git-update: Only check HEAD for matching pkgbase

When renaming a package base, we want to keep commits of the former
package. Move the check that compares the package base name with the
repository name such that only HEAD is validated.

Fixes FS#45065.
Signed-off-by: Lukas Fleischer <lfleischer@archlinux.org>

git-interface/git-update.py

@@ -20,6 +20,7 @@ aur_db_pass = config.get('database', 'password')
 aur_db_socket = config.get('database', 'socket')
 
 repo_path = config.get('serve', 'repo-path')
+repo_regex = config.get('serve', 'repo-regex')
 
 def extract_arch_fields(pkginfo, field):
     values = []
@@ -207,7 +208,7 @@ for commit in walker:
         exit(1)
 
     srcinfo_pkgbase = srcinfo._pkgbase['pkgname']
-    if srcinfo_pkgbase != pkgbase:
+    if not re.match(repo_regex, srcinfo_pkgbase):
         die_commit('invalid pkgbase: %s' % (srcinfo_pkgbase), commit.id)
 
     for pkgname in srcinfo.GetPackageNames():
@@ -251,6 +252,10 @@ srcinfo_raw = repo[repo[sha1_new].tree['.SRCINFO'].id].data.decode()
 srcinfo_raw = srcinfo_raw.split('\n')
 srcinfo = aurinfo.ParseAurinfoFromIterable(srcinfo_raw)
 
+srcinfo_pkgbase = srcinfo._pkgbase['pkgname']
+if srcinfo_pkgbase != pkgbase:
+    die('invalid pkgbase: %s' % (srcinfo_pkgbase))
+
 save_srcinfo(srcinfo, db, cur, user)
 
 db.close()