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#!/usr/bin/env python3
import subprocess, re
# This is a temporary script to detect code changes to WiredTiger primitives.
# FIXME-WT-10861 That ticket will introduce a script to replace this one, delete this script when
# complete.
primitives = [
"__wt_atomic_.*",
"F_CLR_ATOMIC",
"F_SET_ATOMIC",
"FLD_CLR_ATOMIC"
"FLD_CLR_ATOMIC",
"FLD_SET_ATOMIC",
"FLD_SET_ATOMIC",
"REF_SET_STATE",
"volatile",
"WT_BARRIER",
"WT_DHANDLE_ACQUIRE",
"WT_DHANDLE_RELEASE",
"WT_FULL_BARRIER",
"WT_INTL_INDEX_SET",
"WT_ORDERED_READ",
"WT_PAGE_ALLOC_AND_SWAP",
"WT_PUBLISH",
"WT_READ_BARRIER",
"WT_REF_CAS_STATE",
"WT_REF_LOCK",
"WT_REF_UNLOCK",
"WT_STAT_DECRV_ATOMIC",
"WT_STAT_INCRV_ATOMIC",
"WT_WRITE_BARRIER",
]
command = "git rev-parse --show-toplevel"
root = subprocess.run(command, capture_output=True, text=True, shell=True).stdout
command = "git diff $(git merge-base --fork-point develop) -- src/"
diff = subprocess.run(command, capture_output=True, cwd=root.strip(), text=True, shell=True).stdout
found = False
found_primitives = []
start_regex = "^(\+|-).*"
for primitive in primitives:
if (re.search(start_regex + primitive, diff)):
found_primitives.append(primitive)
found = True
if (found):
print("Code changes made since this branch diverged from develop include the following"
" concurrency control primitives: " + str(found_primitives))
print("If you have introduced or removed a primitive it will impact the in progress shared"
" variable review project. Please reach out accordingly.")
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