Schedule a nanoc site to update via cron

crontab

SHELL=/bin/bash

#m h dom mon dow   command
# Update every Monday at 06:00hrs
00 06 * * Mon /bin/bash -l -c 'cd /home/sites/nanoc_site && script/publish'

gem_list.txt

*** LOCAL GEMS ***

adsf (1.1.1)
bundler (1.1.1, 1.0.22)
cri (2.2.1)
kramdown (0.13.5)
mime-types (1.17.2)
nanoc (3.3.2)
rack (1.4.1)
rake (0.9.2.2)
systemu (2.5.0)

publish

#!/bin/bash

# Redirect all output to a log file
# Ref: https://groups.google.com/forum/?fromgroups#!topic/nanoc/jd63isEH3H8
exec 2>&1 >> log/publish.log


# Ref: http://beginrescueend.com/workflow/scripting/
# Load RVM into a shell session *as a function*
if [[ -s "$HOME/.rvm/scripts/rvm" ]] ; then
  # First try to load from a user install
  source "$HOME/.rvm/scripts/rvm"
elif [[ -s "/usr/local/rvm/scripts/rvm" ]] ; then
  # Then try to load from a root install
  source "/usr/local/rvm/scripts/rvm"
else
  printf "ERROR: An RVM installation was not found.\n"
fi

echo "START"
date
git checkout master
git pull


# Update gems
gem cleanup
bundle


# Remove the previously compiled nanoc site
rm -rfv .output
rm -rfv tmp


# (Re)Build the nanoc site
#bundle exec nanoc compile
nanoc


# Publish the nanoc site
#bundle exec nanoc deploy --target live
nanoc deploy --target live


# Tag the git repository and exit
git tag "`date +published_%Y-%m-%d_%H%M%S`"
git push --tags
date
echo "DONE"

# Leave a space
echo

publish.log

# Sample output from running the cron job

START
Mon Mar 19 01:21:01 EDT 2012
Already up-to-date.
Cleaning up installed gems...
Attempting to uninstall nanoc-3.3.1
Executables and scripts will remain installed.
Successfully uninstalled nanoc-3.3.1
Attempting to uninstall cri-2.2.0
Successfully uninstalled cri-2.2.0
Attempting to uninstall bundler-1.0.22
Unable to uninstall bundler-1.0.22:
	Gem::InstallError: gem "bundler" is not installed
Attempting to uninstall adsf-1.0.1
Successfully uninstalled adsf-1.0.1
Clean Up Complete
Using rake (0.9.2.2) 
Using rack (1.4.1) 
Using adsf (1.1.1) 
Using cri (2.2.1) 
Using kramdown (0.13.5) 
Using mime-types (1.17.2) 
Using nanoc (3.3.2) 
Using systemu (2.5.0) 
Using bundler (1.1.rc.8) 
Your bundle is complete! Use `bundle show [gemname]` to see where a bundled gem is installed.
removed directory: `.output'
Loading site data...
Compiling site...
sending incremental file list
./

sent 40 bytes  received 15 bytes  36.67 bytes/sec
total size is 0  speedup is 0.00
Mon Mar 19 01:21:05 EDT 2012
DONE

ruby_version.txt

ruby 1.9.3p125 (2012-02-16 revision 34643) [i686-linux]

rvm_version.txt

rvm 1.10.3