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epriestley 785f3c98da Extract raw commit messages from Git more faithfully across Git versions
Summary:
Fixes T5028. Older versions of Git (apparently, from before 2010) did not provide a way to extract the raw body of a commit message from "git log", so we approximate it with "subject" and "wrapped body".

In newer versions of Git, the raw body can be extracted exactly.

Adjust how we extract messages based on the version of Git, and try to be more faithful to edge cases: particularly, be more careful to extract the correct number of trailing newlines.

Test Plan:
  - Added "var_dump()" + "die(1)" later in this method, then pushed various commit messages. Used "&& false" to force execution down the old path (either path should work in modern Git).
  - Observed more faithful extraction of messages, including a more faithful extraction of the number of trailing newlines. Extraction is fully faithful if we can go down the "%B" path, which we should be able to in nearly all modern cases.
  - Not all messages extract faithfully or consistently across the old and new versions, but the old extraction is destructive so this is likely about as close as we can realistically ever get.

Maniphest Tasks: T5028

Differential Revision: https://secure.phabricator.com/D21027
2020-02-24 12:37:45 -08:00
..
builtin Dynamically composite favicons from customizable sources 2018-03-12 15:28:41 -07:00
celerity Extract raw commit messages from Git more faithfully across Git versions 2020-02-24 12:37:45 -08:00
cows Use PHP implementation of Cowsay for cowsay rule 2015-09-13 12:27:30 -07:00
emoji Add aliases for "party" emoji (🎉) 2018-02-05 12:23:26 -08:00
figlet/custom Include "Figlet" and PEAR "Text_Figlet" in externals 2015-09-13 12:30:48 -07:00
font Made Meme Generator 2013-01-19 18:43:43 -08:00
sprite Uh, update Phabricator login image 2017-08-11 13:37:26 -07:00
sql Remove all readers and all nontrivial writers for "accountType" and "accountDomain" on "ExternalAccount" 2020-02-22 17:48:46 -08:00
sshd Drop interactive login from sshd example 2017-06-27 12:51:46 -07:00
timezones Merge a small amount of remaining "libphutil/" code with Phabricator, break libphutil dependency 2020-02-12 15:17:36 -08:00