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Download all Apple open source OS X files at once UNIX
While it is well known that Mac OS X contains open source code, how to access and download that source code is perhaps less well known. Apple publishes all its open source code on their Apple Open Source site. However, this site makes you download each program individually, without an obvious option to download an entire OS X release at once (i.e., all public sources for 10.6.1).

So I wrote the following bash script to automate the download procedure. It downloads the individual tarballs for each program, expands them locally, and then rolls everything up into one big tarball for local storage. Some caveats are that this script does not build the code, and that you are bound by a variety of licenses which are not included here (because no Apple code is included here).
#!/usr/bin/env bash
# --- applesource.bash --- downloads source code for an entire Apple release

# Take input from command-line (use "10.5.8", "10.6.1", etc.)
  version="mac-os-x-`echo $* | tr -d "."`"

# URL:

# Announce beginning, and prepare a directory for the untarred sources
  echo "Preparing to download..."
  mkdir -p ${sources}
# Process the webpage for the locations of the tarballs themselves
  curl --silent ${URL} | sed -n 's/<a href="\(.*.tar.gz\)">/\1/p' | \
    while read line; do
      # Find and announce the name of the next tarball to be downloaded
        echo -e "\nDownloading `basename ${tarball}`..."

      # Download the tarball and keep Apple's original directory structure intact
        curl --create-dirs --output ${tarball} "${homepage}${line}"

      # Untar into the "sources" directory (see line 13)
        tar xfz "${tarball}" -C ${sources}


# Compress all sourcefiles into a single tarball for posterity
  echo "Creating ${version}.tar.gz from all sources..."
  tar cfvz "${version}.tar.gz" ${sources}

# Explicitly show that everything finished.
  echo "Done."

# I like for my Mac to talk to me, although sometimes this can be creepy.
  say "The source of ${version} is now ready."
Save the above somewhere on your path, make it executable (chmod a+x scriptname), and then run it with the version number you'd like to download: getsource 10.6.1, for instance. I am a bit shy about releasing my scripts, so please be gentle!

[robg adds: I tested this and it worked as described.]
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Download all Apple open source OS X files at once | 2 comments | Create New Account
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Download all Apple open source OS X files at once
Authored by: JwithiMacG5 on Oct 29, '09 10:01:06AM
You can also download the sources using Apple's DarwinBuild tool:

[ Reply to This | # ]
Download all Apple open source OS X files at once
Authored by: ehunt123 on Nov 02, '09 06:17:30AM

A talented OSX developer (person behind some of the AppleTV stuff it seems) has also posted the source to some automator actions/services to accomplish the same. I personally use the method mentioned via the first person, since you can build right from MacPorts, but it is a nice alternative:

You need his UnTar action--which is rather handy in other settings—in order for it to work.

[ Reply to This | # ]