dg - Man Page
templating system/generator for distributions
Synopsis
dg [-h] [--version] [--projectdir PROJECTDIR] [--distro DIST] [--multispec MULTISPEC] [--multispec-selector MULTISPEC_SELECTOR] [--spec SPEC] [--output OUTPUT] [--macros-from PROJECTDIR] [--container CONTAINER_TYPE] [--macro MACRO] [--max-passes PASSES] [--keep-block-whitespaces] (--template TEMPLATE | --multispec-combinations)
Description
Generate script using predefined metadata about distribution and templates.
As an example of 'dg' usage, to generate _Dockerfile_ for Fedora 21 64-bit system, you may use command(s):
$ cd project/directory $ dg --spec docker-data.yaml \ --template docker.tpl
Options
- --version
show program's version number and exit
- --projectdir PROJECTDIR
Directory with project (defaults to CWD)
- --distro DIST
Use DIST distribution configuration. Either that DIST.yaml needs to exist in the distgen installation, or it can be any file within PROJECTDIR (relative or absolute file name).
- --multispec MULTISPEC
Use MULTISPEC yaml file to fill the TEMPLATE file
- --multispec-selector MULTISPEC_SELECTOR
Selectors for the multispec file
- --spec SPEC
Use SPEC yaml file to fill the TEMPLATE file
- --output OUTPUT
Write result to OUTPUT file instead of stdout
- --macros-from PROJECTDIR
Load variables from PROJECTDIR
- --container CONTAINER_TYPE
Container type, e.g. 'docker'
- --macro MACRO
Define distgen's macro
- --max-passes PASSES
Maximum number of rendering passes, defaults to 32
- --keep-block-whitespaces
Disable the jinja2 trim_blocks and lstrip_blocks options
- --template TEMPLATE
Use TEMPLATE file, e.g. docker.tpl or a template string, e.g. "{{ config.docker.from }}"
- --multispec-combinations
Print available multispec combinations
Author
Red Hat Databases team