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ed34cb0d YO |
1 | #!/usr/bin/perl |
2 | use strict; | |
3 | use warnings; | |
4 | use POSIX qw(strftime); | |
5 | ||
6 | use base qw/Exporter/; | |
7 | our @EXPORT_OK=qw(iso_time_with_dot gen_dot_patch); | |
8 | ||
9 | sub iso_time_with_dot { | |
10 | strftime "%Y-%m-%d.%H:%M:%S",gmtime(shift||time) | |
11 | } | |
12 | ||
13 | # generate the contents of a .patch file for an arbitrary commitish, or for HEAD if none is supplied | |
14 | # assumes the CWD is inside of a perl git repository. If the repository is bare then refs/heads/* | |
15 | # is used to determine the branch. If the repository is not bare then refs/remotes/origin/* is used | |
16 | # to determine the branch. (The assumption being that if its bare then this is running inside of | |
17 | # the master git repo - if its not bare then it is a checkout which may not have all the branches) | |
18 | sub gen_dot_patch { | |
19 | my $target= shift || 'HEAD'; | |
20 | chomp(my ($git_dir, $is_bare, $sha1)=`git rev-parse --git-dir --is-bare-repository $target`); | |
21 | die "Not in a git repository!" if !$git_dir; | |
22 | $is_bare= "" if $is_bare and $is_bare eq 'false'; | |
23 | ||
24 | # which branches to scan - the order here is important, the first hit we find we use | |
25 | # so if two branches can both reach a ref we want the right one first. | |
26 | my @branches=( | |
27 | 'blead', | |
28 | 'maint-5.10', | |
29 | 'maint-5.8', | |
30 | 'maint-5.8-dor', | |
31 | 'maint-5.6', | |
32 | 'maint-5.005', | |
33 | 'maint-5.004', | |
34 | # and more generalized searches... | |
35 | 'refs/heads/*', | |
36 | 'refs/remotes/*', | |
37 | 'refs/*', | |
38 | ); | |
39 | my $reftype= $is_bare ? "heads" : "remotes/origin"; | |
40 | my $branch; | |
41 | foreach my $name (@branches) { | |
42 | my $refs= $name=~m!^refs/! ? $name : "refs/$reftype/$name"; | |
43 | my $cmd= "git name-rev --name-only --refs=$refs $sha1"; | |
44 | chomp($branch= `$cmd`); | |
45 | last if $branch ne 'undefined'; | |
46 | } | |
47 | for ($branch) { | |
48 | $_ ||= "error"; # hmm, we didnt get /anything/ from name-rev? | |
49 | s!^\Q$reftype\E/!! || # strip off the reftype | |
50 | s!^refs/heads/!! || # possible other places it was found | |
51 | s!^refs/remotes/!! || # ... | |
52 | s!^refs/!!; # might even be a tag or something weirdo... | |
53 | s![~^].*\z!!; # strip off how far we are from the item | |
54 | } | |
55 | my $tstamp= iso_time_with_dot(`git log -1 --pretty="format:%ct" $sha1`); | |
11a59587 | 56 | chomp(my $describe= `git describe $sha1`); |
ed34cb0d YO |
57 | join(" ", $branch, $tstamp, $sha1, $describe); |
58 | } | |
59 | ||
60 | 1; |