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#!/usr/bin/env python3
import re, subprocess, sys
DEBUG = False
DRY_RUN = False
NUM_KEEP_PER_BOARD = 4
def main():
ssh_machine = sys.argv[1]
ssh_firmware_dir = sys.argv[2]
# SSH to get list of existing files.
p = subprocess.run(
["ssh", ssh_machine, "find", ssh_firmware_dir, "-name", "\\*-preview.\\*"],
capture_output=True,
)
if p.returncode != 0:
print(p.stderr)
return
all_files = p.stdout.split(b"\n")
# Parse all files to organise into boards/date/version.
boards = {}
for file in all_files:
m = re.match(
rb"([a-z/.]+)/([A-Za-z0-9_-]+)-(20[0-9]{6})-(v[0-9.]+)-preview.([0-9]+).g[0-9a-f]+.",
file,
)
if not m:
continue
dir, board, date, version, ncommits = m.groups()
if board not in boards:
boards[board] = {}
if (date, version, ncommits) not in boards[board]:
boards[board][(date, version, ncommits)] = []
boards[board][(date, version, ncommits)].append(file)
# Collect files to remove based on date and version.
remove = []
for board in boards.values():
filelist = [
(date, version, ncommits, files) for (date, version, ncommits), files in board.items()
]
filelist.sort(reverse=True)
keep = []
for date, version, ncommits, files in filelist:
if keep and (version, ncommits) == keep[-1]:
remove.extend(files)
elif len(keep) >= NUM_KEEP_PER_BOARD:
remove.extend(files)
else:
keep.append((version, ncommits))
if DEBUG:
all_files.sort(reverse=True)
for file in all_files:
print(file, file in remove)
print(len(remove), "/", len(all_files))
# Do removal of files.
for file in remove:
file = str(file, "ascii")
print("remove:", file)
if not DRY_RUN:
p = subprocess.run(["ssh", ssh_machine, "/bin/rm", file], capture_output=True)
if p.returncode != 0:
print(p.stderr)
if __name__ == "__main__":
main()
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