ci(sbuild): install Astral uv in chroot to satisfy RediSearch test deps (PR #6715) and add curl

Author: mike-golant

setup_sbuild.sh

@@ -45,11 +45,11 @@ sbuild-createchroot --arch=${arch} --make-sbuild-tarball=/var/lib/sbuild/${dist}
 # For cross-compilation, install the necessary packages
 if [ "$arch" != "$host_arch" ]; then
     echo "Setting up cross-compilation environment from $host_arch to $arch"
-    
+
     # Install cross-compilation tools in the chroot
     schroot -c source:${dist}-${arch}-sbuild -d / -- apt-get update
     schroot -c source:${dist}-${arch}-sbuild -d / -- apt-get install -y crossbuild-essential-${arch}
-    
+
     # Create a file to tell sbuild this is a cross-compilation environment
     schroot -c source:${dist}-${arch}-sbuild -d / -- touch /etc/sbuild-cross-building
 fi
@@ -85,7 +85,14 @@ fi
 
 # Install native build tools in the chroot
 schroot -c source:${dist}-${arch}-sbuild -d / -- apt-get update
-schroot -c source:${dist}-${arch}-sbuild -d / -- apt-get install -y build-essential python3 python3-pip python3-venv python3-dev g++ clang
+schroot -c source:${dist}-${arch}-sbuild -d / -- apt-get install -y build-essential python3 python3-pip python3-venv python3-dev g++ clang curl
+
+# Install Astral uv inside chroot for RediSearch test dependencies that expect it
+schroot -c source:${dist}-${arch}-sbuild -d / -- bash -lc "set -e; curl --proto '=https' --tlsv1.2 -LsSf https://astral.sh/uv/install.sh | sh"
+# Make uv available system-wide in chroot PATH
+schroot -c source:${dist}-${arch}-sbuild -d / -- bash -lc "install -m 0755 \"$HOME/.local/bin/uv\" /usr/local/bin/uv || cp -f \"$HOME/.local/bin/uv\" /usr/local/bin/uv"
+# Verify uv installed
+schroot -c source:${dist}-${arch}-sbuild -d / -- uv -V
 
 # Install latest CMake version for Jammy and Bullseye
 if [ "$dist" = "jammy" ] || [ "$dist" = "bullseye" ]; then