find: warning: you have specified the global option -mindepth after the argument
-type, but global options are not positional, i.e., -mindepth affects tests
specified before it as well as those specified after it. Please specify global
options before other arguments.
find: warning: you have specified the global option -maxdepth after the argument
-type, but global options are not positional, i.e., -maxdepth affects tests
specified before it as well as those specified after it. Please specify global
options before other arguments.
Process substitution isn't specified by POSIX and makes shims break when called by a script that `export POSIXLY_CORRECT=1` (like gitflow [here](https://github.com/nvie/gitflow/blob/develop/git-flow#L78)).
Here we replace `grep -f <(cmd1) <(cmd2)` with `cmd2 | grep -F "$(cmd1)"` so that we can provide a string instead of a file descriptor and get the same result as before.
(Note: We also check if the result of `cmd1` is empty before running `grep` to get the same behavior as with `-f`. This also prevent crashes if null results are piped to `xargs` and fits nicely with the `with_shim_executable` function that already check the result of `$selected_version` before going on).
Fixes: #581
icongram.jgog.in is returning a 525 error through cloudflare for me. As far as I can tell, it has switched to icongr.am
This also matches the icon on the StackOverflow Tag link.
Issue: when asdf is first installed, there are no plugins, and running `asdf plugin-update --all` crashes because the plugin directory doesn't exist; similarly, the command crashes if the plugins directory exists yet doesn't contain any subdirectories.
Solution: This patch changes the directory loop from using a wildcard `plugins/*` to a more robust approach: first verify the plugins directory exists, then use the`find` command to list subdirectories and correctly handle the corner case of no subdirectories.
Future: Consider printing an error message and/or advice message. Consider automatically creating the plugins directory as needed. Consider prompting the user to install some popular plugins.
