Hey
in my first trimester i did a month where i ate NO fruit / veg in ANY form. 
In a block of 3 weeks i only had 1 "meal"
I have always been really extra healthy, and pretty much, i ate chips / crisps / chocolate bars / biscuits. and drank (1 drink at a time for 24 - 48 hours per drink, coke, dr pepper, lucozade, tango, nasty squashes with aspartane in etc etc)
I did have HG, and was very very very sick (and ended up in hospital with it) but all the drs / midwives couldnt care less that i ate nothing / only junk.
I also switched from preg vits backs to folic acid at 7 weeks, then from 8 weeks no folic acid either, (as it made me sick and it was an uphill battle keeping hydrated so making myself sick by taking tablets (that id vomit and not benefit at all from anyway was pointless)
Dont worry about it. It is not ususual to only eat junk in the 1st trimester, baby WILL be fine, and even the midwives were not bothered when i gave up folic acid at 8 weeks as i had had it for 5 months before getting pregnant.
I started to eat better from around 16 weeks
am 26 weeks now and despite anti-sick tablets, still vomiting, but hey ho, at least i mostly eat well again and dont feel like death.
hope you feel better soon