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Use packit file exists function. #127

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merged 1 commit into from
Mar 29, 2022
Merged

Use packit file exists function. #127

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17 changes: 3 additions & 14 deletions detect.go
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Original file line number Diff line number Diff line change
@@ -1,13 +1,13 @@
package pythonstart

import (
"errors"
"fmt"
"os"
"path/filepath"
"strconv"

"github.com/paketo-buildpacks/packit/v2"
"github.com/paketo-buildpacks/packit/v2/fs"
)

// BuildPlanMetadata is the buildpack specific data included in build plan
Expand All @@ -32,12 +32,12 @@ type BuildPlanMetadata struct {
// additionally require "watchexec" at launch-time
func Detect() packit.DetectFunc {
return func(context packit.DetectContext) (packit.DetectResult, error) {
envFile, err := fileExists(filepath.Join(context.WorkingDir, "environment.yml"))
envFile, err := fs.Exists(filepath.Join(context.WorkingDir, "environment.yml"))
if err != nil {
return packit.DetectResult{}, packit.Fail.WithMessage("failed trying to stat environment.yml: %w", err)
}

lockFile, err := fileExists(filepath.Join(context.WorkingDir, "package-list.txt"))
lockFile, err := fs.Exists(filepath.Join(context.WorkingDir, "package-list.txt"))
if err != nil {
return packit.DetectResult{}, packit.Fail.WithMessage("failed trying to stat package-list.txt: %w", err)
}
Expand Down Expand Up @@ -134,17 +134,6 @@ func Detect() packit.DetectFunc {
}
}

func fileExists(path string) (bool, error) {
_, err := os.Stat(path)
if err != nil {
if errors.Is(err, os.ErrNotExist) {
return false, nil
}
return false, err
}
return true, nil
}

func checkLiveReloadEnabled() (bool, error) {
if reload, ok := os.LookupEnv("BP_LIVE_RELOAD_ENABLED"); ok {
shouldEnableReload, err := strconv.ParseBool(reload)
Expand Down