poky/scripts/cp-noerror
Richard Purdie 81be7c898b scripts/cp-noerror: Try and use hardlinks if possible
Since we generally have lots of copies of the directories created using this tool, use
hardlinks where possible. This should save a little disk space and improve performance
slightly.

(From OE-Core rev: bfa11c028c2da093f7b4e6b7b1d611da90ae052f)

(From OE-Core rev: 8c5544c2311b080bb212efb7f6b804db63e125f5)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2012-10-18 12:13:46 +01:00

52 lines
1.3 KiB
Python
Executable File

#!/usr/bin/env python
#
# Allow copying of $1 to $2 but if files in $1 disappear during the copy operation,
# don't error.
#
import sys
import os
import shutil
def copytree(src, dst, symlinks=False, ignore=None):
"""Based on shutil.copytree"""
names = os.listdir(src)
try:
os.makedirs(dst)
except OSError:
# Already exists
pass
errors = []
for name in names:
srcname = os.path.join(src, name)
dstname = os.path.join(dst, name)
try:
d = dstname
if os.path.isdir(dstname):
d = os.path.join(dstname, os.path.basename(srcname))
if os.path.exists(d):
continue
try:
os.link(srcname, dstname)
except OSError:
shutil.copy2(srcname, dstname)
# catch the Error from the recursive copytree so that we can
# continue with other files
except shutil.Error, err:
errors.extend(err.args[0])
except EnvironmentError, why:
errors.append((srcname, dstname, str(why)))
try:
shutil.copystat(src, dst)
except OSError, why:
errors.extend((src, dst, str(why)))
if errors:
raise shutil.Error, errors
try:
copytree(sys.argv[1], sys.argv[2])
except shutil.Error:
pass