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#!/usr/bin/env python
#
# This script generates a solution database for a directory containing rpm packages
# but tries to be efficient about this, only doing so when the packages have changed
# in some way.
#
# It is assumed something already went through and removed all the solvedb.done stamp files
# in advance.
#
# First argument - the rpm binary to use
# Subsequent arguments - paths to process solution databases for
#
import sys, os
import hashlib
import stat
import subprocess
if len(sys.argv) < 1:
print("Error, rpm command not specified")
sys.exit(1)
if len(sys.argv) < 2:
print("Error, no paths specified")
sys.exit(1)
paths = sys.argv[2:]
for path in paths:
if os.path.exists(path + "/solvedb.done"):
continue
data = ""
manifest = []
for root, dirs, files in os.walk(path):
for file in files:
f = os.path.join(root, file)
if f.startswith(path + "/" + "solvedb"):
continue
data = data + str(os.stat(f)[stat.ST_MTIME])
manifest.append(f)
checksum = hashlib.md5(data).hexdigest()
if os.path.exists(path + "/solvedb.checksum") and open(path + "/solvedb.checksum", "r").read() == checksum:
open(path + "/solvedb.done", "w")
continue
if os.path.exists(path + "/solvedb"):
subprocess.call("rm -rf %s" % (path + "/solvedb"), shell=True)
os.mkdir(path + "/solvedb")
m = open(path + "/solvedb/manifest", "w")
m.write("# Dynamically generated solve manifest\n")
for f in manifest:
m.write(f + "\n")
m.close()
cmd = sys.argv[1] + ' -i --replacepkgs --replacefiles --oldpackage -D "_dbpath ' + path + '/solvedb" --justdb \
--noaid --nodeps --noorder --noscripts --notriggers --noparentdirs --nolinktos --stats \
--ignoresize --nosignature --nodigest -D "__dbi_txn create nofsync" \
' + path + '/solvedb/manifest'
subprocess.call(cmd, shell=True)
open(path + "/solvedb.checksum", "w").write(checksum)
open(path + "/solvedb.done", "w")
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