Corrupt binaries when packaging with makepkg (arch linux's build tool) about bcachefs HOT 13 CLOSED

diff --git a/PKGBUILD b/PKGBUILD
index fea45de..36633c6 100755
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -6,8 +6,11 @@
 ### BUILD OPTIONS
 # Set these variables to ANYTHING that is not null to enable them
 
+_ver=5.0.1
+_srcver=v${_ver}-arch1
 # Tweak kernel options prior to a build via nconfig
 _makenconfig=
+EDITOR=`which true`
 
 # Compile ONLY probed modules
 # As of mainline 2.6.32, running with this option will only build the modules
@@ -23,8 +26,7 @@ _makenconfig=
 # More at this wiki page ---> https://wiki.archlinux.org/index.php/Modprobed-db
 _localmodcfg=
 
-pkgbase=linux-bcachefs-git
-_srcver=4.20.5-arch1
+pkgbase=linux-bcachefs-tst
 pkgver=${_srcver//-/.}
 pkgrel=1
 arch=(x86_64)
@@ -33,9 +35,8 @@ license=(GPL2)
 makedepends=(xmlto kmod inetutils bc libelf git python-sphinx graphviz)
 options=('!strip')
 _gcc_more_v='20180509'
-_srcname=bcachefs
+_srcname=linux
 source=(
-  "$_srcname::git+https://evilpiepirate.org/git/bcachefs.git"
   "enable_additional_cpu_optimizations-$_gcc_more_v.tar.gz::https://github.com/graysky2/kernel_gcc_patch/archive/$_gcc_more_v.tar.gz" # enable_additional_cpu_optimizations_for_gcc
   config         # the main kernel config file
   60-linux.hook  # pacman hook for depmod
@@ -46,7 +47,7 @@ validpgpkeys=(
   'ABAF11C65A2970B130ABE3C479BE3E4300411886'  # Linus Torvalds
   '647F28654894E3BD457199BE38DBBDC86092693E'  # Greg Kroah-Hartman
 )
-sha256sums=('SKIP'
+sha256sums=(
             '226e30068ea0fecdb22f337391385701996bfbdba37cdcf0f1dbf55f1080542d'
             '828a1411c41f9fa47af90f8e0ae9742866de16dff2cadb2dbb06f41009ac8201'
             'ae2e95db94ef7176207c690224169594d49445e04249d2499e9d2fbc117a0b21'
@@ -56,16 +57,50 @@ sha256sums=('SKIP'
 _kernelname=${pkgbase#linux}
 : ${_kernelname:=-ARCH}
 
-prepare() {
-  cd $_srcname
 
-  msg2 "Adding patches from Arch Linux kernel repository..."
-  git remote add arch_stable https://git.archlinux.org/linux.git
-  git pull arch_stable v$_srcver
-  
+first_run() {
+  git clone https://git.archlinux.org/linux.git
+  cd linux
+  git fetch --tags
+  git checkout $_srcver
+}
+
+patch_with() {
+  git config merge.renameLimit 999999
+  git checkout -b makepkg_"$(date +'%s')"
+
+  git remote add bcachefs http://evilpiepirate.org/git/bcachefs.git || true
+  git fetch bcachefs master
+
+  msg2 "Adding patches from Bcachefs repo ..."
+  if ! git merge bcachefs/master
+  then if ! git diff --name-only --diff-filter=U | xargs git checkout --theirs
+    then git diff --name-only --diff-filter=U |
+      while read line
+      do sleep 0.1; if ! git checkout --theirs $line
+        then sleep 0.1; git rm $line
+        fi
+      done
+    fi
+  fi
+  msg2 "patching Kdebug"
   # https://github.com/graysky2/kernel_gcc_patch
   msg2 "Patching to enabled additional gcc CPU optimizatons..."
   patch -Np1 -i "$srcdir/kernel_gcc_patch-$_gcc_more_v/enable_additional_cpu_optimizations_for_gcc_v8.1+_kernel_v4.13+.patch"
+  git commit -am "makepkg $(date)"
+  git config --unset merge.renameLimit
+}
+
+prepare() {
+  if cd linux 2> /dev/null
+  then make clean || true
+    git reset --hard origin/master
+    git pull origin master
+    git fetch --tags
+    git reset --hard $_srcver
+  else first_run
+  fi
+  patch_with
 
   msg2 "Setting version..."
   scripts/setlocalversion --save-scmversion
@@ -103,7 +138,7 @@ prepare() {
   make -s kernelrelease > ../version
   msg2 "Prepared %s version %s" "$pkgbase" "$(<../version)"
 
-  [[ -z "$_makenconfig" ]] || make nconfig
+  [[ -z "$_makenconfig" ]] || make menuconfig
 
   # save configuration for later reuse
   cat .config > "${startdir}/config.last"
@@ -111,7 +146,7 @@ prepare() {
 
 build() {
   cd $_srcname
-  make bzImage modules htmldocs
+  make bzImage modules #htmldocs
 }
 
 _package() {
@@ -282,7 +317,7 @@ _package-docs() {
   chmod -Rc u=rwX,go=rX "$pkgdir"
 }
 
-pkgname=("$pkgbase" "$pkgbase-headers" "$pkgbase-docs")
+pkgname=("$pkgbase" "$pkgbase-headers") # "$pkgbase-docs")
 for _p in "${pkgname[@]}"; do
   eval "package_$_p() {
     $(declare -f "_package${_p#$pkgbase}")

Filesystem 85bf4cd0-9945-41d8-8d72-b93c618fc93b:
Size:                       5.4T
Used:                       2.0T
By replicas:                  1x          2x          3x          4x
  sb:                          0           0           0           0
  journal:                     0           0           0           0
  btree:                       0           0           0           0
  data:                        0           0           0           0
  cached:                      0           0           0           0
  reserved:                    0       23.9G           0           0
  online reserved:         59.6M

hdd (device 1):                    /dev/sda1   readwrite
                            data     buckets  fragmented
  sb:                     132.0K           1      380.0K
  journal:                512.0M        1024           0
  btree:                    2.8G        9694        1.9G
  data:                  1022.4G     2159192       31.9G
  cached:                      0           0           0
  available:                1.7T     3553263
  capacity:                 2.7T     5723174

hdd (device 2):                    /dev/sdb1   readwrite
                            data     buckets  fragmented
  sb:                     132.0K           1      380.0K
  journal:                512.0M        1024           0
  btree:                    2.8M          10        2.2M
  data:                  1022.3G     2131142       18.2G
  cached:                      0           0           0
  available:                1.7T     3590997
  capacity:                 2.7T     5723174

nvme (device 0):              /dev/nvme0n1p2   readwrite
                            data     buckets  fragmented
  sb:                     132.0K           1      124.0K
  journal:                256.0M        1024           0
  btree:                    2.8G       11614           0
  data:                    40.6M         181        4.6M
  cached:                 437.0G     1827452        9.2G
  available:              454.2G     1860252
  capacity:               457.3G     1873072

bcachefs show-super /dev/nvme0n1p2
External UUID:                  85bf4cd0-9945-41d8-8d72-b93c618fc93b
Internal UUID:                  fafe7b2d-f6db-4b4e-823b-0ee265771dd4
Label:
Version:                        10
Created:                        Tue Jan 29 16:31:26 2019
Block_size:                     4.0K
Btree node size:                256.0K
Error action:                   remount-ro
Clean:                          0
Metadata replicas:              2
Data replicas:                  2
Metadata checksum type:         crc32c (1)
Data checksum type:             crc32c (1)
Compression type:               none (0)
Foreground write target:        Group 0 (nvme)
Background write target:        Group 1 (hdd)
Promote target:                 Group 0 (nvme)
String hash type:               siphash (2)
32 bit inodes:                  0
GC reserve percentage:          8%
Root reserve percentage:        0%
Devices:                        3 live, 3 total
Sections:                       journal,members,replicas_v0,disk_groups,clean,journal_seq_blacklist
Superblock size:                12072

Members (size 176):
  Device 0:
    UUID:                       3fed3b47-259c-4829-8c8c-688e751969a0
    Size:                       457.3G
    Bucket size:                256.0K
    First bucket:               0
    Buckets:                    1873072
    Last mount:                 Sat Jun  1 12:28:11 2019
    State:                      readwrite
    Group:                      nvme (0)
    Data allowed:               journal,btree,data
    Has data:                   (none)
    Replacement policy:         lru
    Discard:                    0
  Device 1:
    UUID:                       97b1b10d-f51d-4831-a007-f49fcd1794a8
    Size:                       2.7T
    Bucket size:                512.0K
    First bucket:               0
    Buckets:                    5723174
    Last mount:                 Sat Jun  1 12:28:11 2019
    State:                      readwrite
    Group:                      hdd (1)
    Data allowed:               journal,btree,data
    Has data:                   (none)
    Replacement policy:         lru
    Discard:                    0
  Device 2:
    UUID:                       da144269-9e39-49cb-a137-375c814910da
    Size:                       2.7T
    Bucket size:                512.0K
    First bucket:               0
    Buckets:                    5723174
    Last mount:                 Sat Jun  1 12:28:11 2019
    State:                      readwrite
    Group:                      hdd (1)
    Data allowed:               journal,btree,data
    Has data:                   (none)
    Replacement policy:         lru
    Discard:                    0

--- /usr/bin/makepkg    2019-03-01 03:41:56.000000000 +0200
+++ makepkg     2019-07-21 11:47:22.353595608 +0300
@@ -1465,10 +1465,10 @@
 
 if [[ $BUILDDIR -ef "$startdir" ]]; then
        srcdir="$BUILDDIR/src"
-       pkgdirbase="$BUILDDIR/pkg"
+       pkgdirbase="/tmp/$BUILDDIR/pkg"
 else
        srcdir="$BUILDDIR/$pkgbase/src"
-       pkgdirbase="$BUILDDIR/$pkgbase/pkg"
+       pkgdirbase="/tmp/$BUILDDIR/$pkgbase/pkg"
 
 fi