mirror of https://github.com/k3d-io/k3d
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/* |
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Copyright © 2020 The k3d Author(s) |
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Permission is hereby granted, free of charge, to any person obtaining a copy |
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of this software and associated documentation files (the "Software"), to deal |
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in the Software without restriction, including without limitation the rights |
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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copies of the Software, and to permit persons to whom the Software is |
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furnished to do so, subject to the following conditions: |
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|
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The above copyright notice and this permission notice shall be included in |
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all copies or substantial portions of the Software. |
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|
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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THE SOFTWARE. |
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*/ |
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package util |
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import ( |
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"fmt" |
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"os" |
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"os/exec" |
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"strings" |
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) |
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func HandlePlugin(args []string) error { |
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argsPrefix := []string{} |
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for _, arg := range args { |
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if strings.HasPrefix(arg, "-") { |
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continue // drop flags
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} |
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argsPrefix = append(argsPrefix, strings.ReplaceAll(arg, "-", "_")) // plugin executables assumed to have underscores
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} |
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execPath := "" |
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for len(argsPrefix) > 0 { |
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path, found := FindPlugin(strings.Join(argsPrefix, "-")) |
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if !found { |
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argsPrefix = argsPrefix[:len(argsPrefix)-1] // drop last element
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continue |
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} |
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execPath = path |
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break |
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} |
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if execPath == "" { |
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return nil |
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} |
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return ExecPlugin(execPath, args[len(argsPrefix):], os.Environ()) |
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} |
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// FindPlugin tries to find the plugin executable on the filesystem
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func FindPlugin(name string) (string, bool) { |
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path, err := exec.LookPath(fmt.Sprintf("%s-%s", k3d.DefaultObjectNamePrefix, name)) |
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if err == nil && len(path) > 0 { |
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return path, true |
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} |
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return "", false |
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} |
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// ExecPlugin executes a found plugin
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func ExecPlugin(path string, args []string, env []string) error { |
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return nil |
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} |
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