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Fix escaping for cmd.exe

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Close #3651
Close #2609
This commit is contained in:
Junegunn Choi 2024-04-28 22:03:00 +09:00
parent 7ed6c7905c
commit 8d74446bef
No known key found for this signature in database
GPG Key ID: 254BC280FEF9C627
2 changed files with 22 additions and 11 deletions
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4
src/terminal_test.go
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@ -319,9 +319,9 @@ func TestUnixCommands(t *testing.T) {
// purpose of this test is to demonstrate some shortcomings of fzf's templating system on Windows
func TestWindowsCommands(t *testing.T) {
if !util.IsWindows() {
// XXX Deprecated
t.SkipNow()
}
tests := []testCase{
// reference: give{template, query, items}, want{output OR match}

27
src/util/util_windows.go
View File

@ -26,6 +26,7 @@ type Executor struct {
shellType shellType
args []string
shellPath atomic.Value
r *regexp.Regexp
}
func NewExecutor(withShell string) *Executor {
@ -37,6 +38,7 @@ func NewExecutor(withShell string) *Executor {
shell = "cmd"
}
var r *regexp.Regexp
shellType := shellTypeUnknown
basename := filepath.Base(shell)
if len(args) > 0 {
@ -44,13 +46,14 @@ func NewExecutor(withShell string) *Executor {
} else if strings.HasPrefix(basename, "cmd") {
shellType = shellTypeCmd
args = []string{"/v:on/s/c"}
r = regexp.MustCompile(`[&|<>()@^%!]`)
} else if strings.HasPrefix(basename, "pwsh") || strings.HasPrefix(basename, "powershell") {
shellType = shellTypePowerShell
args = []string{"-NoProfile", "-Command"}
} else {
args = []string{"-c"}
}
return &Executor{shell: shell, shellType: shellType, args: args}
return &Executor{shell: shell, shellType: shellType, args: args, r: r}
}
// ExecCommand executes the given command with $SHELL
@ -112,13 +115,21 @@ func (x *Executor) Become(stdin *os.File, environ []string, command string) {
func (x *Executor) QuoteEntry(entry string) string {
switch x.shellType {
case shellTypeCmd:
// backslash escaping is done here for applications
// (see ripgrep test case in terminal_test.go#TestWindowsCommands)
escaped := strings.Replace(entry, `\`, `\\`, -1)
escaped = `"` + strings.Replace(escaped, `"`, `\"`, -1) + `"`
// caret is the escape character for cmd shell
r, _ := regexp.Compile(`[&|<>()@^%!"]`)
return r.ReplaceAllStringFunc(escaped, func(match string) string {
/* Manually tested with the following commands:
fzf --preview "echo {}"
fzf --preview "type {}"
echo .git\refs\| fzf --preview "dir {}"
echo .git\refs\\| fzf --preview "dir {}"
echo .git\refs\\\| fzf --preview "dir {}"
reg query HKCU | fzf --reverse --bind "enter:reload(reg query {})"
fzf --disabled --preview "echo {q}" --query "&|<>()@^^%!"
fd -H --no-ignore -td -d 4 | fzf --preview "dir {}"
fd -H --no-ignore -td -d 4 | fzf --preview "eza {}" --preview-window up
fd -H --no-ignore -td -d 4 | fzf --preview "eza --color=always --tree --level=3 --icons=always {}"
fd -H --no-ignore -td -d 4 | fzf --preview ".\eza.exe --color=always --tree --level=3 --icons=always {}" --with-shell "powershell -NoProfile -Command"
*/
escaped := syscall.EscapeArg(entry)
return x.r.ReplaceAllStringFunc(escaped, func(match string) string {
return "^" + match
})
case shellTypePowerShell: