fix(build-package.sh): Do not use dependencies while building from repo if it hosts packages built for a different package name than TERMUX_APP_PACKAGE

build-package.sh

@@ -419,6 +419,13 @@ while (($# >= 1)); do
 done
 unset -f _show_usage
 
+# Dependencies should be used from repo only if they are built for
+# same package name.
+if [ "$TERMUX_REPO_PACKAGE" != "$TERMUX_APP_PACKAGE" ]; then
+	echo "Ignoring -i option to download dependencies since repo package name ($TERMUX_REPO_PACKAGE) does not equal app package name ($TERMUX_APP_PACKAGE)"
+	TERMUX_INSTALL_DEPS=false
+fi
+
 if [ -n "${TERMUX_PACKAGE_FORMAT-}" ]; then
 	case "${TERMUX_PACKAGE_FORMAT-}" in
 		debian|pacman) :;;

scripts/build/termux_download_deb_pac.sh

@@ -6,6 +6,19 @@ termux_download_deb_pac() {
 	local VERSION=$3
 	local VERSION_PACMAN=$4
 
+	local DEB_FILE="${PACKAGE}_${VERSION}_${PACKAGE_ARCH}.deb"
+	PKG_HASH=""
+
+	# Dependencies should be used from repo only if they are built for
+	# same package name.
+	# The data.tar.xz extraction by termux_step_get_dependencies would
+	# extract files to different prefix than TERMUX_PREFIX and builds
+	# would fail when looking for -I$TERMUX_PREFIX/include files.
+	if [ "$TERMUX_REPO_PACKAGE" != "$TERMUX_APP_PACKAGE" ]; then
+		echo "Ignoring download of $DEB_FILE since repo package name ($TERMUX_REPO_PACKAGE) does not equal app package name ($TERMUX_APP_PACKAGE)"
+		return 1
+	fi
+
 	if [ "$TERMUX_ON_DEVICE_BUILD" = "true" ]; then
 		case "$TERMUX_APP_PACKAGE_MANAGER" in
 			"apt") apt install -y "${PACKAGE}=${VERSION}";;
@@ -14,9 +27,6 @@ termux_download_deb_pac() {
 		return "$?"
 	fi
 
-	local DEB_FILE="${PACKAGE}_${VERSION}_${PACKAGE_ARCH}.deb"
-	PKG_HASH=""
-
 	for idx in $(seq ${#TERMUX_REPO_URL[@]}); do
 		local TERMUX_REPO_NAME=$(echo ${TERMUX_REPO_URL[$idx-1]} | sed -e 's%https://%%g' -e 's%http://%%g' -e 's%/%-%g')
 		local PACKAGE_FILE_PATH="${TERMUX_REPO_NAME}-${TERMUX_REPO_DISTRIBUTION[$idx-1]}-${TERMUX_REPO_COMPONENT[$idx-1]}-Packages"

scripts/build/termux_step_get_dependencies.sh

@@ -28,6 +28,9 @@ termux_step_get_dependencies() {
 
 			if [ -e "$TERMUX_BUILT_PACKAGES_DIRECTORY/$PKG" ]; then
 				if [ "$(cat "$TERMUX_BUILT_PACKAGES_DIRECTORY/$PKG")" = "$DEP_VERSION" ]; then
+					if [ ! "$TERMUX_QUIET_BUILD" = true ]; then
+						echo "Skipping already built dependency $PKG@$DEP_VERSION"
+					fi
 					continue
 				fi
 			fi
@@ -39,7 +42,7 @@ termux_step_get_dependencies() {
 			fi
 			if [ "$TERMUX_ON_DEVICE_BUILD" = "false" ]; then
 				if [ ! "$TERMUX_QUIET_BUILD" = true ]; then
-					echo "extracting $PKG..."
+					echo "extracting $PKG to $TERMUX_COMMON_CACHEDIR-$DEP_ARCH..."
 				fi
 				(
 					cd $TERMUX_COMMON_CACHEDIR-$DEP_ARCH

scripts/properties.sh

@@ -32,6 +32,11 @@ TERMUX_ANDROID_HOME="${TERMUX_BASE_DIR}/home"
 TERMUX_APPS_DIR="${TERMUX_BASE_DIR}/apps"
 TERMUX_PREFIX="${TERMUX_BASE_DIR}/usr"
 
+# Package name for the packages hosted on the repo.
+# This must only equal TERMUX_APP_PACKAGE if using custom repo that
+# has packages that were built with same package name.
+TERMUX_REPO_PACKAGE="com.termux"
+
 # Termux repo urls.
 TERMUX_REPO_URL=(
 	https://packages-cf.termux.dev/apt/termux-main