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idtools: move format override xattr to new function 

Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
This commit is contained in:
Giuseppe Scrivano 2024-06-13 12:04:50 +02:00
parent 53ad7a9487
commit f37aea9656
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1 changed files with 7 additions and 1 deletions
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8
pkg/idtools/idtools.go
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@ -373,6 +373,12 @@ type Stat struct {
Mode os.FileMode
}
// FormatContainersOverrideXattr will format the given uid, gid, and mode into a string
// that can be used as the value for the ContainersOverrideXattr xattr.
func FormatContainersOverrideXattr(uid, gid, mode int) string {
return fmt.Sprintf("%d:%d:0%o", uid, gid, mode&0o7777)
}
// GetContainersOverrideXattr will get and decode ContainersOverrideXattr.
func GetContainersOverrideXattr(path string) (Stat, error) {
var stat Stat
@ -413,7 +419,7 @@ func GetContainersOverrideXattr(path string) (Stat, error) {
// SetContainersOverrideXattr will encode and set ContainersOverrideXattr.
func SetContainersOverrideXattr(path string, stat Stat) error {
value := fmt.Sprintf("%d:%d:0%o", stat.IDs.UID, stat.IDs.GID, stat.Mode)
value := FormatContainersOverrideXattr(stat.IDs.UID, stat.IDs.GID, int(stat.Mode))
return system.Lsetxattr(path, ContainersOverrideXattr, []byte(value), 0)
}