121 lines
3.4 KiB
Bash
Executable File
121 lines
3.4 KiB
Bash
Executable File
#!/bin/sh
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test_description='git mktree'
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. ./test-lib.sh
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test_expect_success setup '
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for d in a a- a0
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do
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mkdir "$d" && echo "$d/one" >"$d/one" &&
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git add "$d" || return 1
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done &&
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echo zero >one &&
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if test_have_prereq BROKEN_OBJECTS
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then
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git update-index --add --info-only one &&
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git write-tree --missing-ok >tree.missing &&
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git ls-tree $(cat tree.missing) >top.missing &&
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git ls-tree -r $(cat tree.missing) >all.missing
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fi &&
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echo one >one &&
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git add one &&
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git write-tree >tree &&
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git ls-tree $(cat tree) >top &&
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git ls-tree -r $(cat tree) >all &&
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test_tick &&
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git commit -q -m one &&
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H=$(git rev-parse HEAD) &&
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git update-index --add --cacheinfo 160000 $H sub &&
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test_tick &&
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git commit -q -m two &&
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git rev-parse HEAD^{tree} >tree.withsub &&
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git ls-tree HEAD >top.withsub &&
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git ls-tree -r HEAD >all.withsub
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'
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test_expect_success 'ls-tree piped to mktree (1)' '
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git mktree <top >actual &&
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test_cmp tree actual
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'
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test_expect_success 'ls-tree piped to mktree (2)' '
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git mktree <top.withsub >actual &&
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test_cmp tree.withsub actual
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'
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test_expect_success 'ls-tree output in wrong order given to mktree (1)' '
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sort -r <top |
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git mktree >actual &&
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test_cmp tree actual
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'
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test_expect_success 'ls-tree output in wrong order given to mktree (2)' '
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sort -r <top.withsub |
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git mktree >actual &&
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test_cmp tree.withsub actual
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'
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test_expect_success BROKEN_OBJECTS 'allow missing object with --missing' '
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git mktree --missing <top.missing >actual &&
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test_cmp tree.missing actual
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'
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test_expect_success 'mktree refuses to read ls-tree -r output (1)' '
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test_must_fail git mktree <all
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'
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test_expect_success 'mktree refuses to read ls-tree -r output (2)' '
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test_must_fail git mktree <all.withsub
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'
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test_expect_success PIPE 'mktree --batch survives a concurrent repack retiring a pack' '
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test_when_finished "rm -fr race" &&
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git init race &&
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(
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cd race &&
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test_commit seed &&
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a=$(echo A | git hash-object -w --stdin) &&
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b=$(echo B | git hash-object -w --stdin) &&
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echo "$a" | git pack-objects .git/objects/pack/pack >pack-a &&
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echo "$b" | git pack-objects .git/objects/pack/pack >pack-b &&
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# Drop the loose copies so the blobs resolve only through the
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# packs the multi-pack-index names.
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git prune-packed &&
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git multi-pack-index write &&
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printf "100644 blob %s\ta\n" "$a" >tree-a &&
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printf "100644 blob %s\tb\n" "$b" >tree-b &&
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victim=".git/objects/pack/pack-$(cat pack-b)" &&
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mkfifo in out &&
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# mktree --batch stays resident, so its pack view predates the
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# repack below; feed it one tree at a time over a fifo. The
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# subshell exit closes the fifos, letting mktree see EOF and quit.
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(git mktree --batch <in >out 2>err &) &&
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exec 9>in &&
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exec 8<out &&
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# The first tree makes the reader cache its (soon stale) view.
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cat tree-a >&9 && echo >&9 && read tree_a <&8 &&
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# Mimic a concurrent repack: a replacement pack holds every
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# object, and the pack for b loses its .idx (its .pack lingers),
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# matching the order in which unlink_pack_path() removes files.
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git cat-file --batch-all-objects --batch-check="%(objectname)" >oids &&
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git pack-objects .git/objects/pack/pack <oids >/dev/null &&
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rm -f "$victim.idx" &&
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# Resolving b used to fail, as its QUICK lookup accepted the
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# miss; without QUICK the reader repreps and finds b in the
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# replacement pack.
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cat tree-b >&9 && echo >&9 && read tree_b <&8 &&
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exec 9>&- &&
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test -n "$tree_b"
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)
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'
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test_done
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