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aurblup: make provider updates more robust

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Reverse the order of deletion and addition so that deletion comes first.
This prevents corner cases such as failing unique key constraints when a
provided package changes from lower case to upper case and the old name
is not yet gone.

Helped-by: Eli Schwartz <eschwartz@archlinux.org>
Signed-off-by: Lukas Fleischer <lfleischer@archlinux.org>
This commit is contained in:
Lukas Fleischer 2019-01-21 20:28:33 +01:00
parent 042f3f2622
commit 44af2b430f
1 changed files with 3 additions and 3 deletions
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6
aurweb/scripts/aurblup.py
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@ -39,13 +39,13 @@ def main():
cur = conn.execute("SELECT Name, Provides FROM OfficialProviders")
oldproviders = set(cur.fetchall())
for pkg, provides in oldproviders.difference(providers):
conn.execute("DELETE FROM OfficialProviders "
"WHERE Name = ? AND Provides = ?", [pkg, provides])
for pkg, provides in providers.difference(oldproviders):
repo = repomap[(pkg, provides)]
conn.execute("INSERT INTO OfficialProviders (Name, Repo, Provides) "
"VALUES (?, ?, ?)", [pkg, repo, provides])
for pkg, provides in oldproviders.difference(providers):
conn.execute("DELETE FROM OfficialProviders "
"WHERE Name = ? AND Provides = ?", [pkg, provides])
conn.commit()
conn.close()