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|
{ pkgs, ... }:
with import <stockholm/lib>;
{
# TODO irc-announce should return a derivation
# but it cannot because krebs.git.repos.*.hooks :: attrsOf str
irc-announce = { nick, channel, server, port ? 6667, verbose ? false, branches ? [] }: ''
#! /bin/sh
set -euf
export PATH=${makeBinPath (with pkgs; [
coreutils
git
gnugrep
gnused
])}
green() { printf '\x0303,99%s\x0F' "$1"; }
red() { printf '\x0304,99%s\x0F' "$1"; }
orange() { printf '\x0307,99%s\x0F' "$1"; }
pink() { printf '\x0313,99%s\x0F' "$1"; }
gray() { printf '\x0314,99%s\x0F' "$1"; }
unset message
add_message() {
message="''${message+$message
}$*"
}
nick=${escapeShellArg nick}
channel=${escapeShellArg channel}
server=${escapeShellArg server}
port=${toString port}
host=$nick
cgit_endpoint=http://cgit.$host
empty=0000000000000000000000000000000000000000
while read oldrev newrev ref; do
if [ $oldrev = $empty ]; then
receive_mode=create
elif [ $newrev = $empty ]; then
receive_mode=delete
elif [ "$(git merge-base $oldrev $newrev)" = $oldrev ]; then
receive_mode=fast-forward
else
receive_mode=non-fast-forward
fi
h=$(echo $ref | sed 's:^refs/heads/::')
${optionalString (branches != []) ''
if ! (echo "$h" | grep -qE "${concatStringsSep "|" branches}"); then
echo "we are not serving this branch: $h"
exit 0
fi
''}
# empty_tree=$(git hash-object -t tree /dev/null)
empty_tree=4b825dc6
id=$(echo $newrev | cut -b-7)
id2=$(echo $oldrev | cut -b-7)
if [ $newrev = $empty ]; then id=$empty_tree; fi
if [ $oldrev = $empty ]; then id2=$empty_tree; fi
case $receive_mode in
create)
link="$cgit_endpoint/$GIT_SSH_REPO/?h=$h"
;;
delete)
link="$cgit_endpoint/$GIT_SSH_REPO/ ($h)"
;;
fast-forward|non-fast-forward)
link="$cgit_endpoint/$GIT_SSH_REPO/diff/?h=$h&id=$id&id2=$id2"
;;
esac
#$host $GIT_SSH_REPO $ref $link
add_message $(pink push) $link $(gray "($receive_mode)")
${optionalString verbose ''
add_message "$(
git log \
--format="$(orange %h) %s $(gray '(%ar)')" \
--reverse \
$id2..$id
git diff --stat $id2..$id \
| sed '$!s/\(+*\)\(-*\)$/'$(green '\1')$(red '\2')'/'
)"
''}
done
if test -n "''${message-}"; then
exec ${pkgs.irc-announce}/bin/irc-announce \
"$server" \
"$port" \
"$nick" \
"$channel" \
"$message"
fi
'';
}
|
