Both are derived uses, but breaking in seems slightly more distant than the more recent usage of hackathon.
"Hack job" predates computers. The oldest form known means "to cut irregularly or inexpertly", with industrial revolution era uses similar to to people saying "AI slop" in the last year or two: https://english.stackexchange.com/questions/211750/where-did...
"The" jargon file says "[originally, someone who makes furniture with an axe]", while other sources claim it's the name of a tool that functions much like an axe or a mattock, or such an action as one might use the item for:
"""In fact, the OED also defines hack as a tool for breaking or chopping up, dating from before 1300:
He lened him þan a-pon his hak, Wit seth his sun þus-gat he spak.
And hacker follows. From 1620:
One good hacker, being a lusty labourer, will at good ease hack or cut more than half an acre of ground in a day."""
"Hack job" predates computers. The oldest form known means "to cut irregularly or inexpertly", with industrial revolution era uses similar to to people saying "AI slop" in the last year or two: https://english.stackexchange.com/questions/211750/where-did...
"The" jargon file says "[originally, someone who makes furniture with an axe]", while other sources claim it's the name of a tool that functions much like an axe or a mattock, or such an action as one might use the item for:
"""In fact, the OED also defines hack as a tool for breaking or chopping up, dating from before 1300:
He lened him þan a-pon his hak, Wit seth his sun þus-gat he spak. And hacker follows. From 1620:
One good hacker, being a lusty labourer, will at good ease hack or cut more than half an acre of ground in a day."""
- https://english.stackexchange.com/questions/70658/what-does-...