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@ -7,7 +7,6 @@ import (
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"os"
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"os/exec"
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"path/filepath"
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"regexp"
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"strings"
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"sync/atomic"
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"syscall"
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@ -26,7 +25,6 @@ type Executor struct {
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shellType shellType
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args []string
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shellPath atomic.Value
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r *regexp.Regexp
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}
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func NewExecutor(withShell string) *Executor {
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@ -38,7 +36,6 @@ func NewExecutor(withShell string) *Executor {
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shell = "cmd"
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}
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var r *regexp.Regexp
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shellType := shellTypeUnknown
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basename := filepath.Base(shell)
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if len(args) > 0 {
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@ -46,14 +43,13 @@ func NewExecutor(withShell string) *Executor {
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} else if strings.HasPrefix(basename, "cmd") {
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shellType = shellTypeCmd
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args = []string{"/v:on/s/c"}
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r = regexp.MustCompile(`[&|<>()@^%!]`)
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} else if strings.HasPrefix(basename, "pwsh") || strings.HasPrefix(basename, "powershell") {
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shellType = shellTypePowerShell
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args = []string{"-NoProfile", "-Command"}
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} else {
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args = []string{"-c"}
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}
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return &Executor{shell: shell, shellType: shellType, args: args, r: r}
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return &Executor{shell: shell, shellType: shellType, args: args}
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}
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// ExecCommand executes the given command with $SHELL
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@ -112,6 +108,34 @@ func (x *Executor) Become(stdin *os.File, environ []string, command string) {
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Exit(0)
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}
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func escapeArg(s string) string {
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b := make([]byte, 0, len(s)+2)
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b = append(b, '"')
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slashes := 0
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for i := 0; i < len(s); i++ {
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c := s[i]
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switch c {
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default:
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slashes = 0
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case '\\':
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slashes++
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case '&', '|', '<', '>', '(', ')', '@', '^', '%', '!':
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b = append(b, '^')
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case '"':
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for ; slashes > 0; slashes-- {
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b = append(b, '\\')
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}
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b = append(b, '\\')
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}
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b = append(b, c)
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}
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for ; slashes > 0; slashes-- {
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b = append(b, '\\')
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}
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b = append(b, '"')
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return string(b)
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}
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func (x *Executor) QuoteEntry(entry string) string {
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switch x.shellType {
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case shellTypeCmd:
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@ -122,16 +146,13 @@ func (x *Executor) QuoteEntry(entry string) string {
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echo .git\refs\\| fzf --preview "dir {}"
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echo .git\refs\\\| fzf --preview "dir {}"
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reg query HKCU | fzf --reverse --bind "enter:reload(reg query {})"
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fzf --disabled --preview "echo {q}" --query "&|<>()@^^%!"
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fzf --disabled --preview "echo {q} {n} {}" --query "&|<>()@^%!"
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fd -H --no-ignore -td -d 4 | fzf --preview "dir {}"
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fd -H --no-ignore -td -d 4 | fzf --preview "eza {}" --preview-window up
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fd -H --no-ignore -td -d 4 | fzf --preview "eza --color=always --tree --level=3 --icons=always {}"
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fd -H --no-ignore -td -d 4 | fzf --preview ".\eza.exe --color=always --tree --level=3 --icons=always {}" --with-shell "powershell -NoProfile -Command"
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*/
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escaped := syscall.EscapeArg(entry)
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return x.r.ReplaceAllStringFunc(escaped, func(match string) string {
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return "^" + match
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})
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return escapeArg(entry)
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case shellTypePowerShell:
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escaped := strings.Replace(entry, `"`, `\"`, -1)
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return "'" + strings.Replace(escaped, "'", "''", -1) + "'"
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