Revert "Build: Use fakeroot if non-root build is possible"

This reverts commit 3d342f72a7.

This is causing trouble for macOS users. Also it's painfully slow
compared to using the sudo method. This should definitely not be
the default since it punishes people who have genext2fs installed.

Kernel/build-image-qemu.sh

@@ -8,7 +8,7 @@ die() {
 }
 
 if [ "$(id -u)" != 0 ]; then
-    die "this script needs to run as root (or with fakeroot)"
+    die "this script needs to run as root"
 fi
 if [ "$(uname -s)" = "Darwin" ]; then
     export PATH="/usr/local/opt/e2fsprogs/bin:$PATH"
@@ -19,10 +19,6 @@ qemu-img create _disk_image "${DISK_SIZE:-600}"m || die "could not create disk i
 chown "$SUDO_UID":"$SUDO_GID" _disk_image || die "could not adjust permissions on disk image"
 echo "done"
 
-use_genext2fs=0
-if command -v genext2fs 1>/dev/null ; then
-    use_genext2fs=1
-else
 printf "creating new filesystem... "
 if [ "$(uname -s)" = "OpenBSD" ]; then
     VND=$(vnconfig _disk_image)
@@ -42,6 +38,7 @@ else
 
 printf "mounting filesystem... "
 mkdir -p mnt
+use_genext2fs=0
 if [ "$(uname -s)" = "Darwin" ]; then
     fuse-ext2 _disk_image mnt -o rw+,allow_other,uid=501,gid=20 || die "could not mount filesystem"
 elif [ "$(uname -s)" = "OpenBSD" ]; then
@@ -49,10 +46,16 @@ else
 elif [ "$(uname -s)" = "FreeBSD" ]; then
     fuse-ext2 -o rw+ "/dev/${MD}" mnt/ || die "could not mount filesystem"
 else
-        mount _disk_image mnt/ || die "could not mount filesystem"
+    if ! mount _disk_image mnt/ ; then
+        if command -v genext2fs 1>/dev/null ; then
+            echo "mount failed but genext2fs exists, use it instead"
+            use_genext2fs=1
+        else
+            die "could not mount filesystem and genext2fs is missing"
+        fi
+    fi
 fi
 echo "done"
-fi
 
 cleanup() {
     if [ -d mnt ]; then
@@ -61,13 +64,11 @@ cleanup() {
             umount mnt || ( sleep 1 && sync && umount mnt )
         fi
         rm -rf mnt
-        if [ $use_genext2fs = 0 ] ; then
         if [ "$(uname -s)" = "OpenBSD" ]; then
             vnconfig -u "$VND"
         elif [ "$(uname -s)" = "FreeBSD" ]; then
             mdconfig -d -u "$MD"
         fi
-        fi
         echo "done"
     fi
 }
@@ -80,9 +81,7 @@ if [ $use_genext2fs = 1 ]; then
     # genext2fs is very slow in generating big images, so I use a smaller image here. size can be updated
     # if it's not enough.
     # not using "-i 128" since it hangs. Serenity handles whatever default this uses instead.
-    printf "generating filesystem... "
     genext2fs -b 250000 -d mnt _disk_image || die "try increasing image size (genext2fs -b)"
-    echo "done"
     # if using docker with shared mount, file is created as root, so make it writable for users
     chmod 0666 _disk_image
 fi

Kernel/makeall.sh

@@ -16,9 +16,7 @@ while [ "$1" != "" ]; do
     shift
 done
 
-if ! (command -v genext2fs 1>/dev/null && command -v fakeroot 1>/dev/null); then
 sudo id
-fi
 
 MAKE="make"
 
@@ -29,11 +27,11 @@ fi
 if [ "$fast_mode" = "1" ]; then
     $MAKE -C ../ && \
         $MAKE -C ../ install &&
-        ./sync.sh
+        sudo -E PATH="$PATH" ./build-image-qemu.sh
 else
     $MAKE -C ../ clean && \
         $MAKE -C ../ && \
         $MAKE -C ../ test && \
         $MAKE -C ../ install &&
-        ./sync.sh
+        sudo -E PATH="$PATH" ./build-image-qemu.sh
 fi

Kernel/sync.sh

@@ -4,8 +4,4 @@ set -e
 script_path=$(cd -P -- "$(dirname -- "$0")" && pwd -P)
 cd "$script_path"
 
-if command -v genext2fs 1>/dev/null && command -v fakeroot 1>/dev/null; then
-    fakeroot ./build-image-qemu.sh
-else
 sudo -E PATH="$PATH" ./build-image-qemu.sh
-fi