From f15ebf021e698db8688413d4ae7a8d247e7ef947 Mon Sep 17 00:00:00 2001
From: Ludwig Nussel <ludwig.nussel@suse.de>
Date: Thu, 2 Mar 2023 15:41:42 +0100
Subject: [PATCH] pulls

---
 gitea-pulls | 155 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 155 insertions(+)
 create mode 100755 gitea-pulls

diff --git a/gitea-pulls b/gitea-pulls
new file mode 100755
index 0000000..ff01582
--- /dev/null
+++ b/gitea-pulls
@@ -0,0 +1,155 @@
+#!/bin/bash
+# SPDX-License-Identifier: MIT
+# SPDX-FileCopyrightText: Copyright 2023 SUSE LLC
+set -e
+
+# config options
+PR_SRC_USER=
+PR_PROJECT=
+PR_REPO=
+TOKEN=
+
+# command line only
+verbose=0
+cfg_file=
+
+###################
+
+requestfile=$(mktemp gitea-pulls.XXXXXX)
+tmpfile=$(mktemp gitea-pulls.XXXXXX)
+cleanup()
+{
+	rm -f "$requestfile" "$tmpfile"
+}
+trap cleanup EXIT
+
+helpandquit()
+{
+	cat <<-EOF
+		Usage: $0 [OPTIONS]
+		OPTIONS:
+		  --verbsoe  verbose
+		  -h         help screen
+	EOF
+	exit 0
+}
+
+log_info()
+{
+	[ "$verbose" -gt 0 ] || return 0
+	echo "$@"
+}
+
+d(){
+	local retval=0
+	# Bash makes it a bit annoying to read the output of a different FD into a variable, it
+	# only supports reading stdout by itself. So redirect 3 to stdout and 1 to the real stdout.
+	exec {stdoutfd}>&1
+	result="$(dialog --backtitle "Gita Pull requests" --output-fd 3 "$@" 3>&1 1>&${stdoutfd})" || retval=$?
+	# Word splitting makes it necessary to use eval here.
+	eval "exec ${stdoutfd}>&-"
+	return "$retval"
+}
+
+# Given the number of total item pairs, outputs the number of items to display at once
+menuheight() {
+	local height=$(($1 / 2))
+	[ "$height" -le "$dh_menu" ] || height="$dh_menu"
+	echo "$height"
+}
+
+stty_size() {
+	set -- $(stty size)
+	LINES="$1"
+	COLUMNS="$2"
+	# stty size can return zero when not ready or
+	# its a serial console
+	if [ "$COLUMNS" = "0" ] || [ "$LINES" = "0" ]; then
+		LINES=24
+		COLUMNS=80
+	fi
+
+	dh_menu=$((LINES-15))
+	dh_text=$((LINES-5))
+}
+stty_size
+
+getopttmp=$(getopt -o hc:v --long help,config:,verbose -n "${0##*/}" -- "$@")
+eval set -- "$getopttmp"
+
+while true ; do
+        case "$1" in
+                -h|--help) helpandquit; shift ;;
+		-v|--verbose) verbose=$((++verbose)); shift ;;
+                -c|--config) cfg_file="$2"; shift 2 ;;
+                --) shift ; break ;;
+                *) echo "Internal error!" ; exit 1 ;;
+        esac
+done
+
+# shellcheck disable=SC1090
+. "${cfg_file:-.settings}"
+
+needed=(PR_SRC_USER PR_PROJECT PR_REPO TOKEN)
+for i in "${needed[@]}"; do
+	eval test -n "\"\$$i\"" || { echo "The following settings are mandatory: ${needed[*]}"; exit 1; }
+done
+
+request()
+{
+	local urlpart="$1"
+	shift
+	curl -s -f "https://gitea.opensuse.org/api/v1/repos/$PR_PROJECT/$PR_REPO$urlpart" \
+		-H "accept: application/json" \
+		-H "Authorization: token $TOKEN" \
+		-H "Content-Type: application/json" "$@"
+}
+
+fetch_requests()
+{
+	request "/pulls?state=open" > "$requestfile"
+}
+
+fetch_requests
+
+while true; do
+	list=()
+	while read -r number _branch _cid owner title; do
+		list+=("$number" "$owner: $title")
+	done < <(jq '.[]|[((.number|tostring)), .head.ref, .head.sha, .head.repo.owner.login, .title]|join(" ")' -r < "$requestfile")
+	if [ "${#list}" = 0 ]; then
+		d --msgbox "No pull requests in $PR_PROJECT/$PR_REPO" 0 0
+		exit 0
+	fi
+	d --no-hot-list --menu "$PR_PROJECT/$PR_REPO pull requests" 0 0 "$(menuheight ${#list[@]})" "${list[@]}" || exit 1
+	prno="$result"
+
+	while true; do
+		list=(raw raw diff diff merge merge close close)
+		d --no-tags --menu "$PR_PROJECT/$PR_REPO #$prno" 0 0 "$(menuheight ${#list[@]})" "${list[@]}" || break
+		action="$result"
+
+		case "$action" in
+			raw) 
+				jq ".[]|select(.number==$prno)" < "$requestfile" > "$tmpfile"
+				d --textbox "$tmpfile" 0 0 
+				;;
+			diff) 
+				request "/pulls/$prno.diff" > "$tmpfile"
+				d --textbox "$tmpfile" 0 0 
+				;;
+			merge) 
+				request "/pulls/$prno/merge" -d '{ "do": "merge", "delete_branch_after_merge": true}' | jq > "$tmpfile"
+				d --textbox "$tmpfile" 0 0
+				fetch_requests
+				break
+				;;
+			close) 
+				request "/pulls/$prno" -d '{ "state": "closed"}' -X PATCH | jq > "$tmpfile"
+				d --textbox "$tmpfile" 0 0
+				fetch_requests
+				break
+				;;
+		esac
+	done
+done