Allowed distributions:
blag_90001 , blag_120000 , blag_140000 , debian , debian_6 , debian_7 , debian_8 , debian_9 , debian_10 , debian_11 , debian_12 , dragora_1_1 , dragora_2_0 , dragora_2_2 , dynebolic_2_5_2 , dynebolic_3_0_X , gnewsense_2_3 , gnewsense_3_0 , gnewsense_3_0_parkes , gnewsense_4_0 , guix_0_10 , guix , hyperbola , librecmc_1_4_9 , librecmc_1_5_0 , librecmc_1_5_1 , librecmc_1_5_2 , librecmc_1_5_3 , librecmc_1_5_4 , librecmc_1_5_5a , librecmc_1_5_7 , musix_2_0 , musix_3_0_1 , parabola , pureos_8_0 , pureos_9_0 , pureos_10_0 , replicant_1_5 , replicant_2_0 , replicant_2_2 , replicant_2_3 , replicant_4_0 , replicant_4_2 , replicant_6_0
Example: blag_90001,gnewsense_3_0,trisquel_4_0