#!/usr/bin/perl -w # To use this script: symlink it to .git/hooks/pre-push, then "git push" # # This script is called by "git push" after it has checked the remote status, # but before anything has been pushed. If this script exits with a non-zero # status nothing will be pushed. # # This hook is called with the following parameters: # # $1 -- Name of the remote to which the push is being done # $2 -- URL to which the push is being done # # If pushing without using a named remote those arguments will be equal. # # Information about the commits which are being pushed is supplied as lines to # the standard input in the form: # # <local ref> <local sha1> <remote ref> <remote sha1> use warnings; use strict; my $remote = $ARGV[0]; my $url = $ARGV[1]; #print("remote: $remote\n"); #print("url: $url\n"); $url =~ s/\.git$//; # change myorg/myproject.git to myorg/myproject $url =~ s#^git\@github\.com\:#https://github.com/#i; my $commiturl = $url =~ /\Ahttps?:\/\/github.com\// ? "$url/commit/" : ''; my $z40 = '0000000000000000000000000000000000000000'; my $reported = 0; while (<STDIN>) { chomp; my ($local_ref, $local_sha, $remote_ref, $remote_sha) = split / /; #print("local_ref: $local_ref\n"); #print("local_sha: $local_sha\n"); #print("remote_ref: $remote_ref\n"); #print("remote_sha: $remote_sha\n"); my $range = ''; if ($remote_sha eq $z40) { # New branch, examine all commits $range = $local_sha; } else { # Update to existing branch, examine new commits $range = "$remote_sha..$local_sha"; } my $gitcmd = "git log --reverse --oneline --no-abbrev-commit '$range'"; open(GITPIPE, '-|', $gitcmd) or die("\n\n$0: Failed to run '$gitcmd': $!\n\nAbort push!\n\n"); while (<GITPIPE>) { chomp; if (/\A([a-fA-F0-9]+)\s+(.*?)\Z/) { my $hash = $1; my $msg = $2; if (!$reported) { print("\nCommits expected to be pushed:\n"); $reported = 1; } #print("hash: $hash\n"); #print("msg: $msg\n"); print("$commiturl$hash -- $msg\n"); } else { die("$0: Unexpected output from '$gitcmd'!\n\nAbort push!\n\n"); } } die("\n\n$0: Failing exit code from running '$gitcmd'!\n\nAbort push!\n\n") if !close(GITPIPE); } print("\n") if $reported; exit(0); # Let the push go forward. # vi: set ts=4 sw=4 expandtab: