Fix libssh changes

This accounts for b10d49d761 (upstream switching from `libssh2` to `libssh` in 4.1+).

4.1-rc/Dockerfile

@@ -47,7 +47,7 @@ RUN set -eux; \
 		libpixman-1-dev \
 		libpng-dev \
 		libseccomp-dev \
-		libssh2-1-dev \
+		libssh-dev \
 		libusb-1.0-0-dev \
 		libusbredirparser-dev \
 		libxen-dev \
@@ -110,7 +110,7 @@ RUN set -eux; \
 		--enable-kvm \
 		--enable-libiscsi \
 		--enable-libnfs \
-		--enable-libssh2 \
+		--enable-libssh \
 		--enable-libusb \
 		--enable-linux-aio \
 		--enable-linux-user \

Dockerfile.template

@@ -47,7 +47,7 @@ RUN set -eux; \
 		libpixman-1-dev \
 		libpng-dev \
 		libseccomp-dev \
-		libssh2-1-dev \
+		libssh-dev \
 		libusb-1.0-0-dev \
 		libusbredirparser-dev \
 		libxen-dev \
@@ -110,7 +110,7 @@ RUN set -eux; \
 		--enable-kvm \
 		--enable-libiscsi \
 		--enable-libnfs \
-		--enable-libssh2 \
+		--enable-libssh \
 		--enable-libusb \
 		--enable-linux-aio \
 		--enable-linux-user \

generate-stackbrew-library.sh

@@ -2,9 +2,9 @@
 set -Eeuo pipefail
 
 declare -A aliases=(
+	[4.1-rc]='rc'
 	[4.0]='4 latest'
 	[3.1]='3'
-	[2.12]='2'
 )
 
 self="$(basename "$BASH_SOURCE")"

update.sh

@@ -35,4 +35,14 @@ for version in "${versions[@]}"; do
 		-e 's!%%QEMU_URL%%!'"$url"'!g' \
 		Dockerfile.template > "$version/Dockerfile"
 	cp -a start-qemu *.patch "$version/"
+
+	case "$rcVersion" in
+		# https://github.com/qemu/qemu/commit/b10d49d7619e4957b4b971f816661b57e5061d71
+		3.0 | 3.1 | 4.0)
+			sed -ri \
+				-e 's/libssh-dev/libssh2-1-dev/g' \
+				-e 's/--enable-libssh/--enable-libssh2/g' \
+				"$version/Dockerfile"
+			;;
+	esac
 done