git grepfor the first time on a large tree (the Linux kernel).
This takes a long time to run. If I cancel with ctrl+C before it finishes, often it immediately shows a line it found.
git grepnot show the line immediately, when it found it?
$ rpm -q git git-2.17.2-1.fc28.x86_64
git grep output is buffered by
less. (In most cases. It can be changed using various configuration options, if you need to).
The reason I did not notice this, is that
git grep does not show the
less pager footer when there is less than one screen of output. However, the output is still buffered. (I can see that
less is running, by opening another terminal and running