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24 lines
1.0 KiB
24 lines
1.0 KiB
#!/bin/bash
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# Based on this post:
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# https://engineering.brigad.co/only-deploy-services-impacted-by-changes-in-a-mono-repository-18f54b8ac109
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APP=$1
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# Jenkins should provide these in the environment by default
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GIT_COMMIT=$2
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GIT_PREVIOUS_COMMIT=$3
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ROOT_FILES_AND_FOLDERS=${4:-"package.json" "yarn.lock" ".dockerignore" "docker" "jenkins"}
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function join_by { local IFS="$1"; shift; echo "$*"; }
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function package_changed { git diff --name-only "$COMMIT_RANGE" | grep -qE "^packages/$1/" && echo true || echo false; }
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COMMIT_RANGE="$GIT_PREVIOUS_COMMIT...$GIT_COMMIT"
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ROOT_FILES_AND_FOLDERS_ARRAY=($ROOT_FILES_AND_FOLDERS)
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ROOT_FILES_AND_FOLDERS_JOINED=$(join_by "|" ${ROOT_FILES_AND_FOLDERS_ARRAY[*]})
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ROOT_FILES_CHANGED=$(git diff --name-only "$COMMIT_RANGE" | grep -qE "^($ROOT_FILES_AND_FOLDERS_JOINED)" && echo true || echo false)
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IS_FORCE_BUILD=$(git log --oneline "$COMMIT_RANGE" | grep -qE "ci: force" && echo true || echo false)
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APP_FILES_CHANGED=$(package_changed ${APP})
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($IS_FORCE_BUILD || $ROOT_FILES_CHANGED || $APP_FILES_CHANGED) && echo 0 || echo 1
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