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|
#!/bin/sh
test_description='git repack --geometric works correctly'
. ./test-lib.sh
GIT_TEST_MULTI_PACK_INDEX=0
objdir=.git/objects
midx=$objdir/pack/multi-pack-index
test_expect_success '--geometric with no packs' '
git init geometric &&
test_when_finished "rm -fr geometric" &&
(
cd geometric &&
git repack --write-midx --geometric 2 >out &&
test_i18ngrep "Nothing new to pack" out
)
'
test_expect_success '--geometric with one pack' '
git init geometric &&
test_when_finished "rm -fr geometric" &&
(
cd geometric &&
test_commit "base" &&
git repack -d &&
git repack --geometric 2 >out &&
test_i18ngrep "Nothing new to pack" out
)
'
test_expect_success '--geometric with an intact progression' '
git init geometric &&
test_when_finished "rm -fr geometric" &&
(
cd geometric &&
# These packs already form a geometric progression.
test_commit_bulk --start=1 1 && # 3 objects
test_commit_bulk --start=2 2 && # 6 objects
test_commit_bulk --start=4 4 && # 12 objects
find $objdir/pack -name "*.pack" | sort >expect &&
git repack --geometric 2 -d &&
find $objdir/pack -name "*.pack" | sort >actual &&
test_cmp expect actual
)
'
test_expect_success '--geometric with loose objects' '
git init geometric &&
test_when_finished "rm -fr geometric" &&
(
cd geometric &&
# These packs already form a geometric progression.
test_commit_bulk --start=1 1 && # 3 objects
test_commit_bulk --start=2 2 && # 6 objects
# The loose objects are packed together, breaking the
# progression.
test_commit loose && # 3 objects
find $objdir/pack -name "*.pack" | sort >before &&
git repack --geometric 2 -d &&
find $objdir/pack -name "*.pack" | sort >after &&
comm -13 before after >new &&
comm -23 before after >removed &&
test_line_count = 1 new &&
test_must_be_empty removed &&
git repack --geometric 2 -d &&
find $objdir/pack -name "*.pack" | sort >after &&
# The progression (3, 3, 6) is combined into one new pack.
test_line_count = 1 after
)
'
test_expect_success '--geometric with small-pack rollup' '
git init geometric &&
test_when_finished "rm -fr geometric" &&
(
cd geometric &&
test_commit_bulk --start=1 1 && # 3 objects
test_commit_bulk --start=2 1 && # 3 objects
find $objdir/pack -name "*.pack" | sort >small &&
test_commit_bulk --start=3 4 && # 12 objects
test_commit_bulk --start=7 8 && # 24 objects
find $objdir/pack -name "*.pack" | sort >before &&
git repack --geometric 2 -d &&
# Three packs in total; two of the existing large ones, and one
# new one.
find $objdir/pack -name "*.pack" | sort >after &&
test_line_count = 3 after &&
comm -3 small before | tr -d "\t" >large &&
grep -qFf large after
)
'
test_expect_success '--geometric with small- and large-pack rollup' '
git init geometric &&
test_when_finished "rm -fr geometric" &&
(
cd geometric &&
# size(small1) + size(small2) > size(medium) / 2
test_commit_bulk --start=1 1 && # 3 objects
test_commit_bulk --start=2 1 && # 3 objects
test_commit_bulk --start=2 3 && # 7 objects
test_commit_bulk --start=6 9 && # 27 objects &&
find $objdir/pack -name "*.pack" | sort >before &&
git repack --geometric 2 -d &&
find $objdir/pack -name "*.pack" | sort >after &&
comm -12 before after >untouched &&
# Two packs in total; the largest pack from before running "git
# repack", and one new one.
test_line_count = 1 untouched &&
test_line_count = 2 after
)
'
test_expect_success '--geometric ignores kept packs' '
git init geometric &&
test_when_finished "rm -fr geometric" &&
(
cd geometric &&
test_commit kept && # 3 objects
test_commit pack && # 3 objects
KEPT=$(git pack-objects --revs $objdir/pack/pack <<-EOF
refs/tags/kept
EOF
) &&
PACK=$(git pack-objects --revs $objdir/pack/pack <<-EOF
refs/tags/pack
^refs/tags/kept
EOF
) &&
# neither pack contains more than twice the number of objects in
# the other, so they should be combined. but, marking one as
# .kept on disk will "freeze" it, so the pack structure should
# remain unchanged.
touch $objdir/pack/pack-$KEPT.keep &&
find $objdir/pack -name "*.pack" | sort >before &&
git repack --geometric 2 -d &&
find $objdir/pack -name "*.pack" | sort >after &&
# both packs should still exist
test_path_is_file $objdir/pack/pack-$KEPT.pack &&
test_path_is_file $objdir/pack/pack-$PACK.pack &&
# and no new packs should be created
test_cmp before after &&
# Passing --pack-kept-objects causes packs with a .keep file to
# be repacked, too.
git repack --geometric 2 -d --pack-kept-objects &&
find $objdir/pack -name "*.pack" >after &&
test_line_count = 1 after
)
'
test_expect_success '--geometric chooses largest MIDX preferred pack' '
git init geometric &&
test_when_finished "rm -fr geometric" &&
(
cd geometric &&
# These packs already form a geometric progression.
test_commit_bulk --start=1 1 && # 3 objects
test_commit_bulk --start=2 2 && # 6 objects
ls $objdir/pack/pack-*.idx >before &&
test_commit_bulk --start=4 4 && # 12 objects
ls $objdir/pack/pack-*.idx >after &&
git repack --geometric 2 -dbm &&
comm -3 before after | xargs -n 1 basename >expect &&
test-tool read-midx --preferred-pack $objdir >actual &&
test_cmp expect actual
)
'
test_done
|
