45 lines
1.4 KiB
Bash
Executable File
45 lines
1.4 KiB
Bash
Executable File
#! /bin/bash
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# This clones a project from github into a named subdirectory
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# If the project has a branch with the same name as this branch
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# then it will checkout that branch after cloning.
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# Otherwise it will checkout "origin/develop."
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# The first argument is the name of the directory to checkout
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# the branch into.
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# The second argument is the URL of the remote repository to checkout.
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# Usually something like https://github.com/matrix-org/sytest.git
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set -eux
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NAME=$1
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PROJECT=$2
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BASE=".$NAME-base"
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# Update our mirror.
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if [ ! -d ".$NAME-base" ]; then
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# Create a local mirror of the source repository.
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# This saves us from having to download the entire repository
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# when this script is next run.
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git clone "$PROJECT" "$BASE" --mirror
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else
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# Fetch any updates from the source repository.
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(cd "$BASE"; git fetch -p)
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fi
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# Remove the existing repository so that we have a clean copy
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rm -rf "$NAME"
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# Cloning with --shared means that we will share portions of the
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# .git directory with our local mirror.
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git clone "$BASE" "$NAME" --shared
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# Jenkins may have supplied us with the name of the branch in the
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# environment. Otherwise we will have to guess based on the current
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# commit.
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: ${GIT_BRANCH:="origin/$(git rev-parse --abbrev-ref HEAD)"}
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cd "$NAME"
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# check out the relevant branch
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git checkout "${GIT_BRANCH}" || (
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echo >&2 "No ref ${GIT_BRANCH} found, falling back to develop"
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git checkout "origin/develop"
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)
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