Generate gource video out of bzr repositories for Ubuntu Touch Core Apps.

gource-ubuntu-core-apps.sh

#!/usr/bin/env bash

# Generate gource video out of bzr repositories for Ubuntu Touch Core Apps.
#
# Corey Goldberg 2013
#
#  Usage:
#  gource-ubuntu-core-apps.sh /path/to/repo1 /path/to/repo2
#
#  Example - generate video for all Ubuntu Touch Core Apps:
#  $ ./gource-ubuntu-core-apps.sh \
#        account-plugin-evernote \
#        dropping-letters \
#        music-app \
#        reminders-app \
#        stock-ticker-mobile-app \
#        sudoku-app ubuntu-calculator-app \
#        ubuntu-calendar-app \
#        ubuntu-clock-app \
#        ubuntu-docviewer-app \
#        ubuntu-emailclient-app \
#        ubuntu-facebook-app \
#        ubuntu-filemanager-app \
#        ubuntu-phone-commons \
#        ubuntu-rssreader-app \
#        ubuntu-terminal-app \
#        ubuntu-weather-app


outfile="gource.mp4"
resolution="1920x1080"


# get a bzr branch of each project
for repo in $*; do
    branch_command="bzr branch lp:"$repo
    echo $branch_command
    $branch_command
done

i=0
for repo in $*; do
    # generate a gource custom log file for each repo
    logfile="$(mktemp /tmp/gource.XXXXXX)"
    gource --output-custom-log "${logfile}" $repo
    # make each repo appear on a separate branch by adding
    # an extra parent directory to the path of the files in each project.
    sed -i -E "s#(.+)\|#\1|/${repo}#" ${logfile}
    logs[$i]=$logfile
    let i=$i+1
done

# generate the combined log
combined_log="$(mktemp /tmp/gource.XXXXXX)"
cat ${logs[@]} | sort -n > $combined_log
rm ${logs[@]}

# remove the branch directories after creating log
for repo in $*; do
    rm -rf $repo
done

# print the committers found
echo "Committers:"
cat $combined_log | awk -F\| {'print  $2'} | sort | uniq
echo "======================"

# run gource, piping output to avconv for video rendering
time gource $combined_log \
    -s 0.2 \
    -$resolution \
    --logo ubuntu_logo.png \
    --title "Ubuntu Touch Core Apps" \
    --auto-skip-seconds 1 \
    --multi-sampling  \
    --highlight-users \
    --file-extensions \
    --highlight-dirs \
    --file-idle-time 0 \
    --max-files 0 \
    --hide mouse,progress \
    --key \
    --stop-at-end \
    --output-ppm-stream - \
    --output-framerate 30 \
    --background-colour 000000 \
    --default-user-image user_icon.png \
    --colour-images \
    --font-size 28 \
    | avconv -y -r 30 -f image2pipe -vcodec ppm -i - -b 8192K $outfile

# remove the log when done
rm $combined_log