a script that vendors asm and writes itself as git commit 'transaction data'

vendor_asm.sh

#!/bin/bash

# author Ghadi Shayban <gshayban@gmail.com>
set -e

if [ -z ${1+x} ]
then
  echo provide an asm git sha / ref
  exit 1
fi

GITREF=$1

URI=https://gitlab.ow2.org/asm/asm.git

ASM_CHECKOUT=asm
CLJASM=src/jvm/clojure/asm

git clone --no-checkout $URI $ASM_CHECKOUT
pushd $ASM_CHECKOUT
git checkout $GITREF
GITREF=$(git rev-parse HEAD) # resolve refs
popd

git rm -r --ignore-unmatch $CLJASM

rsync -rt \
  $ASM_CHECKOUT/asm/src/main/java/org/objectweb/asm/ \
  $ASM_CHECKOUT/asm-commons/src/main/java/org/objectweb/asm/ \
  $ASM_CHECKOUT/asm-tree/src/main/java/org/objectweb/asm/ \
  $CLJASM \
  --include '*.java' \
  --include '*/' \
  --exclude '*'

find $CLJASM -name '*.java' -print0 | xargs -0 sed -iBAK 's/org.objectweb.asm/clojure.asm/g'
find $CLJASM -name '*BAK' -delete

git add $CLJASM

cat - "${BASH_SOURCE[0]}" > COMMIT_MSG <<EOM
vendor asm to sha $GITREF

the following script vendors asm, asm-commons and asm-tree 
in \$CLOJURE/src/main/java under the package clojure.asm

EOM

git commit -F COMMIT_MSG
rm -rf COMMIT_MSG $ASM_CHECKOUT