106 lines
3.4 KiB
Plaintext
106 lines
3.4 KiB
Plaintext
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#!/bin/bash
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# WARNING 1: probably contains bashisms galore. If you don't have bash,
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# please install it.
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# NOTE 1: this script is initially run as root, then it calls itself with an
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# "su" so it can run as the hosting user.
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# NOTE 2: if you'd rather do this manually, just do the first part as root,
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# and the second part as the hosting user, with only the name of the user
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# (alice) and her pub key (~alice/.ssh/id_rsa.pub) needing to be passed from
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# root to the hosting user id.
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# ------------------------------------------------------------------------------
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# site-local changes
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# the gitolite hosting user you want to forward git commands to. Typically
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# this will be 'git' or perhaps 'gitolite', but actually could be anything
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hosting_user="gitolite-test"
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# absolute path of the gitolite-admin repo
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admin_repo="/home/gitolite-test/repositories/gitolite-admin.git"
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# the full path to the new login shell to replace these users' existing shell
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new_shell="/usr/local/bin/gl-shell"
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my_chsh() {
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# please replace with appropriate command for your OS/distro. This one is
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# suitable at least for Fedora, maybe others also
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chsh -s $new_shell $1
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}
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# remove these 2 lines after you have done your customisation
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[ -f /tmp/done.gl-shell-setup ] || { echo please customise $0 before using; exit 1; }
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# ------------------------------------------------------------------------------
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die() { echo "FATAL: $@" >&2; exit 1; }
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# ------------------------------------------------------------------------------
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euid=$(perl -e 'print $>')
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if [ "$euid" = "0" ]
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then
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# --------------------------------------------------------------------------
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# stuff to be done as root
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# --------------------------------------------------------------------------
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[ -n "$1" ] || die "need a valid username"
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user=$1
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id $user >/dev/null || die "need a valid username"
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# now fix up the user's login shell
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my_chsh $user
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# drat... 'cd ~$user` doesn't work...
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cd $(bash -c "echo ~$user") || die "can't cd to $user's home directory"
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# now set up her rsa key, creating it if needed
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[ -d .ssh ] || {
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mkdir .ssh
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chown $user .ssh
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chmod go-w .ssh
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}
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[ -f .ssh/id_rsa.pub ] || {
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ssh-keygen -q -N "" -f .ssh/id_rsa
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chown $user .ssh/id_rsa .ssh/id_rsa.pub
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chmod go-rw .ssh/id_rsa
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chmod go-w .ssh/id_rsa.pub
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}
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# now run yourself as the hosting user, piping in the pubkey to STDIN, and
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# passing the username whose key it is as argument 1.
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cat .ssh/id_rsa.pub | su -l -c "$0 $user" $hosting_user
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exit 0
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else
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# --------------------------------------------------------------------------
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# stuff to be done as the hosting user
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# --------------------------------------------------------------------------
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user=$1
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# make a temp dir and switch to it
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export tmp=$(mktemp -d)
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cd $tmp || die "could not cd to temp dir $tmp"
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trap "rm -rf $tmp" 0
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# clone the admin repo here
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git clone $admin_repo .
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# copy alice's pubkey, which was sent in via STDIN. We don't want to
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# overwrite any *other* keys she may have, hence the @localhost part.
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# (See "one user, many keys" in doc/3 for more on this @ part).
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cat > keydir/$user@localhost.pub
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# add commit push...
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git add keydir/$user@localhost.pub
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git diff --cached --quiet 2>/dev/null || git commit -am "$0: added/updated local key for $user"
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gl-admin-push
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# see doc for what/why this is
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fi
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