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authorNalin Dahyabhai <nalin@redhat.com>2019-10-24 10:37:22 -0400
committerNalin Dahyabhai <nalin@redhat.com>2019-10-29 13:35:18 -0400
commita4a70b4506ec4abb8b3bbc3873ee5ca015a8ed08 (patch)
tree4e7a50576d4db83450c58054e276f33bbd2cdb3a /vendor/github.com/containerd/continuity/fs/hardlink.go
parent59582c55b798f0a2d086981ca9a8ddd8314fd0c2 (diff)
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bump containers/image to v5.0.0, buildah to v1.11.4
Move to containers/image v5 and containers/buildah to v1.11.4. Replace an equality check with a type assertion when checking for a docker.ErrUnauthorizedForCredentials in `podman login`. Signed-off-by: Nalin Dahyabhai <nalin@redhat.com>
Diffstat (limited to 'vendor/github.com/containerd/continuity/fs/hardlink.go')
-rw-r--r--vendor/github.com/containerd/continuity/fs/hardlink.go43
1 files changed, 43 insertions, 0 deletions
diff --git a/vendor/github.com/containerd/continuity/fs/hardlink.go b/vendor/github.com/containerd/continuity/fs/hardlink.go
new file mode 100644
index 000000000..762aa45e6
--- /dev/null
+++ b/vendor/github.com/containerd/continuity/fs/hardlink.go
@@ -0,0 +1,43 @@
+/*
+ Copyright The containerd Authors.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+package fs
+
+import "os"
+
+// GetLinkInfo returns an identifier representing the node a hardlink is pointing
+// to. If the file is not hard linked then 0 will be returned.
+func GetLinkInfo(fi os.FileInfo) (uint64, bool) {
+ return getLinkInfo(fi)
+}
+
+// getLinkSource returns a path for the given name and
+// file info to its link source in the provided inode
+// map. If the given file name is not in the map and
+// has other links, it is added to the inode map
+// to be a source for other link locations.
+func getLinkSource(name string, fi os.FileInfo, inodes map[uint64]string) (string, error) {
+ inode, isHardlink := getLinkInfo(fi)
+ if !isHardlink {
+ return "", nil
+ }
+
+ path, ok := inodes[inode]
+ if !ok {
+ inodes[inode] = name
+ }
+ return path, nil
+}