зеркало из https://github.com/microsoft/git.git
490 строки
11 KiB
Bash
490 строки
11 KiB
Bash
#!/bin/sh
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#
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# Copyright (c) 2005 Jon Seymour
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#
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test_description='Tests git-rev-list --merge-order functionality'
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. ./test-lib.sh
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#
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# TODO: move the following block (upto --- end ...) into testlib.sh
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#
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[ -d .git/refs/tags ] || mkdir -p .git/refs/tags
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sed_script="";
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# Answer the sha1 has associated with the tag. The tag must exist in .git or .git/refs/tags
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tag()
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{
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_tag=$1
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[ -f .git/refs/tags/$_tag ] || error "tag: \"$_tag\" does not exist"
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cat .git/refs/tags/$_tag
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}
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# Generate a commit using the text specified to make it unique and the tree
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# named by the tag specified.
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unique_commit()
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{
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_text=$1
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_tree=$2
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shift 2
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echo $_text | git-commit-tree $(tag $_tree) "$@"
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}
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# Save the output of a command into the tag specified. Prepend
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# a substitution script for the tag onto the front of $sed_script
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save_tag()
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{
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_tag=$1
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[ -n "$_tag" ] || error "usage: save_tag tag commit-args ..."
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shift 1
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"$@" >.git/refs/tags/$_tag
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sed_script="s/$(tag $_tag)/$_tag/g${sed_script+;}$sed_script"
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}
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# Replace unhelpful sha1 hashses with their symbolic equivalents
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entag()
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{
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sed "$sed_script"
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}
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# Execute a command after first saving, then setting the GIT_AUTHOR_EMAIL
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# tag to a specified value. Restore the original value on return.
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as_author()
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{
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_author=$1
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shift 1
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_save=$GIT_AUTHOR_EMAIL
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export GIT_AUTHOR_EMAIL="$_author"
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"$@"
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export GIT_AUTHOR_EMAIL="$_save"
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}
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commit_date()
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{
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_commit=$1
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git-cat-file commit $_commit | sed -n "s/^committer .*> \([0-9]*\) .*/\1/p"
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}
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on_committer_date()
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{
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_date=$1
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shift 1
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GIT_COMMITTER_DATE=$_date "$@"
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}
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# Execute a command and suppress any error output.
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hide_error()
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{
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"$@" 2>/dev/null
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}
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check_output()
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{
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_name=$1
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shift 1
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if "$@" | entag > $_name.actual
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then
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diff $_name.expected $_name.actual
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else
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return 1;
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fi
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}
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# Turn a reasonable test description into a reasonable test name.
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# All alphanums translated into -'s which are then compressed and stripped
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# from front and back.
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name_from_description()
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{
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tr "'" '-' | tr '~`!@#$%^&*()_+={}[]|\;:"<>,/? ' '-' | tr -s '-' | tr '[A-Z]' '[a-z]' | sed "s/^-*//;s/-*\$//"
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}
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# Execute the test described by the first argument, by eval'ing
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# command line specified in the 2nd argument. Check the status code
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# is zero and that the output matches the stream read from
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# stdin.
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test_output_expect_success()
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{
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_description=$1
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_test=$2
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[ $# -eq 2 ] || error "usage: test_output_expect_success description test <<EOF ... EOF"
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_name=$(echo $_description | name_from_description)
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cat > $_name.expected
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test_expect_success "$_description" "check_output $_name $_test"
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}
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# --- end of stuff to move ---
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# test-case specific test function
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check_adjacency()
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{
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read previous
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echo "= $previous"
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while read next
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do
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if ! (git-cat-file commit $previous | grep "^parent $next" >/dev/null)
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then
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echo "^ $next"
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else
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echo "| $next"
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fi
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previous=$next
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done
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}
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list_duplicates()
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{
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"$@" | sort | uniq -d
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}
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grep_stderr()
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{
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args=$1
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shift 1
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"$@" 2>&1 | grep "$args"
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}
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date >path0
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git-update-cache --add path0
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save_tag tree git-write-tree
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on_committer_date "1971-08-16 00:00:00" hide_error save_tag root unique_commit root tree
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on_committer_date "1971-08-16 00:00:01" save_tag l0 unique_commit l0 tree -p root
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on_committer_date "1971-08-16 00:00:02" save_tag l1 unique_commit l1 tree -p l0
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on_committer_date "1971-08-16 00:00:03" save_tag l2 unique_commit l2 tree -p l1
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on_committer_date "1971-08-16 00:00:04" save_tag a0 unique_commit a0 tree -p l2
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on_committer_date "1971-08-16 00:00:05" save_tag a1 unique_commit a1 tree -p a0
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on_committer_date "1971-08-16 00:00:06" save_tag b1 unique_commit b1 tree -p a0
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on_committer_date "1971-08-16 00:00:07" save_tag c1 unique_commit c1 tree -p b1
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on_committer_date "1971-08-16 00:00:08" as_author foobar@example.com save_tag b2 unique_commit b2 tree -p b1
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on_committer_date "1971-08-16 00:00:09" save_tag b3 unique_commit b2 tree -p b2
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on_committer_date "1971-08-16 00:00:10" save_tag c2 unique_commit c2 tree -p c1 -p b2
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on_committer_date "1971-08-16 00:00:11" save_tag c3 unique_commit c3 tree -p c2
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on_committer_date "1971-08-16 00:00:12" save_tag a2 unique_commit a2 tree -p a1
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on_committer_date "1971-08-16 00:00:13" save_tag a3 unique_commit a3 tree -p a2
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on_committer_date "1971-08-16 00:00:14" save_tag b4 unique_commit b4 tree -p b3 -p a3
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on_committer_date "1971-08-16 00:00:15" save_tag a4 unique_commit a4 tree -p a3 -p b4 -p c3
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on_committer_date "1971-08-16 00:00:16" save_tag l3 unique_commit l3 tree -p a4
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on_committer_date "1971-08-16 00:00:17" save_tag l4 unique_commit l4 tree -p l3
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on_committer_date "1971-08-16 00:00:18" save_tag l5 unique_commit l5 tree -p l4
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on_committer_date "1971-08-16 00:00:19" save_tag m1 unique_commit m1 tree -p a4 -p c3
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on_committer_date "1971-08-16 00:00:20" save_tag m2 unique_commit m2 tree -p c3 -p a4
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#
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# note: as of 20/6, it isn't possible to create duplicate parents, so this
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# can't be tested.
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#
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#on_committer_date "1971-08-16 00:00:20" save_tag m3 unique_commit m3 tree -p c3 -p a4 -p c3
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hide_error save_tag e1 as_author e@example.com unique_commit e1 tree
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save_tag e2 as_author e@example.com unique_commit e2 tree -p e1
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save_tag f1 as_author f@example.com unique_commit f1 tree -p e1
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save_tag e3 as_author e@example.com unique_commit e3 tree -p e2
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save_tag f2 as_author f@example.com unique_commit f2 tree -p f1
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save_tag e4 as_author e@example.com unique_commit e4 tree -p e3 -p f2
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save_tag e5 as_author e@example.com unique_commit e5 tree -p e4
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save_tag f3 as_author f@example.com unique_commit f3 tree -p f2
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save_tag f4 as_author f@example.com unique_commit f4 tree -p f3
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save_tag e6 as_author e@example.com unique_commit e6 tree -p e5 -p f4
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save_tag f5 as_author f@example.com unique_commit f5 tree -p f4
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save_tag f6 as_author f@example.com unique_commit f6 tree -p f5 -p e6
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save_tag e7 as_author e@example.com unique_commit e7 tree -p e6
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save_tag e8 as_author e@example.com unique_commit e8 tree -p e7
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save_tag e9 as_author e@example.com unique_commit e9 tree -p e8
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save_tag f7 as_author f@example.com unique_commit f7 tree -p f6
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save_tag f8 as_author f@example.com unique_commit f8 tree -p f7
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save_tag f9 as_author f@example.com unique_commit f9 tree -p f8
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save_tag e10 as_author e@example.com unique_commit e1 tree -p e9 -p f8
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hide_error save_tag g0 unique_commit g0 tree
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save_tag g1 unique_commit g1 tree -p g0
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save_tag h1 unique_commit g2 tree -p g0
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save_tag g2 unique_commit g3 tree -p g1 -p h1
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save_tag h2 unique_commit g4 tree -p g2
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save_tag g3 unique_commit g5 tree -p g2
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save_tag g4 unique_commit g6 tree -p g3 -p h2
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tag l5 > .git/HEAD
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#
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# cd to t/trash and use
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#
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# git-rev-list ... 2>&1 | sed "$(cat sed.script)"
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#
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# if you ever want to manually debug the operation of git-rev-list
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#
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echo $sed_script > sed.script
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test_expect_success 'rev-list has correct number of entries' 'git-rev-list HEAD | wc -l | tr -s " "' <<EOF
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19
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EOF
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normal_adjacency_count=$(git-rev-list HEAD | check_adjacency | grep -c "\^" | tr -d ' ')
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merge_order_adjacency_count=$(git-rev-list --merge-order HEAD | check_adjacency | grep -c "\^" | tr -d ' ')
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test_expect_success '--merge-order produces as many or fewer discontinuities' '[ $merge_order_adjacency_count -le $normal_adjacency_count ]'
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test_output_expect_success 'simple merge order' 'git-rev-list --merge-order --show-breaks HEAD' <<EOF
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= l5
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| l4
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| l3
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= a4
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| c3
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| c2
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| c1
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^ b4
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| b3
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| b2
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| b1
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^ a3
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| a2
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| a1
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= a0
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| l2
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| l1
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| l0
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= root
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EOF
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test_output_expect_success 'two diamonds merge order (g6)' 'git-rev-list --merge-order --show-breaks g4' <<EOF
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= g4
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| h2
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^ g3
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= g2
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| h1
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^ g1
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= g0
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EOF
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test_output_expect_success 'multiple heads' 'git-rev-list --merge-order a3 b3 c3' <<EOF
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c3
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c2
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c1
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b3
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b2
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b1
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a3
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a2
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a1
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a0
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l2
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l1
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l0
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root
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EOF
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test_output_expect_success 'multiple heads, prune at a1' 'git-rev-list --merge-order a3 b3 c3 ^a1' <<EOF
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c3
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c2
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c1
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b3
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b2
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b1
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a3
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a2
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EOF
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test_output_expect_success 'multiple heads, prune at l1' 'git-rev-list --merge-order a3 b3 c3 ^l1' <<EOF
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c3
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c2
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c1
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b3
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b2
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b1
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a3
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a2
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a1
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a0
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l2
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EOF
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test_output_expect_success 'cross-epoch, head at l5, prune at l1' 'git-rev-list --merge-order l5 ^l1' <<EOF
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l5
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l4
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l3
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a4
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c3
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c2
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c1
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b4
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b3
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b2
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b1
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a3
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a2
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a1
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a0
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l2
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EOF
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test_output_expect_success 'duplicated head arguments' 'git-rev-list --merge-order l5 l5 ^l1' <<EOF
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l5
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l4
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l3
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a4
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c3
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c2
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c1
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b4
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b3
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b2
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b1
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a3
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a2
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a1
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a0
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l2
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EOF
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test_output_expect_success 'prune near merge' 'git-rev-list --merge-order a4 ^c3' <<EOF
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a4
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b4
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b3
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a3
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a2
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a1
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EOF
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test_output_expect_success "head has no parent" 'git-rev-list --merge-order --show-breaks root' <<EOF
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= root
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EOF
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test_output_expect_success "two nodes - one head, one base" 'git-rev-list --merge-order --show-breaks l0' <<EOF
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= l0
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= root
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EOF
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test_output_expect_success "three nodes one head, one internal, one base" 'git-rev-list --merge-order --show-breaks l1' <<EOF
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= l1
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| l0
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= root
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EOF
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test_output_expect_success "linear prune l2 ^root" 'git-rev-list --merge-order --show-breaks l2 ^root' <<EOF
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= l2
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| l1
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| l0
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EOF
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test_output_expect_success "linear prune l2 ^l0" 'git-rev-list --merge-order --show-breaks l2 ^l0' <<EOF
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= l2
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| l1
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EOF
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test_output_expect_success "linear prune l2 ^l1" 'git-rev-list --merge-order --show-breaks l2 ^l1' <<EOF
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= l2
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EOF
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test_output_expect_success "linear prune l5 ^a4" 'git-rev-list --merge-order --show-breaks l5 ^a4' <<EOF
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= l5
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| l4
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| l3
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EOF
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test_output_expect_success "linear prune l5 ^l3" 'git-rev-list --merge-order --show-breaks l5 ^l3' <<EOF
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= l5
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| l4
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EOF
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test_output_expect_success "linear prune l5 ^l4" 'git-rev-list --merge-order --show-breaks l5 ^l4' <<EOF
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= l5
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EOF
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test_output_expect_success "max-count 10 - merge order" 'git-rev-list --merge-order --show-breaks --max-count=10 l5' <<EOF
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= l5
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| l4
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| l3
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= a4
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| c3
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| c2
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| c1
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^ b4
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| b3
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| b2
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EOF
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test_output_expect_success "max-count 10 - non merge order" 'git-rev-list --max-count=10 l5 | sort' <<EOF
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a4
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b2
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b3
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b4
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c1
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c2
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c3
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l3
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l4
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l5
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EOF
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test_output_expect_success '--max-age=c3, no --merge-order' "git-rev-list --max-age=$(commit_date c3) l5" <<EOF
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l5
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l4
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l3
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a4
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b4
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a3
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a2
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c3
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EOF
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test_output_expect_success '--max-age=c3, --merge-order' "git-rev-list --merge-order --max-age=$(commit_date c3) l5" <<EOF
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l5
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l4
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l3
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a4
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c3
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b4
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a3
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a2
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EOF
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test_output_expect_success 'one specified head reachable from another a4, c3, --merge-order' "list_duplicates git-rev-list --merge-order a4 c3" <<EOF
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EOF
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test_output_expect_success 'one specified head reachable from another c3, a4, --merge-order' "list_duplicates git-rev-list --merge-order c3 a4" <<EOF
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EOF
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test_output_expect_success 'one specified head reachable from another a4, c3, no --merge-order' "list_duplicates git-rev-list a4 c3" <<EOF
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EOF
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test_output_expect_success 'one specified head reachable from another c3, a4, no --merge-order' "list_duplicates git-rev-list c3 a4" <<EOF
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EOF
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test_output_expect_success 'graph with c3 and a4 parents of head' "list_duplicates git-rev-list m1" <<EOF
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EOF
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test_output_expect_success 'graph with a4 and c3 parents of head' "list_duplicates git-rev-list m2" <<EOF
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EOF
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test_expect_success "head ^head --merge-order" 'git-rev-list --merge-order --show-breaks a3 ^a3' <<EOF
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EOF
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#
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# can't test this now - duplicate parents can't be created
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#
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#test_output_expect_success 'duplicate parents' 'git-rev-list --parents --merge-order --show-breaks m3' <<EOF
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#= m3 c3 a4 c3
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#| a4 c3 b4 a3
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#| b4 a3 b3
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#| b3 b2
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#^ a3 a2
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#| a2 a1
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#| a1 a0
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#^ c3 c2
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#| c2 b2 c1
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#| b2 b1
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#^ c1 b1
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#| b1 a0
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#= a0 l2
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#| l2 l1
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#| l1 l0
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#| l0 root
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#= root
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#EOF
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test_expect_success "head ^head no --merge-order" 'git-rev-list a3 ^a3' <<EOF
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EOF
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#
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#
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test_done
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