merge(third_party/git): Merge squashed git subtree at v2.23.0 r/373

Merge commit '1b593e1ea4d2af0f6444d9a7788d5d99abd6fde5' as 'third_party/git'

1 files changed, 447 insertions, 0 deletions

diff --git a/third_party/git/t/t6003-rev-list-topo-order.sh b/third_party/git/t/t6003-rev-list-topo-order.sh
new file mode 100755
index 000000000000..24d1836f417d
--- /dev/null
+++ b/third_party/git/t/t6003-rev-list-topo-order.sh
@@ -0,0 +1,447 @@
+#!/bin/sh
+#
+# Copyright (c) 2005 Jon Seymour
+#
+
+test_description='Tests git rev-list --topo-order functionality'
+
+. ./test-lib.sh
+. "$TEST_DIRECTORY"/lib-t6000.sh # t6xxx specific functions
+
+list_duplicates()
+{
+    "$@" | sort | uniq -d
+}
+
+date >path0
+git update-index --add path0
+save_tag tree git write-tree
+on_dates "00:00" "00:00" hide_error save_tag root unique_commit root tree
+on_dates "00:01" "00:01" save_tag l0 unique_commit l0 tree -p root
+on_dates "00:02" "00:02" save_tag l1 unique_commit l1 tree -p l0
+on_dates "00:03" "00:03" save_tag l2 unique_commit l2 tree -p l1
+on_dates "00:04" "00:04" save_tag a0 unique_commit a0 tree -p l2
+on_dates "00:05" "00:05" save_tag a1 unique_commit a1 tree -p a0
+on_dates "00:06" "00:06" save_tag b1 unique_commit b1 tree -p a0
+on_dates "00:07" "00:07" save_tag c1 unique_commit c1 tree -p b1
+on_dates "00:08" "00:08" as_author foobar@example.com save_tag b2 unique_commit b2 tree -p b1
+on_dates "00:09" "00:09" save_tag b3 unique_commit b3 tree -p b2
+on_dates "00:10" "00:10" save_tag c2 unique_commit c2 tree -p c1 -p b2
+on_dates "00:11" "00:11" save_tag c3 unique_commit c3 tree -p c2
+on_dates "00:12" "00:00" save_tag a2 unique_commit a2 tree -p a1
+on_dates "00:13" "00:01" save_tag a3 unique_commit a3 tree -p a2
+on_dates "00:14" "00:14" save_tag b4 unique_commit b4 tree -p b3 -p a3
+on_dates "00:15" "00:15" save_tag a4 unique_commit a4 tree -p a3 -p b4 -p c3
+on_dates "00:16" "00:16" save_tag l3 unique_commit l3 tree -p a4
+on_dates "00:17" "00:17" save_tag l4 unique_commit l4 tree -p l3
+on_dates "00:18" "00:18" save_tag l5 unique_commit l5 tree -p l4
+on_dates "00:19" "00:19" save_tag m1 unique_commit m1 tree -p a4 -p c3
+on_dates "00:20" "00:20" save_tag m2 unique_commit m2 tree -p c3 -p a4
+on_dates "00:21" "00:21" hide_error save_tag alt_root unique_commit alt_root tree
+on_dates "00:22" "00:22" save_tag r0 unique_commit r0 tree -p alt_root
+on_dates "00:23" "00:23" save_tag r1 unique_commit r1 tree -p r0
+on_dates "00:24" "00:24" save_tag l5r1 unique_commit l5r1 tree -p l5 -p r1
+on_dates "00:25" "00:25" save_tag r1l5 unique_commit r1l5 tree -p r1 -p l5
+
+
+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
+
+git update-ref HEAD $(tag l5)
+
+test_output_expect_success 'rev-list has correct number of entries' 'git rev-list HEAD | wc -l | tr -d \" \"' <<EOF
+19
+EOF
+
+test_output_expect_success 'simple topo order' 'git rev-list --topo-order  HEAD' <<EOF
+l5
+l4
+l3
+a4
+c3
+c2
+c1
+b4
+a3
+a2
+a1
+b3
+b2
+b1
+a0
+l2
+l1
+l0
+root
+EOF
+
+test_output_expect_success 'simple date order' 'git rev-list --date-order  HEAD' <<EOF
+l5
+l4
+l3
+a4
+b4
+a3
+a2
+c3
+c2
+b3
+b2
+c1
+b1
+a1
+a0
+l2
+l1
+l0
+root
+EOF
+
+test_output_expect_success 'simple author-date order' 'git rev-list --author-date-order  HEAD' <<EOF
+l5
+l4
+l3
+a4
+b4
+c3
+c2
+b3
+b2
+c1
+b1
+a3
+a2
+a1
+a0
+l2
+l1
+l0
+root
+EOF
+
+test_output_expect_success 'two diamonds topo order (g6)' 'git rev-list --topo-order  g4' <<EOF
+g4
+h2
+g3
+g2
+h1
+g1
+g0
+EOF
+
+test_output_expect_success 'multiple heads' 'git rev-list --topo-order a3 b3 c3' <<EOF
+a3
+a2
+a1
+c3
+c2
+c1
+b3
+b2
+b1
+a0
+l2
+l1
+l0
+root
+EOF
+
+test_output_expect_success 'multiple heads, prune at a1' 'git rev-list --topo-order a3 b3 c3 ^a1' <<EOF
+a3
+a2
+c3
+c2
+c1
+b3
+b2
+b1
+EOF
+
+test_output_expect_success 'multiple heads, prune at l1' 'git rev-list --topo-order a3 b3 c3 ^l1' <<EOF
+a3
+a2
+a1
+c3
+c2
+c1
+b3
+b2
+b1
+a0
+l2
+EOF
+
+test_output_expect_success 'cross-epoch, head at l5, prune at l1' 'git rev-list --topo-order l5 ^l1' <<EOF
+l5
+l4
+l3
+a4
+c3
+c2
+c1
+b4
+a3
+a2
+a1
+b3
+b2
+b1
+a0
+l2
+EOF
+
+test_output_expect_success 'duplicated head arguments' 'git rev-list --topo-order l5 l5 ^l1' <<EOF
+l5
+l4
+l3
+a4
+c3
+c2
+c1
+b4
+a3
+a2
+a1
+b3
+b2
+b1
+a0
+l2
+EOF
+
+test_output_expect_success 'prune near topo' 'git rev-list --topo-order a4 ^c3' <<EOF
+a4
+b4
+a3
+a2
+a1
+b3
+EOF
+
+test_output_expect_success "head has no parent" 'git rev-list --topo-order  root' <<EOF
+root
+EOF
+
+test_output_expect_success "two nodes - one head, one base" 'git rev-list --topo-order  l0' <<EOF
+l0
+root
+EOF
+
+test_output_expect_success "three nodes one head, one internal, one base" 'git rev-list --topo-order  l1' <<EOF
+l1
+l0
+root
+EOF
+
+test_output_expect_success "linear prune l2 ^root" 'git rev-list --topo-order  l2 ^root' <<EOF
+l2
+l1
+l0
+EOF
+
+test_output_expect_success "linear prune l2 ^l0" 'git rev-list --topo-order  l2 ^l0' <<EOF
+l2
+l1
+EOF
+
+test_output_expect_success "linear prune l2 ^l1" 'git rev-list --topo-order  l2 ^l1' <<EOF
+l2
+EOF
+
+test_output_expect_success "linear prune l5 ^a4" 'git rev-list --topo-order  l5 ^a4' <<EOF
+l5
+l4
+l3
+EOF
+
+test_output_expect_success "linear prune l5 ^l3" 'git rev-list --topo-order  l5 ^l3' <<EOF
+l5
+l4
+EOF
+
+test_output_expect_success "linear prune l5 ^l4" 'git rev-list --topo-order  l5 ^l4' <<EOF
+l5
+EOF
+
+test_output_expect_success "max-count 10 - topo order" 'git rev-list --topo-order  --max-count=10 l5' <<EOF
+l5
+l4
+l3
+a4
+c3
+c2
+c1
+b4
+a3
+a2
+EOF
+
+test_output_expect_success "max-count 10 - non topo order" 'git rev-list --max-count=10 l5' <<EOF
+l5
+l4
+l3
+a4
+b4
+a3
+a2
+c3
+c2
+b3
+EOF
+
+test_output_expect_success '--max-age=c3, no --topo-order' "git rev-list --max-age=$(commit_date c3) l5" <<EOF
+l5
+l4
+l3
+a4
+b4
+a3
+a2
+c3
+EOF
+
+#
+# this test fails on --topo-order - a fix is required
+#
+#test_output_expect_success '--max-age=c3, --topo-order' "git rev-list --topo-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, --topo-order' "list_duplicates git rev-list --topo-order a4 c3" <<EOF
+EOF
+
+test_output_expect_success 'one specified head reachable from another c3, a4, --topo-order' "list_duplicates git rev-list --topo-order c3 a4" <<EOF
+EOF
+
+test_output_expect_success 'one specified head reachable from another a4, c3, no --topo-order' "list_duplicates git rev-list a4 c3" <<EOF
+EOF
+
+test_output_expect_success 'one specified head reachable from another c3, a4, no --topo-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 --topo-order" 'git rev-list --topo-order  a3 ^a3' <<EOF
+EOF
+
+test_expect_success "head ^head no --topo-order" 'git rev-list a3 ^a3' <<EOF
+EOF
+
+test_output_expect_success 'simple topo order (l5r1)' 'git rev-list --topo-order  l5r1' <<EOF
+l5r1
+r1
+r0
+alt_root
+l5
+l4
+l3
+a4
+c3
+c2
+c1
+b4
+a3
+a2
+a1
+b3
+b2
+b1
+a0
+l2
+l1
+l0
+root
+EOF
+
+test_output_expect_success 'simple topo order (r1l5)' 'git rev-list --topo-order  r1l5' <<EOF
+r1l5
+l5
+l4
+l3
+a4
+c3
+c2
+c1
+b4
+a3
+a2
+a1
+b3
+b2
+b1
+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 --topo-order" <<EOF
+a3
+a2
+a1
+EOF
+
+test_output_expect_success "--topo-order a4 l3" "git rev-list --topo-order a4 l3" <<EOF
+l3
+a4
+c3
+c2
+c1
+b4
+a3
+a2
+a1
+b3
+b2
+b1
+a0
+l2
+l1
+l0
+root
+EOF
+
+#
+#
+
+test_done