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author | Samuel Lijin <sxlijin@gmail.com> | 2017-05-23 06:09:37 -0400 |
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committer | Junio C Hamano <gitster@pobox.com> | 2017-05-24 07:31:50 +0900 |
commit | 6b1db43109ab3d4c92e61874cd149779c66016db (patch) | |
tree | 52ea7848d4fa3e2793380eb1e45b81a14ef3aedf /t/t5515/fetch.br-unconfig_branches-default | |
parent | dir: expose cmp_name() and check_contains() (diff) | |
download | tgif-6b1db43109ab3d4c92e61874cd149779c66016db.tar.xz |
clean: teach clean -d to preserve ignored paths
There is an implicit assumption that a directory containing only
untracked and ignored paths should itself be considered untracked. This
makes sense in use cases where we're asking if a directory should be
added to the git database, but not when we're asking if a directory can
be safely removed from the working tree; as a result, clean -d would
assume that an "untracked" directory containing ignored paths could be
deleted, even though doing so would also remove the ignored paths.
To get around this, we teach clean -d to collect ignored paths and skip
an untracked directory if it contained an ignored path, instead just
removing the untracked contents thereof. To achieve this, cmd_clean()
has to collect all untracked contents of untracked directories, in
addition to all ignored paths, to determine which untracked dirs must be
skipped (because they contain ignored paths) and which ones should *not*
be skipped.
For this purpose, correct_untracked_entries() is introduced to prune a
given dir_struct of untracked entries containing ignored paths and those
untracked entries encompassed by the untracked entries which are not
pruned away.
A memory leak is also fixed in cmd_clean().
This also fixes the known breakage in t7300, since clean -d now skips
untracked directories containing ignored paths.
Signed-off-by: Samuel Lijin <sxlijin@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 't/t5515/fetch.br-unconfig_branches-default')
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