| #!/usr/bin/perl |
| use strict; |
| use warnings; |
| use POSIX qw(strftime); |
| |
| use base qw/Exporter/; |
| our @EXPORT_OK=qw(iso_time_with_dot gen_dot_patch); |
| |
| sub iso_time_with_dot { |
| strftime "%Y-%m-%d.%H:%M:%S",gmtime(shift||time) |
| } |
| |
| # generate the contents of a .patch file for an arbitrary commitish, or for HEAD if none is supplied |
| # assumes the CWD is inside of a perl git repository. If the repository is bare then refs/heads/* |
| # is used to determine the branch. If the repository is not bare then refs/remotes/origin/* is used |
| # to determine the branch. (The assumption being that if its bare then this is running inside of |
| # the master git repo - if its not bare then it is a checkout which may not have all the branches) |
| sub gen_dot_patch { |
| my $target= shift || 'HEAD'; |
| chomp(my ($git_dir, $is_bare, $sha1)=`git rev-parse --git-dir --is-bare-repository $target`); |
| die "Not in a git repository!" if !$git_dir; |
| $is_bare= "" if $is_bare and $is_bare eq 'false'; |
| |
| # which branches to scan - the order here is important, the first hit we find we use |
| # so if two branches can both reach a ref we want the right one first. |
| my @branches=( |
| 'blead', |
| 'maint-5.10', |
| 'maint-5.8', |
| 'maint-5.8-dor', |
| 'maint-5.6', |
| 'maint-5.005', |
| 'maint-5.004', |
| # and more generalized searches... |
| 'refs/heads/*', |
| 'refs/remotes/*', |
| 'refs/*', |
| ); |
| my $reftype= $is_bare ? "heads" : "remotes/origin"; |
| my $branch; |
| foreach my $name (@branches) { |
| my $refs= $name=~m!^refs/! ? $name : "refs/$reftype/$name"; |
| my $cmd= "git name-rev --name-only --refs=$refs $sha1"; |
| chomp($branch= `$cmd`); |
| last if $branch ne 'undefined'; |
| } |
| for ($branch) { |
| $_ ||= "error"; # hmm, we didnt get /anything/ from name-rev? |
| s!^\Q$reftype\E/!! || # strip off the reftype |
| s!^refs/heads/!! || # possible other places it was found |
| s!^refs/remotes/!! || # ... |
| s!^refs/!!; # might even be a tag or something weirdo... |
| s![~^].*\z!!; # strip off how far we are from the item |
| } |
| my $tstamp= iso_time_with_dot(`git log -1 --pretty="format:%ct" $sha1`); |
| chomp(my $describe= `git describe $sha1`); |
| join(" ", $branch, $tstamp, $sha1, $describe); |
| } |
| |
| 1; |