53 lines
1.4 KiB
Bash
Executable File
53 lines
1.4 KiB
Bash
Executable File
#!/bin/bash
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set -euo pipefail
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DEBUG=${DEBUG:-false}
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FETCH_INTERVAL=${FETCH_INTERVAL:-3600}
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REPOS=( public secret )
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SSH_KEY=${SSH_KEY:-fafnir}
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# Print debug messages if enabled by ${DEBUG}
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function debug {
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[[ "${DEBUG}" = "false" ]] && return
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echo "$@" >&2
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}
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function join_by { local d=$1; shift; echo -n "$1"; shift; printf "%s" "${@/#/$d}"; }
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# Wrap git to work with git-dir and work-tree being in other locations
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function gwrap {
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hub --git-dir=${HOME}/.cfg/${REPO} --work-tree=${HOME} $@
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}
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# Ensure we're connected to network before acting
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if ! ( ping -q -c 1 8.8.8.8 >/dev/null ); then
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debug "No network connection, not checking"
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exit 0
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fi
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STAT_PARM="-c %Y"
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[[ "$(uname -s)" = "Darwin" ]] && STAT_PARM="-f %m"
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NEED_UPDATE=()
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# Check repos for updates
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for REPO in ${REPOS[@]}; do
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LAST_FETCH=0
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[ -f ~/.cfg/${REPO}/FETCH_HEAD ] && LAST_FETCH=$(stat ${STAT_PARM} ~/.cfg/${REPO}/FETCH_HEAD)
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if [ $(( $(date +%s) - ${LAST_FETCH} )) -gt ${FETCH_INTERVAL} ] || \
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[ $(wc -c ~/.cfg/${REPO}/FETCH_HEAD | cut -d' ' -f1) -eq 0 ]; then
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vault-sshadd ${SSH_KEY} 2>&1 >/dev/null || { echo "Unable to load key ${SSH_KEY}"; exit 1; }
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gwrap fetch -q origin master
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fi
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LOCAL=$(gwrap rev-parse HEAD)
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REMOTE=$(gwrap rev-parse FETCH_HEAD)
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if ! [[ "${LOCAL}" = "${REMOTE}" ]]; then
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NEED_UPDATE+=("'${REPO}'")
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fi
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done
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if [ ${#NEED_UPDATE[@]} -gt 0 ]; then
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echo "Config repo $(join_by ", " "${NEED_UPDATE[@]}") needs update"
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fi
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