96 lines
3.3 KiB
Python
96 lines
3.3 KiB
Python
# by ChatGPT
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import curses
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import subprocess
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import sys
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def get_commits(filename):
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cmd = ['git', 'log', '--pretty=format:%h %ad %s', '--date=short', '--', filename]
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result = subprocess.run(cmd, capture_output=True, text=True)
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return result.stdout.splitlines()
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def get_file_at_commit(commit_hash, filename):
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cmd = ['git', 'show', f'{commit_hash}:{filename}']
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result = subprocess.run(cmd, capture_output=True, text=True)
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return result.stdout.splitlines()
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def main(stdscr, filename):
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curses.curs_set(0)
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curses.mousemask(curses.ALL_MOUSE_EVENTS)
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stdscr.keypad(True)
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commits = get_commits(filename)
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selected_commit = 0
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divider_col = 40
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focus = "left"
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scroll_offset = 0
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while True:
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stdscr.clear()
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height, width = stdscr.getmaxyx()
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# Draw commit list on the left
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for i in range(min(len(commits), height)):
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line = commits[i]
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if i == selected_commit and focus == "left":
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stdscr.attron(curses.A_REVERSE)
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stdscr.addnstr(i, 0, line, divider_col - 1)
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if i == selected_commit and focus == "left":
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stdscr.attroff(curses.A_REVERSE)
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# Draw vertical divider with box-drawing character
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for y in range(height):
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stdscr.addch(y, divider_col, '│')
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# Draw file content on the right
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if commits:
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commit_hash = commits[selected_commit].split()[0]
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file_lines = get_file_at_commit(commit_hash, filename)
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visible_lines = file_lines[scroll_offset:scroll_offset + height]
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for i, line in enumerate(visible_lines):
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stdscr.addnstr(i, divider_col + 2, line, width - divider_col - 3)
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stdscr.refresh()
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key = stdscr.getch()
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if key == curses.KEY_MOUSE:
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try:
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_, mx, my, _, bstate = curses.getmouse()
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if bstate & curses.BUTTON1_CLICKED:
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focus = "left" if mx <= divider_col else "right"
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except curses.error:
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pass
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elif key in [ord('q'), 27]:
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break
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elif focus == "left":
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if key in [curses.KEY_DOWN, ord('j')]:
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if selected_commit < len(commits) - 1:
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selected_commit += 1
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scroll_offset = 0 # reset right pane scroll
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elif key in [curses.KEY_UP, ord('k')]:
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if selected_commit > 0:
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selected_commit -= 1
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scroll_offset = 0
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elif focus == "right":
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if key == curses.KEY_DOWN or key == ord('j'):
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if scroll_offset < max(0, len(file_lines) - height):
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scroll_offset += 1
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elif key == curses.KEY_UP or key == ord('k'):
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if scroll_offset > 0:
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scroll_offset -= 1
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elif key == curses.KEY_NPAGE: # Page Down
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scroll_offset = min(scroll_offset + height, max(0, len(file_lines) - height))
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elif key == curses.KEY_PPAGE: # Page Up
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scroll_offset = max(0, scroll_offset - height)
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if __name__ == "__main__":
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if len(sys.argv) != 2:
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print("Usage: python git_time_machine.py path/to/file")
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sys.exit(1)
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filename = sys.argv[1]
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curses.wrapper(main, filename)
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