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revision: Turn off history simplification in --ancestry-path mode

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When using --ancestry-path together with history simplification (typically
triggered by path limiting), history simplification would get in the way of
--ancestry-path by prematurely removing the parent links between commits on
which the ancestry path calculations are made.

This patch disables this history simplification when --ancestry-path is
enabled. This is similar to what e.g. --full-history already does.

The patch also includes a simple testcase verifying that --ancestry-path
works together with path limiting.

Signed-off-by: Johan Herland <johan@herland.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Johan Herland 2010-06-04 01:17:37 +02:00 committed by Junio C Hamano
parent 97b03c3538
commit cb7529e13b
2 changed files with 18 additions and 0 deletions
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1
revision.c
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@ -1190,6 +1190,7 @@ static int handle_revision_opt(struct rev_info *revs, int argc, const char **arg
revs->first_parent_only = 1;
} else if (!strcmp(arg, "--ancestry-path")) {
revs->ancestry_path = 1;
revs->simplify_history = 0;
revs->limited = 1;
} else if (!strcmp(arg, "-g") || !strcmp(arg, "--walk-reflogs")) {
init_reflog_walk(&revs->reflog_info);

17
t/t6019-rev-list-ancestry-path.sh
View File

@ -10,6 +10,9 @@ test_description='--ancestry-path'
#
# D..M == E F G H I J K L M
# --ancestry-path D..M == E F H I J L M
#
# D..M -- M.t == M
# --ancestry-path D..M -- M.t == M
. ./test-lib.sh
@ -53,4 +56,18 @@ test_expect_success 'rev-list --ancestry-path D..M' '
test_cmp expect actual
'
test_expect_success 'rev-list D..M -- M.t' '
echo M >expect &&
git rev-list --format=%s D..M -- M.t |
sed -e "/^commit /d" >actual &&
test_cmp expect actual
'
test_expect_success 'rev-list --ancestry-patch D..M -- M.t' '
echo M >expect &&
git rev-list --ancestry-path --format=%s D..M -- M.t |
sed -e "/^commit /d" >actual &&
test_cmp expect actual
'
test_done