79 lines
1.7 KiB
Go
79 lines
1.7 KiB
Go
package cwhub
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import (
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"fmt"
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"os"
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"path/filepath"
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)
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// createInstallLink creates a symlink between the actual config file at hub.HubDir and hub.ConfigDir.
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func (i *Item) createInstallLink() error {
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dest, err := i.installPath()
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if err != nil {
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return err
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}
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destDir := filepath.Dir(dest)
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if err = os.MkdirAll(destDir, os.ModePerm); err != nil {
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return fmt.Errorf("while creating %s: %w", destDir, err)
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}
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if _, err = os.Lstat(dest); !os.IsNotExist(err) {
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i.hub.logger.Infof("%s already exists.", dest)
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return nil
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}
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src, err := i.downloadPath()
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if err != nil {
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return err
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}
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if err = os.Symlink(src, dest); err != nil {
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return fmt.Errorf("while creating symlink from %s to %s: %w", src, dest, err)
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}
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return nil
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}
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// removeInstallLink removes the symlink to the downloaded content.
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func (i *Item) removeInstallLink() error {
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syml, err := i.installPath()
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if err != nil {
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return err
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}
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stat, err := os.Lstat(syml)
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if err != nil {
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return err
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}
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// if it's managed by hub, it's a symlink to csconfig.GConfig.hub.HubDir / ...
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if stat.Mode()&os.ModeSymlink == 0 {
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i.hub.logger.Warningf("%s (%s) isn't a symlink, can't disable", i.Name, syml)
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return fmt.Errorf("%s isn't managed by hub", i.Name)
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}
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hubpath, err := os.Readlink(syml)
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if err != nil {
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return fmt.Errorf("while reading symlink: %w", err)
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}
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src, err := i.downloadPath()
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if err != nil {
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return err
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}
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if hubpath != src {
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i.hub.logger.Warningf("%s (%s) isn't a symlink to %s", i.Name, syml, src)
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return fmt.Errorf("%s isn't managed by hub", i.Name)
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}
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if err := os.Remove(syml); err != nil {
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return fmt.Errorf("while removing symlink: %w", err)
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}
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i.hub.logger.Infof("Removed symlink [%s]: %s", i.Name, syml)
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return nil
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}
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