39 lines
1.2 KiB
Bash
39 lines
1.2 KiB
Bash
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#!/bin/bash
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set -u
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set -e
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my_mirror=git.example.com/org/project
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echo "Mirroring ${GIT_REPO_ID}#${GIT_REF_NAME} to $my_mirror ..."
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# See the Git Credentials Cheat Sheet
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# https://coolaj86.com/articles/vanilla-devops-git-credentials-cheatsheet/
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if [[ ! -d "$HOME/git-mirrors/${GIT_REPO_ID}" ]]; then
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mkdir -p "$(dirname "$HOME/git-mirrors/${GIT_REPO_ID}")"
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git clone "${GIT_CLONE_URL}" "$HOME/git-mirrors/${GIT_REPO_ID}"
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pushd "$HOME/git-mirrors/${GIT_REPO_ID}"
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git remote add mirror ssh://git@${my_mirror}.git
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git fetch --all
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popd
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fi
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pushd "${HOME}/git-mirrors/${GIT_REPO_ID}"
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# get a random branch name
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my_tmp="$(xxd -l8 -ps /dev/urandom)"
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# get clean
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git reset --hard HEAD
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# make a temp branch
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git checkout -b "${my_tmp}"
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# delete the existing branch, if any
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git branch -D "${GIT_REF_NAME}"
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# get updated
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git fetch --force origin
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# get the latest branch
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git checkout --force "origin/${GIT_REF_NAME}" -b "${GIT_REF_NAME}"
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# delete the temp branch
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git branch -D "${my_tmp}"
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# get the latest of this branch
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git pull --force
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# overwrite the mirror's copy
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git push --force mirror "${GIT_REF_NAME}"
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popd
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