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Add node support aliases (#619)
* Basic implementation of node support aliases * Add documentation for node support aliases, drop all from first implementation * Make wording more accurate * Rename testing hook * Modify markdown for keys * Add node support alias for supported, add tests
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John Gee
GitHub
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@ -86,7 +86,7 @@ Execute `n` on its own to view your downloaded versions, and install the selecte
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Use up/down arrow keys to select a version, return key to install, d to delete, q to quit
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(You can also use `j` and `k` to navigate up or down without using arrows.)
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(You can also use <kbd>j</kbd> and <kbd>k</kbd> to navigate up or down without using arrows.)
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If the active node version does not change after install, try opening a new shell in case seeing a stale version.
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@ -109,10 +109,14 @@ There is a label to read the target version from a file, on the first line:
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- `auto`: read version from `.n-node-version` file
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There is support for release streams:
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There is support for the named release streams:
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- `argon`, `boron`, `carbon`: codenames for LTS release streams
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These node support aliases may be used, although for now simply resolve to the latest matching version:
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- `active`, `lts_active`, `lts_latest`, `lts`, `current`, `supported`
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The last form is for specifying [other releases](https://nodejs.org/download) available using the name of the remote download folder optionally followed by the complete or incomplete version.
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- `chakracore-release/latest`
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34
bin/n
34
bin/n
@ -245,6 +245,32 @@ function is_exact_numeric_version() {
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[[ "$1" =~ ^[v]{0,1}[0-9]+\.[0-9]+\.[0-9]+$ ]]
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}
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#
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# Synopsis: is_node_support_version version
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# Reference: https://github.com/nodejs/package-maintenance/issues/236#issue-474783582
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#
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function is_node_support_version() {
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[[ "$1" =~ ^(active|lts_active|lts_latest|lts|current|supported)$ ]]
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}
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#
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# Synopsis: display_latest_node_support_alias version
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# Map aliases onto existing n aliases, current and lts
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#
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function display_latest_node_support_alias() {
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case "$1" in
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"active") printf "current" ;;
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"lts_active") printf "lts" ;;
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"lts_latest") printf "lts" ;;
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"lts") printf "lts" ;;
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"current") printf "current" ;;
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"supported") printf "current" ;;
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*) printf "unexpected-version"
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esac
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}
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#
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# Functions used when showing versions installed
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#
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@ -336,6 +362,8 @@ Versions:
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latest, current Newest official release
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auto Read version from .n-node-version
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boron, carbon Codenames for release streams
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lts_latest node support aliases
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and nightly, chakracore-release/latest, rc/10 et al
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EOF
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@ -967,6 +995,10 @@ function display_remote_versions() {
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update_mirror_settings_for_version "${version}"
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local match='.'
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local match_count="${N_MAX_REMOTE_MATCHES}"
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if is_node_support_version "${version}"; then
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version="$(display_latest_node_support_alias "${version}")"
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match_count=1
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fi
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if [[ -z "${version}" ]]; then
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match='.'
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elif [[ "${version}" = "lts" || "${version}" = "stable" ]]; then
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@ -1319,7 +1351,7 @@ else
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lsr|ls-remote|list-remote) shift; display_remote_versions "$1"; exit ;;
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uninstall) uninstall_installed; exit ;;
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i|install) shift; install "$1"; exit ;;
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N_MOCK_DISPLAY_LATEST_RESOLVED_VERSION) shift; display_latest_resolved_version "$1"; exit ;;
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N_TEST_DISPLAY_LATEST_RESOLVED_VERSION) shift; display_latest_resolved_version "$1"; exit ;;
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*) install "$1"; exit ;;
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esac
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shift
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@ -15,14 +15,14 @@ function setup() {
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@test "auto, missing file" {
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cd "${MY_DIR}"
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rm -f .n-node-version
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run n N_MOCK_DISPLAY_LATEST_RESOLVED_VERSION auto
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run n N_TEST_DISPLAY_LATEST_RESOLVED_VERSION auto
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[ "$status" -ne 0 ]
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}
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@test "auto, no eol" {
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cd "${MY_DIR}"
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printf "101.0.1" > .n-node-version
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run n N_MOCK_DISPLAY_LATEST_RESOLVED_VERSION auto
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run n N_TEST_DISPLAY_LATEST_RESOLVED_VERSION auto
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[ "$status" -eq 0 ]
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[ "$output" = "101.0.1" ]
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}
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@ -30,7 +30,7 @@ function setup() {
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@test "auto, unix eol" {
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cd "${MY_DIR}"
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printf "101.0.2\n" > .n-node-version
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run n N_MOCK_DISPLAY_LATEST_RESOLVED_VERSION auto
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run n N_TEST_DISPLAY_LATEST_RESOLVED_VERSION auto
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[ "$status" -eq 0 ]
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[ "$output" = "101.0.2" ]
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}
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@ -38,7 +38,7 @@ function setup() {
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@test "auto, Windows eol" {
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cd "${MY_DIR}"
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printf "101.0.3\r\n" > .n-node-version
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run n N_MOCK_DISPLAY_LATEST_RESOLVED_VERSION auto
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run n N_TEST_DISPLAY_LATEST_RESOLVED_VERSION auto
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[ "$status" -eq 0 ]
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[ "$output" = "101.0.3" ]
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}
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@ -46,7 +46,7 @@ function setup() {
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@test "auto, leading v" {
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cd "${MY_DIR}"
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printf "v101.0.4\n" > .n-node-version
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run n N_MOCK_DISPLAY_LATEST_RESOLVED_VERSION auto
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run n N_TEST_DISPLAY_LATEST_RESOLVED_VERSION auto
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[ "$status" -eq 0 ]
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[ "$output" = "101.0.4" ]
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}
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@ -54,7 +54,7 @@ function setup() {
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@test "auto, first line only" {
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cd "${MY_DIR}"
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printf "101.0.5\nmore text\n" > .n-node-version
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run n N_MOCK_DISPLAY_LATEST_RESOLVED_VERSION auto
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run n N_TEST_DISPLAY_LATEST_RESOLVED_VERSION auto
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[ "$status" -eq 0 ]
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[ "$output" = "101.0.5" ]
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}
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@ -63,7 +63,51 @@ function setup() {
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# Check normal resolving, which is allowed but not required for MVP
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cd "${MY_DIR}"
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printf "4.9\n" > .n-node-version
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run n N_MOCK_DISPLAY_LATEST_RESOLVED_VERSION auto
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run n N_TEST_DISPLAY_LATEST_RESOLVED_VERSION auto
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[ "$status" -eq 0 ]
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[ "$output" = "4.9.1" ]
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}
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# node support aliases
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@test "display_latest_resolved_version active" {
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local TARGET_VERSION="$(display_remote_version latest)"
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run n N_TEST_DISPLAY_LATEST_RESOLVED_VERSION active
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[ "$status" -eq 0 ]
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[ "$output" = "${TARGET_VERSION}" ]
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}
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@test "display_latest_resolved_version lts_active" {
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local TARGET_VERSION="$(display_remote_version lts)"
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run n N_TEST_DISPLAY_LATEST_RESOLVED_VERSION lts_active
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[ "$status" -eq 0 ]
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[ "$output" = "${TARGET_VERSION}" ]
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}
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@test "display_latest_resolved_version lts_latest" {
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local TARGET_VERSION="$(display_remote_version lts)"
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run n N_TEST_DISPLAY_LATEST_RESOLVED_VERSION lts_latest
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[ "$status" -eq 0 ]
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[ "$output" = "${TARGET_VERSION}" ]
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}
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@test "display_latest_resolved_version lts" {
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local TARGET_VERSION="$(display_remote_version lts)"
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run n N_TEST_DISPLAY_LATEST_RESOLVED_VERSION lts
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[ "$status" -eq 0 ]
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[ "$output" = "${TARGET_VERSION}" ]
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}
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@test "display_latest_resolved_version current" {
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local TARGET_VERSION="$(display_remote_version latest)"
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run n N_TEST_DISPLAY_LATEST_RESOLVED_VERSION current
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[ "$status" -eq 0 ]
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[ "$output" = "${TARGET_VERSION}" ]
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}
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@test "display_latest_resolved_version supported" {
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local TARGET_VERSION="$(display_remote_version latest)"
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run n N_TEST_DISPLAY_LATEST_RESOLVED_VERSION supported
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[ "$status" -eq 0 ]
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[ "$output" = "${TARGET_VERSION}" ]
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}
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