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merge(3p/git): Merge git subtree at v2.29.2

Browse source 
This also bumps the stable nixpkgs to 20.09 as of 2020-11-21, because
there is some breakage in the git build related to the netrc
credentials helper which someone has taken care of in nixpkgs.

The stable channel is not used for anything other than git, so this
should be fine.

Change-Id: I3575a19dab09e1e9556cf8231d717de9890484fb
This commit is contained in:
Vincent Ambo 2020-11-21 19:20:35 +01:00
parent 082c006c04
commit f4609b896f
1485 changed files with 241535 additions and 109418 deletions
Download patch file Download diff file Expand all files Collapse all files

117
third_party/git/t/t3305-notes-fanout.sh vendored
View file

@ -4,6 +4,38 @@ test_description='Test that adding/removing many notes triggers automatic fanout
. ./test-lib.sh
path_has_fanout() {
path=$1 &&
fanout=$2 &&
after_last_slash=$(($(test_oid hexsz) - $fanout * 2)) &&
echo $path | grep -q "^\([0-9a-f]\{2\}/\)\{$fanout\}[0-9a-f]\{$after_last_slash\}$"
}
touched_one_note_with_fanout() {
notes_commit=$1 &&
modification=$2 && # 'A' for addition, 'D' for deletion
fanout=$3 &&
diff=$(git diff-tree --no-commit-id --name-status --root -r $notes_commit) &&
path=$(echo $diff | sed -e "s/^$modification[\t ]//") &&
path_has_fanout "$path" $fanout;
}
all_notes_have_fanout() {
notes_commit=$1 &&
fanout=$2 &&
git ls-tree -r --name-only $notes_commit 2>/dev/null |
while read path
do
path_has_fanout $path $fanout || return 1
done
}
test_expect_success 'tweak test environment' '
git checkout -b nondeterminism &&
test_commit A &&
git checkout --orphan with_notes;
'
test_expect_success 'creating many notes with git-notes' '
num_notes=300 &&
i=0 &&
@ -20,7 +52,7 @@ test_expect_success 'creating many notes with git-notes' '
test_expect_success 'many notes created correctly with git-notes' '
git log | grep "^ " > output &&
i=300 &&
i=$num_notes &&
while test $i -gt 0
do
echo " commit #$i" &&
@ -30,39 +62,46 @@ test_expect_success 'many notes created correctly with git-notes' '
test_cmp expect output
'
test_expect_success 'many notes created with git-notes triggers fanout' '
# Expect entire notes tree to have a fanout == 1
git ls-tree -r --name-only refs/notes/commits |
while read path
test_expect_success 'stable fanout 0 is followed by stable fanout 1' '
i=$num_notes &&
fanout=0 &&
while test $i -gt 0
do
case "$path" in
??/??????????????????????????????????????)
: true
;;
*)
echo "Invalid path \"$path\"" &&
return 1
;;
esac
done
i=$(($i - 1)) &&
if touched_one_note_with_fanout refs/notes/commits~$i A $fanout
then
continue
elif test $fanout -eq 0
then
fanout=1 &&
if all_notes_have_fanout refs/notes/commits~$i $fanout
then
echo "Fanout 0 -> 1 at refs/notes/commits~$i" &&
continue
fi
fi &&
echo "Failed fanout=$fanout check at refs/notes/commits~$i" &&
git ls-tree -r --name-only refs/notes/commits~$i &&
return 1
done &&
all_notes_have_fanout refs/notes/commits 1
'
test_expect_success 'deleting most notes with git-notes' '
num_notes=250 &&
remove_notes=285 &&
i=0 &&
git rev-list HEAD |
while test $i -lt $num_notes && read sha1
while test $i -lt $remove_notes && read sha1
do
i=$(($i + 1)) &&
test_tick &&
git notes remove "$sha1" ||
exit 1
git notes remove "$sha1" 2>/dev/null || return 1
done
'
test_expect_success 'most notes deleted correctly with git-notes' '
git log HEAD~250 | grep "^ " > output &&
i=50 &&
git log HEAD~$remove_notes | grep "^ " > output &&
i=$(($num_notes - $remove_notes)) &&
while test $i -gt 0
do
echo " commit #$i" &&
@ -72,21 +111,29 @@ test_expect_success 'most notes deleted correctly with git-notes' '
test_cmp expect output
'
test_expect_success 'deleting most notes triggers fanout consolidation' '
# Expect entire notes tree to have a fanout == 0
git ls-tree -r --name-only refs/notes/commits |
while read path
test_expect_success 'stable fanout 1 is followed by stable fanout 0' '
i=$remove_notes &&
fanout=1 &&
while test $i -gt 0
do
case "$path" in
????????????????????????????????????????)
: true
;;
*)
echo "Invalid path \"$path\"" &&
return 1
;;
esac
done
i=$(($i - 1)) &&
if touched_one_note_with_fanout refs/notes/commits~$i D $fanout
then
continue
elif test $fanout -eq 1
then
fanout=0 &&
if all_notes_have_fanout refs/notes/commits~$i $fanout
then
echo "Fanout 1 -> 0 at refs/notes/commits~$i" &&
continue
fi
fi &&
echo "Failed fanout=$fanout check at refs/notes/commits~$i" &&
git ls-tree -r --name-only refs/notes/commits~$i &&
return 1
done &&
all_notes_have_fanout refs/notes/commits 0
'
test_done