chore: update Go toolchain and Nix configuration

.github/workflows/lint.yaml

@@ -16,7 +16,7 @@ jobs:
       - uses: actions/checkout@v7
       - uses: actions/setup-go@v7
         with:
-          go-version: 1.26.5
+          go-version-file: go.mod
       - name: go fix
         run: |
           go fix ./...

.github/workflows/release.yaml

@@ -88,12 +88,12 @@ jobs:
         run: |
           echo "VERSION=$(git describe --tags --always)" >> $GITHUB_ENV
           echo "GIT_COMMIT=$(git rev-parse HEAD)" >> $GITHUB_ENV
-          echo "GO_VERSION=1.26.5" >> $GITHUB_ENV
+          echo "GO_VERSION=$(sed -n 's/^go //p' go.mod)" >> $GITHUB_ENV
 
       - name: Set up Go
         uses: actions/setup-go@v7
         with:
-          go-version: ${{ env.GO_VERSION }}
+          go-version-file: go.mod
           cache: true
 
       - name: Build binaries

Dockerfile

@@ -1,4 +1,4 @@
-ARG GO_VERSION=1.26.5
+ARG GO_VERSION=1.26.7
 
 FROM docker.io/library/golang:${GO_VERSION}-alpine AS builder
 

README.md

@@ -96,7 +96,7 @@ Download the latest binaries from the [releases](https://github.com/aykhans/sari
 <details>
 <summary><b>Building from Source</b></summary>
 
-Requires [Go 1.26+](https://golang.org/dl/).
+Requires the [Go version declared in `go.mod`](go.mod).
 
 ```sh
 git clone https://github.com/aykhans/sarin.git && cd sarin

Taskfile.yaml

@@ -3,6 +3,8 @@ version: "3"
 
 vars:
   BIN_DIR: ./bin
+  GO_VERSION:
+    sh: sed -n 's/^go //p' go.mod
   GOLANGCI_LINT_VERSION: v2.13.2
   GOLANGCI: "{{.BIN_DIR}}/golangci-lint-{{.GOLANGCI_LINT_VERSION}}"
 
@@ -87,7 +89,6 @@ tasks:
     vars:
       IMAGE_NAME: '{{.IMAGE_NAME | default "sarin"}}'
       TAG: '{{.TAG | default "latest"}}'
-      GO_VERSION: '{{.GO_VERSION | default ""}}'
       VERSION:
         sh: git describe --tags --always
       GIT_COMMIT:
@@ -95,7 +96,7 @@ tasks:
     cmds:
       - >-
         docker build
-        {{if .GO_VERSION}}--build-arg GO_VERSION={{.GO_VERSION}}{{end}}
+        --build-arg GO_VERSION={{.GO_VERSION}}
         --build-arg VERSION={{.VERSION}}
         --build-arg GIT_COMMIT={{.GIT_COMMIT}}
         -t {{.IMAGE_NAME}}:{{.TAG}}

flake.lock

@@ -2,11 +2,11 @@
   "nodes": {
     "nixpkgs": {
       "locked": {
-        "lastModified": 1784796856,
-        "narHash": "sha256-wWFrV5/Qbm+lyt5x20E/bSbfJiGKMo4RCxZV8cl/WZI=",
+        "lastModified": 1788316716,
+        "narHash": "sha256-bc7rSpXIdn9QWGNqfWcPZWOhEVF8NoeAZkWq0XWnf/k=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "e2587caef70cea85dd97d7daab492899902dbf5d",
+        "rev": "3ed67ec0a4d3c7ab4ae1f04f8ee8df07bfa506a2",
         "type": "github"
       },
       "original": {

flake.nix

@@ -36,7 +36,7 @@
       apps = forAllSystems (pkgs: {
         default = {
           type = "app";
-          program = "${self.packages.${pkgs.system}.default}/bin/sarin";
+          program = "${self.packages.${pkgs.stdenv.hostPlatform.system}.default}/bin/sarin";
           meta.description = "High-performance HTTP load testing tool";
         };
       });

go.mod

@@ -1,6 +1,6 @@
 module go.aykhans.me/sarin
 
-go 1.26.5
+go 1.26.7
 
 require (
 	charm.land/bubbles/v2 v2.2.1