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CLI version option #32

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2 changes: 2 additions & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -170,6 +170,8 @@ A terminal help page can be shown by using the `-h`/`--help` option.
| `-p`, `--plugin` | `PLUGIN` | No | Load `PLUGIN` as a plugin. |
| `--disable-core-plugins` | - | No | Disable all core plugins. |
| `--plugin-dir` | `PLUGIN_DIR` | No | Load all plugins in `PLUGIN_DIR`. |
| `--version` | | No | Prints current version of snowsaw |


## Configuration
snowsaw uses [JSON](http://json.org) configuration files to specify tasks on how to set up your dotfiles.
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26 changes: 25 additions & 1 deletion snowsaw/cli.py
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Expand Up @@ -8,6 +8,7 @@
from argparse import ArgumentParser
import glob
import os
import subprocess

from .config import ConfigReader, ReadingError
from .dispatcher import Dispatcher, DispatchError
Expand All @@ -27,11 +28,12 @@ def add_options(parser):
parser.add_argument('-q', '--quiet', dest='quiet', action='store_true', help='suppress most output')
parser.add_argument('-v', '--verbose', dest='verbose', action='store_true', help='enable verbose output')
parser.add_argument('-s', '--snowblocks-directory', nargs=1, dest='snowblocks_directory',
help='base snowblock directory to run all tasks of', metavar='SNOWBLOCKSDIR', required=True)
help='base snowblock directory to run all tasks of', metavar='SNOWBLOCKSDIR')
parser.add_argument('-c', '--config-file', nargs=1, dest='config_file', help='run tasks for the specified snowblock', metavar='CONFIGFILE')
parser.add_argument('-p', '--plugin', action='append', dest='plugins', default=[], help='load PLUGIN as a plugin', metavar='PLUGIN')
parser.add_argument('--disable-core-plugins', dest='disable_core_plugins', action='store_true', help='disable all core plugins')
parser.add_argument('--plugin-dir', action='append', dest='plugin_dirs', default=[], metavar='PLUGIN_DIR', help='load all plugins in PLUGIN_DIR')
parser.add_argument('--version', action='store_true', help='print snowsaw version')


def read_config(config_file):
Expand All @@ -58,6 +60,28 @@ def main():
add_options(parser)
options = parser.parse_args()

if options.version :
"""
Just print version end exit. Don't need to process other arguments.
Change directory to ensure git-related commands are called inside
snowsaw repository and than change it back
"""
caller_dir = os.getcwd()
snowsaw_dir = os.path.dirname(os.path.realpath(__file__))
os.chdir(snowsaw_dir)
try:
current_version = subprocess.check_output(["git", "describe"]).strip()
except subprocess.CalledProcessError as Error :
current_version = "Not tagged (development) version"
print(current_version)
os.chdir(caller_dir)
return current_version
elif not options.snowblocks_directory :
"""
Since it's not a version request, check required arguments existance
"""
parser.error("argument -s/--snowblocks-directory is required")

if options.super_quiet:
log.set_level(Level.WARNING)
if options.quiet:
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