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authorDaniel J Walsh <dwalsh@redhat.com>2018-03-29 11:01:47 -0400
committerAtomic Bot <atomic-devel@projectatomic.io>2018-04-05 14:13:49 +0000
commitfdcf633a33bbbfbc99268965ef5da03a4770619b (patch)
tree59be1ab815261e106220a4691766830b58657ac0 /vendor/github.com/mrunalp/fileutils/idtools.go
parentca3b2414516c04125f986775c0cbce27f0f1e505 (diff)
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Add hooks support to podman
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com> Closes: #155 Approved by: mheon
Diffstat (limited to 'vendor/github.com/mrunalp/fileutils/idtools.go')
-rw-r--r--vendor/github.com/mrunalp/fileutils/idtools.go49
1 files changed, 49 insertions, 0 deletions
diff --git a/vendor/github.com/mrunalp/fileutils/idtools.go b/vendor/github.com/mrunalp/fileutils/idtools.go
new file mode 100644
index 000000000..161aec8f5
--- /dev/null
+++ b/vendor/github.com/mrunalp/fileutils/idtools.go
@@ -0,0 +1,49 @@
+package fileutils
+
+import (
+ "os"
+ "path/filepath"
+)
+
+// MkdirAllNewAs creates a directory (include any along the path) and then modifies
+// ownership ONLY of newly created directories to the requested uid/gid. If the
+// directories along the path exist, no change of ownership will be performed
+func MkdirAllNewAs(path string, mode os.FileMode, ownerUID, ownerGID int) error {
+ // make an array containing the original path asked for, plus (for mkAll == true)
+ // all path components leading up to the complete path that don't exist before we MkdirAll
+ // so that we can chown all of them properly at the end. If chownExisting is false, we won't
+ // chown the full directory path if it exists
+ var paths []string
+ if _, err := os.Stat(path); err != nil && os.IsNotExist(err) {
+ paths = []string{path}
+ } else if err == nil {
+ // nothing to do; directory path fully exists already
+ return nil
+ }
+
+ // walk back to "/" looking for directories which do not exist
+ // and add them to the paths array for chown after creation
+ dirPath := path
+ for {
+ dirPath = filepath.Dir(dirPath)
+ if dirPath == "/" {
+ break
+ }
+ if _, err := os.Stat(dirPath); err != nil && os.IsNotExist(err) {
+ paths = append(paths, dirPath)
+ }
+ }
+
+ if err := os.MkdirAll(path, mode); err != nil && !os.IsExist(err) {
+ return err
+ }
+
+ // even if it existed, we will chown the requested path + any subpaths that
+ // didn't exist when we called MkdirAll
+ for _, pathComponent := range paths {
+ if err := os.Chown(pathComponent, ownerUID, ownerGID); err != nil {
+ return err
+ }
+ }
+ return nil
+}