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git_sim_revert.py
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102 lines (83 loc) · 4.35 KB
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import sys
import git
import manim as m
import numpy
from git_sim.git_sim_base_command import GitSimBaseCommand
class GitSimRevert(GitSimBaseCommand):
def __init__(self, scene):
super().__init__(scene)
try:
self.revert = git.repo.fun.rev_parse(self.repo, self.scene.args.commit)
except git.exc.BadName:
print("git-sim error: '" + self.scene.args.commit + "' is not a valid Git ref or identifier.")
sys.exit(1)
self.maxrefs = 2
self.defaultNumCommits = 4
self.numCommits = 4
self.hide_first_tag = True
self.zone_title_offset += 0.1
try:
self.selected_branches.append(self.repo.active_branch.name)
except TypeError:
pass
def execute(self):
print("Simulating: git " + self.scene.args.subcommand + " " + self.scene.args.commit)
self.show_intro()
self.get_commits()
self.parse_commits(self.commits[self.i])
self.center_frame_on_commit(self.commits[0])
self.setup_and_draw_revert_commit()
self.recenter_frame()
self.scale_frame()
self.reset_head_branch("abcdef")
self.vsplit_frame()
self.setup_and_draw_zones(first_column_name="----", second_column_name="Changes reverted from", third_column_name="----")
self.fadeout()
self.show_outro()
def build_commit_id_and_message(self, commit):
hide_refs = False
if commit == "dark":
commitId = m.Text('', font="Monospace", font_size=20, color=self.scene.fontColor)
commitMessage = ''
elif self.i == 2 and self.revert.hexsha not in [commit.hexsha for commit in self.commits]:
commitId = m.Text('...', font="Monospace", font_size=20, color=self.scene.fontColor)
commitMessage = '...'
hide_refs = True
elif self.i == 3 and self.revert.hexsha not in [commit.hexsha for commit in self.commits]:
commitId = m.Text(self.revert.hexsha[:6], font="Monospace", font_size=20, color=self.scene.fontColor)
commitMessage = self.revert.message.split("\n")[0][:40].replace("\n", " ")
hide_refs = True
else:
commitId = m.Text(commit.hexsha[:6], font="Monospace", font_size=20, color=self.scene.fontColor)
commitMessage = commit.message.split("\n")[0][:40].replace("\n", " ")
return commitId, commitMessage, commit, hide_refs
def setup_and_draw_revert_commit(self):
circle = m.Circle(stroke_color=m.RED, fill_color=m.RED, fill_opacity=0.25)
circle.height = 1
circle.next_to(self.drawnCommits[self.commits[0].hexsha], m.LEFT if self.scene.args.reverse else m.RIGHT, buff=1.5)
start = circle.get_center()
end = self.drawnCommits[self.commits[0].hexsha].get_center()
arrow = m.Arrow(start, end, color=self.scene.fontColor)
length = numpy.linalg.norm(start-end) - ( 1.5 if start[1] == end[1] else 3 )
arrow.set_length(length)
commitId = m.Text("abcdef", font="Monospace", font_size=20, color=self.scene.fontColor).next_to(circle, m.UP)
self.toFadeOut.add(commitId)
commitMessage = "Revert " + self.revert.hexsha[0:6]
commitMessage = commitMessage[:40].replace("\n", " ")
message = m.Text('\n'.join(commitMessage[j:j+20] for j in range(0, len(commitMessage), 20))[:100], font="Monospace", font_size=14, color=self.scene.fontColor).next_to(circle, m.DOWN)
self.toFadeOut.add(message)
if self.scene.args.animate:
self.scene.play(self.scene.camera.frame.animate.move_to(circle.get_center()), m.Create(circle), m.AddTextLetterByLetter(commitId), m.AddTextLetterByLetter(message), run_time=1/self.scene.args.speed)
else:
self.scene.camera.frame.move_to(circle.get_center())
self.scene.add(circle, commitId, message)
self.drawnCommits["abcdef"] = circle
self.toFadeOut.add(circle)
if self.scene.args.animate:
self.scene.play(m.Create(arrow), run_time=1/self.scene.args.speed)
else:
self.scene.add(arrow)
self.toFadeOut.add(arrow)
def populate_zones(self, firstColumnFileNames, secondColumnFileNames, thirdColumnFileNames, firstColumnArrowMap={}, secondColumnArrowMap={}):
for filename in self.revert.stats.files:
secondColumnFileNames.add(filename)