mirror of https://github.com/docker/docs.git
60c89b306f
The previous instructions fixed situations where the directory
and file didn't exist, but had some issues remaining;
The `>>` _appends_ the content to the file; this would work if the file didn't
exist (before `touch`'ing it) but if there happened to be a file already, it
would append the content to the existing file, resulting in invalid JSON.
e.g. running it twice (which may be accidentally);
```bash
sudo echo '{"allowedOrgs":["myorg"]}' >> "/Library/Application Support/com.docker.docker/registry.json"
sudo echo '{"allowedOrgs":["myorg"]}' >> "/Library/Application Support/com.docker.docker/registry.json"
```
Would result in;
```bash
sudo cat "/Library/Application Support/com.docker.docker/registry.json"
{"allowedOrgs":["myorg"]}
{"allowedOrgs":["myorg"]}
```
(which is invalid JSON)
The `sudo echo` also had some issues; the `sudo` only applied to the `echo`, and
not to the piped output (see https://unix.stackexchange.com/questions/1416/redirecting-stdout-to-a-file-you-dont-have-write-permission-on);
```bash
$ sudo touch "/Library/Application Support/com.docker.docker/registry.json"
$ sudo echo '{"allowedOrgs":["myorg"]}' > "/Library/Application Support/com.docker.docker/registry.json"
bash: /Library/Application Support/com.docker.docker/registry.json: Permission denied
```
Instead, using `tee` to run as privileged process, similar to the approach taken
in
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| content | ||
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| configure-registry-json.md | ||
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