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Improve pre-push fileset for a new remote branch

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When pushing a branch that does not exist on the remote repository,
instead of blindly running the checks on every file, this commit locates
the first ancestor not present on the remote repository and uses its
parent as the source of the fileset calculation. If it has no parents,
then the remote repository has no common commits and the checks should
be run on all files.
This commit is contained in:
Filippos Giannakos
2017-02-14 15:47:03 +02:00
parent a81de1ebb3
commit 8c78ddfd5c
1 changed files with 13 additions and 3 deletions
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16
pre_commit/resources/pre-push-tmpl
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@@ -2,9 +2,19 @@ z40=0000000000000000000000000000000000000000
while read local_ref local_sha remote_ref remote_sha
do
if [ "$local_sha" != $z40 ]; then
if [ "$remote_sha" = $z40 ];
then
args="run --all-files"
if [ "$remote_sha" = $z40 ]; then
# First ancestor not found in remote
first_ancestor=$(git rev-list --topo-order --reverse "$local_sha" --not --remotes="$1" | head -n 1)
if [ -n "$first_ancestor" ]; then
# Check that the ancestor has at least one parent
git rev-list --max-parents=0 "$local_sha" | grep "$first_ancestor" > /dev/null
if [ $? -ne 0 ]; then
args="run --all-files"
else
source=$(git rev-parse "$first_ancestor"^)
args="run --origin $local_sha --source $source"
fi
fi
else
args="run --origin $local_sha --source $remote_sha"
fi