[Replicant] [libsamsung-ipc] [PATCH 02/26] Add tools to build all the last commits

[Denis 'GNUtoo' Carikli]

This makes it easier to build-test all the latest commits before
sending patches or pushing patches.

Signed-off-by: Denis 'GNUtoo' Carikli <GNUtoo at cyberdimension.org>
---
 scripts/rebase-build-check-android.sh   | 102 ++++++++++++++++++++++++
 scripts/rebase-build-check-gnu-linux.sh |  81 +++++++++++++++++++
 2 files changed, 183 insertions(+)
 create mode 100755 scripts/rebase-build-check-android.sh
 create mode 100755 scripts/rebase-build-check-gnu-linux.sh

diff --git a/scripts/rebase-build-check-android.sh b/scripts/rebase-build-check-android.sh
new file mode 100755
index 0000000..e43e3c6
--- /dev/null
+++ b/scripts/rebase-build-check-android.sh
@@ -0,0 +1,102 @@
+#!/bin/bash
+# -*- coding: utf-8 -*-
+# Copyright (C) 2022 Denis 'GNUtoo' Carikli <GNUtoo at cyberdimension.org>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+set -e
+
+usage()
+{
+    printf "Usage:\n"
+    printf "%s build-from <base-commit-ref> " "$0"
+    printf "# Build all commits since <base-commit-ref>\n" "%0"
+    printf "%s continue                     " "$0"
+    printf "# Continue rebasing and building commits\n" "%0"
+    exit 64; # EX_USAGE from sysexits.h
+}
+
+print_header()
+{
+    set +e
+    message="$1"
+
+    len=$(expr $(echo -n ${message} | wc -c) + 2)
+
+    nr_chars=$(expr $(expr 80 - ${len}) / 2)
+
+    i="${nr_chars}"
+
+    while [ ${i} -gt 0 ] ; do
+	echo -n "#"
+	i="$(expr ${i} - 1)"
+    done
+
+    echo -n " ${message} "
+
+    i="${nr_chars}"
+
+    while [ ${i} -gt 0 ] ; do
+	echo -n "#"
+	i="$(expr ${i} - 1)"
+    done
+    echo
+    set -e
+}
+
+build_and_git_rebase_continue()
+{
+    total_commits="$1"
+
+    total_targets="$(./vendor/replicant/build.sh targets | wc -l)"
+    parallel_tasks=$(echo "$(grep 'processor' /proc/cpuinfo | wc -l ) + 1" | bc)
+
+    local_modules="$(grep \
+                        "^LOCAL_MODULE := " \
+                        hardware/replicant/libsamsung-ipc/Android.mk | \
+                        awk '{print $3}' | sort -u)"
+
+    source build/envsetup.sh
+
+    # Currently all the Replicant versions supported by libsamsung-ipc
+    # have an aosp_arm-eng target. Using aosp_arm-eng also ensures
+    # that TARGET_DEVICE isn't set by the device repository. This also
+    # leaves us more freedom in libsamsung-ipc as we could for
+    # instance decide to not build unused code based on TARGET_DEVICE.
+    lunch aosp_arm-eng
+
+    commit_nr=1
+    while true ; do
+        print_header "[ commit ${commit_nr} of ${total_commits} ]"
+        make "-j${parallel_tasks}" ${local_modules}
+        git -C hardware/replicant/libsamsung-ipc rebase --continue || break
+	commit_nr="$(expr ${commit_nr} + 1)"
+    done
+}
+
+if [ $# -eq 2 ] && [ "$1" == "build-from" ] ; then
+    base_commit="$2"
+    nr_commits="$(git -C hardware/replicant/libsamsung-ipc log --oneline \
+		  ${base_commit}~1..HEAD --oneline | wc -l)"
+    GIT_EDITOR="sed 's#^pick #edit #g' -i " \
+              git -C hardware/replicant/libsamsung-ipc \
+	      rebase -i "${base_commit}"
+
+    build_and_git_rebase_continue "${nr_commits}"
+elif [ $# -eq 1 ] && [ "$1" == "continue" ] ; then
+    nr_commits="$(git -C hardware/replicant/libsamsung-ipc \
+		  log --oneline REBASE_HEAD~1..ORIG_HEAD --oneline | wc -l)"
+    build_and_git_rebase_continue "${nr_commits}"
+else
+    usage
+fi
diff --git a/scripts/rebase-build-check-gnu-linux.sh b/scripts/rebase-build-check-gnu-linux.sh
new file mode 100755
index 0000000..a909290
--- /dev/null
+++ b/scripts/rebase-build-check-gnu-linux.sh
@@ -0,0 +1,81 @@
+#!/bin/bash
+# -*- coding: utf-8 -*-
+# Copyright (C) 2022 Denis 'GNUtoo' Carikli <GNUtoo at cyberdimension.org>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+die()
+{
+    echo "$@"
+    exit 1;
+}
+
+usage()
+{
+    printf "Usage:\n"
+    printf "%s build-from <base-commit-ref> " "$0"
+    printf "# Build all commits since <base-commit-ref>\n" "%0"
+    printf "%s continue                     " "$0"
+    printf "# Continue rebasing and building commits\n" "%0"
+    exit 64; # EX_USAGE from sysexits.h
+}
+
+print_header()
+{
+    message="$1"
+
+    len=$(expr $(echo -n ${message} | wc -c) + 2)
+
+    nr_chars=$(expr $(expr 80 - ${len}) / 2)
+
+    i="${nr_chars}"
+    while [ ${i} -gt 0 ] ; do
+	echo -n "#"
+	i="$(expr ${i} - 1)"
+    done
+
+    echo -n " ${message} "
+
+    i="${nr_chars}"
+    while [ ${i} -gt 0 ] ; do
+	echo -n "#"
+	i="$(expr ${i} - 1)"
+    done
+    echo
+}
+
+build_and_git_rebase_continue()
+{
+    commits="$1"
+    commit=1
+
+    while true ; do
+        print_header "[ ${commit} of ${commits} ]"
+        guix build --file=scripts/guix.scm || die "guix build failed"
+        commit="$(expr ${commit} + 1)"
+        git rebase --continue || break
+    done
+}
+
+if [ $# -eq 2 ] && [ "$1" == "build-from" ] ; then
+    base_commit="$2"
+    nr_commits="$(git log --oneline ${base_commit}~1..HEAD --oneline | wc -l)"
+    GIT_EDITOR="sed 's#^pick #edit #g' -i " git rebase -i "${base_commit}"
+    build_and_git_rebase_continue "${nr_commits}"
+elif [ $# -eq 1 ] && [ "$1" == "continue" ] ; then
+    nr_commits="$(git log --oneline REBASE_HEAD~1..ORIG_HEAD --oneline | wc -l)"
+    build_and_git_rebase_continue "${nr_commits}"
+else
+    usage
+fi
-- 
2.35.1