VERSE
ebde9ba68f
- I think it would be better if one for commands only, one for the spec handling core logic so people won't be confused by the core logic inside the commands folder (cleaner I guess) - Regen docs
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/spec"
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)
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func init() {
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spec.Register(&spec.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: []spec.Subcommand{},
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Options: []spec.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() spec.GeneratorFunc {
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filegen := spec.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) []spec.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 []spec.Suggestion
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for _, m := range commonModes {
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if partial == "" || spec.HasPrefixCI(m.mode, partial) {
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results = append(results, spec.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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