From bfa5813c6e8da8dffa12afe83b923f15d0869835 Mon Sep 17 00:00:00 2001
From: Ricardo Pardini <ricardo@pardini.net>
Date: Wed, 6 Jul 2022 23:51:43 +0200
Subject: [PATCH] armbian-next: u-boot: add fasthash to u-boot [deprecated,
 later removed]

- u-boot: fasthash: add `uboot_target_counter` to id and branch, lest `UBOOT_TARGET_MAP` > 2 fails
---
 lib/functions/compilation/uboot.sh | 34 ++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/lib/functions/compilation/uboot.sh b/lib/functions/compilation/uboot.sh
index 04272ccafa..e8ad3f135b 100644
--- a/lib/functions/compilation/uboot.sh
+++ b/lib/functions/compilation/uboot.sh
@@ -15,12 +15,43 @@ function maybe_make_clean_uboot() {
 # this receives version  target uboot_name uboottempdir uboot_target_counter toolchain as variables.
 # also receives uboot_prefix, target_make, target_patchdir, target_files as input
 function compile_uboot_target() {
+	local uboot_work_dir=""
+	uboot_work_dir="$(pwd)"
+
 	# needed for multiple targets and for calling compile_uboot directly
 	display_alert "${uboot_prefix} Checking out to clean sources" "{$BOOTSOURCEDIR} for ${target_make}"
 	git checkout -f -q HEAD # @TODO: this assumes way too much. should call the wrapper again, not directly
 
+	# grab the prepatch version from Makefile
+	local uboot_prepatch_version=""
+	uboot_prepatch_version=$(grab_version "${uboot_work_dir}")
+
+	# grab the mtime of the revision.
+	declare checked_out_revision_ts="" checked_out_revision_mtime=""
+	checked_out_revision_ts="$(git log -1 --pretty=%ct "HEAD")"                         # unix timestamp of the commit date
+	checked_out_revision_mtime="$(date +%Y%m%d%H%M%S -d "@${checked_out_revision_ts}")" # convert timestamp to local date/time
+	display_alert "u-boot: checked_out_revision_mtime set!" "${checked_out_revision_mtime} - ${checked_out_revision_ts}" "git"
+
+	# mark the minimum mtime for uboot patches
+	declare -i patch_minimum_target_mtime="${checked_out_revision_mtime}"
+	declare -i patch_dir_mtime="${patch_minimum_target_mtime}"
+	local patch_dir="${SRC}/patch/u-boot/${BOOTPATCHDIR}"
+
+	if [[ -d "${patch_dir}" ]]; then
+		patch_dir_mtime=$(get_dir_modification_time "${patch_dir}")
+		display_alert "uboot: patch_dir mtime:" "${patch_dir_mtime}" "debug"
+		patch_minimum_target_mtime=$((patch_dir_mtime > patch_minimum_target_mtime ? patch_dir_mtime : patch_minimum_target_mtime))
+		display_alert "uboot: patch_minimum_target_mtime after patch_dir mtime:" "${patch_minimum_target_mtime}" "debug"
+	fi
+
+	# @TODO: for u-boot, there's also the BOARD patch directory, which should also be taken into account.
+
+	initialize_fasthash "u-boot-${uboot_target_counter}" "unknown-uboot-hash" "${uboot_prepatch_version}" "$(pwd)"
+	fasthash_debug "init"
+
 	maybe_make_clean_uboot
 
+	fasthash_branch "patches-${uboot_target_counter}-${BOOTPATCHDIR}-$BRANCH"
 	advanced_patch "u-boot" "$BOOTPATCHDIR" "$BOARD" "$target_patchdir" "$BRANCH" "${LINUXFAMILY}-${BOARD}-${BRANCH}"
 
 	# create patch for manual source changes
@@ -92,6 +123,9 @@ function compile_uboot_target() {
 
 	fi
 
+	fasthash_debug "finish"
+	finish_fasthash "u-boot" # this reports the final hash and creates git branch to build ID. All modifications commited.
+
 	# workaround when two compilers are needed
 	cross_compile="CROSS_COMPILE=\"$CCACHE $UBOOT_COMPILER\""
 	[[ -n $UBOOT_TOOLCHAIN2 ]] && cross_compile="ARMBIAN=foe" # empty parameter is not allowed