"And do Jewish prisoners always get kosher food?
And do we do this no-ham-to-Muslims routine in U.S. jails?
And do vegetarian prisoners get special diets? "
Yes, pretty much.
In Saudi Arabia in the early 1980s, the U S Army Commissary on the embassy compound in Jeddah sold all sorts of pork products. Eventually commissary management noted that there were an awful lot of pork products going missing, so they had to issue ration cards for the embassy staff and military assignees. That stopped the pilfering. The pork products were disappearing out the back door, thanks to the Eritrean employees, who are Christians; they sold what they didn't eat to the Filipinos.
We took a great deal of pleasure BBQing pork products on the balconies of our quarters during ramadan, before sundown.