96 lines
2.1 KiB
Go
96 lines
2.1 KiB
Go
package fs
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import (
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"context"
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"fmt"
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"log"
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"path/filepath"
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"time"
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"github.com/hashicorp/go-version"
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"github.com/hashicorp/hc-install/errors"
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"github.com/hashicorp/hc-install/internal/src"
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"github.com/hashicorp/hc-install/internal/validators"
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"github.com/hashicorp/hc-install/product"
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)
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// ExactVersion finds the first executable binary of the product name
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// which matches the Version within system $PATH and any declared ExtraPaths
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// (which are *appended* to any directories in $PATH)
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type ExactVersion struct {
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Product product.Product
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Version *version.Version
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ExtraPaths []string
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Timeout time.Duration
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logger *log.Logger
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}
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func (*ExactVersion) IsSourceImpl() src.InstallSrcSigil {
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return src.InstallSrcSigil{}
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}
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func (ev *ExactVersion) SetLogger(logger *log.Logger) {
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ev.logger = logger
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}
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func (ev *ExactVersion) log() *log.Logger {
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if ev.logger == nil {
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return discardLogger
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}
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return ev.logger
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}
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func (ev *ExactVersion) Validate() error {
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if !validators.IsBinaryNameValid(ev.Product.BinaryName()) {
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return fmt.Errorf("invalid binary name: %q", ev.Product.BinaryName())
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}
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if ev.Version == nil {
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return fmt.Errorf("undeclared version")
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}
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if ev.Product.GetVersion == nil {
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return fmt.Errorf("undeclared version getter")
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}
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return nil
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}
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func (ev *ExactVersion) Find(ctx context.Context) (string, error) {
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timeout := defaultTimeout
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if ev.Timeout > 0 {
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timeout = ev.Timeout
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}
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ctx, cancelFunc := context.WithTimeout(ctx, timeout)
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defer cancelFunc()
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execPath, err := findFile(lookupDirs(ev.ExtraPaths), ev.Product.BinaryName(), func(file string) error {
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err := checkExecutable(file)
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if err != nil {
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return err
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}
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v, err := ev.Product.GetVersion(ctx, file)
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if err != nil {
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return err
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}
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if !ev.Version.Equal(v) {
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return fmt.Errorf("version (%s) doesn't match %s", v, ev.Version)
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}
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return nil
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})
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if err != nil {
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return "", errors.SkippableErr(err)
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}
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if !filepath.IsAbs(execPath) {
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var err error
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execPath, err = filepath.Abs(execPath)
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if err != nil {
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return "", errors.SkippableErr(err)
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}
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}
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return execPath, nil
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}
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