tabshift/go-ssh-config
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install staticcheck on host

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This commit is contained in:
Kevin Burke
2017-04-23 11:59:34 -07:00
parent bc2824eae3
commit 251b79e492
2 changed files with 40 additions and 8 deletions
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5
Makefile
View File

@@ -1,5 +1,10 @@
STATICCHECK := $(shell command -v staticcheck)
lint:
go vet ./...
ifndef STATICCHECK
go get -u honnef.co/go/tools/cmd/staticcheck
endif
staticcheck ./...
test: lint

41
config.go
View File

@@ -38,6 +38,9 @@ func userConfigFinder() string {
return filepath.Join(home, ".ssh", "config")
}
// DefaultUserSettings is the default UserSettings and is used by Get and
// GetStrict. It checks both $HOME/.ssh/config and /etc/ssh/ssh_config for
// keys, and it will return parse errors (if any).
var DefaultUserSettings = &UserSettings{
IgnoreErrors: false,
systemConfigFinder: systemConfigFinder,
@@ -55,10 +58,26 @@ func findVal(c *Config, alias, key string) (string, error) {
return c.Get(alias, key)
}
// Get finds the first value for key within a declaration that matches the
// alias. Get returns the empty string if no value was found, or if IgnoreErrors
// is false and we could not parse the configuration file. Use GetStrict to
// disambiguate the latter cases.
//
// The match for key is case insensitive.
//
// Get is a wrapper around DefaultUserSettings.Get.
func Get(alias, key string) string {
return DefaultUserSettings.Get(alias, key)
}
// GetStrict finds the first value for key within a declaration that matches the
// alias. For more information on how patterns are matched, see the manpage for
// ssh_config.
//
// error will be non-nil if and only if a user's configuration file or the
// system configuration file could not be parsed, and u.IgnoreErrors is false.
//
// GetStrict is a wrapper around DefaultUserSettings.GetStrict.
func GetStrict(alias, key string) (string, error) {
return DefaultUserSettings.GetStrict(alias, key)
}
@@ -68,7 +87,7 @@ func GetStrict(alias, key string) (string, error) {
// is false and we could not parse the configuration file. Use GetStrict to
// disambiguate the latter cases.
//
// The match for key is case sensitive.
// The match for key is case insensitive.
func (u *UserSettings) Get(alias, key string) string {
val, err := u.GetStrict(alias, key)
if err != nil {
@@ -77,11 +96,12 @@ func (u *UserSettings) Get(alias, key string) string {
return val
}
// Get finds the first value for key within a declaration that matches the
// alias. For more on the pattern syntax, see the manpage for ssh_config.
// GetStrict finds the first value for key within a declaration that matches the
// alias. For more information on how patterns are matched, see the manpage for
// ssh_config.
//
// error will be non-nil if and only if the user's configuration file or the
// system configuration file could not be parsed, and u.IgnoreErrors is true.
// error will be non-nil if and only if a user's configuration file or the
// system configuration file could not be parsed, and u.IgnoreErrors is false.
func (u *UserSettings) GetStrict(alias, key string) (string, error) {
u.loadConfigs.Do(func() {
// can't parse user file, that's ok.
@@ -146,11 +166,18 @@ func Decode(r io.Reader) (c *Config, err error) {
// Config represents an SSH config file.
type Config struct {
position Position
// A list of hosts to match against. The file begins with an implicit
// "Host *" declaration matching all hosts.
Hosts []*Host
// Set to true to silently ignore errors parsing the config file.
IgnoreErrors bool
}
// Get finds the first value in the configuration that matches the alias and
// contains key. Get returns the empty string if no value was found, the Config
// contains an invalid conditional Include value.
//
// The match for key is case insensitive.
//
// Get is a wrapper around DefaultUserSettings.Get.
func (c *Config) Get(alias, key string) (string, error) {
lowerKey := strings.ToLower(key)
for _, host := range c.Hosts {