Changelog — factual/drake 1.0.3

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1.0.3

Added %context directive, which allows included scripts to use their native working directories (thanks chenguo)

If you have no SHELL environment variable when running a command, we now default to /bin/sh
Added support for environment variable DRAKE_JAR to let you store drake elsewhere

Trimmed dependencies: Removed Factual API features; Upgraded to c4 version 0.2.1 which dropped 3rd party API dependencies.
Upgraded to Clojure 1.6.0

Created core/DEFAULT-TARGETV constant; use in clj_frontend
Added with-ns macro to support c4 runtime dependency resolution
Added support for quoting filenames, to permit filenames that otherwise look like drake rules
Added --var x=y --var a=b syntax, as better version of --vars x=y,a=b
Added --graph option to help visualize a workflow
Added handy drake script for convenience and better customized hadoop client version.

Allow unindented blank lines in step definitions, as per #72
BASE var default is now the workflow directory rather than empty string, as per #148
Prefixed (HDFS, S3) paths are now treated as absolute/off-base, as per #157
Fix some bugs related to parsing, and to over-optimistically running shell expansions

Made it easier to run drake from inside a clojure repl/nrepl session (removing System/exit calls)
Generally improved error-message output, esp. removing repetitive or useless spam and adding line/column number to parse errors
Upgraded to Clojure 1.6
Numerous performance improvements, which may actually be noticeable on large workflows

bugfix: #98 --help now doesn't run workflow (thanks marshallshen)
Upgrade to c4 0.2.0, which no longer bundles the Facebook API
Basic functionality working for Windows sytems, specifically, Windows 8/command shell.
bugfix: #11 FileSystem plugins get wired up properly (thanks derenrich)
Initial fix for #118 to handle quotes better in shell commands (thanks myronahn)
Fixes and documentation for core.run-workflow
Add node (Javascript) protocol (thanks arowla)
Upgrade c4 to version 0.2.0, which drops bundling of Facebook Places API support
Supprot for command line var regex

Added support for async execution of steps via --jobs (thanks guillaume and myronahn). See Async Execution of Steps
Added support for plugins via --plugins. See Plugins wiki page
Internal cleanup of drake.fs design (thanks stanistan)

Default workflow filename changed from workflow.d to Drakefile
Significant parsing speed up for large files (>x10)
BASE variable:
bugfix: wasn't being picked up if set through environment
bugfix: wasn't correctly working with := (#14)
--base command-line flag supported
Added preference for getting Hadoop config location from HADOOP_HOME environment variable. Addresses #35
Added support for S3 (thanks howech) (#60)

= are now allowed in filenames
: are now allowed in filenames (Drake will default to local file system instead of issuing "invalid filesystem" error, i.e. bad:name -> file:bad:name)
CLI changes:
CLI is now getopt-compliant (i.e. one could do drake -aw my-workflow.d)
-d doesn't work any more for debugging info: only --debug (-d reserved for future use)
--debug prints much less info now, --trace added for more verbose output
Added checking for conflicting options (i.e. --preview vs --print).
Help is now printed nicely
Added --step-delay to specify the amount of time, in milliseconds, to wait after each step. Should help with desynchronized filesystems.
bugfixes: #34

Drake now works with Drip which allows to bring down startup time essentially to zero in most cases.
Added support for R ("R" protocol). See resources/regtest/regtest_interpreters.d for usage example.
Added --preview command-line option, which prints the same report of targets predicted to be built, but immediately exits afterwards instead of asking for user confirmation.
You can now use Drake from Clojure REPL by calling run-workflow function.

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