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subtree: fix argument handling in check_parents
315a84f9aa
(subtree: use commits before rejoins for splits, 2018-09-28) changed the signature of check_parents from 'check_parents [REV...]' to 'check_parents PARENTS_EXPR INDENT'. In other words the variable list of parent revisions became a list embedded in a string. However it neglected to unpack the list again before sending it to cache_miss, leading to incorrect calls whenever more than one parent was present. This is the case whenever a merge commit is processed, with the end result being a loss of performance from unecessary rechecks. The indent parameter was subsequently removed ine9525a8a02
(subtree: have $indent actually affect indentation, 2021-04-27), but the argument handling bug remained. For consistency, take multiple arguments in check_parents, and pass all of them to cache_miss separately. Signed-off-by: James Limbouris <james@digitalmatter.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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@ -296,10 +296,9 @@ cache_miss () {
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done
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}
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# Usage: check_parents PARENTS_EXPR
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# Usage: check_parents [REVS...]
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check_parents () {
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assert test $# = 1
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missed=$(cache_miss "$1") || exit $?
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missed=$(cache_miss "$@") || exit $?
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local indent=$(($indent + 1))
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for miss in $missed
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do
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@ -753,7 +752,7 @@ process_split_commit () {
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fi
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createcount=$(($createcount + 1))
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debug "parents: $parents"
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check_parents "$parents"
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check_parents $parents
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newparents=$(cache_get $parents) || exit $?
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debug "newparents: $newparents"
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