1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
|
#!/usr/bin/python3
# GAnarchy - project homepage generator
# Copyright (C) 2019 Soni L.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
import sqlite3
import click
import os
import subprocess
import hashlib
import jinja2
# default HTML, can be overridden in $XDG_DATA_HOME/ganarchy/template.html or the $XDG_DATA_DIRS (TODO)
TEMPLATE = """<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<!--
GAnarchy - project homepage generator
Copyright (C) 2019 Soni L.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
-->
<title>{{ project_title|e }}</title>
{% if project_desc %}<meta name="description" content="{{ project_desc|e }}" />{% endif %}
</head>
<body>
<h1>{{ project_title|e }}</h1>
<p>Tracking <span id="project_commit"><a href="web+ganarchy:{{ project_commit }}">{{ project_commit }}</a></span></p>
<div id="project_body"><p>{{ project_body|e|replace("\n\n", "</p><p>") }}</p></div>
<ul>
{% for url, msg, img in repos -%}
<li><a href="{{ url|e }}">{{ url|e }}</a>: {{ msg|e }}</li>
{%- endfor %}
</ul>
<p>Powered by <a href="https://ganarchy.autistic.space/">GAnarchy</a>. AGPLv3-licensed. <a href="https://cybre.tech/SoniEx2/ganarchy">Source Code</a>.</p>
<p>
<a href="/">Main page</a>.
<a href="{{ base_url|e }}" onclick="event.preventDefault(); navigator.registerProtocolHandler('web+ganarchy', this.href + '?url=%s', 'GAnarchy');">Register web+ganarchy: URI handler</a>.
</p>
</body>
</html>
"""
try:
data_home = os.environ['XDG_DATA_HOME']
except KeyError:
data_home = ''
if not data_home:
data_home = os.environ['HOME'] + '/.local/share'
data_home = data_home + "/ganarchy"
try:
cache_home = os.environ['XDG_CACHE_HOME']
except KeyError:
cache_home = ''
if not cache_home:
cache_home = os.environ['HOME'] + '/.cache'
cache_home = cache_home + "/ganarchy"
@click.group()
def ganarchy():
pass
@ganarchy.command()
def initdb():
"""Initializes the ganarchy database"""
os.makedirs(data_home, exist_ok=True)
conn = sqlite3.connect(data_home + "/ganarchy.db")
c = conn.cursor()
c.execute('''CREATE TABLE repos (url TEXT PRIMARY KEY, active INT)''')
c.execute('''CREATE INDEX active_key ON repos (active)''')
c.execute('''CREATE TABLE repo_history (entry INTEGER PRIMARY KEY ASC AUTOINCREMENT, url TEXT, count INTEGER, head_commit TEXT)''')
c.execute('''CREATE INDEX url_key ON repo_history (url)''')
c.execute('''CREATE TABLE config (git_commit TEXT, base_url TEXT)''')
c.execute('''INSERT INTO config VALUES ('', '')''')
conn.commit()
conn.close()
@ganarchy.command()
@click.argument('commit')
def set_commit(commit):
"""Sets the commit that represents the project"""
import re
if not re.fullmatch("[a-fA-F0-9]{40}", commit):
raise click.BadArgumentUsage("COMMIT must be a git commit hash")
conn = sqlite3.connect(data_home + "/ganarchy.db")
c = conn.cursor()
c.execute('''UPDATE config SET git_commit=?''', (commit,))
conn.commit()
conn.close()
@ganarchy.command()
@click.argument('base-url')
def set_base_url(base_url):
"""Sets the GAnarchy instance's base URL"""
conn = sqlite3.connect(data_home + "/ganarchy.db")
c = conn.cursor()
c.execute('''UPDATE config SET base_url=?''', (base_url,))
conn.commit()
conn.close()
@ganarchy.group()
def repo():
"""Modifies repos to track"""
@repo.command()
@click.argument('url')
def add(url):
"""Adds a repo to track"""
conn = sqlite3.connect(data_home + "/ganarchy.db")
c = conn.cursor()
c.execute('''INSERT INTO repos VALUES (?, 0)''', (url,))
conn.commit()
conn.close()
@repo.command()
@click.argument('url')
def enable(url):
"""Enables tracking of a repo"""
conn = sqlite3.connect(data_home + "/ganarchy.db")
c = conn.cursor()
c.execute('''UPDATE repos SET active=1 WHERE url=?''', (url,))
conn.commit()
conn.close()
@repo.command()
@click.argument('url')
def disable(url):
"""Disables tracking of a repo"""
conn = sqlite3.connect(data_home + "/ganarchy.db")
c = conn.cursor()
c.execute('''UPDATE repos SET active=0 WHERE url=?''', (url,))
conn.commit()
conn.close()
@repo.command()
@click.argument('url')
def remove(url):
"""Stops tracking a repo"""
click.confirm("WARNING: This operation does not delete the commits associated with the given repo! Are you sure you want to continue? This operation cannot be undone.")
conn = sqlite3.connect(data_home + "/ganarchy.db")
c = conn.cursor()
c.execute('''DELETE FROM repos WHERE url=?''', (url,))
c.execute('''DELETE FROM repo_history WHERE url=?''', (url,))
conn.commit()
conn.close()
@ganarchy.command()
def cron_target():
"""Runs ganarchy as a cron target"""
def handle_target(url, project_commit):
branchname = "gan" + hashlib.sha256(url.encode("utf-8")).hexdigest()
try:
pre_hash = subprocess.check_output(["git", "-C", cache_home, "show", branchname, "-s", "--format=%H", "--"], stderr=subprocess.DEVNULL).decode("utf-8").strip()
except subprocess.CalledProcessError:
pre_hash = None
try:
subprocess.check_output(["git", "-C", cache_home, "fetch", "-q", url, "+HEAD:" + branchname], stderr=subprocess.STDOUT)
except subprocess.CalledProcessError as e:
# This may error for various reasons, but some are important: dead links, etc
click.echo(e.output, err=True)
return None
post_hash = subprocess.check_output(["git", "-C", cache_home, "show", branchname, "-s", "--format=%H", "--"], stderr=subprocess.DEVNULL).decode("utf-8").strip()
if not pre_hash:
pre_hash = post_hash
try:
count = int(subprocess.check_output(["git", "-C", cache_home, "rev-list", "--count", pre_hash + ".." + post_hash, "--"]).decode("utf-8").strip())
except subprocess.CalledProcessError:
count = 0 # force-pushed
try:
subprocess.check_call(["git", "-C", cache_home, "merge-base", "--is-ancestor", project_commit, branchname], stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
return count, post_hash, subprocess.check_output(["git", "-C", cache_home, "show", branchname, "-s", "--format=%B", "--"], stderr=subprocess.DEVNULL).decode("utf-8", "replace")
except subprocess.CalledProcessError:
return None
os.makedirs(cache_home, exist_ok=True)
subprocess.call(["git", "-C", cache_home, "init", "-q"])
conn = sqlite3.connect(data_home + "/ganarchy.db")
c = conn.cursor()
c.execute('''SELECT git_commit, base_url FROM config''')
(project_commit, base_url) = c.fetchone()
if not base_url or not project_commit:
click.echo("No base URL or project commit specified", err=True)
return
entries = []
generate_html = []
for (e, url,) in c.execute("""SELECT max(e), url FROM (SELECT max(T1.entry) e, T1.url FROM repo_history T1
WHERE (SELECT active FROM repos T2 WHERE url = T1.url)
GROUP BY T1.url
UNION
SELECT null, T3.url FROM repos T3 WHERE active)
GROUP BY url ORDER BY e"""):
result = handle_target(url, project_commit)
if result is not None:
count, post_hash, msg = result
entries.append((url, count, post_hash))
generate_html.append((url, msg, count))
# sort stuff twice because reasons
entries.sort(key=lambda x: x[1], reverse=True)
generate_html.sort(key=lambda x: x[2], reverse=True)
c.executemany('''INSERT INTO repo_history VALUES (NULL, ?, ?, ?)''', entries)
conn.commit()
html_entries = []
for (url, msg, count) in generate_html:
history = c.execute('''SELECT count FROM repo_history WHERE url == ? ORDER BY entry ASC''', (url,)).fetchall()
# TODO process history into SVG
html_entries.append((url, msg, ""))
template = jinja2.Template(TEMPLATE)
import re
project = subprocess.check_output(["git", "-C", cache_home, "show", project_commit, "-s", "--format=%B", "--"], stderr=subprocess.DEVNULL).decode("utf-8", "replace")
project_title, project_desc = (lambda x: x.groups() if x is not None else ('', None))(re.fullmatch('^\\[Project\\]\s+(.+?)(?:\n\n(.+))?$', project, flags=re.ASCII|re.DOTALL|re.IGNORECASE))
if not project_title.strip():
project_title, project_desc = ("Error parsing project commit",)*2
if project_desc:
project_desc = project_desc.strip()
click.echo(template.render(project_title = project_title,
project_desc = project_desc,
project_body = project,
project_commit = project_commit,
repos = html_entries,
base_url = base_url))
if __name__ == "__main__":
ganarchy()
|
