Oleg Hahm
7 years ago
13 changed files with 155 additions and 26 deletions
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# Overview |
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This directory contains some git tools used by RIOT's build system |
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## git-cache |
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Simple git caching script, from https://github.com/kaspar030/git-cache |
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If git-cache is unconfigured, the script pulls from the given remote location. |
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In order to set up the cache, do: |
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- install the git-cache binary into path. |
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This will make the script available as "git cache ...". |
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Alternatively, directly execute it. |
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- run "git cache init", which initializes a git cache in ${HOME}/.gitcache. |
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The used path can be overridden using the "GIT_CACHE_DIR" environment |
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variable. |
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The cache repository will be used to cache multiple remote repositories. |
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- add a repository to the cache: "git cache add \<name\> \<URL\> |
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- whenever needed (at least once after adding a repository), |
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run "git cache update" |
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#!/bin/sh |
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git_cache() { |
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git -C "${GIT_CACHE_DIR}" $* |
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} |
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init() { |
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set -ex |
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test -d "${GIT_CACHE_DIR}/.git" || { |
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mkdir -p "${GIT_CACHE_DIR}" |
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git_cache init --bare |
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git_cache config core.compression 1 |
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} |
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set +ex |
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} |
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add() { |
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set -ex |
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git_cache remote add $1 $2 |
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set +ex |
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} |
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update() { |
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set -ex |
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local REMOTE=${1:---all} |
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git_cache fetch $REMOTE |
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set +ex |
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} |
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list() { |
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local REMOTES="$(git_cache remote show)" |
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for remote in $REMOTES; do |
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echo "${remote}: $(git_cache remote get-url $remote)" |
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done |
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} |
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drop() { |
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set -ex |
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local REMOTE=${1} |
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[ -z "$REMOTE" ] && { |
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echo "usage: git cache drop <name>" |
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exit 1 |
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} |
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git_cache remote remove $REMOTE |
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set +ex |
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} |
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_check_commit() { |
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git_cache cat-file -e ${1}^{commit} |
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} |
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clone() { |
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set -ex |
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local REMOTE="${1}" |
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local SHA1="${2}" |
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local REMOTE_NAME="$(basename $REMOTE)" |
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local TARGET_PATH="${3:-${REMOTE_NAME}}" |
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if _check_commit $2 2>&1; then |
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git init "${TARGET_PATH}" |
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git_cache tag commit$SHA1 $SHA1 || true # ignore possibly already existing tag |
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git -C "${TARGET_PATH}" fetch --depth=1 "${GIT_CACHE_DIR}" refs/tags/commit$SHA1 |
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git -C "${TARGET_PATH}" checkout FETCH_HEAD |
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else |
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git clone "${REMOTE}" "${TARGET_PATH}" |
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git -C "${TARGET_PATH}" checkout $SHA1 |
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fi |
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set +ex |
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} |
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usage() { |
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echo "git cache uses a bare git repository containing all objects from multiple" |
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echo "upstream git repositories." |
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echo "" |
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echo "usage:" |
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echo "" |
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echo " git cache init initialize git cache" |
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echo " git cache add <name> <url> add repository <url> with name <name>" |
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echo " git cache list list cached repositories" |
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echo " git cache drop <name> drop repo from cache" |
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echo " git cache update [<name>] fetch repo named <name> (or all)" |
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echo " git cache clone <url> <SHA1> clone repository <url> from cache" |
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echo " git cache show-path print's the path that can be used as " |
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echo " '--reference' parameter" |
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echo "" |
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echo "To retrieve objects from cache (will use remote repository if needed):" |
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echo ' git clone --reference $(git cache show-path) <repo>' |
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} |
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ACTION=$1 |
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shift |
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export GIT_CACHE_DIR=${GIT_CACHE_DIR:-${HOME}/.gitcache} |
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case $ACTION in |
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init) |
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init $* |
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;; |
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add) |
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add $* |
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;; |
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update) |
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update $* |
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;; |
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list) |
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list $* |
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;; |
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drop) |
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drop $* |
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;; |
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show-path) |
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echo ${GIT_CACHE_DIR} |
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;; |
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clone) |
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clone $* |
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;; |
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*) |
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usage |
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;; |
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esac |
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