install_gource_and_libav.sh

# 1.install gource using HomeBrew
$ brew install gource

# 2.install avconv
git clone git://git.libav.org/libav.git
cd libav 
# it will take 3-5 minutes to complie, be patient.
./configure --disable-yasm
make && make install 

# 3.generate a video for you repo.
$ /path/to/project_movie.sh project1 [project2] [project3]...

# It's Done!  Just share the video with your teammates, Have fun!

project_movie.sh

#!/bin/bash

for  project in $*; do
  if [[ ! -d "$project" ]]; then
		echo "'$project' not found"
		continue
	fi

	if [[ ! -d "$project/.git" ]]; then
		echo "'$project' is not valid git project"
		continue
	fi

	gource \
	    -s .06 \
	    -1280x720 \
	    --auto-skip-seconds .1 \
	    --multi-sampling \
	    --stop-at-end \
	    --key \
	    --highlight-users \
	    --hide mouse,progress \
	    --file-idle-time 0 \
	    --max-files 0  \
	    --background-colour 000000 \
	    --font-size 22 \
	    --title "$project" \
	    --output-ppm-stream - \
	    --output-framerate 30 \
	    $project \
	    | avconv -y -r 30 -f image2pipe -vcodec ppm -i - -b 65536K "$project.mp4"
done