luzifer/envrun
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Signed-off-by: Knut Ahlers <knut@ahlers.me>
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# Luzifer / envrun # Luzifer / envrun
`envrun` is a small helper utility I wrote for myself to debug programs and scripts during their development expecting environment variables to be set to special values. Sure there is [gin](https://github.com/codegangsta/gin) for go webservers doing the same but I wanted something also for commandline utilities. `envrun` is a small helper utility I wrote for myself to debug programs and scripts during their development expecting environment variables to be set to special values. Sure there is [gin](https://github.com/codegangsta/gin) for go webservers doing the same but I wanted something also for commandline utilities.
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# envrun --help # envrun --help
Usage of envrun: Usage of envrun:
--clean[=false]: Do not pass current environment to child process --clean Do not pass current environment to child process
--env-file=".env": Location of the environment file --encryption string Encryption method used for encrypted env-file (Available: openssl-md5) (default "openssl-md5")
--q[=false]: Suppress informational messages from envrun --env-file string Location of the environment file (default ".env")
--log-level string Log level (debug, info, warn, error, fatal) (default "info")
-p, --password string Password to decrypt environment file
--password-file string Read encryption key from file
--q Suppress informational messages from envrun (DEPRECATED, use --log-level=warn)
--version Prints current version and exits
# envrun python test.py | grep MY_TEST_VAR # envrun python test.py | grep MY_TEST_VAR
MY_TEST_VAR = hello world MY_TEST_VAR = hello world
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## Encrypted `.env`-file ## Encrypted `.env`-file
In case you don't want to put the environment variables into a plain text file onto your disk you can use an AES256 encrypted file and provide a password to `envrun`: In case you don't want to put the environment variables into a plain text file onto your disk you can use an encrypted file and provide a password to `envrun`:
### OpenSSL AES256 encryption
Pay attention on the `-md md5` flag: OpenSSL 1.1.0f and newer uses an incompatible hasing algorithm for the passwords!
```bash ```bash
# echo 'MYVAR=myvalue' | openssl enc -e -aes-256-cbc -pass pass:justatest -base64 -out .env # echo 'MYVAR=myvalue' | openssl enc -e -aes-256-cbc -pass pass:justatest -md md5 -base64 -out .env
# cat .env # cat .env
U2FsdGVkX18xcVIMejjwWzh1DppzptJCHhORH/JDj10= U2FsdGVkX18xcVIMejjwWzh1DppzptJCHhORH/JDj10=