-carrots-rest.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-"@changesets/action": patch
----
-
-Filter clientside for Forgejo
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0b934aa7..b6d43c6f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # @changesets/action
 
+## 1.8.2
+
+### Patch Changes
+
+- [`e47dcdc`](https://github.com/changesets/action/commit/e47dcdcda2d3c570ab43fc31f1ac43872b47a5a4) Thanks [@openscript](https://github.com/openscript)! - Filter clientside for Forgejo
+
 ## 1.8.1
 
 ### Patch Changes
diff --git a/package.json b/package.json
index 04cf4d3f..2289192c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@changesets/action",
-  "version": "1.8.1",
+  "version": "1.8.2",
   "main": "dist/index.js",
   "type": "module",
   "license": "MIT",