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| author | Richard Purdie <richard.purdie@linuxfoundation.org> | 2013-02-03 17:34:54 +0000 |
|---|---|---|
| committer | Richard Purdie <richard.purdie@linuxfoundation.org> | 2013-02-06 13:12:59 +0000 |
| commit | dd61d225843346f2c4500a54a609e63394f4cc35 (patch) | |
| tree | dca2c837bdac2c18e7d7b4a47c9b1eb447040117 /meta/lib | |
| parent | 6c7d6d6c8a35568c7e7db6e32fa86825bd2cda65 (diff) | |
| download | ast2050-yocto-poky-dd61d225843346f2c4500a54a609e63394f4cc35.zip ast2050-yocto-poky-dd61d225843346f2c4500a54a609e63394f4cc35.tar.gz | |
sstate/path.py: Add copyhardlinktree() function and use for performance optimisation
Add a function which copys a tree as a set of hardlinks to the original
files, then use this in sstate to reduce some of the overhead of sstate
package creation since the file isn't actually copied.
(From OE-Core rev: 8e373e69acac853213a62afb8bbdf0adc0c5045a)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'meta/lib')
| -rw-r--r-- | meta/lib/oe/path.py | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/meta/lib/oe/path.py b/meta/lib/oe/path.py index 7197b23..ea58bed 100644 --- a/meta/lib/oe/path.py +++ b/meta/lib/oe/path.py @@ -83,6 +83,14 @@ def copytree(src, dst): cmd = 'tar -cf - -C %s -ps . | tar -xf - -C %s' % (src, dst) check_output(cmd, shell=True, stderr=subprocess.STDOUT) +def copyhardlinktree(src, dst): + bb.utils.mkdirhier(dst) + if os.path.isdir(src): + if not len(os.listdir(src)): + return + src = src + "/*" + cmd = 'cp -al %s %s' % (src, dst) + check_output(cmd, shell=True, stderr=subprocess.STDOUT) def remove(path, recurse=True): """Equivalent to rm -f or rm -rf""" |
