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 $_test"
-}
-
-# --- end of stuff to move ---
+. ../t6000lib.sh # t6xxx specific functions
# test-case specific test function
check_adjacency()
on_committer_date "1971-08-16 00:00:18" save_tag l5 unique_commit l5 tree -p l4
on_committer_date "1971-08-16 00:00:19" save_tag m1 unique_commit m1 tree -p a4 -p c3
on_committer_date "1971-08-16 00:00:20" save_tag m2 unique_commit m2 tree -p c3 -p a4
+on_committer_date "1971-08-16 00:00:21" hide_error save_tag alt_root unique_commit alt_root tree
+on_committer_date "1971-08-16 00:00:22" save_tag r0 unique_commit r0 tree -p alt_root
+on_committer_date "1971-08-16 00:00:23" save_tag r1 unique_commit r1 tree -p r0
+on_committer_date "1971-08-16 00:00:24" save_tag l5r1 unique_commit l5r1 tree -p l5 -p r1
+on_committer_date "1971-08-16 00:00:25" save_tag r1l5 unique_commit r1l5 tree -p r1 -p l5
+
+
#
# note: as of 20/6, it isn't possible to create duplicate parents, so this
# can't be tested.
tag l5 > .git/HEAD
-#
-# cd to t/trash and use
-#
-# git-rev-list ... 2>&1 | sed "$(cat sed.script)"
-#
-# if you ever want to manually debug the operation of git-rev-list
-#
-echo $sed_script > sed.script
-
test_expect_success 'rev-list has correct number of entries' 'git-rev-list HEAD | wc -l | tr -s " "' <<EOF
19
EOF
EOF
test_output_expect_success "linear prune l2 ^root" 'git-rev-list --merge-order --show-breaks l2 ^root' <<EOF
-= l2
+^ l2
| l1
| l0
EOF
test_output_expect_success "linear prune l2 ^l0" 'git-rev-list --merge-order --show-breaks l2 ^l0' <<EOF
-= l2
+^ l2
| l1
EOF
test_output_expect_success "linear prune l2 ^l1" 'git-rev-list --merge-order --show-breaks l2 ^l1' <<EOF
-= l2
+^ l2
EOF
test_output_expect_success "linear prune l5 ^a4" 'git-rev-list --merge-order --show-breaks l5 ^a4' <<EOF
-= l5
+^ l5
| l4
| l3
EOF
test_output_expect_success "linear prune l5 ^l3" 'git-rev-list --merge-order --show-breaks l5 ^l3' <<EOF
-= l5
+^ l5
| l4
EOF
test_output_expect_success "linear prune l5 ^l4" 'git-rev-list --merge-order --show-breaks l5 ^l4' <<EOF
-= l5
+^ l5
EOF
test_output_expect_success "max-count 10 - merge order" 'git-rev-list --merge-order --show-breaks --max-count=10 l5' <<EOF
| b2
EOF
-test_output_expect_success "max-count 10 - non merge order" 'git-rev-list --max-count=10 l5 | sort' <<EOF
+test_output_expect_success "max-count 10 - non merge order" 'git-rev-list --max-count=10 l5' <<EOF
+l5
+l4
+l3
a4
-b2
-b3
b4
-c1
-c2
+a3
+a2
c3
-l3
-l4
-l5
+c2
+b3
EOF
test_output_expect_success '--max-age=c3, no --merge-order' "git-rev-list --max-age=$(commit_date c3) l5" <<EOF
test_expect_success "head ^head no --merge-order" 'git-rev-list a3 ^a3' <<EOF
EOF
+
+test_output_expect_success 'simple merge order (l5r1)' 'git-rev-list --merge-order --show-breaks l5r1' <<EOF
+= l5r1
+| r1
+| r0
+| alt_root
+^ l5
+| l4
+| l3
+| a4
+| c3
+| c2
+| c1
+^ b4
+| b3
+| b2
+| b1
+^ a3
+| a2
+| a1
+| a0
+| l2
+| l1
+| l0
+= root
+EOF
+
+test_output_expect_success 'simple merge order (r1l5)' 'git-rev-list --merge-order --show-breaks r1l5' <<EOF
+= r1l5
+| l5
+| l4
+| l3
+| a4
+| c3
+| c2
+| c1
+^ b4
+| b3
+| b2
+| b1
+^ a3
+| a2
+| a1
+| a0
+| l2
+| l1
+| l0
+| root
+^ r1
+| r0
+= alt_root
+EOF
+
+test_output_expect_success "don't print things unreachable from one branch" "git-rev-list a3 ^b3 --merge-order" <<EOF
+a3
+a2
+a1
+EOF
+
+test_output_expect_success "--merge-order a4 l3" "git-rev-list --merge-order a4 l3" <<EOF
+l3
+a4
+c3
+c2
+c1
+b4
+b3
+b2
+b1
+a3
+a2
+a1
+a0
+l2
+l1
+l0
+root
+EOF
+
#
#