64 lines
1.6 KiB
Go
64 lines
1.6 KiB
Go
package ghinstance
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import (
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"fmt"
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"strings"
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)
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const defaultHostname = "github.com"
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var hostnameOverride string
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// Default returns the host name of the default GitHub instance
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func Default() string {
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return defaultHostname
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}
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// OverridableDefault is like Default, except it is overridable by the GH_HOST environment variable
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func OverridableDefault() string {
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if hostnameOverride != "" {
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return hostnameOverride
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}
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return defaultHostname
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}
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// OverrideDefault overrides the value returned from OverridableDefault. This should only ever be
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// called from the main runtime path, not tests.
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func OverrideDefault(newhost string) {
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hostnameOverride = newhost
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}
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// IsEnterprise reports whether a non-normalized host name looks like a GHE instance
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func IsEnterprise(h string) bool {
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return NormalizeHostname(h) != defaultHostname
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}
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// NormalizeHostname returns the canonical host name of a GitHub instance
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func NormalizeHostname(h string) string {
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hostname := strings.ToLower(h)
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if strings.HasSuffix(hostname, "."+defaultHostname) {
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return defaultHostname
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}
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return hostname
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}
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func GraphQLEndpoint(hostname string) string {
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if IsEnterprise(hostname) {
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return fmt.Sprintf("https://%s/api/graphql", hostname)
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}
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return "https://api.github.com/graphql"
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}
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func RESTPrefix(hostname string) string {
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if IsEnterprise(hostname) {
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return fmt.Sprintf("https://%s/api/v3/", hostname)
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}
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return "https://api.github.com/"
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}
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func GistPrefix(hostname string) string {
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if IsEnterprise(hostname) {
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return fmt.Sprintf("https://%s/gist/", hostname)
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}
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return fmt.Sprintf("https://gist.%s/", hostname)
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}
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