diff options
| -rw-r--r-- | modules/tv/git.nix | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/modules/tv/git.nix b/modules/tv/git.nix index 052c049..b7c8b56 100644 --- a/modules/tv/git.nix +++ b/modules/tv/git.nix @@ -201,11 +201,28 @@ in findutils gawk git + gnugrep + gnused ])} dataDir=${escapeShellArg cfg.dataDir} mkdir -p "$dataDir" + # Notice how the presence of hooks symlinks determine whether + # we manage a repositry or not. + + # Make sure that no existing repository has hooks. We can delete + # symlinks because we assume we created them. + find "$dataDir" -mindepth 2 -maxdepth 2 -name hooks -type l -delete + bad_hooks=$(find "$dataDir" -mindepth 2 -maxdepth 2 -name hooks) + if echo "$bad_hooks" | grep -q .; then + printf "$(printf 'error: unknown hooks:\n%s' \ + "$(echo "$bad_hooks" | sed 's/^/ /')")" \ + >&2 + exit -1 + fi + + # Initialize repositories. ${concatMapStringsSep "\n" (repo: let hooks = scriptFarm "git-ssh-hooks" (makeHooks repo); @@ -218,9 +235,19 @@ in git init --bare --template=/var/empty "$repodir" chown -R git: "$repodir" fi - ln -snf ${hooks} "$repodir/hooks" + ln -s ${hooks} "$repodir/hooks" '' ) (attrValues cfg.repos)} + + # Warn about repositories that exist but aren't mentioned in the + # current configuration (and thus didn't receive a hooks symlink). + unknown_repos=$(find "$dataDir" -mindepth 1 -maxdepth 1 \ + -type d \! -exec test -e '{}/hooks' \; -print) + if echo "$unknown_repos" | grep -q .; then + printf 'warning: stale repositories:\n%s\n' \ + "$(echo "$unknown_repos" | sed 's/^/ /')" \ + >&2 + fi ''; makeHooks = repo: removeAttrs repo.hooks [ "pre-receive" ] // { |