rework notificaitons, add better limiting HEAD main

1 files changed, 71 insertions, 0 deletions

diff --git a/post-receive b/post-receive
new file mode 100755
index 0000000..e8752f1
--- /dev/null
+++ b/post-receive
@@ -0,0 +1,71 @@
+#!/bin/bash
+
+default_branch="$(git rev-parse --abbrev-ref HEAD)"
+default_branch_path="$(git rev-parse --symbolic-full-name HEAD)"
+
+suppress="$(git config --get --type bool --default=false hooks.suppressNotify)"
+allowForcePush="$(git config --type=bool hooks.allowForcePush)"
+protectedRefs="$(git config --default "$default_branch_path" hooks.protectedRefs)"
+addlNotify="$(git config get --value '^([a-zA-Z0-9_.-]+|[0-9.]+|[0-9a-fA-F:.]+):[0-9]{1,5}$' hooks.notify)"
+
+config="$(dirname "$(readlink -f "$0")")"/sh.conf
+[ -r "$config" ] && source "$config"
+
+reponame="$(readlink -f .)"
+#reponame="${reponame%/.git}"
+reponame="${reponame#/home/}"
+
+FORMAT="%C(auto)%h by %an (%ah: %s) sig: %G? %GS 0x%GK https://cgit.space/~$reponame/commit/?id=%h"
+
+commits_per_ref="${commits_per_ref:-5}"
+lines_total=0
+max_num_lines="${max_num_lines:-10}"
+
+#cat|notify
+while read old new ref; do
+	wait
+	commits=""
+	forced=""
+	lines_ref=0
+
+	if ((16#$old == 0)); then # new branch
+		commits="created with $(git describe --always "$new")"
+	elif ((16#$new == 0)); then # deleted branch
+		commits="deleted from $(git describe --always "$old")"
+	elif [ "$old" = "$(git merge-base "$old" "$new")" ]; then # fast-forward update
+		commits="updated from $(git describe --always "$old") -> $(git describe --always "$new")"
+	elif [ "$new" = "$(git merge-base "$old" "$new")" ]; then # rollback
+		commits="!! rolled back to $(git describe --always "$new") erasing history through $(git describe --always "$old")"
+		forced="true"
+	else # commit --amend, rebase, or similar
+		commits="!! rewrote history from $(git describe --always "$(git merge-base "$old" "$new")") -> $(git describe --always "$new") erasing history through $(git describe --always "$old")"
+		forced="true"
+	fi
+
+	if [ "$suppress" != "true" ]; then
+		echo "[$reponame] $ref $commits by $USER" | notify
+
+		if ((16#$old == 0)); then
+			git log -n $((commits_per_ref+1)) --no-show-signature --no-patch --pretty="tformat:$FORMAT" "$new"
+		elif ((16#$new == 0)); then
+			:
+		else
+			git log -n $((commits_per_ref+1)) --no-show-signature --pretty="tformat:$FORMAT" "$old".."$new"
+		fi | while read line; do
+			((lines_ref++))
+			if [ "$lines_ref" -gt "${commits_per_ref}" ]; then
+				echo "(... more commits)"
+				break
+			else
+				printf '%s\n' "$line"
+			fi
+		done
+	fi
+done | while read line; do
+	((lines_total++))
+	if [ "$lines_total" -gt "${max_num_lines}" ]; then
+		echo "(...more stuff)"
+		break
+	fi
+	printf '%s\n' "$line"
+done | notify