Nexus Artifact Migration for macOS with zsh. In case you need to copy artifact from Nexus to another nexus repository

move_artifact_from_jfrog_to_nexus.sh

#!/bin/zsh
#  Copy artifact from JFrog to another Nexus
# 
#  ## Prerequisites: ##
#  * macOS
#  * zsh
#  * jq
#  * wget
#  * curl
#  * JFrog
#  * Nexus v3
#
#  ## Usage ##
#  ./move_artifact_jfrog_to_nexus.sh \
#      -h "<source_jfrog_host>" \
#      -u "<source_jfrog_username>" \
#      -p "<source_jfrog_password>" \
#      -r "<source_jfrog_repository>" \
#      -g "<group_id>" \
#      -a "<artifact_id>" \
#      -v "<artifact_version>" \
#      -H "<target_nexus_host>" \
#      -U "<target_nexus_username>" \
#      -P "<target_nexus_password>" \
#      -R "<target_nexus_repository>"
#
#  ## Example ##
#  ./move_artifact_jfrog_to_nexus.sh \
#      -h "jfrog.host1.com" \
#      -u "host1_username" \
#      -p "host1_password" \
#      -r "release" \
#      -g "com.akexorcist" \
#      -a "sleepingforless" \
#      -v "1.0.0" \
#      -H "nexus.host2.com" \
#      -U "host2_username" \
#      -P "host2_password" \
#      -R "maven-release"
#    
#  ## Special Thanks ##
#  * https://github.com/metallaw/scripts/blob/master/nexus_migration/nexus_copy_artifacts.sh
#  * ChatGPT
#
#####################################################################################################
# Define opts
while getopts h:u:p:r:g:a:v:H:U:P:R: option
do
case "${option}"
in
h) HOST=${OPTARG};;
u) USER=${OPTARG};;
p) PASSWORD=${OPTARG};;
r) REPO=${OPTARG};;
g) GROUP_ID=${OPTARG};;
a) ARTIFACT_ID=${OPTARG};;
v) ARTIFACT_VERSION=${OPTARG};;
H) TARGET_HOST=${OPTARG};;
U) TARGET_HOST_USER=${OPTARG};;
P) TARGET_HOST_PASSWORD=${OPTARG};;
R) TARGET_REPO=${OPTARG};;
esac
done

# Get all assets for soecified repository and extract download URL
# https://repo.navercorp.com/api/storage/maven-release/com/linecorp/planetkit/planetkit/5.0.11
GROUP_PATH=$(echo "$GROUP_ID" | sed 's/\./\//g')
SOURCE_PATH="http://${HOST}/api/storage/${REPO}/${GROUP_PATH}/${ARTIFACT_ID}/${ARTIFACT_VERSION}"
curl -X GET -u ${USER}:"${PASSWORD}" "${SOURCE_PATH}" | jq -r --arg SOURCE_PATH "$SOURCE_PATH" '.children| .[]| $SOURCE_PATH + .uri' > temp_metadata_${REPO}
declare -p metadata_urls
metadata_urls=("${(@f)$(< ./temp_metadata_${REPO})}")
for i in "${metadata_urls[@]}"
do
 curl -X GET -u ${USER}:"${PASSWORD}" "${i}" | jq -r --arg SOURCE_PATH "$SOURCE_PATH" '.downloadUri' >> temp_file_${REPO}
done
rm temp_metadata_${REPO}
# Read download urls into array
declare -p urls
urls=("${(@f)$(< ./temp_file_${REPO})}")
# Create temp directory for storing the artifacts - be aware that you got enough free disk space! Of course you can also change the location here ;)
mkdir -p ./assets
# wget all artifacts from array
for i in "${urls[@]}"
do
 wget --cut-dirs=1 -nH -x -P ./assets ${i}
done
rm temp_file_${REPO}
# Upload the artifacts to the target instance
cd assets/
find ./ -type f | sed "s#^.//##" | xargs -I '{}' curl -v -u "${TARGET_HOST_USER}:${TARGET_HOST_PASSWORD}" -T {} https://${TARGET_HOST}/repository/${TARGET_REPO}/{};
# Clean up temp directory
cd ..
rm -rf assets
exit 0

move_artifact_from_nexus_to_nexus.sh

#!/bin/zsh
#  Copy artifact from Nexus to another Nexus
# 
#  ## Prerequisites: ##
#  * macOS
#  * zsh
#  * jq
#  * wget
#  * curl
#  * Nexus v3
#
#  ## Usage ##
#  ./move_artifact_nexus_to_nexus.sh \
#      -h "<source_nexus_host>" \
#      -u "<source_nexus_username>" \
#      -p "<source_nexus_password>" \
#      -r "<source_nexus_repository>" \
#      -g "<group_id>" \
#      -a "<artifact_id>" \
#      -v "<artifact_version>" \
#      -H "<target_nexus_host>" \
#      -U "<target_nexus_username>" \
#      -P "<target_nexus_password>" \
#      -R "<target_nexus_repository>"
#
#  ## Example ##
#  ./move_artifact_nexus_to_nexus.sh \
#      -h "nexus.host1.com" \
#      -u "host1_username" \
#      -p "host1_password" \
#      -r "release" \
#      -g "com.akexorcist" \
#      -a "sleepingforless" \
#      -v "1.0.0" \
#      -H "nexus.host2.com" \
#      -U "host2_username" \
#      -P "host2_password" \
#      -R "maven-release"
#    
#  ## Special Thanks ##
#  * https://github.com/metallaw/scripts/blob/master/nexus_migration/nexus_copy_artifacts.sh
#  * ChatGPT
#
#####################################################################################################
# Define opts
while getopts h:u:p:r:g:a:v:H:U:P:R: option
do
case "${option}"
in
h) HOST=${OPTARG};;
u) USER=${OPTARG};;
p) PASSWORD=${OPTARG};;
r) REPO=${OPTARG};;
g) GROUP_ID=${OPTARG};;
a) ARTIFACT_ID=${OPTARG};;
v) ARTIFACT_VERSION=${OPTARG};;
H) TARGET_HOST=${OPTARG};;
U) TARGET_HOST_USER=${OPTARG};;
P) TARGET_HOST_PASSWORD=${OPTARG};;
R) TARGET_REPO=${OPTARG};;
esac
done

# Get all assets for soecified repository and extract download URL
curl -X GET -u ${USER}:"${PASSWORD}" "https://${HOST}/service/rest/v1/search/assets?repository=${REPO}&maven.groupId=${GROUP_ID}&maven.artifactId=${ARTIFACT_ID}&maven.baseVersion=${ARTIFACT_VERSION}" | jq -r '.items| .[]| .downloadUrl' > temp_${REPO}
# Read download urls into array
declare -p urls
urls=("${(@f)$(< ./temp_${REPO})}")
# Create temp directory for storing the artifacts - be aware that you got enough free disk space! Of course you can also change the location here ;)
mkdir -p ./assets
# wget all artifacts from array
for i in "${urls[@]}"
do
 wget --cut-dirs=2 -nH -x -P ./assets ${i}
done
rm temp_${REPO}
# Upload the artifacts to the target instance
cd assets/
find ./ -type f | sed "s#^.//##" | xargs -I '{}' curl -v -u "${TARGET_HOST_USER}:${TARGET_HOST_PASSWORD}" -T {} https://${TARGET_HOST}/repository/${TARGET_REPO}/{};
# Clean up temp directory
cd ..
rm -rf assets
exit 0