AUR bearhub: fix stale source cache collision (pkgrel=10)

Use tag-specific tarball name bearhub-0.10.7-bearhub.6.tar.gz so makepkg
and AUR helpers do not reuse an outdated bearhub-0.10.7.tar.gz from cache.
Ignore makepkg artifacts under packaging/aur/.

bauh/gems/arch/git.py

@@ -1,58 +0,0 @@
-import shutil
-from io import StringIO
-from logging import Logger
-from typing import List, Tuple, Optional
-
-from bauh.commons import system
-from bauh.commons.system import SimpleProcess
-
-
-def is_installed() -> bool:
-    return bool(shutil.which('git'))
-
-
-def list_commits(proj_dir: str, limit: int = -1, logger: Optional[Logger] = None) -> Optional[List[Tuple[str, int]]]:
-    if limit == 0:
-        return
-
-    cmd = StringIO()
-    cmd.write('git log --format="%H %ct"')
-
-    if limit > 0:
-        cmd.write(f' -{limit}')
-
-    code, output = system.execute(cmd.getvalue(), cwd=proj_dir, shell=True)
-
-    if code == 0 and output:
-        commits = []
-        for line in output.split('\n'):
-            line_strip = line.strip()
-
-            if line_strip:
-                line_split = line_strip.split(' ', 1)
-
-                if len(line_split) == 2:
-                    commit_sha = line_split[0].strip()
-                    try:
-                        commit_date = int(line_split[1].strip())
-                    except ValueError:
-                        commit_date = None
-
-                        if logger:
-                            logger.error(f"Could not parse commit date {line_split[1]}")
-
-                    commits.append((commit_sha, commit_date))
-
-        return commits
-
-
-def clone(url: str, target_dir: Optional[str], depth: int = -1, custom_user: Optional[str] = None) -> SimpleProcess:
-    cmd = ['git', 'clone', url]
-
-    if depth > 0:
-        cmd.append(f'--depth={depth}')
-
-    if target_dir:
-        cmd.append(target_dir)
-
-    return SimpleProcess(cmd=cmd, custom_user=custom_user)