builder-linux: curl download retries and timeouts

docs/compile/builder-linux/build_deps.sh

@@ -11,17 +11,17 @@ dl_deps()
 	(
 	cd "$DEPS"
 	exists_dir libnfnetlink-* ||
-		curl -Lo - https://www.netfilter.org/pub/libnfnetlink/libnfnetlink-1.0.2.tar.bz2 | tar -xj || exit 5
+		curl $CURL_OPT -Lo - https://www.netfilter.org/pub/libnfnetlink/libnfnetlink-1.0.2.tar.bz2 | tar -xj || exit 5
 	exists_dir libmnl-* ||
-		curl -Lo - https://www.netfilter.org/pub/libmnl/libmnl-1.0.5.tar.bz2 | tar -xj || exit 5
+		curl $CURL_OPT -Lo - https://www.netfilter.org/pub/libmnl/libmnl-1.0.5.tar.bz2 | tar -xj || exit 5
 	exists_dir libnetfilter_queue-* ||
-		curl -Lo - https://www.netfilter.org/pub/libnetfilter_queue/libnetfilter_queue-1.0.5.tar.bz2 | tar -xj || exit 5
+		curl $CURL_OPT -Lo - https://www.netfilter.org/pub/libnetfilter_queue/libnetfilter_queue-1.0.5.tar.bz2 | tar -xj || exit 5
 	exists_dir zlib-* ||
-		curl -Lo - https://zlib.net/fossils/zlib-1.3.2.tar.gz | tar -xz || exit 5
+		curl $CURL_OPT -Lo - https://zlib.net/fossils/zlib-1.3.2.tar.gz | tar -xz || exit 5
 	exists_dir luajit2-* ||
-		curl -Lo - https://github.com/openresty/luajit2/archive/refs/tags/v${LUAJIT_RELEASE}.tar.gz | tar -xz || exit 5
+		curl $CURL_OPT -Lo - https://github.com/openresty/luajit2/archive/refs/tags/v${LUAJIT_RELEASE}.tar.gz | tar -xz || exit 5
 	exists_dir lua-* ||
-		curl -Lo - https://www.lua.org/ftp/lua-${LUA_RELEASE}.tar.gz | tar -xz || exit 5
+		curl $CURL_OPT -Lo - https://www.lua.org/ftp/lua-${LUA_RELEASE}.tar.gz | tar -xz || exit 5
 	)
 }
 

docs/compile/builder-linux/build_zapret1.sh

@@ -22,7 +22,7 @@ dl_zapret1()
 	fi
 	(
 	cd "$ZBASE"
-	curl -Lo /tmp/zapret.zip "$ZURL"
+	curl $CURL_OPT -Lo /tmp/zapret.zip "$ZURL"
 	unzip /tmp/zapret.zip
 	rm /tmp/zapret.zip
 	mv zapret-${BRANCH} $ZDIR

docs/compile/builder-linux/build_zapret2.sh

@@ -22,7 +22,7 @@ dl_zapret2()
 	fi
 	(
 	cd "$ZBASE"
-	curl -Lo /tmp/zapret2.zip "$ZURL"
+	curl $CURL_OPT -Lo /tmp/zapret2.zip "$ZURL"
 	unzip /tmp/zapret2.zip
 	rm /tmp/zapret2.zip
 	mv zapret2-${BRANCH} $ZDIR

docs/compile/builder-linux/common.inc

@@ -1,6 +1,8 @@
 EXEDIR="$(dirname "$0")"
 EXEDIR="$(cd "$EXEDIR"; pwd)"
 
+CURL_OPT="--connect-timeout 5 --max-time 120 --retry 5 --retry-delay 30"
+
 TOOLCHAINS="$EXEDIR/toolchain"
 DEPS="$EXEDIR/deps"
 STAGE="$EXEDIR/staging"

docs/compile/builder-linux/get_toolchains.sh

@@ -17,6 +17,6 @@ ask_target 1
 cd "$TOOLCHAINS"
 for t in $TGT; do
 	[ -d "$t" ] && rm -r "$t"
-	curl -Lo - "${BASEURL}/${t}.tar.xz" | tar -Jx
+	curl $CURL_OPT -Lo - "${BASEURL}/${t}.tar.xz" | tar -Jx
 done
 )