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#!/bin/sh
# manage local, gitolite-controlled, copies of read-only upstream repos.
repo=$2
url=$(gitolite git-config $repo gitolite-options.upstream.url)
[ -z "$url" ] && exit 0 # exit if no url was specified
cd $GL_REPO_BASE/$repo.git || exit 1
[ "$1" != "fetch" ] && {
nice=$(gitolite git-config $repo gitolite-options.upstream.nice)
[ -n "$nice" ] && find FETCH_HEAD -mmin -$nice 2>/dev/null | grep . >/dev/null && exit 0
}
git fetch -q "$url" '+refs/*:refs/*'
# ----------------------------------------------------------------------
# FEATURES:
# * invokes upstream fetch on each local fetch
# (unless the optional 'nice' setting is enabled)
# * can force a fetch (ignoring 'nice' value) from server CLI
# INSTRUCTIONS:
#
# * uncomment 'upstream' in the ENABLE list in the rc file.
# * add option lines to conf file. For example:
#
# repo git
# R = @all
# RW+ my-company/ = @developers
#
# option upstream.url = https://git.kernel.org/pub/scm/git/git.git
# option upstream.nice = 120
#
# * to force a fetch on the server shell (or via cron), run this command:
# gitolite ../triggers/upstream fetch reponame
# ADDITIONAL NOTES:
# * restrict local pushes to a namespace that the upstream won't use
# (otherwise the next fetch will wipe them out)
# * if the upstream URL changes, just change the conf and push admin repo
# * the 'nice' setting is in minutes and is optional; it is the minimum
# elapsed time between 2 upstream fetches.
# USAGE EXAMPLE:
#
# Let's say you want to keep a read-only local mirror of all your github repos
# on your local gitolite installation. Assuming your github usernames are the
# same as your local usernames, and you have updated GIT_CONFIG_KEYS in the rc
# file to allow 'config' lines, you can do this:
#
# repo github/CREATOR/..*
# C = @all
# R = @all
# option upstream.url = https://github.com/%GL_REPO.git
# option upstream.nice = 120
# config url.https://github.com/.insteadOf = https://github.com/github/
#
# Now you can make local, read-only, clones of all your github repos with
#
# git ls-remote gitolite:github/sitaramc/gitolite
# git ls-remote gitolite:github/sitaramc/hap
# (etc)
#
# and if milki were also a user on this gitolite instance, then
#
# git ls-remote gitolite:github/milki/xclip
# git ls-remote gitolite:github/milki/ircblogger
# (etc)
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