podman

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package specgenutilexternal
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import (
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	"encoding/csv"
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	"errors"
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	"strings"
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)
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var (
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	errInvalidSyntax = errors.New("incorrect mount format: should be --mount type=<bind|glob|tmpfs|volume>,[src=<host-dir|volume-name>,]target=<ctr-dir>[,options]")
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)
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// FindMountType parses the input and extracts the type of the mount type and
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// the remaining non-type tokens.
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func FindMountType(input string) (mountType string, tokens []string, err error) {
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	// Split by comma, iterate over the slice and look for
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	// "type=$mountType". Everything else is appended to tokens.
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	found := false
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	csvReader := csv.NewReader(strings.NewReader(input))
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	records, err := csvReader.ReadAll()
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	if err != nil {
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		return "", nil, err
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	}
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	if len(records) != 1 {
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		return "", nil, errInvalidSyntax
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	}
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	for _, s := range records[0] {
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		kv := strings.Split(s, "=")
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		if found || !(len(kv) == 2 && kv[0] == "type") {
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			tokens = append(tokens, s)
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			continue
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		}
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		mountType = kv[1]
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		found = true
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	}
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	if !found {
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		err = errInvalidSyntax
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	}
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	return
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}
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