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2021-04-16diff-merges: introduce log.diffMerges config variableLibravatar Sergey Organov1-0/+2
New log.diffMerges configuration variable sets the format that --diff-merges=on will be using. The default is "separate". t4013: add the following tests for log.diffMerges config: * Test that wrong values are denied. * Test that the value of log.diffMerges properly affects both --diff-merges=on and -m. t9902: fix completion tests for log.d* to match log.diffMerges. Added documentation for log.diffMerges. Signed-off-by: Sergey Organov <sorganov@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-12-21diff-merges: get rid of now empty diff_merges_init_revs()Libravatar Sergey Organov1-2/+0
After getting rid of 'ignore_merges' field, the diff_merges_init_revs() function became empty. Get rid of it. Signed-off-by: Sergey Organov <sorganov@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-12-21diff-merges: new function diff_merges_set_dense_combined_if_unset()Libravatar Sergey Organov1-0/+2
Call it where given functionality is needed instead of direct checking/tweaking of diff merges related fields. Signed-off-by: Sergey Organov <sorganov@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-12-21diff-merges: new function diff_merges_suppress()Libravatar Sergey Organov1-0/+2
This function sets all the relevant flags to disabled state, so that no code that checks only one of them get it wrong. Then we call this new function everywhere where diff merges output suppression is needed. Signed-off-by: Sergey Organov <sorganov@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-12-21diff-merges: re-arrange functions to match the order they are called inLibravatar Sergey Organov1-3/+2
For clarity, define public functions in the order they are called, to make logic inter-dependencies easier to grok. Signed-off-by: Sergey Organov <sorganov@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-12-21diff-merges: rename diff_merges_default_to_enable() to match semanticsLibravatar Sergey Organov1-1/+1
Rename diff_merges_default_to_enable() to diff_merges_default_to_first_parent() to match its semantics. Signed-off-by: Sergey Organov <sorganov@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-12-21diff-merges: move checks for first_parent_only out of the moduleLibravatar Sergey Organov1-1/+1
The checks for first_parent_only don't in fact belong to this module, as the primary purpose of this flag is history traversal limiting, so get it out of this module and rename the diff_merges_first_parent_defaults_to_enable() to diff_merges_default_to_enable() to match new semantics. Signed-off-by: Sergey Organov <sorganov@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-12-21diff-merges: rename all functions to have common prefixLibravatar Sergey Organov1-5/+10
Use the same "diff_merges" prefix for all the diff merges function names. Signed-off-by: Sergey Organov <sorganov@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-12-21revision: move diff merges functions to its own diff-merges.cLibravatar Sergey Organov1-0/+18
Create separate diff-merges.c and diff-merges.h files, and move all the code related to handling of diff merges there. Signed-off-by: Sergey Organov <sorganov@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>