Download the latest unbranded release build from the Firefox Nightly channel

firefox-nightly-unbranded.sh

#!/bin/sh

# download-nightly2
# Download the latest release build of Firefox Nightly for Mac OS.
#
# Ported from KwanEsq's JavaScript user script:
# https://gist.github.com/KwanEsq/0959333d8c8781f6582fe3988af4d483

macos_type_name='build-macosx64-add-on-devel%2Fopt'

fetch_latest_firefox_version() {
	curl \
		--silent \
		--location 'https://product-details.mozilla.org/1.0/firefox_versions.json' \
	| jq --raw-output '.LATEST_FIREFOX_VERSION'
}


fetch_rev_for_firefox_version() {
	local firefox_version="$1"

	curl \
		--silent \
		--location "https://hg.mozilla.org/releases/mozilla-release/json-log?rev=FIREFOX_${firefox_version}_RELEASE" \
	| jq --raw-output '.node'
}

fetch_job_id_for_rev() {
	local firefox_version="$1"

	curl \
		--silent \
		--location "https://treeherder.mozilla.org/api/project/mozilla-release/push/?revision=$(fetch_rev_for_firefox_version "$firefox_version")" \
	| jq --raw-output '.results[0].id'
}

fetch_task_id_and_retry_id_for_job_id() {
	local firefox_version="$1"

	local job_results="$(
		curl \
			--silent \
			--location "https://treeherder.mozilla.org/api/project/mozilla-release/jobs/?result_set_id=$(fetch_job_id_for_rev "$firefox_version")&job_type_name=${macos_type_name}"
	)"

	echo "$job_results" |
		jq --raw-output '.results
			| .[]
			| select(.result == "success")
			| [.task_id, .retry_id]
			| @tsv'
}

fetch_artifact_url_of_task_id() {
	local firefox_version="$1"

	local task_id_retry_id="$(fetch_task_id_and_retry_id_for_job_id "$firefox_version")"
	local task_id="$(echo "$task_id_retry_id" | cut -f1)"
	local retry_id="$(echo "$task_id_retry_id" | cut -f2)"
	local artifact_url_prefix="https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/${task_id}/runs/${retry_id}/artifacts"

	local artifact_path="$(
		curl \
			--silent \
			--location "$artifact_url_prefix" \
		| jq --raw-output '.artifacts
			| .[]
			| select(.name | endswith("target.dmg"))
			| .name'
	)"

	echo "$artifact_url_prefix/$artifact_path"
}

fetch_archive() {
	local firefox_version="$1"

	curl \
		--output "Firefox Nightly ${firefox_version}.dmg" \
		--location "$(fetch_artifact_url_of_task_id "$firefox_version")"
}

main() {
	firefox_version="$(fetch_latest_firefox_version)"

	fetch_archive "$firefox_version"
}

main