Correctly quote config values while saving

Streamline url-parsing logic.

update example to new packfile creation signature

Allow callers to set mode on packfile creation

Add git_packbuilder_hash to query pack filename

Signed-off-by: Sven Strickroth <email@cs-ware.de>

Signed-off-by: Sven Strickroth <email@cs-ware.de>

Signed-off-by: Sven Strickroth <email@cs-ware.de>

If the value contains a command (; or #) char or starts or ends with space it needs to be quoted.

Signed-off-by: Sven Strickroth <email@cs-ware.de>

don't double free pkt

Change the git_branch_iterator_new definition to use git_branch_t

Plug configuration file search paths tests leaks

Plug git_merge() related leaks

merge!

Fix leaks

branch: move from foreach to an iterator

Preserve error messages during file system iterator cleanup

Create a git_branch_iterator type which is equivalent to the foreach but
lets us write loops instead of callbacks.

Since the introduction of git_reference_shorthand(), the added value of
passing the name is reduced.

Propagate ELOCKED error when updating the config

Take umask into account in filebuf_commit