mirror of
https://gitea.com/mcereda/oam.git
synced 2026-02-10 06:04:24 +00:00
104 lines
2.2 KiB
Markdown
104 lines
2.2 KiB
Markdown
# GNU Make
|
|
|
|
1. [TL;DR](#tldr)
|
|
1. [Further readings](#further-readings)
|
|
1. [Sources](#sources)
|
|
|
|
## TL;DR
|
|
|
|
```makefile
|
|
# assign default values, but allow override
|
|
# usage: make override_me=new_value target
|
|
override override_me ?= default_value
|
|
|
|
|
|
# export variables for all programs to see
|
|
# only exported in the commands' sub-shells
|
|
export
|
|
|
|
# export specific variables only
|
|
export override_me
|
|
|
|
|
|
# assign shell command output as values
|
|
command_output = ${shell command with args}
|
|
|
|
|
|
target_name: target_specific_variable = value
|
|
target_name: dash_instead_of_underscore = ${subst _,-,${override_me}}
|
|
target_name: previous_target required_file.ext
|
|
${info output string}
|
|
echoed_command
|
|
@quiet_command
|
|
${MAKE} next_target
|
|
|
|
previous_target:
|
|
@quiet_command
|
|
|
|
next_target:
|
|
|
|
|
|
# load env files
|
|
-include .env
|
|
-include .env.local
|
|
|
|
|
|
# conditionals
|
|
ifeq "${shell uname}" "Darwin"
|
|
expiration_date = ${shell date -v "+365d" "+%FT%TZ"}
|
|
else ifeq "${shell uname}" "Linux"
|
|
expiration_date = ${shell date -d "+1 year" "+%FT%TZ"}
|
|
endif
|
|
```
|
|
|
|
```makefile
|
|
repository_name = $(shell basename $$(git rev-parse --show-toplevel))
|
|
|
|
override environment_id ?= dev
|
|
override tf_plan_file ?= ${environment_id}.tfplan
|
|
override tf_vars_file ?= ${environment_id}.tfvars
|
|
|
|
-include .env
|
|
export
|
|
|
|
pre-flight:
|
|
${info validating terraform's configuration…}
|
|
@terraform fmt -recursive
|
|
@terraform validate
|
|
|
|
ifeq "${destroy}" "1"
|
|
tf_destroy_switch = -destroy
|
|
endif
|
|
|
|
plan: pre-flight ${tf_vars_file}
|
|
${info planning ${environment_id}'s resources…}
|
|
@terraform plan ${tf_destroy_switch} -var-file='${tf_vars_file}' -input=false -out='${tf_plan_file}'
|
|
|
|
apply: plan ${tf_plan_file}
|
|
${info applying ${environment_id}'s plan}
|
|
@terraform apply '${tf_plan_file}'
|
|
```
|
|
|
|
## Further readings
|
|
|
|
- [Conditional syntax]
|
|
|
|
## Sources
|
|
|
|
All the references in the [further readings] section, plus the following:
|
|
|
|
- [Makefile variable initialization and export]
|
|
|
|
<!--
|
|
References
|
|
-->
|
|
|
|
<!-- Upstream -->
|
|
[conditional syntax]: https://www.gnu.org/software/make/manual/html_node/Conditional-Syntax.html
|
|
|
|
<!-- In-article sections -->
|
|
[further readings]: #further-readings
|
|
|
|
<!-- Others -->
|
|
[makefile variable initialization and export]: https://stackoverflow.com/questions/2838715/makefile-variable-initialization-and-export
|