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|
#!/bin/sh
#
# Retrieve public web-interface for git repositories,
# then ensure that the same repository tree exists and
# is up to date in the current directory.
# Currently ONLY CGIT is supported for web scrapping.
# user and repository informations
http_url=""
git_remote=""
git_user="git"
git_dir="."
git_branches="trunk master main"
# regexp patterns
pattern_before="<a class='button' href='"
pattern_after="'>"
log() {
echo "[#] $@"
}
usage() {
[[ ! -z ${1} ]] && log "${1}"
cat <<-EOF
usage: git-dlall [-ud] [-p git_repositories] -l http_url -r git_remote
EOF
}
_git_setup() {
valid_branch=""
for branch in ${git_branches}; do
if git branch | grep "${branch}" >/dev/null; then
valid_branch="${branch}"
break
fi
done
# only continue if a valid principal branch is found
[ -z "${valid_branch}" ] && return 1
git pull origin "${valid_branch}" >/dev/null
git branch --set-upstream-to="origin/${valid_branch}" "${valid_branch}" >/dev/null
}
main() {
# retrieve command line arguments
while getopts "d:l:r:u:" arg; do
case "${arg}" in
l)
http_url=${OPTARG}
;;
d)
git_dir=${OPTARG}
;;
u)
git_user=${OPTARG}
;;
p)
git_repositories=${OPTARG}
;;
r)
git_remote=${OPTARG}
;;
*)
usage
exit 1
;;
esac
done
# ensure required variables are not empty
if [ -z "${git_remote}" ] || [ -z "${http_url}" ]; then
usage "missing remote informations"
exit 1
fi
# ensure git root directory exists
if [ ! -d "${git_dir}" ]; then
mkdir "${git_dir}"
[ "${?}" -ne 0 ] && usage && exit 1
fi
# retrieve available repositories
http_content=$(curl --silent --insecure "${http_url}")
repo_list=$(echo "${http_content}" | grep -o "$pattern_before.*$pattern_after" | cut -d "'" -f 4)
# sanitize repositories
for repository in ${repo_list}; do
repository="${repository#/}"
repositories="${repositories} ${repository%/}"
done
# sync repository
for repository in ${repositories}; do
repository_fullpath="${git_dir}/${repository}"
if [ -d "${repository_fullpath}" ]; then
log "repository : ${repository}. check"
else
log "repository : ${repository}. clone"
git clone "${git_user}@${git_remote}:${repository}" "${repository_fullpath}"
fi
(cd "${repository_fullpath}" ; _git_setup)
done
}
main $@
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