multi-gource.sh

#!/usr/bin/env bash

# Generates gource video out of multiple repositories.
# First, get a local branch/clone of each repository.
# Then, pass the repositories as command line arguments.
#
# Example:
# $ multi-gource.sh /path/to/repo1 /path/to/repo2

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

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

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

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

time gource $combined_log \
    -s 0.4 \
    -$resolution \
    --auto-skip-seconds 1 \
    --multi-sampling  \
    --highlight-users \
    --highlight-dirs \
    --file-extensions \
    --file-idle-time 0 \
    --max-files 0 \
    --hide mouse,progress \
    --key \
    --stop-at-end \
    --output-ppm-stream - \
    --output-framerate 30 \
    | avconv -y -r 30 -f image2pipe -vcodec ppm -i - -b 8192K $outfile

rm $combined_log