jcf · December 14, 2015 14:09 · Mar 6, 2013 · Mar 6, 2013
diff --git a/gource.bash b/gource.bash
@@ -6,7 +6,7 @@
 #   ffmpeg -i gource.x264.mp4 -i music.mp3 -shortest dotfiles.mp4
 
 if [[ ! -d ".git/avatar" ]]; then
-  echo "Avatar directory .git/avatar missing. Have you run gource-gravatars?"
+  echo "Avatar directory .git/avatar missing. Have you run gource.bash?"
   exit -1
 fi
 

diff --git a/avatars.pl b/avatars.pl
@@ -0,0 +1,54 @@
+#!/usr/bin/perl
+#fetch Gravatars
+
+# From http://code.google.com/p/gource/wiki/GravatarExample
+
+use strict;
+use warnings;
+
+use LWP::Simple;
+use Digest::MD5 qw(md5_hex);
+use Thread::Pool::Simple;
+
+my $size       = 90;
+my $output_dir = '.git/avatar';
+
+system("no .git/ directory found in current path\n") unless -d '.git';
+
+mkdir($output_dir) unless -d $output_dir;
+
+open(GITLOG, q/git log --pretty=format:"%ae|%an" |/) or die("failed to read git-log: $!\n");
+
+my %processed_authors;
+
+sub fetch
+{
+    #try and fetch image
+    my ($name, $email, $author_image_file) = @_;
+    my $grav_url = "http://www.gravatar.com/avatar/".md5_hex(lc $email)."?d=404&s=".$size;
+
+    warn "fetching image for '$name' $email ($grav_url)...\n";
+
+    my $rc = getstore($grav_url, $author_image_file);
+    if($rc != 200) {
+        unlink($author_image_file);
+    }
+}
+
+my $pool = Thread::Pool::Simple->new(min => 10, max => 20, do => [\&fetch]);
+
+while(<GITLOG>) {
+    chomp;
+    my($email, $author) = split(/\|/, $_);
+
+    next if $processed_authors{$author}++;
+
+    my $author_image_file = $output_dir . '/' . $author . '.png';
+    #skip images we have
+    next if -e $author_image_file;
+
+    $pool->add(($author, $email, $author_image_file));
+}
+$pool->join();
+
+close GITLOG;
diff --git a/gource.bash b/gource.bash
@@ -0,0 +1,27 @@
+#!/usr/bin/env bash
+
+# To overlay an audio track on the resulting video use the following ffmpeg
+# command.
+#
+#   ffmpeg -i gource.x264.mp4 -i music.mp3 -shortest dotfiles.mp4
+
+if [[ ! -d ".git/avatar" ]]; then
+  echo "Avatar directory .git/avatar missing. Have you run gource-gravatars?"
+  exit -1
+fi
+
+gource -1280x720 \
+       --user-image-dir .git/avatar \
+       --stop-position 1.0 \
+       --bloom-intensity 0.18 \
+       --user-image-dir .git/avatar \
+       --highlight-all-users \
+       --output-framerate 60 \
+       --multi-sampling \
+       -1280x720 \
+       -a 0.3 \
+       --date-format %Y-%m-%d \
+       --disable-progress \
+       --seconds-per-day 0.05 \
+       --output-ppm-stream - \
+       | ffmpeg -y -b 10000K -r 60 -f image2pipe -vcodec ppm -i - -vcodec libx264 -threads 0 -bf 0 gource.x264.mp4