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gst-uninstalled: make the bash prompt override optional

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When using a custom prompt the automatic override may not look good, so
provide a mechanism to disable it.

Document that the user will have to use GST_ENV manually when setting
the prompt to have a visual indicator of the gst-uninstalled
environment.
This commit is contained in:
Antonio Ospite 2019-03-08 17:38:43 +01:00
parent 887da9a04b
commit 8af2376bc0
2 changed files with 15 additions and 2 deletions
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14
README.md
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@ -136,7 +136,19 @@ built in a `build` directory you can simply run:
### Bash prompt
We automatically handle `bash` and set `$PS1` accordingly
We automatically handle `bash` and set `$PS1` accordingly.
If the automatic `$PS1` override is not desired (maybe you have a fancy custom prompt), set the `$GST_BUILD_DISABLE_PS1_OVERRIDE` environment variable to `TRUE` and use `$GST_ENV` when setting the custom prompt, for example with a snippet like the following:
```bash
...
if [[ -n "${GST_ENV-}" ]];
then
PS1+="[ ${GST_ENV} ]"
fi
...
```
### Zsh prompt

3
gst-uninstalled.py
View file

@ -14,6 +14,7 @@ import tempfile
import pathlib
from distutils.sysconfig import get_python_lib
from distutils.util import strtobool
from common import get_meson
from common import git
@ -229,7 +230,7 @@ if __name__ == "__main__":
args += ['/k', 'prompt [gst-{}] $P$G'.format(gst_version)]
else:
args = [os.environ.get("SHELL", os.path.realpath("/bin/sh"))]
if "bash" in args[0]:
if "bash" in args[0] and not strtobool(os.environ.get("GST_BUILD_DISABLE_PS1_OVERRIDE", r"FALSE")):
bashrc = os.path.expanduser('~/.bashrc')
if os.path.exists(bashrc):
tmprc = tempfile.NamedTemporaryFile(mode='w')