978d35d356
Apply GoDoc comment policy (comments for humans should have a space after the //; machine-readable comments shouldn't) Use strings.ReplaceAll instead of strings.Replace when appropriate Remove if/else chains by replacing them with switches Use short assignment/increment notation Replace single case switches with if statements Combine else and if when appropriate Signed-off-by: Moritz Poldrack <moritz@poldrack.dev> Acked-by: Robin Jarry <robin@jarry.cc>
65 lines
1.5 KiB
Go
65 lines
1.5 KiB
Go
package lib
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import (
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"os/exec"
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"runtime"
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"git.sr.ht/~rjarry/aerc/logging"
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)
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var openBin string = "xdg-open"
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func init() {
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if runtime.GOOS == "darwin" {
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openBin = "open"
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}
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}
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type xdgOpen struct {
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args []string
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errCh chan (error)
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cmd *exec.Cmd
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}
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// NewXDGOpen returns a handler for opening a file via the system handler xdg-open
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// or comparable tools on other OSs than Linux
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func NewXDGOpen(filename string) *xdgOpen {
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errch := make(chan error, 1)
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return &xdgOpen{
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errCh: errch,
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args: []string{filename},
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}
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}
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// SetArgs sets additional arguments to the open command prior to the filename
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func (xdg *xdgOpen) SetArgs(args []string) {
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args = append([]string{}, args...) // don't overwrite array of caller
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filename := xdg.args[len(xdg.args)-1]
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xdg.args = append(args, filename) //nolint:gocritic // intentional append to different slice
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}
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// Start the open handler.
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// Returns an error if the command could not be started.
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// Use Wait to wait for the commands completion and to check the error.
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func (xdg *xdgOpen) Start() error {
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xdg.cmd = exec.Command(openBin, xdg.args...)
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err := xdg.cmd.Start()
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if err != nil {
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xdg.errCh <- err // for callers that just check the error from Wait()
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close(xdg.errCh)
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return err
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}
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go func() {
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defer logging.PanicHandler()
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xdg.errCh <- xdg.cmd.Wait()
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close(xdg.errCh)
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}()
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return nil
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}
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// Wait for the xdg-open command to complete
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// The xdgOpen must have been started
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func (xdg *xdgOpen) Wait() error {
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return <-xdg.errCh
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}
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