Add update-makefiles-helper.sh
This simplifies the setup of makefiles directories until they are
integrated into soong.
Bug: 35870521
Test: update-makefiles.sh in directories that now use this
Change-Id: I9ee70274683a8f464a4bdfa3292e3f8effa6c40c
diff --git a/update-makefiles-helper.sh b/update-makefiles-helper.sh
new file mode 100755
index 0000000..87f4968
--- /dev/null
+++ b/update-makefiles-helper.sh
@@ -0,0 +1,109 @@
+#!/bin/bash
+
+#TODO(b/35570956): Do with Soong instead.
+
+#Note: see do_makefiles_update below.
+
+function package_root_to_package() {
+ echo $1 | cut -f1 -d:
+}
+
+function package_root_to_root() {
+ echo $1 | cut -f2 -d:
+}
+
+##
+# Makes sure the appropriate directories are visible.
+# Usage: check_dirs [package:root ...]
+function check_dirs() {
+ for package_root in "$@"; do
+ dir=$(package_root_to_root $package_root)
+ if [ ! -d $dir ] ; then
+ echo "Where is $dir?";
+ return 1;
+ fi
+ done
+}
+
+##
+# Gets all packages in a directory.
+# Usage: get_packages package root
+function get_packages() {
+ local current_dir=$1
+ local current_package=$2
+ pushd $current_dir > /dev/null;
+ find . -type f -name \*.hal -exec dirname {} \; | sort -u | \
+ cut -c3- | \
+ awk -F'/' \
+ '{printf("'$current_package'"); for(i=1;i<NF;i++){printf(".%s", $i);}; printf("@%s\n", $NF);}';
+ popd > /dev/null;
+}
+
+##
+# Package roots to arguments.
+# Usage: get_root_arguments [package:root ...]
+function get_root_arguments() {
+ for package_root in "$@"; do
+ echo "-r $package_root"
+ done
+}
+
+##
+# Subdirectories of a directory which contain Android.bps
+# Note, does not return Android.bp in the current directory.
+#
+# Usage: get_bp_dirs dir
+function get_bp_dirs() {
+ find $1/*/ \
+ -name "Android.bp" \
+ -printf "%h\n" \
+ | cut -d "/" -f1-3 \
+ | sort | uniq
+}
+
+##
+# Helps manage the package root of a HAL directory.
+# Should be called from the android root directory.
+#
+# Usage: do_makefiles_update [package:root ...]
+# Where the first package root is the current one.
+#
+function do_makefiles_update() {
+ local current_package=$(package_root_to_package $1)
+ local current_dir=$(package_root_to_root $1)
+
+ echo "Updating makefiles for $current_package in $current_dir."
+
+ check_dirs $@ || return 1
+
+ local packages=$(get_packages $current_dir $current_package) || return 1
+ local root_arguments=$(get_root_arguments $@) || return 1
+
+ for p in $packages; do
+ echo "Updating $p";
+ rc=$?; if [[ $rc != 0 ]]; then return $rc; fi
+ hidl-gen -Landroidbp $root_arguments $p;
+ rc=$?; if [[ $rc != 0 ]]; then return $rc; fi
+ done
+
+ local android_dirs=$(get_bp_dirs $current_dir) || return 1
+
+ echo "Updating Android.bp files."
+
+ for bp_dir in $android_dirs; do
+ bp="$bp_dir/Android.bp"
+ # locations of Android.bp files in specific subdirectory of frameworks/hardware/interfaces
+ android_bps=$(find $bp_dir \
+ -name "Android.bp" \
+ ! -path $bp_dir/Android.bp \
+ -printf "%h\n" \
+ | sort)
+
+ echo "// This is an autogenerated file, do not edit." > "$bp";
+ echo "subdirs = [" >> "$bp";
+ for a in $android_bps; do
+ echo " \"${a#$bp_dir/}\"," >> "$bp";
+ done
+ echo "]" >> "$bp";
+ done
+}