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Show error message when failed to start preview command (#1810)

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Fix #1637
This commit is contained in:
Tony Metzidis 2020-01-19 02:42:10 -08:00 committed by Junegunn Choi
parent f7b26b34cb
commit f246fb2fc2
3 changed files with 7 additions and 2 deletions
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1
.gitignore vendored
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@ -8,3 +8,4 @@ doc/tags
vendor vendor
gopath gopath
*.zwc *.zwc
fzf

3
README.md
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@ -480,7 +480,8 @@ See *KEY BINDINGS* section of the man page for details.
### Preview window ### Preview window
When `--preview` option is set, fzf automatically starts an external process with When `--preview` option is set, fzf automatically starts an external process with
the current line as the argument and shows the result in the split window. the current line as the argument and shows the result in the split window. Your
`$SHELL` is used to execute the command with `$SHELL -c COMMAND`
```bash ```bash
# {} is replaced to the single-quoted string of the focused line # {} is replaced to the single-quoted string of the focused line

5
src/terminal.go
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@ -1576,7 +1576,10 @@ func (t *Terminal) Loop() {
var out bytes.Buffer var out bytes.Buffer
cmd.Stdout = &out cmd.Stdout = &out
cmd.Stderr = &out cmd.Stderr = &out
cmd.Start() err := cmd.Start()
if err != nil {
out.Write([]byte(err.Error()))
}
finishChan := make(chan bool, 1) finishChan := make(chan bool, 1)
updateChan := make(chan bool) updateChan := make(chan bool)
go func() { go func() {