Find the commit to build from
-----------------------------

Check the latest F42 build:

    $> koji list-builds --package=java-latest-openjdk --state=COMPLETE | grep "23\..*fc42" | sort -V | tail -1 | awk '{print $1}'
    java-latest-openjdk-23.0.2.0.7-6.rolling.fc42

Find the source:

    $> koji buildinfo  java-latest-openjdk-23.0.2.0.7-6.rolling.fc42 | grep '^Source:' | awk '{print $2}'
    git+https://src.fedoraproject.org/rpms/java-latest-openjdk.git#4f9e2ac494d85342e4a56f92cf2c3320647ea27a

Let's check how many commits 4f9e2ac494d85342e4a56f92cf2c3320647ea27a behind
HEAD.  (We don't need to apply them all)

    $> git log 4f9e2ac494d85342e4a56f92cf2c3320647ea27a..HEAD  --oneline
    64a3cf8 (HEAD -> main-riscv64, origin/main-riscv64, kashyapc-r/main-riscv64) Remove riscv64 from simdsort_arches
    1dfe7bc Fix src_image path on riscv64
    8348683 Add riscv64
    4b66ec1 Merge remote-tracking branch 'up/main' into main-riscv64
    0f023d6 Switch buildjdkver to being featurever (19)
    541022e Add riscv64 to sa_arches
    1e5d0a2 Bootstrap OpenJDK 19

Checkout a branch based on the commit from which
java-latest-openjdk-23.0.2.0.7-6.rolling.fc42 was built:

    $> git checkout -b draft-f43-23-riscv64 4f9e2ac494d85342e4a56f92cf2c3320647ea27a


Figure out the 'diff' with portable
-----------------------------------

And that's the 'diff' between upstream 'f43' and rocks 'f43-23-riscv64'
for "java-latest-openjdk-portable":

    $> git log --oneline fedora/f43..origin/f43-23-riscv64
    c3920a8 (HEAD -> f43-23-riscv64, origin/f43-23-riscv64) Try to use -fpermissive to avoid compile errors
    0bcafdb Set a proper buildjdkver 22 -> 23
    d98d586 Bootstrap OpenJDK 23 for riscv64


Tips to save time (thanks, David)
---------------------------------

- Exclude "JavaCallWrapper" GDB symbol check on riscv64:

  (See: http://fedora.riscv.rocks:3000/rpms/java-21-openjdk/commit/3c536363fa764b585dd7fc2d50e57df244b8ac27)
  
- Disable debug package: global debug_package %{nil}
  
  (See: http://fedora.riscv.rocks:3000/rpms/java-21-openjdk/commit/2df5cccdb4761fd6ba8f65a601a8c2d6912a84d7)
  
- You probably need to fix "src_image':

  (See: http://fedora.riscv.rocks:3000/rpms/java-21-openjdk/commit/2df5cccdb4761fd6ba8f65a601a8c2d6912a84d7)
  (See also: "Fix src_image path on riscv64" -- http://fedora.riscv.rocks:3000/rpms/java-latest-openjdk/commit/1dfe7bc90b1)

    * * *

Final list:
-----------------------------------------------------------------------
• [X] "Use '-fpermissive' flag to compile errors"
• [X] "Bootstrap OpenJDK 23 for riscv64"
• [X] "Exclude "JavaCallWrapper" GDB symbol check on riscv64"
• [X] "Fix src_image path on riscv64"
• [X] "Disable debug config"
• [Not required] "Remove riscv64 from simdsort_arches" - it's already in
  via b706724c8e, "libsimdsort.so built only on simdsort_arches x86_64"]
-----------------------------------------------------------------------

Result:
http://fedora.riscv.rocks:3000/rpms/java-latest-openjdk/src/branch/f43-23-riscv64/


Build
-----

NB: They must be built in F42 then tagged into F43.

$> riscv-koji build --wait-repo --nowait f42 "git+http://fedora.riscv.rocks:3000/rpms/java-latest-openjdk.git#bfea406290524d785abe12a89349403d54b523d8"
$> riscv-koji set-task-priority --priority 18 110970