Pull request 2636: AGDNS-3914-increase-snapcraft-build-stability

Squashed commit of the following:

commit 689c4bd
Author: Maksim Kazantsev <m.kazantsev@adguard.com>
Date:   Fri Apr 17 15:33:43 2026 +0300

    snap: imp download.sh

commit 0dec7e3
Author: Maksim Kazantsev <m.kazantsev@adguard.com>
Date:   Fri Apr 17 15:16:03 2026 +0300

    all: rm result file;

commit 6884679
Author: Maksim Kazantsev <m.kazantsev@adguard.com>
Date:   Fri Apr 17 15:11:52 2026 +0300

    snap: imp download.sh

commit 1412a0b
Author: Maksim Kazantsev <m.kazantsev@adguard.com>
Date:   Thu Apr 16 20:06:09 2026 +0300

    snap: use query param;

commit 40c199d
Author: Maksim Kazantsev <m.kazantsev@adguard.com>
Date:   Thu Apr 16 19:53:53 2026 +0300

    docker: set cache buster env;

commit 8bbde22
Author: Maksim Kazantsev <m.kazantsev@adguard.com>
Date:   Thu Apr 16 19:51:41 2026 +0300

    all: rm .tar.gz

commit 827f51d
Author: Maksim Kazantsev <m.kazantsev@adguard.com>
Date:   Thu Apr 16 19:49:52 2026 +0300

    snap: fix script;

commit ff439b7
Author: Maksim Kazantsev <m.kazantsev@adguard.com>
Date:   Thu Apr 16 19:46:49 2026 +0300

    snap: add cache buster url param;

Author: makazantsev

docker/snapcraft.Dockerfile

@@ -46,6 +46,7 @@ export VERBOSE='1'
 
 env \
 	CHANNEL="${CHANNEL}" \
+	CACHE_BUSTER="${CACHE_BUSTER}" \
 	sh ./scripts/snap/download.sh \
 	;
 

scripts/snap/download.sh

@@ -11,10 +11,17 @@ set -e -f -u
 channel="${CHANNEL:?please set CHANNEL}"
 readonly channel
 
+cache_buster="${CACHE_BUSTER:-0}"
+readonly cache_buster
+
 while read -r arch snap_arch; do
 	release_url="https://static.adtidy.org/adguardhome/${channel}/AdGuardHome_linux_${arch}.tar.gz"
 	output="./AdGuardHome_linux_${arch}.tar.gz"
 
+	if [ -n "$cache_buster" ]; then
+		release_url="${release_url}?cache_buster=${cache_buster}"
+	fi
+
 	curl -o "$output" -v "$release_url"
 	tar -f "$output" -v -x -z
 	cp ./AdGuardHome/AdGuardHome "./AdGuardHome_${snap_arch}"