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| author | Sam Thursfield <sam.thursfield@codethink.co.uk> | 2012-10-02 11:21:53 +0100 |
|---|---|---|
| committer | Sam Thursfield <sam.thursfield@codethink.co.uk> | 2012-10-03 14:40:37 +0100 |
| commit | 28f8e387b8e5bf6ffcc0ca340bfc8717d5ffc9d5 (patch) | |
| tree | f65a926c6ee38e3581793061fd2929668c61f1dc /morphlib/git.py | |
| parent | 021b065273c0fd01bd688fc121cbc778973ab7c4 (diff) | |
| download | morph-28f8e387b8e5bf6ffcc0ca340bfc8717d5ffc9d5.tar.gz | |
Extract is_valid_sha1() to morphlib.git
Diffstat (limited to 'morphlib/git.py')
| -rw-r--r-- | morphlib/git.py | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/morphlib/git.py b/morphlib/git.py index 5862ef9b..27f22351 100644 --- a/morphlib/git.py +++ b/morphlib/git.py @@ -225,3 +225,9 @@ def find_first_ref(runcmd, gitdir, ref): '''Find the *first* ref match and returns its sha1.''' return runcmd(['git', 'show-ref', ref], cwd=gitdir).split("\n")[0].split(" ")[0] + +def is_valid_sha1(ref): + '''Checks whether a string is a valid SHA1.''' + + valid_chars = 'abcdefABCDEF0123456789' + return len(ref) == 40 and all([x in valid_chars for x in ref]) |