* Call Git API to determine divergence of a branch and its base branch

Signed-off-by: Mario Lubenka <mario.lubenka@googlemail.com>

* Show commit divergance in branch list

Signed-off-by: Mario Lubenka <mario.lubenka@googlemail.com>

* Adds missing comment

Signed-off-by: Mario Lubenka <mario.lubenka@googlemail.com>

* Adds test for diverging commits

Signed-off-by: Mario Lubenka <mario.lubenka@googlemail.com>

* Try comparing commits instead of branches

Signed-off-by: Mario Lubenka <mario.lubenka@googlemail.com>

* Removes test as CI can't run it

Signed-off-by: Mario Lubenka <mario.lubenka@googlemail.com>

* Adjusts signature of percentage function to allow providing multiple integers as numerator

Signed-off-by: Mario Lubenka <mario.lubenka@googlemail.com>

* Moves CountDivergingCommits function into repofiles module

Signed-off-by: Mario Lubenka <mario.lubenka@googlemail.com>

* Allow git.GetTree to take both commit and tree names, return full paths on entries listed through Tree.ListEntriesRecursive

Signed-off-by: Filip Navara <filip.navara@gmail.com>

* Fix the SHA returned on Git Tree APIs called with commit hash or symbolic name

Signed-off-by: Filip Navara <filip.navara@gmail.com>

* detect and remove a decoded BOM

Signed-off-by: Andrew Thornton <art27@cantab.net>

* Restore the previous encoding and BOM

* On error keep as UTF-8

Signed-off-by: Andrew Thornton <art27@cantab.net>

* create remove BOM function

* Deal with LFSed content

* Update modules/repofiles/update.go

* Fix final LFS bug

* Keep LFS sections referring to opts.Content

* Use go-git for tree reading and commit info lookup.

Signed-off-by: Filip Navara <navara@emclient.com>

* Use TreeEntry.IsRegular() instead of ObjectType that was removed.

Signed-off-by: Filip Navara <navara@emclient.com>

* Use the treePath to optimize commit info search.

Signed-off-by: Filip Navara <navara@emclient.com>

* Extract the latest commit at treePath along with the other commits.

Signed-off-by: Filip Navara <navara@emclient.com>

* Fix listing commit info for a directory that was created in one commit and never modified after.

Signed-off-by: Filip Navara <navara@emclient.com>

* Avoid nearly all external 'git' invocations when doing directory listing (.editorconfig code path is still hit).

Signed-off-by: Filip Navara <navara@emclient.com>

* Use go-git for reading blobs.

Signed-off-by: Filip Navara <navara@emclient.com>

* Make SHA1 type alias for plumbing.Hash in go-git.

Signed-off-by: Filip Navara <navara@emclient.com>

* Make Signature type alias for object.Signature in go-git.

Signed-off-by: Filip Navara <navara@emclient.com>

* Fix GetCommitsInfo for repository with only one commit.

Signed-off-by: Filip Navara <navara@emclient.com>

* Fix PGP signature verification.

Signed-off-by: Filip Navara <navara@emclient.com>

* Fix issues with walking commit graph across merges.

Signed-off-by: Filip Navara <navara@emclient.com>

* Fix typo in condition.

Signed-off-by: Filip Navara <navara@emclient.com>

* Speed up loading branch list by keeping the repository reference (and thus all the loaded packfile indexes).

Signed-off-by: Filip Navara <navara@emclient.com>

* Fix lising submodules.

Signed-off-by: Filip Navara <navara@emclient.com>

* Fix build

Signed-off-by: Filip Navara <navara@emclient.com>

* Add back commit cache because of name-rev

Signed-off-by: Filip Navara <navara@emclient.com>

* Fix tests

Signed-off-by: Filip Navara <navara@emclient.com>

* Fix code style

* Fix spelling

* Address PR feedback

Signed-off-by: Filip Navara <navara@emclient.com>

* Update vendor module list

Signed-off-by: Filip Navara <navara@emclient.com>

* Fix getting trees by commit id

Signed-off-by: Filip Navara <navara@emclient.com>

* Fix remaining unit test failures

* Fix GetTreeBySHA

* Avoid running `git name-rev` if not necessary

Signed-off-by: Filip Navara <navara@emclient.com>

* Move Branch code to git module

* Clean up GPG signature verification and fix it for tagged commits

* Address PR feedback (import formatting, copyright headers)

* Make blob lookup by SHA working

* Update tests to use public API

* Allow getting content from any type of object through the blob interface

* Change test to actually expect the object content that is in the GIT repository

* Change one more test to actually expect the object content that is in the GIT repository

* Add comments