You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
489 lines
11 KiB
489 lines
11 KiB
#!/bin/sh |
|
# |
|
# Copyright (c) 2005 Jon Seymour |
|
# |
|
|
|
test_description='Tests git-rev-list --merge-order functionality' |
|
|
|
. ./test-lib.sh |
|
|
|
# |
|
# TODO: move the following block (upto --- end ...) into testlib.sh |
|
# |
|
[ -d .git/refs/tags ] || mkdir -p .git/refs/tags |
|
|
|
sed_script=""; |
|
|
|
# Answer the sha1 has associated with the tag. The tag must exist in .git or .git/refs/tags |
|
tag() |
|
{ |
|
_tag=$1 |
|
[ -f .git/refs/tags/$_tag ] || error "tag: \"$_tag\" does not exist" |
|
cat .git/refs/tags/$_tag |
|
} |
|
|
|
# Generate a commit using the text specified to make it unique and the tree |
|
# named by the tag specified. |
|
unique_commit() |
|
{ |
|
_text=$1 |
|
_tree=$2 |
|
shift 2 |
|
echo $_text | git-commit-tree $(tag $_tree) "$@" |
|
} |
|
|
|
# Save the output of a command into the tag specified. Prepend |
|
# a substitution script for the tag onto the front of $sed_script |
|
save_tag() |
|
{ |
|
_tag=$1 |
|
[ -n "$_tag" ] || error "usage: save_tag tag commit-args ..." |
|
shift 1 |
|
"$@" >.git/refs/tags/$_tag |
|
sed_script="s/$(tag $_tag)/$_tag/g${sed_script+;}$sed_script" |
|
} |
|
|
|
# Replace unhelpful sha1 hashses with their symbolic equivalents |
|
entag() |
|
{ |
|
sed "$sed_script" |
|
} |
|
|
|
# Execute a command after first saving, then setting the GIT_AUTHOR_EMAIL |
|
# tag to a specified value. Restore the original value on return. |
|
as_author() |
|
{ |
|
_author=$1 |
|
shift 1 |
|
_save=$GIT_AUTHOR_EMAIL |
|
|
|
export GIT_AUTHOR_EMAIL="$_author" |
|
"$@" |
|
export GIT_AUTHOR_EMAIL="$_save" |
|
} |
|
|
|
commit_date() |
|
{ |
|
_commit=$1 |
|
git-cat-file commit $_commit | sed -n "s/^committer .*> \([0-9]*\) .*/\1/p" |
|
} |
|
|
|
on_committer_date() |
|
{ |
|
_date=$1 |
|
shift 1 |
|
GIT_COMMITTER_DATE=$_date "$@" |
|
} |
|
|
|
# Execute a command and suppress any error output. |
|
hide_error() |
|
{ |
|
"$@" 2>/dev/null |
|
} |
|
|
|
check_output() |
|
{ |
|
_name=$1 |
|
shift 1 |
|
if "$@" | entag > $_name.actual |
|
then |
|
diff $_name.expected $_name.actual |
|
else |
|
return 1; |
|
fi |
|
|
|
} |
|
|
|
# Turn a reasonable test description into a reasonable test name. |
|
# All alphanums translated into -'s which are then compressed and stripped |
|
# from front and back. |
|
name_from_description() |
|
{ |
|
tr "'" '-' | tr '~`!@#$%^&*()_+={}[]|\;:"<>,/? ' '-' | tr -s '-' | tr '[A-Z]' '[a-z]' | sed "s/^-*//;s/-*\$//" |
|
} |
|
|
|
|
|
# Execute the test described by the first argument, by eval'ing |
|
# command line specified in the 2nd argument. Check the status code |
|
# is zero and that the output matches the stream read from |
|
# stdin. |
|
test_output_expect_success() |
|
{ |
|
_description=$1 |
|
_test=$2 |
|
[ $# -eq 2 ] || error "usage: test_output_expect_success description test <<EOF ... EOF" |
|
_name=$(echo $_description | name_from_description) |
|
cat > $_name.expected |
|
test_expect_success "$_description" "check_output $_name $_test" |
|
} |
|
|
|
# --- end of stuff to move --- |
|
|
|
# test-case specific test function |
|
check_adjacency() |
|
{ |
|
read previous |
|
echo "= $previous" |
|
while read next |
|
do |
|
if ! (git-cat-file commit $previous | grep "^parent $next" >/dev/null) |
|
then |
|
echo "^ $next" |
|
else |
|
echo "| $next" |
|
fi |
|
previous=$next |
|
done |
|
} |
|
|
|
list_duplicates() |
|
{ |
|
"$@" | sort | uniq -d |
|
} |
|
|
|
grep_stderr() |
|
{ |
|
args=$1 |
|
shift 1 |
|
"$@" 2>&1 | grep "$args" |
|
} |
|
|
|
date >path0 |
|
git-update-cache --add path0 |
|
save_tag tree git-write-tree |
|
on_committer_date "1971-08-16 00:00:00" hide_error save_tag root unique_commit root tree |
|
on_committer_date "1971-08-16 00:00:01" save_tag l0 unique_commit l0 tree -p root |
|
on_committer_date "1971-08-16 00:00:02" save_tag l1 unique_commit l1 tree -p l0 |
|
on_committer_date "1971-08-16 00:00:03" save_tag l2 unique_commit l2 tree -p l1 |
|
on_committer_date "1971-08-16 00:00:04" save_tag a0 unique_commit a0 tree -p l2 |
|
on_committer_date "1971-08-16 00:00:05" save_tag a1 unique_commit a1 tree -p a0 |
|
on_committer_date "1971-08-16 00:00:06" save_tag b1 unique_commit b1 tree -p a0 |
|
on_committer_date "1971-08-16 00:00:07" save_tag c1 unique_commit c1 tree -p b1 |
|
on_committer_date "1971-08-16 00:00:08" as_author foobar@example.com save_tag b2 unique_commit b2 tree -p b1 |
|
on_committer_date "1971-08-16 00:00:09" save_tag b3 unique_commit b2 tree -p b2 |
|
on_committer_date "1971-08-16 00:00:10" save_tag c2 unique_commit c2 tree -p c1 -p b2 |
|
on_committer_date "1971-08-16 00:00:11" save_tag c3 unique_commit c3 tree -p c2 |
|
on_committer_date "1971-08-16 00:00:12" save_tag a2 unique_commit a2 tree -p a1 |
|
on_committer_date "1971-08-16 00:00:13" save_tag a3 unique_commit a3 tree -p a2 |
|
on_committer_date "1971-08-16 00:00:14" save_tag b4 unique_commit b4 tree -p b3 -p a3 |
|
on_committer_date "1971-08-16 00:00:15" save_tag a4 unique_commit a4 tree -p a3 -p b4 -p c3 |
|
on_committer_date "1971-08-16 00:00:16" save_tag l3 unique_commit l3 tree -p a4 |
|
on_committer_date "1971-08-16 00:00:17" save_tag l4 unique_commit l4 tree -p l3 |
|
on_committer_date "1971-08-16 00:00:18" save_tag l5 unique_commit l5 tree -p l4 |
|
on_committer_date "1971-08-16 00:00:19" save_tag m1 unique_commit m1 tree -p a4 -p c3 |
|
on_committer_date "1971-08-16 00:00:20" save_tag m2 unique_commit m2 tree -p c3 -p a4 |
|
# |
|
# note: as of 20/6, it isn't possible to create duplicate parents, so this |
|
# can't be tested. |
|
# |
|
#on_committer_date "1971-08-16 00:00:20" save_tag m3 unique_commit m3 tree -p c3 -p a4 -p c3 |
|
hide_error save_tag e1 as_author e@example.com unique_commit e1 tree |
|
save_tag e2 as_author e@example.com unique_commit e2 tree -p e1 |
|
save_tag f1 as_author f@example.com unique_commit f1 tree -p e1 |
|
save_tag e3 as_author e@example.com unique_commit e3 tree -p e2 |
|
save_tag f2 as_author f@example.com unique_commit f2 tree -p f1 |
|
save_tag e4 as_author e@example.com unique_commit e4 tree -p e3 -p f2 |
|
save_tag e5 as_author e@example.com unique_commit e5 tree -p e4 |
|
save_tag f3 as_author f@example.com unique_commit f3 tree -p f2 |
|
save_tag f4 as_author f@example.com unique_commit f4 tree -p f3 |
|
save_tag e6 as_author e@example.com unique_commit e6 tree -p e5 -p f4 |
|
save_tag f5 as_author f@example.com unique_commit f5 tree -p f4 |
|
save_tag f6 as_author f@example.com unique_commit f6 tree -p f5 -p e6 |
|
save_tag e7 as_author e@example.com unique_commit e7 tree -p e6 |
|
save_tag e8 as_author e@example.com unique_commit e8 tree -p e7 |
|
save_tag e9 as_author e@example.com unique_commit e9 tree -p e8 |
|
save_tag f7 as_author f@example.com unique_commit f7 tree -p f6 |
|
save_tag f8 as_author f@example.com unique_commit f8 tree -p f7 |
|
save_tag f9 as_author f@example.com unique_commit f9 tree -p f8 |
|
save_tag e10 as_author e@example.com unique_commit e1 tree -p e9 -p f8 |
|
|
|
hide_error save_tag g0 unique_commit g0 tree |
|
save_tag g1 unique_commit g1 tree -p g0 |
|
save_tag h1 unique_commit g2 tree -p g0 |
|
save_tag g2 unique_commit g3 tree -p g1 -p h1 |
|
save_tag h2 unique_commit g4 tree -p g2 |
|
save_tag g3 unique_commit g5 tree -p g2 |
|
save_tag g4 unique_commit g6 tree -p g3 -p h2 |
|
|
|
tag l5 > .git/HEAD |
|
|
|
# |
|
# cd to t/trash and use |
|
# |
|
# git-rev-list ... 2>&1 | sed "$(cat sed.script)" |
|
# |
|
# if you ever want to manually debug the operation of git-rev-list |
|
# |
|
echo $sed_script > sed.script |
|
|
|
test_expect_success 'rev-list has correct number of entries' 'git-rev-list HEAD | wc -l | tr -s " "' <<EOF |
|
19 |
|
EOF |
|
|
|
normal_adjacency_count=$(git-rev-list HEAD | check_adjacency | grep -c "\^" | tr -d ' ') |
|
merge_order_adjacency_count=$(git-rev-list --merge-order HEAD | check_adjacency | grep -c "\^" | tr -d ' ') |
|
test_expect_success '--merge-order produces as many or fewer discontinuities' '[ $merge_order_adjacency_count -le $normal_adjacency_count ]' |
|
test_output_expect_success 'simple merge order' 'git-rev-list --merge-order --show-breaks HEAD' <<EOF |
|
= l5 |
|
| l4 |
|
| l3 |
|
= a4 |
|
| c3 |
|
| c2 |
|
| c1 |
|
^ b4 |
|
| b3 |
|
| b2 |
|
| b1 |
|
^ a3 |
|
| a2 |
|
| a1 |
|
= a0 |
|
| l2 |
|
| l1 |
|
| l0 |
|
= root |
|
EOF |
|
|
|
test_output_expect_success 'two diamonds merge order (g6)' 'git-rev-list --merge-order --show-breaks g4' <<EOF |
|
= g4 |
|
| h2 |
|
^ g3 |
|
= g2 |
|
| h1 |
|
^ g1 |
|
= g0 |
|
EOF |
|
|
|
test_output_expect_success 'multiple heads' 'git-rev-list --merge-order a3 b3 c3' <<EOF |
|
c3 |
|
c2 |
|
c1 |
|
b3 |
|
b2 |
|
b1 |
|
a3 |
|
a2 |
|
a1 |
|
a0 |
|
l2 |
|
l1 |
|
l0 |
|
root |
|
EOF |
|
|
|
test_output_expect_success 'multiple heads, prune at a1' 'git-rev-list --merge-order a3 b3 c3 ^a1' <<EOF |
|
c3 |
|
c2 |
|
c1 |
|
b3 |
|
b2 |
|
b1 |
|
a3 |
|
a2 |
|
EOF |
|
|
|
test_output_expect_success 'multiple heads, prune at l1' 'git-rev-list --merge-order a3 b3 c3 ^l1' <<EOF |
|
c3 |
|
c2 |
|
c1 |
|
b3 |
|
b2 |
|
b1 |
|
a3 |
|
a2 |
|
a1 |
|
a0 |
|
l2 |
|
EOF |
|
|
|
test_output_expect_success 'cross-epoch, head at l5, prune at l1' 'git-rev-list --merge-order l5 ^l1' <<EOF |
|
l5 |
|
l4 |
|
l3 |
|
a4 |
|
c3 |
|
c2 |
|
c1 |
|
b4 |
|
b3 |
|
b2 |
|
b1 |
|
a3 |
|
a2 |
|
a1 |
|
a0 |
|
l2 |
|
EOF |
|
|
|
test_output_expect_success 'duplicated head arguments' 'git-rev-list --merge-order l5 l5 ^l1' <<EOF |
|
l5 |
|
l4 |
|
l3 |
|
a4 |
|
c3 |
|
c2 |
|
c1 |
|
b4 |
|
b3 |
|
b2 |
|
b1 |
|
a3 |
|
a2 |
|
a1 |
|
a0 |
|
l2 |
|
EOF |
|
|
|
test_output_expect_success 'prune near merge' 'git-rev-list --merge-order a4 ^c3' <<EOF |
|
a4 |
|
b4 |
|
b3 |
|
a3 |
|
a2 |
|
a1 |
|
EOF |
|
|
|
test_output_expect_success "head has no parent" 'git-rev-list --merge-order --show-breaks root' <<EOF |
|
= root |
|
EOF |
|
|
|
test_output_expect_success "two nodes - one head, one base" 'git-rev-list --merge-order --show-breaks l0' <<EOF |
|
= l0 |
|
= root |
|
EOF |
|
|
|
test_output_expect_success "three nodes one head, one internal, one base" 'git-rev-list --merge-order --show-breaks l1' <<EOF |
|
= l1 |
|
| l0 |
|
= root |
|
EOF |
|
|
|
test_output_expect_success "linear prune l2 ^root" 'git-rev-list --merge-order --show-breaks l2 ^root' <<EOF |
|
= l2 |
|
| l1 |
|
| l0 |
|
EOF |
|
|
|
test_output_expect_success "linear prune l2 ^l0" 'git-rev-list --merge-order --show-breaks l2 ^l0' <<EOF |
|
= l2 |
|
| l1 |
|
EOF |
|
|
|
test_output_expect_success "linear prune l2 ^l1" 'git-rev-list --merge-order --show-breaks l2 ^l1' <<EOF |
|
= l2 |
|
EOF |
|
|
|
test_output_expect_success "linear prune l5 ^a4" 'git-rev-list --merge-order --show-breaks l5 ^a4' <<EOF |
|
= l5 |
|
| l4 |
|
| l3 |
|
EOF |
|
|
|
test_output_expect_success "linear prune l5 ^l3" 'git-rev-list --merge-order --show-breaks l5 ^l3' <<EOF |
|
= l5 |
|
| l4 |
|
EOF |
|
|
|
test_output_expect_success "linear prune l5 ^l4" 'git-rev-list --merge-order --show-breaks l5 ^l4' <<EOF |
|
= l5 |
|
EOF |
|
|
|
test_output_expect_success "max-count 10 - merge order" 'git-rev-list --merge-order --show-breaks --max-count=10 l5' <<EOF |
|
= l5 |
|
| l4 |
|
| l3 |
|
= a4 |
|
| c3 |
|
| c2 |
|
| c1 |
|
^ b4 |
|
| b3 |
|
| b2 |
|
EOF |
|
|
|
test_output_expect_success "max-count 10 - non merge order" 'git-rev-list --max-count=10 l5 | sort' <<EOF |
|
a4 |
|
b2 |
|
b3 |
|
b4 |
|
c1 |
|
c2 |
|
c3 |
|
l3 |
|
l4 |
|
l5 |
|
EOF |
|
|
|
test_output_expect_success '--max-age=c3, no --merge-order' "git-rev-list --max-age=$(commit_date c3) l5" <<EOF |
|
l5 |
|
l4 |
|
l3 |
|
a4 |
|
b4 |
|
a3 |
|
a2 |
|
c3 |
|
EOF |
|
|
|
test_output_expect_success '--max-age=c3, --merge-order' "git-rev-list --merge-order --max-age=$(commit_date c3) l5" <<EOF |
|
l5 |
|
l4 |
|
l3 |
|
a4 |
|
c3 |
|
b4 |
|
a3 |
|
a2 |
|
EOF |
|
|
|
test_output_expect_success 'one specified head reachable from another a4, c3, --merge-order' "list_duplicates git-rev-list --merge-order a4 c3" <<EOF |
|
EOF |
|
|
|
test_output_expect_success 'one specified head reachable from another c3, a4, --merge-order' "list_duplicates git-rev-list --merge-order c3 a4" <<EOF |
|
EOF |
|
|
|
test_output_expect_success 'one specified head reachable from another a4, c3, no --merge-order' "list_duplicates git-rev-list a4 c3" <<EOF |
|
EOF |
|
|
|
test_output_expect_success 'one specified head reachable from another c3, a4, no --merge-order' "list_duplicates git-rev-list c3 a4" <<EOF |
|
EOF |
|
|
|
test_output_expect_success 'graph with c3 and a4 parents of head' "list_duplicates git-rev-list m1" <<EOF |
|
EOF |
|
|
|
test_output_expect_success 'graph with a4 and c3 parents of head' "list_duplicates git-rev-list m2" <<EOF |
|
EOF |
|
|
|
test_expect_success "head ^head --merge-order" 'git-rev-list --merge-order --show-breaks a3 ^a3' <<EOF |
|
EOF |
|
|
|
# |
|
# can't test this now - duplicate parents can't be created |
|
# |
|
#test_output_expect_success 'duplicate parents' 'git-rev-list --parents --merge-order --show-breaks m3' <<EOF |
|
#= m3 c3 a4 c3 |
|
#| a4 c3 b4 a3 |
|
#| b4 a3 b3 |
|
#| b3 b2 |
|
#^ a3 a2 |
|
#| a2 a1 |
|
#| a1 a0 |
|
#^ c3 c2 |
|
#| c2 b2 c1 |
|
#| b2 b1 |
|
#^ c1 b1 |
|
#| b1 a0 |
|
#= a0 l2 |
|
#| l2 l1 |
|
#| l1 l0 |
|
#| l0 root |
|
#= root |
|
#EOF |
|
|
|
test_expect_success "head ^head no --merge-order" 'git-rev-list a3 ^a3' <<EOF |
|
EOF |
|
# |
|
# |
|
|
|
test_done
|
|
|