provide useful debug info when retrieving a version from GitHub fails (coder#15956)

dannykopping · web-flow · commit 401f8b4fea05 · 2025-01-09T09:47:20.000Z
Closes coder#15851 This fails the installation when the version cannot be retrieved, and prints useful debug info. `install.sh` could use with more error-handling in general, but this at least ameliorates the linked issue. Signed-off-by: Danny Kopping <danny@coder.com>
diff --git a/install.sh b/install.sh
@@ -92,8 +92,19 @@ EOF
 }
 
 echo_latest_stable_version() {
+	url="https://github.com/coder/coder/releases/latest"
 	# https://gist.github.com/lukechilds/a83e1d7127b78fef38c2914c4ececc3c#gistcomment-2758860
-	version="$(curl -fsSLI -o /dev/null -w "%{url_effective}" https://github.com/coder/coder/releases/latest)"
+	response=$(curl -sSLI -o /dev/null -w "\n%{http_code} %{url_effective}" ${url})
+	status_code=$(echo "$response" | tail -n1 | cut -d' ' -f1)
+	version=$(echo "$response" | tail -n1 | cut -d' ' -f2-)
+	body=$(echo "$response" | sed '$d')
+
+	if [ "$status_code" != "200" ]; then
+		echoerr "GitHub API returned status code: ${status_code}"
+		echoerr "URL: ${url}"
+		exit 1
+	fi
+
 	version="${version#https://github.com/coder/coder/releases/tag/v}"
 	echo "${version}"
 }
@@ -103,7 +114,19 @@ echo_latest_mainline_version() {
 	# and take the first result. Note that we're sorting by space-
 	# separated numbers and without utilizing the sort -V flag for the
 	# best compatibility.
-	curl -fsSL https://api.github.com/repos/coder/coder/releases |
+	url="https://api.github.com/repos/coder/coder/releases"
+	response=$(curl -sSL -w "\n%{http_code}" ${url})
+	status_code=$(echo "$response" | tail -n1)
+	body=$(echo "$response" | sed '$d')
+
+	if [ "$status_code" != "200" ]; then
+		echoerr "GitHub API returned status code: ${status_code}"
+		echoerr "URL: ${url}"
+		echoerr "Response body: ${body}"
+		exit 1
+	fi
+
+	echo "$body" |
 		awk -F'"' '/"tag_name"/ {print $4}' |
 		tr -d v |
 		tr . ' ' |
@@ -405,8 +428,10 @@ main() {
 	STABLE_VERSION=$(echo_latest_stable_version)
 	if [ "${MAINLINE}" = 1 ]; then
 		VERSION=$(echo_latest_mainline_version)
+		echoh "Resolved mainline version: v${VERSION}"
 	elif [ "${STABLE}" = 1 ]; then
 		VERSION=${STABLE_VERSION}
+		echoh "Resolved stable version: v${VERSION}"
 	fi
 
 	distro_name
