Drop support for .bufversion file

Removes support for `.bufversion` file in the version resolution.

README.md

@@ -140,7 +140,6 @@ To ensure the version of `buf` is consistent across workflows it's recommended t
 
 If no version is specified in the workflow config, the action will resolve the version in order of precendence:
 - A version specified in the environment variable `${BUF_VERSION}`.
-- A version specified in a file named `.bufversion` in the current working directory.
 - The version of `buf` that is already installed on the runner (if it exists)
 - The latest version of the `buf` binary from the official releases on GitHub.
 

dist/index.js

@@ -37571,8 +37571,6 @@ function getEnv(name) {
     return (process.env[name.toLowerCase()] ?? process.env[name.toUpperCase()] ?? "");
 }
 
-// EXTERNAL MODULE: external "fs"
-var external_fs_ = __nccwpck_require__(7147);
 // EXTERNAL MODULE: ./node_modules/@actions/tool-cache/lib/tool-cache.js
 var tool_cache = __nccwpck_require__(7784);
 // EXTERNAL MODULE: ./node_modules/semver/index.js
@@ -37596,7 +37594,6 @@ var semver = __nccwpck_require__(1383);
 
 
 
-
 const requiredVersion = ">=1.32.0";
 // installBuf installs the buf binary and returns the path to the binary.
 async function installBuf(github, versionInput) {
@@ -37644,7 +37641,7 @@ async function installBuf(github, versionInput) {
     core.info(`Setup buf (${resolvedVersion}) at ${cachePath}`);
     return binName;
 }
-// resolveVersion from the input, environment, or .bufversion file.
+// resolveVersion from the input or environment.
 function resolveVersion(versionSpec) {
     if (versionSpec) {
         core.info(`Using the version of buf from the input: ${versionSpec}`);
@@ -37655,11 +37652,6 @@ function resolveVersion(versionSpec) {
         core.info(`Using the version of buf from $BUF_VERSION: ${resolvedVersion}`);
         return resolvedVersion;
     }
-    else if (external_fs_.existsSync(".bufversion")) {
-        const resolvedVersion = external_fs_.readFileSync(".bufversion", "utf8").trim();
-        core.info(`Using the version of buf from the .bufversion file: ${resolvedVersion}`);
-        return resolvedVersion;
-    }
     return "";
 }
 // latestVersion returns the latest version of buf from GitHub releases.

examples/README.md

@@ -19,6 +19,5 @@ This directory contains examples of how to use the `buf` GitHub Action.
 - [validate-push.yaml](./validate-push.yaml): Validate checks before pushing to the repository.
 
 - [version-env.yaml](./version-env.yaml): Resolve the `buf` version from an environment variable (`BUF_VERSION`).
-- [version-file.yaml](./version-file.yaml): Resolve the `buf` version from a file (`.bufversion`).
 - [version-input.yaml](./version-input.yaml): Resolve the `buf` version from an action input (`version`).
 - [version-latest.yaml](./version-latest.yaml): Use the latest `buf` version.

src/installer.ts

@@ -12,7 +12,6 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-import * as fs from "fs";
 import * as core from "@actions/core";
 import * as exec from "@actions/exec";
 import * as tc from "@actions/tool-cache";
@@ -87,7 +86,7 @@ export async function installBuf(
   return binName;
 }
 
-// resolveVersion from the input, environment, or .bufversion file.
+// resolveVersion from the input or environment.
 function resolveVersion(versionSpec: string): string {
   if (versionSpec) {
     core.info(`Using the version of buf from the input: ${versionSpec}`);
@@ -96,12 +95,6 @@ function resolveVersion(versionSpec: string): string {
     const resolvedVersion = getEnv("BUF_VERSION");
     core.info(`Using the version of buf from $BUF_VERSION: ${resolvedVersion}`);
     return resolvedVersion;
-  } else if (fs.existsSync(".bufversion")) {
-    const resolvedVersion = fs.readFileSync(".bufversion", "utf8").trim();
-    core.info(
-      `Using the version of buf from the .bufversion file: ${resolvedVersion}`,
-    );
-    return resolvedVersion;
   }
   return "";
 }