after I run git gc --prune=now the file .git/refs/heads/master is deleted
how to recreate it? a remote application needs to read its text content (commit hash)
.git/HEAD content : ref: refs/heads/master
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is `git pull` sufficient? – ti7 Jul 21 '22 at 21:46
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@ti7 this repo is used just to commit and push to another bare repo – geek175 Jul 21 '22 at 21:51
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Do not completely alter your question, especially after others have answered. – matt Jul 23 '22 at 13:06
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If the file does not exist, you're not supposed to be using the file: the branch hash ID is now stored somewhere else. Use git rev-parse or git for-each-ref to avoid depending on how the branch's value is stored.
If you have bad software you cannot fix, the trick to getting the branch file re-created is currently to make Git think that branch master has been modified. To do that, make a commit and then un-make it, or use git reset to reset it to where it is; but remember that anything that works today might start failing tomorrow. Someday there won't be any files here, so that case-sensitive branch names work on Windows.
torek
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git gc packs refs and objects. Packed refs are stored in .git/packed-refs. There are many internal files under .git. Do not directly read these files. Use git commands instead, like git rev-parse refs/heads/master or git for-each-ref refs/heads/master or git log -1 --pretty=%H refs/heads/master.
ElpieKay
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git ls-remote <repo> refs/heads/master is the solution, it works with both local and remote repositories
geek175
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1`git ls-remote` reads the commit of the master branch in the remote repository. The commit could be different from the master branch in the local repository. – ElpieKay Jul 22 '22 at 06:27
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@ElpieKay: I think that was the OPs goal (that is, the question was "how do I read the hash ID from a remote repository that happens to be, at the moment, readable via a mounted drive"). – torek Jul 22 '22 at 18:43