initial commit

2026-03-29 21:49:11 +00:00 · 2025-06-19 16:48:22 +01:00 · 2025-06-19 16:48:22 +01:00 · e622234993
commit e622234993
17 changed files with 738 additions and 0 deletions
--- a/.github/workflows/golang-ci.yml
+++ b/.github/workflows/golang-ci.yml
@ -0,0 +1,29 @@
+name: CI
+
+on:
+  push:
+    branches: [ "main" ]
+    paths:
+      - '**.go'
+  pull_request:
+    branches: [ "main" ]
+    paths:
+      - '**.go'
+jobs:
+  lint:
+    name: Lint
+    runs-on: ubuntu-latest
+    if: github.event_name == 'pull_request'
+    timeout-minutes: 3
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 1
+      - name: Setup Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: '1.24'
+      - name: Install golangci-lint
+        run: go install github.com/golangci/golangci-lint/cmd/golangci-lint@latest
+      - name: Run golangci-lint
+        run: golangci-lint run ./...
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@ -0,0 +1,31 @@
+name: goreleaser
+
+on:
+  push:
+    tags:
+      - 'v*' # Push events to matching v*, i.e. v1.0, v20.15.10
+
+permissions:
+  contents: write
+
+jobs:
+  goreleaser:
+    runs-on: ubuntu-latest
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      -
+        name: Set up Go
+        uses: actions/setup-go@v5
+      -
+        name: Run GoReleaser
+        uses: goreleaser/goreleaser-action@v6
+        with:
+          distribution: goreleaser
+          version: '~> v2'
+          args: release --clean
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
--- a/.github/workflows/update-go-modules.yml
+++ b/.github/workflows/update-go-modules.yml
@ -0,0 +1,30 @@
+name: Auto-Update Go Modules
+
+on:
+  schedule:
+    - cron: "0 0 * * 1" # Runs every Monday at midnight
+
+jobs:
+  update-go-modules:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+
+    steps:
+      - name: Checkout Code
+        uses: actions/checkout@v4
+
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: stable
+
+      - name: Update Dependencies
+        run: |
+          go get -u ./...
+          go mod tidy
+          git config user.name "github-actions[bot]"
+          git config user.email "github-actions[bot]@users.noreply.github.com"
+          git add go.mod go.sum
+          git commit -m "chore: auto-update Go modules"
+          git push
--- a/.gitignore
+++ b/.gitignore
@ -0,0 +1,29 @@
+# Generated by gogn: github.com/onyx-and-iris/gogn
+
+### Go ###
+# If you prefer the allow list template instead of the deny list, see community template:
+# https://github.com/github/gitignore/blob/main/community/Golang/Go.AllowList.gitignore
+#
+# Binaries for programs and plugins
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+bin/
+
+# Test binary, built with `go test -c`
+*.test
+
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
+
+# Dependency directories (remove the comment below to include it)
+# vendor/
+
+# Go workspace file
+go.work
+
+# End of gogn
+
+.envrc
--- a/.golangci.yml
+++ b/.golangci.yml
@ -0,0 +1,54 @@
+run:
+  # timeout for analysis, e.g. 30s, 3m, default is 1m
+  timeout: 3m
+  # exclude test files
+  tests: true
+
+linters:
+  # Set to true runs only fast linters.
+  # Good option for 'lint on save', pre-commit hook or CI.
+  fast: true
+
+  disable-all: true
+
+  enable:
+    - gosimple
+    - govet
+    - ineffassign
+    - staticcheck
+    - unused
+    - gofmt
+    - gofumpt
+    - misspell
+    - unparam
+    - gosec
+    - asciicheck
+    - errname
+    - gci
+    - godot
+    - goimports
+    - revive
+
+linters-settings:
+  gofmt:
+    rewrite-rules:
+      - pattern: 'interface{}'
+        replacement: 'any'
+      - pattern: 'a[b:len(a)]'
+        replacement: 'a[b:]'
+
+  misspell:
+    locale: UK
+
+  errcheck:
+    check-type-assertions: true
+
+issues:
+  max-same-issues: 0
+  max-issues-per-linter: 0
+  exclude-use-default: false
+  exclude:
+    # gosec: Duplicated errcheck checks
+    - G104
+    # gosec: integer overflow conversion int -> uint32
+    - G115
--- a/.goreleaser.yaml
+++ b/.goreleaser.yaml
@ -0,0 +1,53 @@
+# This is an example .goreleaser.yml file with some sensible defaults.
+# Make sure to check the documentation at https://goreleaser.com
+
+# The lines below are called `modelines`. See `:help modeline`
+# Feel free to remove those if you don't want/need to use them.
+# yaml-language-server: $schema=https://goreleaser.com/static/schema.json
+# vim: set ts=2 sw=2 tw=0 fo=cnqoj
+
+version: 2
+
+before:
+  hooks:
+    # You may remove this if you don't use go modules.
+    - go mod tidy
+    # you may remove this if you don't need go generate
+    - go generate ./...
+
+builds:
+  - env:
+      - CGO_ENABLED=0
+    goos:
+      - linux
+      - windows
+      - darwin
+
+archives:
+  - formats: ['tar.gz']
+    # this name template makes the OS and Arch compatible with the results of `uname`.
+    name_template: >-
+      {{ .ProjectName }}_
+      {{- title .Os }}_
+      {{- if eq .Arch "amd64" }}x86_64
+      {{- else if eq .Arch "386" }}i386
+      {{- else }}{{ .Arch }}{{ end }}
+      {{- if .Arm }}v{{ .Arm }}{{ end }}
+    # use zip for windows archives
+    format_overrides:
+      - goos: windows
+        formats: ['zip']
+
+changelog:
+  sort: asc
+  filters:
+    exclude:
+      - '^docs:'
+      - '^test:'
+
+release:
+  footer: >-
+
+    ---
+
+    Released by [GoReleaser](https://github.com/goreleaser/goreleaser).
--- a/21
+++ b/21
@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright © 2025 onyx-and-iris <code@onyxandiris.online>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
--- a/README.md
+++ b/README.md
@ -0,0 +1,56 @@
+![Windows](https://img.shields.io/badge/Windows-0078D6?style=for-the-badge&logo=windows&logoColor=white)
+![Linux](https://img.shields.io/badge/Linux-FCC624?style=for-the-badge&logo=linux&logoColor=black)
+![macOS](https://img.shields.io/badge/mac%20os-000000?style=for-the-badge&logo=macos&logoColor=F0F0F0)
+
+# gogn
+
+Simple no-frills .gitignore generator backed by [gitignore.io][gitignoreio].
+
+![Selection Prompt](./img/selectionprompt.png)
+
+## Install
+
+```console
+go install github.com/onyx-and-iris/gogn@latest
+```
+
+## Configuration
+
+*flags*
+
+-   --height/-H: Height of the selection prompt (default 10)
+-   --filter/-f: Type of filter to apply to the list of templates (default startswith)
+    -   may be one of (startswith, contains)
+-   --start-search/-s: Start the prompt in search mode (default false)
+
+*environment variables*
+
+```bash
+#!/usr/bin/env bash
+
+export GOGN_HEIGHT=10
+export GOGN_FILTER=startswith
+export GOGN_START_SEARCH=false
+```
+
+## Commands
+
+### New
+
+Trigger the selection prompt.
+
+```console
+gogn new
+```
+
+Search mode can be activated by pressing `/`:
+
+![Prompt Filter](./img/promptfilter.png)
+
+## Special Thanks
+
+-   [spf13](https://github.com/spf13) for the [cobra](https://github.com/spf13/cobra) and [viper](https://github.com/spf13/viper) packages.
+-   [Manifold](https://github.com/manifoldco) for the [promptui](https://github.com/manifoldco/promptui) package.
+
+
+[gitignoreio]: https://www.toptal.com/developers/gitignore
--- a/Taskfile.yaml
+++ b/Taskfile.yaml
@ -0,0 +1,57 @@
+version: '3'
+
+vars:
+  PROGRAM: gogn
+  SHELL: '{{if eq .OS "Windows_NT"}}powershell{{end}}'
+  BIN_DIR: bin
+
+  WINDOWS: '{{.BIN_DIR}}/{{.PROGRAM}}_windows_amd64.exe'
+  LINUX: '{{.BIN_DIR}}/{{.PROGRAM}}_linux_amd64'
+  GIT_COMMIT:
+    sh: git log -n 1 --format=%h
+
+tasks:
+  default:
+    desc: Build the gogn project
+    cmds:
+      - task: build
+
+  build:
+    desc: Build the gogn project
+    deps: [vet]
+    cmds:
+      - task: build-windows
+      - task: build-linux
+
+  vet:
+    desc: Vet the code
+    deps: [fmt]
+    cmds:
+      - go vet ./...
+
+  fmt:
+    desc: Fmt the code
+    cmds:
+      - go fmt ./...
+
+  build-windows:
+    desc: Build the gogn project for Windows
+    cmds:
+      - GOOS=windows GOARCH=amd64 go build -o {{.WINDOWS}} -ldflags="-X main.version={{.GIT_COMMIT}}"
+    internal: true
+
+  build-linux:
+    desc: Build the gogn project for Linux
+    cmds:
+      - GOOS=linux GOARCH=amd64 go build -o {{.LINUX}} -ldflags="-X main.version={{.GIT_COMMIT}}"
+    internal: true
+
+  test:
+    desc: Run tests
+    cmds:
+      - go test ./...
+
+  clean:
+    desc: Clean the build artifacts
+    cmds:
+      - '{{.SHELL}} rm -r {{.BIN_DIR}}'
--- a/context.go
+++ b/context.go
@ -0,0 +1,22 @@
+package main
+
+import (
+	"context"
+
+	"github.com/cuonglm/gogi"
+)
+
+type contextKey string
+
+var clientKey = contextKey("client")
+
+// WithClient adds a gogi HTTP client to the context.
+func WithClient(ctx context.Context, client *gogi.Client) context.Context {
+	return context.WithValue(ctx, clientKey, client)
+}
+
+// ClientFromContext retrieves the gogi client from the context.
+func ClientFromContext(ctx context.Context) (*gogi.Client, bool) {
+	client, ok := ctx.Value(clientKey).(*gogi.Client)
+	return client, ok
+}
--- a/filter.go
+++ b/filter.go
@ -0,0 +1,19 @@
+package main
+
+import (
+	"strings"
+)
+
+// filterFunc returns a function that filters templates based on the specified filter type.
+func filterFunc(templates []string, filterType string) func(input string, index int) bool {
+	switch filterType {
+	case "contains":
+		return func(input string, index int) bool {
+			return strings.Contains(strings.ToLower(templates[index]), strings.ToLower(input))
+		}
+	default:
+		return func(input string, index int) bool {
+			return strings.HasPrefix(strings.ToLower(templates[index]), strings.ToLower(input))
+		}
+	}
+}
--- a/go.mod
+++ b/go.mod
@ -0,0 +1,45 @@
+module github.com/onyx-and-iris/gogn
+
+go 1.24.3
+
+require (
+	github.com/charmbracelet/fang v0.1.0
+	github.com/cuonglm/gogi v1.0.1
+	github.com/manifoldco/promptui v0.9.0
+	github.com/spf13/cobra v1.9.1
+	github.com/spf13/viper v1.20.1
+)
+
+require (
+	github.com/charmbracelet/colorprofile v0.3.0 // indirect
+	github.com/charmbracelet/lipgloss/v2 v2.0.0-beta.1 // indirect
+	github.com/charmbracelet/x/ansi v0.8.0 // indirect
+	github.com/charmbracelet/x/cellbuf v0.0.13 // indirect
+	github.com/charmbracelet/x/exp/charmtone v0.0.0-20250603201427-c31516f43444 // indirect
+	github.com/charmbracelet/x/term v0.2.1 // indirect
+	github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e // indirect
+	github.com/fsnotify/fsnotify v1.8.0 // indirect
+	github.com/go-viper/mapstructure/v2 v2.2.1 // indirect
+	github.com/inconshreveable/mousetrap v1.1.0 // indirect
+	github.com/lucasb-eyer/go-colorful v1.2.0 // indirect
+	github.com/mattn/go-runewidth v0.0.16 // indirect
+	github.com/muesli/cancelreader v0.2.2 // indirect
+	github.com/muesli/mango v0.1.0 // indirect
+	github.com/muesli/mango-cobra v1.2.0 // indirect
+	github.com/muesli/mango-pflag v0.1.0 // indirect
+	github.com/muesli/roff v0.1.0 // indirect
+	github.com/pelletier/go-toml/v2 v2.2.3 // indirect
+	github.com/rivo/uniseg v0.4.7 // indirect
+	github.com/sagikazarmark/locafero v0.7.0 // indirect
+	github.com/sourcegraph/conc v0.3.0 // indirect
+	github.com/spf13/afero v1.12.0 // indirect
+	github.com/spf13/cast v1.7.1 // indirect
+	github.com/spf13/pflag v1.0.6 // indirect
+	github.com/subosito/gotenv v1.6.0 // indirect
+	github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e // indirect
+	go.uber.org/atomic v1.9.0 // indirect
+	go.uber.org/multierr v1.9.0 // indirect
+	golang.org/x/sys v0.31.0 // indirect
+	golang.org/x/text v0.24.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+)
--- a/go.sum
+++ b/go.sum
@ -0,0 +1,110 @@
+github.com/aymanbagabas/go-udiff v0.2.0 h1:TK0fH4MteXUDspT88n8CKzvK0X9O2xu9yQjWpi6yML8=
+github.com/aymanbagabas/go-udiff v0.2.0/go.mod h1:RE4Ex0qsGkTAJoQdQQCA0uG+nAzJO/pI/QwceO5fgrA=
+github.com/charmbracelet/colorprofile v0.3.0 h1:KtLh9uuu1RCt+Hml4s6Hz+kB1PfV3wi++1h5ia65yKQ=
+github.com/charmbracelet/colorprofile v0.3.0/go.mod h1:oHJ340RS2nmG1zRGPmhJKJ/jf4FPNNk0P39/wBPA1G0=
+github.com/charmbracelet/fang v0.1.0 h1:SlZS2crf3/zQh7Mr4+W+7QR1k+L08rrPX5rm5z3d7Wg=
+github.com/charmbracelet/fang v0.1.0/go.mod h1:Zl/zeUQ8EtQuGyiV0ZKZlZPDowKRTzu8s/367EpN/fc=
+github.com/charmbracelet/lipgloss/v2 v2.0.0-beta.1 h1:D9AJJuYTN5pvz6mpIGO1ijLKpfTYSHOtKGgwoTQ4Gog=
+github.com/charmbracelet/lipgloss/v2 v2.0.0-beta.1/go.mod h1:tRlx/Hu0lo/j9viunCN2H+Ze6JrmdjQlXUQvvArgaOc=
+github.com/charmbracelet/x/ansi v0.8.0 h1:9GTq3xq9caJW8ZrBTe0LIe2fvfLR/bYXKTx2llXn7xE=
+github.com/charmbracelet/x/ansi v0.8.0/go.mod h1:wdYl/ONOLHLIVmQaxbIYEC/cRKOQyjTkowiI4blgS9Q=
+github.com/charmbracelet/x/cellbuf v0.0.13 h1:/KBBKHuVRbq1lYx5BzEHBAFBP8VcQzJejZ/IA3iR28k=
+github.com/charmbracelet/x/cellbuf v0.0.13/go.mod h1:xe0nKWGd3eJgtqZRaN9RjMtK7xUYchjzPr7q6kcvCCs=
+github.com/charmbracelet/x/exp/charmtone v0.0.0-20250603201427-c31516f43444 h1:IJDiTgVE56gkAGfq0lBEloWgkXMk4hl/bmuPoicI4R0=
+github.com/charmbracelet/x/exp/charmtone v0.0.0-20250603201427-c31516f43444/go.mod h1:T9jr8CzFpjhFVHjNjKwbAD7KwBNyFnj2pntAO7F2zw0=
+github.com/charmbracelet/x/exp/golden v0.0.0-20240806155701-69247e0abc2a h1:G99klV19u0QnhiizODirwVksQB91TJKV/UaTnACcG30=
+github.com/charmbracelet/x/exp/golden v0.0.0-20240806155701-69247e0abc2a/go.mod h1:wDlXFlCrmJ8J+swcL/MnGUuYnqgQdW9rhSD61oNMb6U=
+github.com/charmbracelet/x/term v0.2.1 h1:AQeHeLZ1OqSXhrAWpYUtZyX1T3zVxfpZuEQMIQaGIAQ=
+github.com/charmbracelet/x/term v0.2.1/go.mod h1:oQ4enTYFV7QN4m0i9mzHrViD7TQKvNEEkHUMCmsxdUg=
+github.com/chzyer/logex v1.1.10 h1:Swpa1K6QvQznwJRcfTfQJmTE72DqScAa40E+fbHEXEE=
+github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
+github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e h1:fY5BOSpyZCqRo5OhCuC+XN+r/bBCmeuuJtjz+bCNIf8=
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--- a/img/promptfilter.png
+++ b/img/promptfilter.png
--- a/img/selectionprompt.png
+++ b/img/selectionprompt.png
--- a/main.go
+++ b/main.go
@ -0,0 +1,68 @@
+// Package main provides the root command for the gogn CLI application.
+package main
+
+import (
+	"context"
+	"fmt"
+	"os"
+	"runtime/debug"
+	"strings"
+
+	"github.com/charmbracelet/fang"
+	"github.com/cuonglm/gogi"
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+)
+
+var version string // Version of the CLI, set during build time
+
+// rootCmd represents the base command when called without any subcommands.
+var rootCmd = &cobra.Command{
+	Use:   "gogn",
+	Short: "A command-line interface for generating .gitignore files",
+	Long: `gogn is a command-line interface for generating .gitignore files.
+It allows users to easily create and manage .gitignore files for various programming languages and frameworks.
+You may also list available templates and generate .gitignore files based on those templates.`,
+	PersistentPreRunE: func(cmd *cobra.Command, _ []string) error {
+		client, err := gogi.NewHTTPClient()
+		if err != nil {
+			return fmt.Errorf("error creating HTTP client: %w", err)
+		}
+		cmd.SetContext(WithClient(cmd.Context(), client))
+		return nil
+	},
+}
+
+func init() {
+	rootCmd.PersistentFlags().IntP("height", "H", 10, "Height of the selection prompt")
+	rootCmd.PersistentFlags().
+		StringP("filter", "f", "startswith", "Type of filter to apply to the list of templates (e.g., 'startswith', 'contains')")
+	rootCmd.PersistentFlags().BoolP("start-search", "s", false, "Start the prompt in search mode")
+
+	viper.SetEnvKeyReplacer(strings.NewReplacer("-", "_"))
+	viper.SetEnvPrefix("GOGN")
+	viper.AutomaticEnv()
+	viper.BindPFlag("height", rootCmd.PersistentFlags().Lookup("height"))
+	viper.BindPFlag("filter", rootCmd.PersistentFlags().Lookup("filter"))
+	viper.BindPFlag("start-search", rootCmd.PersistentFlags().Lookup("start-search"))
+}
+
+// main is the entry point of the application.
+// It executes the root command and handles any errors.
+func main() {
+	if err := fang.Execute(context.Background(), rootCmd, fang.WithVersion(versionFromBuild())); err != nil {
+		os.Exit(1)
+	}
+}
+
+func versionFromBuild() string {
+	if version == "" {
+		info, ok := debug.ReadBuildInfo()
+		if !ok {
+			return "(unable to read version)"
+		}
+		version = strings.Split(info.Main.Version, "-")[0]
+	}
+
+	return version
+}
--- a/new.go
+++ b/new.go
@ -0,0 +1,114 @@
+package main
+
+import (
+	"fmt"
+	"io"
+	"maps"
+	"os"
+	"slices"
+
+	"github.com/cuonglm/gogi"
+	"github.com/manifoldco/promptui"
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+)
+
+const gitignoreFileName string = ".gitignore"
+
+// newCmd represents the new command.
+var newCmd = &cobra.Command{
+	Use:   "new",
+	Short: "Create a new .gitignore file",
+	RunE: func(cmd *cobra.Command, args []string) error {
+		return runNewCommand(cmd, args)
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(newCmd)
+}
+
+type promptConfig struct {
+	Height      int
+	StartSearch bool
+	FilterType  string
+}
+
+func runNewCommand(cmd *cobra.Command, _ []string) error {
+	pc := promptConfig{
+		Height:      viper.GetInt("height"),
+		StartSearch: viper.GetBool("start-search"),
+		FilterType:  viper.GetString("filter"),
+	}
+
+	client, ok := ClientFromContext(cmd.Context())
+	if !ok {
+		return fmt.Errorf("failed to retrieve gogi client from context")
+	}
+
+	content, err := runPrompt(client, &pc)
+	if err != nil {
+		return fmt.Errorf("failed to run prompt: %w", err)
+	}
+
+	f, err := os.OpenFile(gitignoreFileName, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0o600)
+	if err != nil {
+		return fmt.Errorf("error opening file '%s': %w", gitignoreFileName, err)
+	}
+	defer f.Close()
+
+	if err = commitGitignore(content, f); err != nil {
+		return fmt.Errorf("error committing gitignore file: %w", err)
+	}
+
+	return nil
+}
+
+// runPrompt is a helper function to run the selection prompt for .gitignore templates.
+func runPrompt(client *gogi.Client, pc *promptConfig) (string, error) {
+	data, err := client.ListJson()
+	if err != nil {
+		return "", fmt.Errorf("error retrieving gitignore templates: %w", err)
+	}
+	templateNames := slices.Sorted(maps.Keys(data))
+
+	selectTemplates := &promptui.SelectTemplates{
+		Label:    `  {{ "\U0000007C" | faint }} {{ . | magenta | bold }}`,
+		Active:   `{{ "\U0000007C" | faint }} {{ "🌶" | red }}  {{ . | cyan | italic }}`,
+		Inactive: `{{ "\U0000007C" | faint }}    {{ . | faint }}`,
+		Selected: `{{ "Created" | green }} {{ . }} {{ ".gitignore file ✓" | green }}`,
+	}
+
+	prompt := promptui.Select{
+		Label:             "Select a .gitignore template",
+		Items:             templateNames,
+		Templates:         selectTemplates,
+		Size:              pc.Height,
+		Searcher:          filterFunc(templateNames, pc.FilterType),
+		StartInSearchMode: pc.StartSearch,
+	}
+
+	i, _, err := prompt.Run()
+	if err != nil {
+		return "", fmt.Errorf("error running prompt: %w", err)
+	}
+
+	return data[templateNames[i]].Contents, nil
+}
+
+// commitGitignore writes the content of the selected gitignore template to the .gitignore file.
+func commitGitignore(content string, w io.Writer) error {
+	if _, err := fmt.Fprintf(w, "# Generated by gogn: github.com/onyx-and-iris/gogn\n"); err != nil {
+		return fmt.Errorf("error writing header to file '%s': %w", gitignoreFileName, err)
+	}
+
+	if _, err := fmt.Fprintf(w, "%s", content); err != nil {
+		return fmt.Errorf("error writing to file '%s': %w", gitignoreFileName, err)
+	}
+
+	if _, err := fmt.Fprintf(w, "\n# End of gogn\n"); err != nil {
+		return fmt.Errorf("error writing footer to file '%s': %w", gitignoreFileName, err)
+	}
+
+	return nil
+}