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13
README.md
13
README.md
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@ -8,6 +8,19 @@ bshchk '' with_bshchk.sh # will read from stdin
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bshchk # will read from stdin, and write to stdin
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bshchk # will read from stdin, and write to stdin
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```
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```
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tags
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```sh
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# To explicitly add curl:
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#bshchk:add-cmd curl
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# To disable checking for one curl:
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#bshchk:ignore-cmd curl
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# You can add/ignore multiple commands at once:
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#bshchk:add-cmd curl wget
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```
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## license
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## license
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```
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```
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bshchk - a bash runtime dependency checker
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bshchk - a bash runtime dependency checker
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25
finder.go
25
finder.go
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@ -6,6 +6,26 @@ import (
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"mvdan.cc/sh/v3/syntax"
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"mvdan.cc/sh/v3/syntax"
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)
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)
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func get_ignored_and_deps(code string) ([]string, []string) {
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var ignored []string = []string{"alias", "bind", "builtin", "caller", "command", "declare", "echo", "enable", "let", "local", "logout", "mapfile", "printf", "read", "readarray", "source", "type", "typeset", "ulimit", "unalias"}
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var deps []string
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for _, line := range strings.Split(code, "\n") {
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splitted := strings.Split(line, " ")
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if len(splitted) < 2 {
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continue
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}
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if splitted[0] == "#bshchk:ignore-cmd" {
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ignored = append(ignored, splitted[1:]...)
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}
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if splitted[0] == "#bshchk:add-cmd" {
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deps = append(deps, splitted[1:]...)
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}
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}
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return ignored, deps
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}
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func find(code string) ([]string, error) {
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func find(code string) ([]string, error) {
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r := strings.NewReader(code)
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r := strings.NewReader(code)
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f, err := syntax.NewParser().Parse(r, "")
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f, err := syntax.NewParser().Parse(r, "")
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@ -13,8 +33,7 @@ func find(code string) ([]string, error) {
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return make([]string, 0), err
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return make([]string, 0), err
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}
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}
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var builtins = [...]string{"alias", "bind", "builtin", "caller", "command", "declare", "echo", "enable", "help", "let", "local", "logout", "mapfile", "printf", "read", "readarray", "source", "type", "typeset", "ulimit", "unalias"}
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ignored, deps := get_ignored_and_deps(code)
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var deps []string
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syntax.Walk(f, func(node syntax.Node) bool {
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syntax.Walk(f, func(node syntax.Node) bool {
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switch x := node.(type) {
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switch x := node.(type) {
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case *syntax.CallExpr:
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case *syntax.CallExpr:
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@ -36,7 +55,7 @@ func find(code string) ([]string, error) {
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for _, dep := range deps {
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for _, dep := range deps {
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is_builtin := false
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is_builtin := false
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for _, builtin := range builtins {
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for _, builtin := range ignored {
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if dep == builtin {
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if dep == builtin {
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is_builtin = true
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is_builtin = true
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}
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}
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