79 lines
2.4 KiB
Perl
79 lines
2.4 KiB
Perl
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#!/usr/bin/perl -w
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# To use this script: symlink it to .git/hooks/pre-push, then "git push"
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#
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# This script is called by "git push" after it has checked the remote status,
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# but before anything has been pushed. If this script exits with a non-zero
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# status nothing will be pushed.
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#
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# This hook is called with the following parameters:
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#
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# $1 -- Name of the remote to which the push is being done
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# $2 -- URL to which the push is being done
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#
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# If pushing without using a named remote those arguments will be equal.
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#
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# Information about the commits which are being pushed is supplied as lines to
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# the standard input in the form:
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#
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# <local ref> <local sha1> <remote ref> <remote sha1>
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use warnings;
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use strict;
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my $remote = $ARGV[0];
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my $url = $ARGV[1];
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#print("remote: $remote\n");
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#print("url: $url\n");
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$url =~ s/\.git$//; # change myorg/myproject.git to myorg/myproject
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$url =~ s#^git\@github\.com\:#https://github.com/#i;
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my $commiturl = $url =~ /\Ahttps?:\/\/github.com\// ? "$url/commit/" : '';
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my $z40 = '0000000000000000000000000000000000000000';
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my $reported = 0;
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while (<STDIN>) {
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chomp;
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my ($local_ref, $local_sha, $remote_ref, $remote_sha) = split / /;
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#print("local_ref: $local_ref\n");
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#print("local_sha: $local_sha\n");
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#print("remote_ref: $remote_ref\n");
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#print("remote_sha: $remote_sha\n");
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my $range = '';
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if ($remote_sha eq $z40) { # New branch, examine all commits
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$range = $local_sha;
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} else { # Update to existing branch, examine new commits
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$range = "$remote_sha..$local_sha";
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}
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my $gitcmd = "git log --reverse --oneline --no-abbrev-commit '$range'";
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open(GITPIPE, '-|', $gitcmd) or die("\n\n$0: Failed to run '$gitcmd': $!\n\nAbort push!\n\n");
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while (<GITPIPE>) {
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chomp;
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if (/\A([a-fA-F0-9]+)\s+(.*?)\Z/) {
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my $hash = $1;
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my $msg = $2;
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if (!$reported) {
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print("\nCommits expected to be pushed:\n");
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$reported = 1;
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}
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#print("hash: $hash\n");
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#print("msg: $msg\n");
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print("$commiturl$hash -- $msg\n");
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} else {
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die("$0: Unexpected output from '$gitcmd'!\n\nAbort push!\n\n");
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}
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}
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die("\n\n$0: Failing exit code from running '$gitcmd'!\n\nAbort push!\n\n") if !close(GITPIPE);
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}
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print("\n") if $reported;
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exit(0); # Let the push go forward.
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