From 727130cf9036ed42fe2ab6419ee4c7cbd17d19b8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=A1=D0=B5=D1=80=D0=B3=D0=B5=D0=B9=20=D0=9C=D0=B0=D1=80?=
 =?UTF-8?q?=D0=B8=D0=BD=D0=BA=D0=B5=D0=B2=D0=B8=D1=87?=
 <sergey.marinkevich@eltex.loc>
Date: Wed, 19 Jan 2022 16:32:17 +0700
Subject: [PATCH] Init

---
 igitlog.py | 106 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 106 insertions(+)
 create mode 100755 igitlog.py

diff --git a/igitlog.py b/igitlog.py
new file mode 100755
index 0000000..34a8652
--- /dev/null
+++ b/igitlog.py
@@ -0,0 +1,106 @@
+#!/usr/bin/python3
+
+import subprocess
+import re
+import curses
+import os
+import sys
+
+class Commit(object):
+    _RE_COMMIT = re.compile(r"(?P<hash>[abcdefABCDEF0-9]{3,16}) (?P<title>.+)")
+    def __init__(self, line):
+        """@todo: to be defined1. """
+        match = Commit._RE_COMMIT.search(line)
+        if not match:
+            raise ValueError
+        self.hash = match.group("hash")
+        self.title = match.group("title")
+
+process = subprocess.Popen(["git", "log", "--oneline"], stdout=subprocess.PIPE, stderr=open('/dev/null', 'w'))
+commits = []
+for part in process.communicate():
+    if part == None:
+        break
+    for line in part.decode('utf-8').split('\n'):
+        if not line:
+            continue
+        commits.append(Commit(line))
+
+
+if len(commits) == 0:
+    sys.exit(0)
+
+stdscr = curses.initscr()
+curses.start_color()
+curses.curs_set(False)
+curses.use_default_colors()
+curses.noecho()
+curses.cbreak()
+stdscr.keypad(True)
+stdscr.refresh()
+curses.init_pair(1, curses.COLOR_BLACK, curses.COLOR_YELLOW)
+curses.init_pair(2, curses.COLOR_YELLOW, curses.COLOR_BLACK)
+
+maxcoords = stdscr.getmaxyx()
+max_y, max_x = maxcoords[0], maxcoords[1]
+
+
+def show_commit(commit):
+    os.system(f"git show {commit.hash}")
+
+
+pad = curses.newpad(len(commits), max_x)
+
+
+def print_commit(commit, pos_y, selected):
+    pad.addstr(pos_y, 0, " " * (max_x - 1))
+    if selected:
+        pad.addstr(pos_y, 0, f"{commit.hash}", curses.color_pair(1))
+        pad.addstr(pos_y, len(commit.hash) + 2, f"{commit.title}", curses.color_pair(1))
+    else:
+        pad.addstr(pos_y, 0, f"{commit.hash}", curses.color_pair(2))
+        pad.addstr(pos_y, len(commit.hash) + 2, f"{commit.title}")
+
+print_commit(commits[0], 0, True)
+
+linenum = 1
+for commit in commits[1:]:
+    print_commit(commit, linenum, False)
+    linenum += 1
+
+pad.refresh(0, 0, 0, 0, max_y - 1, max_x - 1)
+
+running = True
+pos = 0
+offset = 0
+while running:
+    print_commit(commits[pos], pos, False)
+
+    mvmt = stdscr.getch()
+    if mvmt == ord('j'):
+        if pos < len(commits):
+            pos += 1
+        if pos - offset > max_y - 2 and offset < len(commits) - max_y + 5:
+            offset += 1
+    elif mvmt == ord('k'):
+        if pos > 0:
+            pos -= 1
+        if pos - offset < 4 and offset > 0:
+            offset -= 1
+    elif mvmt == ord('q'):
+        running = False
+    elif mvmt == ord('l'):
+        show_commit(commits[pos])
+        stdscr.clear()
+        stdscr.refresh()
+
+    print_commit(commits[pos], pos, True)
+
+    pad.refresh(offset, 0, 0, 0, max_y - 1, max_x - 1)
+
+
+
+curses.nocbreak()
+stdscr.keypad(False)
+curses.echo()
+curses.endwin()