From 79df7da6d854840c2069844370827a9b745364c0 Mon Sep 17 00:00:00 2001
From: Matheus <matheusuky@gmail.com>
Date: Tue, 3 Sep 2024 23:22:12 -0300
Subject: [PATCH] add scripts for build

---
 .gitignore   |  3 +++
 gendisk.sh   | 43 +++++++++++++++++++++++++++++++++++++++++++
 geninitrd.sh | 40 ++++++++++++++++++++++++++++++++++++++++
 3 files changed, 86 insertions(+)
 create mode 100755 gendisk.sh
 create mode 100755 geninitrd.sh

diff --git a/.gitignore b/.gitignore
index 9bba5a87..d01eea1d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -26,3 +26,6 @@ tools/init/reboot
 tools/init/reboot.o
 tools/init/acpid
 tools/init/acpid.o
+initrds
+hdd.img
+netdump.dat
diff --git a/gendisk.sh b/gendisk.sh
new file mode 100755
index 00000000..5f665ac3
--- /dev/null
+++ b/gendisk.sh
@@ -0,0 +1,43 @@
+#!/usr/bin/bash
+
+if [ $# != 3 ]
+then
+	echo "usage: $0 size sysrootdir diskname"
+	exit 1
+fi
+
+if [ -z $2 ]
+then
+	echo "please pass a non empty sysroot"
+	exit 1
+fi
+
+if [ -z $3 ]
+then
+	echo "please pass a non empty disk name"
+	exit 1
+fi
+
+if [ -z "$(which fakeroot)" ]
+then
+	echo "script requires fakeroot to run, please install it."
+	exit 1
+fi
+
+
+PATH="/usr/sbin/:$PATH" fakeroot << EOF
+# create image
+truncate $3 -s $1
+
+# chown to proper uids, keeping setuid bits
+find $2/ ! -type l -perm -04000 -exec chown -h 0:0 {} + \
+                                      -exec chmod u+s {} +
+find $2/ ! -type l ! -perm -04000 -exec chown 0:0 -h {} +
+
+find $2/home/astral ! -type l -perm -04000 -exec chown -h 1000:1000 {} + \
+                                      -exec chmod u+s {} +
+find $2/home/astral ! -type l ! -perm -04000 -exec chown -h 1000:1000 {} +
+
+# create filesystem and copy files into image
+mkfs.ext2 -O ^dir_index $3 -d $2
+EOF
diff --git a/geninitrd.sh b/geninitrd.sh
new file mode 100755
index 00000000..a55945e1
--- /dev/null
+++ b/geninitrd.sh
@@ -0,0 +1,40 @@
+#!/usr/bin/bash
+
+if [ $# != 2 ]
+then
+	echo "usage: $0 sysrootdir initrdfullpath"
+	exit 1
+fi
+
+if [ -z $1 ]
+then
+	echo "please pass a non empty sysroot"
+	exit 1
+fi
+
+if [ -z $2 ]
+then
+	echo "please pass a non empty initrd full path"
+	exit 1
+fi
+
+if [ -z "$(which fakeroot)" ]
+then
+	echo "script requires fakeroot to run, please install it."
+	exit 1
+fi
+
+fakeroot << EOF
+# chown to proper uids, keeping setuid bits
+find $1/ ! -type l -perm -04000 -exec chown -h 0:0 {} + \
+                                      -exec chmod u+s {} +
+find $1/ ! -type l ! -perm -04000 -exec chown 0:0 -h {} +
+
+find $1/home/astral ! -type l -perm -04000 -exec chown -h 1000:1000 {} + \
+                                      -exec chmod u+s {} +
+find $1/home/astral ! -type l ! -perm -04000 -exec chown -h 1000:1000 {} +
+
+# create initrd
+cd $1
+tar --format=ustar -cf $2 *
+EOF