Added to track feature verification for Bug 4372 - [Performance] make hardlinks for files in DEPLOY_DIR when possible
Example: # ls -lai tmp/deploy/rpm/x86_64/at-3.1.13-r5.x86_64.rpm tmp/work/x86_64-poky-linux/at/3.1.13-r5/deploy-rpms/x86_64/at-3.1.13-r5.x86_64.rpm 51123552 -rw-r--r-- 2 mihai users 34989 Jun 20 19:26 tmp/deploy/rpm/x86_64/at-3.1.13-r5.x86_64.rpm 51123552 -rw-r--r-- 2 mihai users 34989 Jun 20 19:26 tmp/work/x86_64-poky-linux/at/3.1.13-r5/deploy-rpms/x86_64/at-3.1.13-r5.x86_64.rpm
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