Git-hooks pre-push script does not receive input via STDIN
The git-hooks pre-push documentation states that the first line of stdin will be populated with the local ref and sha, and the remote ref and sha as such:
<local ref> SP <local sha1> SP <remote ref> SP <remote sha1> LF
However, my simple pre-push script:
#!/bin/bash echo "params=[$@]" read line echo "stdin=[$line]" exit 1
returns the following output when a
$git push is run:
params=[origin [url]:[branch].git] stdin= error: failed to push some refs to '[remote]'
The parameters to the script are as specified in the documentation (name and path of the remote). The error is expected because my script exits with a status of 1. However, I can’t seem to figure out why I’m not receiving the local and remote refs on stdin as specified by the documentation.
Is this a bug in git? Or, am I missing something?
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Apologies if this is stating the obvious, but if there’s nothing to push, you won’t get any lines on stdin. The sample
.git/hooks/pre-push.sample has a while loop:
IFS=' ' while read local_ref local_sha remote_ref remote_sha do ... done
and that appears to work when I try it here with an echo inside that loop and nothing else – I get nothing when I have nothing to push, and output when I do.