From 67526d6c0849d9abc60c9a4cbee28e3a2dc707ce Mon Sep 17 00:00:00 2001
From: lassulus <lass@aidsballs.de>
Date: Mon, 25 May 2015 19:32:54 +0200
Subject: activate gitolite config

---
 modules/lass/gitolite-base.nix | 172 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 172 insertions(+)
 create mode 100644 modules/lass/gitolite-base.nix

(limited to 'modules/lass')

diff --git a/modules/lass/gitolite-base.nix b/modules/lass/gitolite-base.nix
new file mode 100644
index 000000000..9fcdbb9e9
--- /dev/null
+++ b/modules/lass/gitolite-base.nix
@@ -0,0 +1,172 @@
+{ config, ... }:
+
+{
+  services.gitolite = {
+    mutable = false;
+    keys = {
+      lass = config.sshKeys.lass.pub;
+    };
+    rc = ''
+      %RC = (
+          UMASK                           =>  0077,
+          GIT_CONFIG_KEYS                 =>  "",
+          LOG_EXTRA                       =>  1,
+          ROLES => {
+              READERS                     =>  1,
+              WRITERS                     =>  1,
+          },
+          LOCAL_CODE                =>  "$ENV{HOME}/.gitolite",
+          ENABLE => [
+                  'help',
+                  'desc',
+                  'info',
+                  'perms',
+                  'writable',
+                  'ssh-authkeys',
+                  'git-config',
+                  'daemon',
+                  'gitweb',
+                  'repo-specific-hooks',
+          ],
+      );
+      1;
+    '';
+
+    hooks.repoSpecific = {
+      irc-announce = ''
+        #! /bin/sh
+        set -euf
+
+        config_file="$GL_ADMIN_BASE/conf/irc-announce.conf"
+        if test -f "$config_file"; then
+          . "$config_file"
+        fi
+
+        # XXX when changing IRC_CHANNEL or IRC_SERVER/_PORT, don't forget to update
+        #     any relevant gitolite LOCAL_CODE!
+        # CAVEAT we hope that IRC_NICK is unique
+        IRC_NICK="''${IRC_NICK-gl$GL_TID}"
+        IRC_CHANNEL="''${IRC_CHANNEL-#retiolum}"
+        IRC_SERVER="''${IRC_SERVER-ire.retiolum}"
+        IRC_PORT="''${IRC_PORT-6667}"
+
+        # for privmsg_cat below
+        export IRC_CHANNEL
+
+        # collect users that are mentioned in the gitolite configuration
+        interested_users="$(perl -e '
+          do "gl-conf";
+          print join(" ", keys%{ $one_repo{$ENV{"GL_REPO"}} });
+        ')"
+
+        # CAVEAT beware of real TABs in grep pattern!
+        # CAVEAT there will never be more than 42 relevant log entries!
+        tab=$(printf '\x09')
+        log="$(tail -n 42 "$GL_LOGFILE" | grep "^[^$tab]*$tab$GL_TID$tab" || :)"
+
+        update_log="$(echo "$log" | grep "^[^$tab]*$tab$GL_TID''${tab}update")"
+
+        # (debug output)
+        env | sed 's/^/env: /'
+        echo "$log" | sed 's/^/log: /'
+
+        # see http://gitolite.com/gitolite/dev-notes.html#lff
+        reponame=$(echo "$update_log" | cut -f 4)
+        username=$(echo "$update_log" | cut -f 5)
+        ref_name=$(echo "$update_log" | cut -f 7 | sed 's|^refs/heads/||')
+        old_sha=$(echo "$update_log" | cut -f 8)
+        new_sha=$(echo "$update_log" | cut -f 9)
+
+        # check if new branch is created
+        if test $old_sha = 0000000000000000000000000000000000000000; then
+          # TODO what should we really show?
+          old_sha=$new_sha^
+        fi
+
+        #
+        git_log="$(git log $old_sha..$new_sha --pretty=oneline --abbrev-commit)"
+        commit_count=$(echo "$git_log" | wc -l)
+
+        # echo2 and cat2 are used output to both, stdout and stderr
+        # This is used to see what we send to the irc server. (debug output)
+        echo2() { echo "$*"; echo "$*" >&2; }
+        cat2() { tee /dev/stderr; }
+
+        # privmsg_cat transforms stdin to a privmsg
+        privmsg_cat() { awk '{ print "PRIVMSG "ENVIRON["IRC_CHANNEL"]" :"$0 }'; }
+
+        # ircin is used to feed the output of netcat back to the "irc client"
+        # so we can implement expect-like behavior with sed^_^
+        # XXX mkselfdestructingtmpfifo would be nice instead of this cruft
+        tmpdir="$(mktemp -d irc-announce_XXXXXXXX)"
+        cd "$tmpdir"
+        mkfifo ircin
+        trap "
+          rm ircin
+          cd '$OLDPWD'
+          rmdir '$tmpdir'
+          trap - EXIT INT QUIT
+        " EXIT INT QUIT
+
+        #
+        #
+        #
+        {
+          echo2 "USER $LOGNAME 0 * :$LOGNAME@$(hostname)"
+          echo2 "NICK $IRC_NICK"
+
+          # wait for MODE message
+          sed -n '/^:[^ ]* MODE /q'
+
+          echo2 "JOIN $IRC_CHANNEL"
+
+          echo "$interested_users" \
+            | tr ' ' '\n' \
+            | grep -v "^$GL_USER" \
+            | sed 's/$/: poke/' \
+            | privmsg_cat \
+            | cat2
+
+          printf '[\x0313%s\x03] %s pushed %s new commit%s to \x036%s %s\x03\n' \
+              "$reponame" \
+              "$username" \
+              "$commit_count" \
+              "$(test $commit_count = 1 || echo s)" \
+              "$(hostname)" \
+              "$ref_name" \
+            | privmsg_cat \
+            | cat2
+
+          echo "$git_log" \
+            | sed 's/^/\x0314/;s/ /\x03 /' \
+            | privmsg_cat \
+            | cat2
+
+          echo2 "PART $IRC_CHANNEL"
+
+          # wait for PART confirmation
+          sed -n '/:'"$IRC_NICK"'![^ ]* PART /q'
+
+          echo2 'QUIT :Gone to have lunch'
+        } < ircin \
+          | nc "$IRC_SERVER" "$IRC_PORT" | tee -a ircin
+      '';
+    };
+    customFiles = [
+      {
+        filename = ".gitolite/conf/irc-announce.conf";
+        content = ''
+          IRC_NICK="$(hostname)$GL_TID"
+          case "$GL_REPO" in
+            brain|painload|services|load-env|config)
+              IRC_CHANNEL='#retiolum'
+            ;;
+            *)
+              IRC_CHANNEL='&testing'
+            ;;
+          esac
+        '';
+      }
+    ];
+  };
+}
-- 
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