90 lines
2.9 KiB
Go
90 lines
2.9 KiB
Go
package fs
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import (
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"github.com/versenilvis/iris/commands/core"
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)
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func init() {
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core.Register(&core.Spec{
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Name: "chmod",
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Description: "change file permissions",
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MaxArgs: 2, // 1 option + 1 file
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Subcommands: []core.Subcommand{},
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Options: []core.Option{
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{Name: "-R", Description: "apply recursively to directories"},
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{Name: "--recursive", Description: "apply recursively to directories"},
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{Name: "-v", Description: "verbose: show each file processed"},
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{Name: "--verbose", Description: "verbose: show each file processed"},
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{Name: "-c", Description: "like verbose but report only when a change is made"},
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{Name: "--changes", Description: "like verbose but report only when a change is made"},
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{Name: "-f", Description: "suppress most error messages"},
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{Name: "--silent", Description: "suppress most error messages"},
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{Name: "--quiet", Description: "suppress most error messages"},
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{Name: "--reference", Description: "use another file's mode as reference (--reference=FILE)"},
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{Name: "-H", Description: "follow symlinks on command line (use with -R)"},
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{Name: "-L", Description: "follow all symlinks (use with -R)"},
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{Name: "-P", Description: "do not follow any symlinks (use with -R)"},
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},
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Generator: modeGenerator(),
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})
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}
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// modeGenerator suggests common chmod mode strings as the first argument,
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// then falls back to file suggestions for subsequent arguments
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func modeGenerator() core.GeneratorFunc {
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filegen := core.FileGenerator(".sh", ".py", ".bin", ".run")
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commonModes := []struct {
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mode string
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desc string
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}{
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{"+x", "add execute for all"},
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{"-x", "remove execute for all"},
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{"u+x", "add execute for owner"},
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{"a+x", "add execute for all (explicit)"},
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{"u+rw", "owner read+write"},
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{"go-w", "remove write from group+others"},
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{"a-w", "remove write from everyone"},
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{"u+s", "set SUID bit"},
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{"g+s", "set SGID bit"},
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{"+t", "set sticky bit"},
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{"755", "rwxr-xr-x (executable/dir, world-readable)"},
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{"644", "rw-r--r-- (regular file, world-readable)"},
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{"600", "rw------- (private file)"},
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{"700", "rwx------ (private executable)"},
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{"777", "rwxrwxrwx (full permissions for all)"},
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{"666", "rw-rw-rw- (read+write for all)"},
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{"400", "r-------- (read-only for owner)"},
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{"444", "r--r--r-- (read-only for all)"},
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{"750", "rwxr-x--- (group can read+execute)"},
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{"640", "rw-r----- (group can read)"},
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{"664", "rw-rw-r-- (group can read+write)"},
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}
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return func(tokens []string, prefix string, partial string) []core.Suggestion {
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argCount := 0
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for i := 1; i < len(tokens); i++ {
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t := tokens[i]
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if t != "" && t[0] != '-' {
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argCount++
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}
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}
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if argCount == 0 {
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var results []core.Suggestion
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for _, m := range commonModes {
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if partial == "" || core.HasPrefixCI(m.mode, partial) {
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results = append(results, core.Suggestion{
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Cmd: m.mode,
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Desc: m.desc,
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})
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}
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}
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return results
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}
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return filegen(tokens, prefix, partial)
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}
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}
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