tvl-depot/t/t3414-rebase-preserve-onto.sh
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#!/bin/sh
#
# Copyright (c) 2009 Greg Price
#
test_description='git rebase -p should respect --onto
In a rebase with --onto, we should rewrite all the commits that
aren'"'"'t on top of $ONTO, even if they are on top of $UPSTREAM.
'
. ./test-lib.sh
if ! test_have_prereq REBASE_P; then
skip_all='skipping git rebase -p tests, as asked for'
test_done
fi
. "$TEST_DIRECTORY"/lib-rebase.sh
# Set up branches like this:
# A1---B1---E1---F1---G1
# \ \ /
# \ \--C1---D1--/
# H1
test_expect_success 'setup' '
test_commit A1 &&
test_commit B1 &&
test_commit C1 &&
test_commit D1 &&
git reset --hard B1 &&
test_commit E1 &&
test_commit F1 &&
test_merge G1 D1 &&
git reset --hard A1 &&
test_commit H1
'
# Now rebase merge G1 from both branches' base B1, both should move:
# A1---B1---E1---F1---G1
# \ \ /
# \ \--C1---D1--/
# \
# H1---E2---F2---G2
# \ /
# \--C2---D2--/
test_expect_success 'rebase from B1 onto H1' '
git checkout G1 &&
git rebase -p --onto H1 B1 &&
test "$(git rev-parse HEAD^1^1^1)" = "$(git rev-parse H1)" &&
test "$(git rev-parse HEAD^2^1^1)" = "$(git rev-parse H1)"
'
# On the other hand if rebase from E1 which is within one branch,
# then the other branch stays:
# A1---B1---E1---F1---G1
# \ \ /
# \ \--C1---D1--/
# \ \
# H1-----F3-----G3
test_expect_success 'rebase from E1 onto H1' '
git checkout G1 &&
git rebase -p --onto H1 E1 &&
test "$(git rev-parse HEAD^1^1)" = "$(git rev-parse H1)" &&
test "$(git rev-parse HEAD^2)" = "$(git rev-parse D1)"
'
# And the same if we rebase from a commit in the second-parent branch.
# A1---B1---E1---F1----G1
# \ \ \ /
# \ \--C1---D1-\-/
# \ \
# H1------D3------G4
test_expect_success 'rebase from C1 onto H1' '
git checkout G1 &&
git rev-list --first-parent --pretty=oneline C1..G1 &&
git rebase -p --onto H1 C1 &&
test "$(git rev-parse HEAD^2^1)" = "$(git rev-parse H1)" &&
test "$(git rev-parse HEAD^1)" = "$(git rev-parse F1)"
'
test_done