ohmyzsh: Slow ohmyzsh start after PC restart due to Xcode git

Discussed in https://github.com/ohmyzsh/ohmyzsh/discussions/10690

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^{Originally posted by erychagov February 13, 2022} Hello. I notice that I have slow start of ohmyzsh. I found that the next line takes about 20 secs on my PC:

zcompdump_revision="#omz revision: $(builtin cd -q "$ZSH"; git rev-parse HEAD 2>/dev/null)"

I found this line in the $ZSH/oh-my-zsh.sh file. Why we need it? I want to find a way to speedup it.

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if you cd to $ZSH and then run

time git rev-parse HEAD

how long does it take?

git rev-parse HEAD 0.01s user 0.00s system 76% cpu 0.014 total

that looks normal. how did you determine the offending line? I’m assuming by adding echo or printf statements until you zeroed in on it?

You’re right! I used echo to find the line.

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Does this happen on each new terminal window?

Only first terminal window takes time

Do you see the same slow behavior when running

No.

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