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create hook: version-name
Expose a `version-name` hook. It is invoked *after* the traditional `RBENV_VERSION` lookup. Which means hook scripts can interrogate `$RBENV_VERSION_FILE` and/or `$RBENV_VERSION` (or use the executables). The hooks are then run, giving plugins a chance to alter `RBENV_VERSION`. Once the hooks have run, we now have (in `$RBENV_VERSION`) the actual version we want to use (or it's empty which defaults to `system` per normal). Lastly, the same logic remains for checking if the version exists, or trimming the `ruby-` prefix. Prime example: the ruby-bundler-ruby-version plugin can select a ruby by using the `ruby` directive from the `Gemfile` if a local `.ruby-version` doesn't exist.
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@ -8,6 +8,13 @@ if [ -z "$RBENV_VERSION" ]; then
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RBENV_VERSION="$(rbenv-version-file-read "$RBENV_VERSION_FILE" || true)"
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fi
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OLDIFS="$IFS"
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IFS=$'\n' scripts=(`rbenv-hooks version-name`)
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IFS="$OLDIFS"
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for script in "${scripts[@]}"; do
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source "$script"
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done
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if [ -z "$RBENV_VERSION" ] || [ "$RBENV_VERSION" = "system" ]; then
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echo "system"
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exit
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@ -2,6 +2,13 @@
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load test_helper
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export RBENV_HOOK_PATH="${RBENV_ROOT}/rbenv.d"
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create_hook() {
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mkdir -p "${RBENV_ROOT}/rbenv.d/version-name"
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cat > "${RBENV_ROOT}/rbenv.d/version-name/$1" <<<"$2"
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}
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create_version() {
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mkdir -p "${RBENV_ROOT}/versions/$1"
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}
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@ -22,6 +29,18 @@ setup() {
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assert_success "system"
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}
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@test "RBENV_VERSION can be overridden by hook" {
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create_version "1.8.7"
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create_version "1.9.3"
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RBENV_VERSION=1.8.7 run rbenv-version-name
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assert_success "1.8.7"
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create_hook test.bash "RBENV_VERSION=1.9.3"
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RBENV_VERSION=1.8.7 run rbenv-version-name
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assert_success "1.9.3"
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}
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@test "RBENV_VERSION has precedence over local" {
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create_version "1.8.7"
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create_version "1.9.3"
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