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|
{ pkgs, lib, writeDash, ... }:
let
stockholm.lib = import ../../../../lib/pure.nix { inherit lib; };
inherit (stockholm.lib) makeBinPath;
in
pkgs.runCommand "irc-announce-git-hook" {} ''
mkdir -p $out/bin
cat > $out/bin/irc-announce-git-hook << 'OUTER'
#!${pkgs.dash}/bin/dash
set -euf
# Required environment variables:
# IRC_SERVER, IRC_PORT, IRC_NICK, IRC_CHANNEL
# Optional: IRC_TLS (set to "true" for TLS), CGIT_ENDPOINT, VERBOSE
export PATH=${makeBinPath (with pkgs; [
coreutils
git
gnugrep
gnused
])}:$PATH
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+$message
}$*"
}
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 $ref | sed 's:^refs/heads/::')
empty_tree=4b825dc6
id=$(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
if [ -n "''${CGIT_ENDPOINT:-}" ]; then
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
else
link="$GIT_SSH_REPO $h"
fi
add_message $(pink push) $link $(gray "($receive_mode)")
if [ "''${VERBOSE:-}" = "true" ]; then
add_message "$(
git log \
--format="$(orange %h) %s $(gray '(%ar)')" \
--no-merges \
--reverse \
$id2..$id
git diff --stat $id2..$id \
| sed '$!s/\(+*\)\(-*\)$/'"$(green '\1')$(red '\2')"'/'
)"
fi
done
if test -n "''${message-}"; then
tls_flag=""
if [ "''${IRC_TLS:-}" = "true" ]; then
tls_flag="1"
fi
exec ${pkgs.irc-announce}/bin/irc-announce \
"$IRC_SERVER" \
"$IRC_PORT" \
"$IRC_NICK" \
"$IRC_CHANNEL" \
"$tls_flag" \
"$message"
fi
OUTER
chmod +x $out/bin/irc-announce-git-hook
''
|
