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env_vars.go
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/
env_vars.go
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package prow
import (
"fmt"
"strings"
)
// PullRefs is the result of parsing the Prow PULL_REFS
type PullRefs struct {
BaseBranch string
BaseSha string
ToMerge map[string]string
}
// ParsePullRefs parses the Prow PULL_REFS env var formatted string and converts to a map of branch:sha
func ParsePullRefs(pullRefs string) (*PullRefs, error) {
kvs := strings.Split(pullRefs, ",")
answer := PullRefs{
ToMerge: make(map[string]string),
}
for i, kv := range kvs {
s := strings.Split(kv, ":")
if len(s) != 2 {
return nil, fmt.Errorf("incorrect format for branch:sha %s", kv)
}
if i == 0 {
answer.BaseBranch = s[0]
answer.BaseSha = s[1]
} else {
answer.ToMerge[s[0]] = s[1]
}
}
return &answer, nil
}
func (pr *PullRefs) String() string {
s := fmt.Sprintf("%s:%s", pr.BaseBranch, pr.BaseSha)
for key, value := range pr.ToMerge {
s = fmt.Sprintf("%s,%s:%s", s, key, value)
}
return s
}