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Merge pull request #1973 from aneeshusa/clarify-config-discovery-order 

Clarify the plugin discovery search & priority orders.
This commit is contained in:
Seth Vargo 2015-03-16 18:34:17 -04:00
parent 1e43c9090a 63597af8bb
commit f56db12615
1 changed files with 8 additions and 6 deletions
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14
config.go
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@ -49,11 +49,13 @@ func decodeConfig(r io.Reader, c *config) error {
// Discover discovers plugins.
//
// This looks in the directory of the executable and the CWD, in that
// order for priority.
// Search the directory of the executable, then the plugins directory, and
// finally the CWD, in that order. Any conflicts will overwrite previously
// found plugins, in that order.
// Hence, the priority order is the reverse of the search order - i.e., the
// CWD has the highest priority.
func (c *config) Discover() error {
// Next, look in the same directory as the executable. Any conflicts
// will overwrite those found in our current directory.
// First, look in the same directory as the executable.
exePath, err := osext.Executable()
if err != nil {
log.Printf("[ERR] Error loading exe directory: %s", err)
@ -63,7 +65,7 @@ func (c *config) Discover() error {
}
}
// Look in the plugins directory
// Next, look in the plugins directory.
dir, err := ConfigDir()
if err != nil {
log.Printf("[ERR] Error loading config directory: %s", err)
@ -73,7 +75,7 @@ func (c *config) Discover() error {
}
}
// Look in the cwd.
// Last, look in the CWD.
if err := c.discover("."); err != nil {
return err
}