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Merge pull request #896 from suzuki-shunsuke/fix/change-env-name-and-…
…support-var-env feat: rename environment variables and support passing variables via environment variables
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,70 @@ | ||
| package cmd | ||
|
|
||
| import ( | ||
| "errors" | ||
| "fmt" | ||
| "os" | ||
| "strings" | ||
|
|
||
| "github.com/urfave/cli/v2" | ||
| ) | ||
|
|
||
| func parseVarEnvs() map[string]string { | ||
| m := map[string]string{} | ||
| for _, kv := range os.Environ() { | ||
| k, v, _ := strings.Cut(kv, "=") | ||
| if a := strings.TrimPrefix(k, "GH_COMMENT_VAR_"); k != a { | ||
| m[a] = v | ||
| } | ||
| } | ||
| return m | ||
| } | ||
|
|
||
| func parseVarsFlag(varsSlice []string) (map[string]string, error) { | ||
| vars := make(map[string]string, len(varsSlice)) | ||
| for _, v := range varsSlice { | ||
| a := strings.SplitN(v, ":", 2) //nolint:gomnd | ||
| if len(a) < 2 { //nolint:gomnd | ||
| return nil, errors.New("invalid var flag. The format should be '--var <key>:<value>") | ||
| } | ||
| vars[a[0]] = a[1] | ||
| } | ||
| return vars, nil | ||
| } | ||
|
|
||
| func parseVarFilesFlag(varsSlice []string) (map[string]string, error) { | ||
| vars := make(map[string]string, len(varsSlice)) | ||
| for _, v := range varsSlice { | ||
| a := strings.SplitN(v, ":", 2) //nolint:gomnd | ||
| if len(a) < 2 { //nolint:gomnd | ||
| return nil, errors.New("invalid var flag. The format should be '--var <key>:<value>") | ||
| } | ||
| name := a[0] | ||
| filePath := a[1] | ||
| b, err := os.ReadFile(filePath) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("read the value of the variable %s from the file %s: %w", name, filePath, err) | ||
| } | ||
| vars[name] = string(b) | ||
| } | ||
| return vars, nil | ||
| } | ||
|
|
||
| func parseVars(c *cli.Context) (map[string]string, error) { | ||
| vars := parseVarEnvs() | ||
| flagVars, err := parseVarsFlag(c.StringSlice("var")) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| for k, v := range flagVars { | ||
| vars[k] = v | ||
| } | ||
| varFiles, err := parseVarFilesFlag(c.StringSlice("var-file")) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| for k, v := range varFiles { | ||
| vars[k] = v | ||
| } | ||
| return vars, nil | ||
| } |
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