Merge branch 'master' of GNUtoo/lbmk into master

1 files changed, 182 insertions, 16 deletions

diff --git a/resources/scripts/download/u-boot b/resources/scripts/download/u-boot
index 704d1c3a..bd0258c0 100755
--- a/resources/scripts/download/u-boot
+++ b/resources/scripts/download/u-boot
@@ -32,6 +32,12 @@ deleteblobs="true"
 # This script handles the internet, and Git. Both are inherently unreliable.
 [[ -f build_error ]] && rm -f build_error
 
+# Make sure that older revision are first as code uses that order to
+# find the latest supported revision.
+supported_uboot_revisions=" \
+	v2021.07 \
+"
+
 downloadfor() {
 	uboot_revision="v2021.07"
 	uboot_dir="u-boot/u-boot"
@@ -59,7 +65,7 @@ downloadfor() {
 
 	if [ ! -d "${uboot_dir}" ]; then
 		printf "Download u-boot from upstream:\n"
-		git clone https://source.denx.de/u-boot/u-boot \
+		git clone https://source.denx.de/u-boot/u-boot.git \
 		    "${uboot_dir}" || \
 		    rm -Rf "${uboot_dir}"
 		if [ ! -d "${uboot_dir}" ]; then
@@ -99,25 +105,185 @@ strip_comments()
 		sed '/^$/d'
 }
 
-printf "Downloading u-boot and (if exist in build system) applying patches\n"
-downloadfor
+generate_deblob_script()
+{
+	blob_list_file="$1"
+	output="$2"
 
-rm -f "build_error"
-printf "\n\n"
+	# Add sheebang and copyright headers from this file
+	awk '{
+		if ($0 !~ /^#/ && NF > 0) {
+			stop=1;
+		}
+		if (stop !=1) {
+			printf("%s\n", $0);
+		}
+	}' $0 >> ${output}
 
-if [ "${deleteblobs}" = "true" ]; then
-	bloblist="resources/u-boot/default/blobs.list"
+	# Add rm -rf before directories and rm -f before files
+	awk \
+	'{
+	}{
+		if (NF == 0) {
+			printf("\n");
+		} else {
+			if ($0 !~ /#/ && $NF ~ /\/$/) {
+				printf("rm -rf %s\n", $0);
+			} else if ($0 !~ /#/) {
+				printf("rm -f %s\n", $0);
+			} else {
+				# We have comments, try to see if they are
+				# still valid paths before the comments
+				comments_found=0
+				last_field=0
+				for(i=1; i<=NF; i++) {
+					if($i ~ /#/) {
+						comments_found=1;
+					} else if(comments_found != 1) {
+						last_field=i;
+					}
+				}
+				if (last_field == 0) {
+					printf("%s\n", $0);
+				} else if ($last_field ~ /\/$/) {
+					printf("rm -rf %s\n", $0);
+				} else {
+					printf("rm -f %s\n", $0);
+				}
+			}
+		}
+	}' "${blob_list_file}" >> "${output}"
+}
+
+usage()
+{
+	progname="./download u-boot"
+
+	printf "Usage:\n"
+	printf "\t%s                                # %s\n" \
+	       "${progname}" \
+	       "Download latest u-boot git revision and deblob it"
+	printf "\t%s [revision]                     # %s\n" \
+	       "${progname}" \
+	       "Download given u-boot git revision and deblob it"
+	printf "\t%s --blobs-list                   # %s\n" \
+	       "${progname}" \
+	       "Print the path of the blobs.list file for the latest supported u-boot revision"
+	printf "\t%s --blobs-list [revision]        # %s\n" \
+	       "${progname}" \
+	       "Print the path of the blobs.list file for the given u-boot revision"
+	printf "\t%s --gen-deblob-script            # %s\n" \
+	       "${progname}" \
+	       "Print the path of the generated deblob script for the latest supported u-boot revision"
+	printf "\t%s --gen-deblob-script [revision] # %s\n" \
+	       "${progname}" \
+	       "Print the path of the generated deblob script for the given u-boot revision"
+	printf "\t%s --list-revisions               # %s\n" \
+	       "${progname}" \
+	       "List supported u-boot revisions"
+	printf "\t%s --help                         # %s\n" \
+	       "${progname}" \
+	       "Prints this help"
+}
+
+download_uboot_revision()
+{
+	git_revision="$1"
+
+	printf "Downloading u-boot "
+	printf "and (if exist in build system) applying patches\n"
+	downloadfor "${git_revision}"
+
+	rm -f "build_error"
+	printf "\n\n"
+
+	if [ "${deleteblobs}" = "true" ]; then
+		blobslist="resources/u-boot/default/blobs.list"
+		for blob_path in $(strip_comments "${blobslist}"); do
+		    if echo "${blob_path}" | \
+			    grep '/$' 2>&1 >/dev/null ; then
+				printf "Deleting blob directory: '%s/%s'\n" \
+				       "${uboot_dir}" "${blob_path}"
+				rm -rf "${uboot_dir}/${blob_path}"
+			else
+				printf "Deleting blob file: '%s/%s'\n" \
+				       "${uboot_dir}" "${blob_path}"
+				rm -f "${uboot_dir}/${blob_path}"
+			fi
+		done
+	fi
+}
+
+print_blobs_list_path()
+{
+	printf "resources/u-boot/default/blobs.list\n"
+}
 
-	for blob_path in $(strip_comments "${bloblist}"); do
-		if echo "${blob_path}" | grep '/$' 2>&1 >/dev/null ; then
-			printf "Deleting blob directory: '%s/%s'\n" \
-			       "${uboot_dir}" "${blob_path}"
-			rm -rf "${uboot_dir}/${blob_path}"
-		else
-			printf "Deleting blob file: '%s/%s'\n" \
-			       "${uboot_dir}" "${blob_path}"
-			rm -f "${uboot_dir}/${blob_path}"
+print_deblob_script_path()
+{
+	version="$1"
+	path="$(mktemp)"
+
+	generate_deblob_script "$(print_blobs_list_path ${version})" "${path}"
+	printf "%s\n" ${path}
+}
+
+if [ $# -eq 0 ] ; then
+	latest_revision="$(echo ${supported_uboot_revisions} | tail -n1)"
+	download_uboot_revision "${latest_revision}"
+	exit 0
+elif [ $# -eq 1 -a "$1" == "--help" ] ; then
+	usage
+	exit 0
+elif [ $# -eq 1 -a "$1" == "--list-revisions" ] ; then
+	for revision in ${supported_uboot_revisions} ; do
+		printf "${revision}\n"
+	done
+	exit 0
+elif [ $# -eq 1 -a "$1" == "--blobs-list" ] ; then
+	latest_revision="$(echo ${supported_uboot_revisions} | tail -n1)"
+	print_blobs_list_path "${latest_revision}"
+	exit 0
+elif [ $# -eq 2 -a "$1" == "--blobs-list" ] ; then
+	found=0
+	for revision in ${supported_uboot_revisions} ; do
+		if [ "${revision}" = "$2" ] ; then
+			print_blobs_list_path "$2"
+			exit 0
+		fi
+	done
+
+	printf "Error: Revision '${1}' is not supported\n"
+
+	exit 1
+elif [ $# -eq 1 -a "$1" == "--gen-deblob-script" ] ; then
+	latest_revision="$(echo ${supported_uboot_revisions} | tail -n1)"
+	print_deblob_script_path "${latest_revision}"
+	exit 0
+elif [ $# -eq 2 -a "$1" == "--gen-deblob-script" ] ; then
+	found=0
+	for revision in ${supported_uboot_revisions} ; do
+		if [ "${revision}" = "$2" ] ; then
+			print_deblob_script_path "$2"
+			exit 0
+		fi
+	done
+
+	printf "Error: Revision '${1}' is not supported\n"
+
+	exit 1
+elif [ $# -eq 1 ] ; then
+	found=0
+	for revision in ${supported_uboot_revisions} ; do
+		if [ "${revision}" = "$1" ] ; then
+			download_uboot_revision "$1"
+			exit 0
 		fi
 	done
+
+	printf "Error: Revision '${1}' is not supported\n"
+
+	exit 1
 fi
+
 exit 0