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authorDavid Herrmann <dh.herrmann@gmail.com>2015-07-09 13:04:58 +0200
committerDavid Herrmann <dh.herrmann@gmail.com>2015-07-09 13:07:27 +0200
commit59658d1958a7990722240e23c25163e98aa013c8 (patch)
tree5fbef775e62b1d2bfc3ee64352b2985d1a5f8930 /src/shared
parentd8c64b7f90b053d7bdf8d83133d9a4cc5be788dd (diff)
boot: use BUILD_ID if VERSION_ID is not present
According to os-release(5), VERSION_ID is not mandatory and BUILD_ID only needs to be unique underneath VERSION_ID. Therefore, assuming a missing VERSION_ID field means 'empty', we can rely on BUILD_ID to be unique. Use BUILD_ID if VERSION_ID is not present. This way, rolling-release distros can still provide a proper os-release entry without crafting random VERSION_ID strings. This fixes #186.
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