the.com/merge conflict
two people edited the same line of code and now git demands you pick a parent.
means a version-control standoff where incompatible changes to the same file can't be automatically combined, so a human has to decide what survives.
from emerged with collaborative version control systems in the 1980s-90s, formalized by tools like cvs and later git, where diff-and-patch logic breaks down the moment two edits overlap.
marker syntaxless-than signs literally shout HEAD versus incoming
not a bugit is git working exactly as designed
team signalfrequent conflicts often mean poor task splitting
resolved bya human, not the algorithm, makes the final call
for instance
linux kernel merges — linus torvalds built git in 2005 partly to handle this at scale
github pull requests — conflict warnings block millions of merges yearly across repos
monorepo teams — google and meta invest heavily in tooling to reduce conflict frequency