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Implement plugin hook to customize executable path

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This feature allows the plugin to optionally change the executable path
of a shim prior to execution. This is useful when the plugin tool has
commands that may exist in multiple locations (like npm).
This commit is contained in:
Andrew Thauer 2018-04-25 22:18:34 -04:00
parent 27b5e21db3
commit d94e0223bf
2 changed files with 21 additions and 0 deletions
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6
bin/private/asdf-exec
View File

@ -27,6 +27,12 @@ for version in "${versions[@]}"; do
exit 127
fi
# custom plugin hook for executable path
if [ -f "${plugin_path}/bin/exec-path" ]; then
cmd=$(basename "$executable_path")
executable_path="$("${plugin_path}/bin/exec-path" "$install_path" "$cmd" "$executable_path")"
fi
if full_executable_path=$(get_executable_path "$plugin_name" "$version" "$executable_path"); then
if [ -f "$full_executable_path" ]; then
if [ -f "${plugin_path}/bin/exec-env" ]; then

15
docs/creating-plugins.md
View File

@ -57,6 +57,21 @@ If this script is not specified, asdf will look for the `bin` dir in an installa
Setup the env to run the binaries in the package.
#### bin/exec-path
Get the executable path for the specified version of the tool. Must print a string with the relative executable path. This allows the plugin to conditionally override the shim's specified executable path, otherwise return the default path specified by the shim.
```
Usage:
plugin/bin/exec-path <install-path> <command> <executable-path>
Example Call:
~/.asdf/plugins/foo/bin/exec-path "~/.asdf/installs/foo/1.0" "foo" "bin/foo"
Output:
bin/foox
```
#### bin/uninstall
Uninstalls a specific version of a tool.