447 lines
7.6 KiB
Bash
Executable File
447 lines
7.6 KiB
Bash
Executable File
#!/bin/sh
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#
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# Copyright (c) 2007 Lars Hjemli
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#
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test_description='git-merge
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Testing basic merge operations/option parsing.'
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. ./test-lib.sh
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cat >file <<EOF
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EOF
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cat >file.1 <<EOF
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1 X
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EOF
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cat >file.5 <<EOF
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5 X
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EOF
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cat >file.9 <<EOF
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9 X
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EOF
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cat >result.1 <<EOF
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EOF
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cat >result.1-5 <<EOF
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1 X
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5 X
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EOF
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cat >result.1-5-9 <<EOF
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5 X
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9 X
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EOF
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create_merge_msgs() {
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echo "Merge commit 'c2'" >msg.1-5 &&
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echo "Merge commit 'c2'; commit 'c3'" >msg.1-5-9 &&
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echo "Squashed commit of the following:" >squash.1 &&
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echo >>squash.1 &&
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git log --no-merges ^HEAD c1 >>squash.1 &&
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echo "Squashed commit of the following:" >squash.1-5 &&
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echo >>squash.1-5 &&
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git log --no-merges ^HEAD c2 >>squash.1-5 &&
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echo "Squashed commit of the following:" >squash.1-5-9 &&
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echo >>squash.1-5-9 &&
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git log --no-merges ^HEAD c2 c3 >>squash.1-5-9
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}
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verify_diff() {
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if ! diff -u "$1" "$2"
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then
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echo "$3"
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false
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fi
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}
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verify_merge() {
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verify_diff "$2" "$1" "[OOPS] bad merge result" &&
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if test $(git ls-files -u | wc -l) -gt 0
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then
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echo "[OOPS] unmerged files"
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false
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fi &&
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if ! git diff --exit-code
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then
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echo "[OOPS] working tree != index"
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false
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fi &&
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if test -n "$3"
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then
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git show -s --pretty=format:%s HEAD >msg.act &&
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verify_diff "$3" msg.act "[OOPS] bad merge message"
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fi
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}
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verify_head() {
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if test "$1" != "$(git rev-parse HEAD)"
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then
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echo "[OOPS] HEAD != $1"
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false
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fi
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}
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verify_parents() {
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i=1
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while test $# -gt 0
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do
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if test "$1" != "$(git rev-parse HEAD^$i)"
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then
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echo "[OOPS] HEAD^$i != $1"
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return 1
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fi
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i=$(expr $i + 1)
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shift
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done
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}
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verify_mergeheads() {
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i=1
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if ! test -f .git/MERGE_HEAD
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then
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echo "[OOPS] MERGE_HEAD is missing"
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false
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fi &&
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while test $# -gt 0
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do
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head=$(head -n $i .git/MERGE_HEAD | tail -n 1)
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if test "$1" != "$head"
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then
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echo "[OOPS] MERGE_HEAD $i != $1"
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return 1
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fi
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i=$(expr $i + 1)
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shift
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done
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}
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verify_no_mergehead() {
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if test -f .git/MERGE_HEAD
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then
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echo "[OOPS] MERGE_HEAD exists"
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false
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fi
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}
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test_expect_success 'setup' '
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git add file &&
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test_tick &&
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git commit -m "commit 0" &&
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git tag c0 &&
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c0=$(git rev-parse HEAD) &&
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cp file.1 file &&
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git add file &&
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test_tick &&
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git commit -m "commit 1" &&
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git tag c1 &&
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c1=$(git rev-parse HEAD) &&
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git reset --hard "$c0" &&
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cp file.5 file &&
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git add file &&
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test_tick &&
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git commit -m "commit 2" &&
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git tag c2 &&
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c2=$(git rev-parse HEAD) &&
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git reset --hard "$c0" &&
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cp file.9 file &&
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git add file &&
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test_tick &&
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git commit -m "commit 3" &&
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git tag c3 &&
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c3=$(git rev-parse HEAD)
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git reset --hard "$c0" &&
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create_merge_msgs
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'
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test_debug 'gitk --all'
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test_expect_success 'test option parsing' '
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if git merge -$ c1
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then
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echo "[OOPS] -$ accepted"
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false
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fi &&
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if git merge --no-such c1
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then
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echo "[OOPS] --no-such accepted"
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false
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fi &&
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if git merge -s foobar c1
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then
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echo "[OOPS] -s foobar accepted"
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false
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fi &&
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if git merge -s=foobar c1
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then
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echo "[OOPS] -s=foobar accepted"
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false
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fi &&
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if git merge -m
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then
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echo "[OOPS] missing commit msg accepted"
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false
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fi &&
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if git merge
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then
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echo "[OOPS] missing commit references accepted"
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false
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fi
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'
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test_expect_success 'merge c0 with c1' '
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git reset --hard c0 &&
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git merge c1 &&
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verify_merge file result.1 &&
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verify_head "$c1"
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'
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test_debug 'gitk --all'
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test_expect_success 'merge c1 with c2' '
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git reset --hard c1 &&
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test_tick &&
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git merge c2 &&
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verify_merge file result.1-5 msg.1-5 &&
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verify_parents $c1 $c2
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'
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test_debug 'gitk --all'
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test_expect_success 'merge c1 with c2 and c3' '
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git reset --hard c1 &&
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test_tick &&
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git merge c2 c3 &&
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verify_merge file result.1-5-9 msg.1-5-9 &&
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verify_parents $c1 $c2 $c3
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'
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test_debug 'gitk --all'
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test_expect_success 'merge c0 with c1 (no-commit)' '
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git reset --hard c0 &&
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git merge --no-commit c1 &&
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verify_merge file result.1 &&
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verify_head $c1
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'
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test_debug 'gitk --all'
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test_expect_success 'merge c1 with c2 (no-commit)' '
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git reset --hard c1 &&
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git merge --no-commit c2 &&
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verify_merge file result.1-5 &&
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verify_head $c1 &&
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verify_mergeheads $c2
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'
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test_debug 'gitk --all'
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test_expect_success 'merge c1 with c2 and c3 (no-commit)' '
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git reset --hard c1 &&
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git merge --no-commit c2 c3 &&
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verify_merge file result.1-5-9 &&
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verify_head $c1 &&
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verify_mergeheads $c2 $c3
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'
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test_debug 'gitk --all'
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test_expect_success 'merge c0 with c1 (squash)' '
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git reset --hard c0 &&
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git merge --squash c1 &&
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verify_merge file result.1 &&
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verify_head $c0 &&
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verify_no_mergehead &&
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verify_diff squash.1 .git/SQUASH_MSG "[OOPS] bad squash message"
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'
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test_debug 'gitk --all'
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test_expect_success 'merge c1 with c2 (squash)' '
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git reset --hard c1 &&
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git merge --squash c2 &&
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verify_merge file result.1-5 &&
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verify_head $c1 &&
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verify_no_mergehead &&
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verify_diff squash.1-5 .git/SQUASH_MSG "[OOPS] bad squash message"
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'
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test_debug 'gitk --all'
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test_expect_success 'merge c1 with c2 and c3 (squash)' '
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git reset --hard c1 &&
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git merge --squash c2 c3 &&
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verify_merge file result.1-5-9 &&
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verify_head $c1 &&
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verify_no_mergehead &&
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verify_diff squash.1-5-9 .git/SQUASH_MSG "[OOPS] bad squash message"
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'
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test_debug 'gitk --all'
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test_expect_success 'merge c1 with c2 (no-commit in config)' '
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git reset --hard c1 &&
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git config branch.master.mergeoptions "--no-commit" &&
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git merge c2 &&
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verify_merge file result.1-5 &&
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verify_head $c1 &&
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verify_mergeheads $c2
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'
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test_debug 'gitk --all'
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test_expect_success 'merge c1 with c2 (squash in config)' '
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git reset --hard c1 &&
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git config branch.master.mergeoptions "--squash" &&
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git merge c2 &&
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verify_merge file result.1-5 &&
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verify_head $c1 &&
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verify_no_mergehead &&
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verify_diff squash.1-5 .git/SQUASH_MSG "[OOPS] bad squash message"
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'
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test_debug 'gitk --all'
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test_expect_success 'override config option -n' '
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git reset --hard c1 &&
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git config branch.master.mergeoptions "-n" &&
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test_tick &&
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git merge --summary c2 >diffstat.txt &&
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verify_merge file result.1-5 msg.1-5 &&
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verify_parents $c1 $c2 &&
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if ! grep -e "^ file | *2 +-$" diffstat.txt
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then
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echo "[OOPS] diffstat was not generated"
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fi
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'
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test_debug 'gitk --all'
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test_expect_success 'override config option --summary' '
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git reset --hard c1 &&
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git config branch.master.mergeoptions "--summary" &&
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test_tick &&
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git merge -n c2 >diffstat.txt &&
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verify_merge file result.1-5 msg.1-5 &&
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verify_parents $c1 $c2 &&
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if grep -e "^ file | *2 +-$" diffstat.txt
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then
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echo "[OOPS] diffstat was generated"
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false
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fi
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'
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test_debug 'gitk --all'
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test_expect_success 'merge c1 with c2 (override --no-commit)' '
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git reset --hard c1 &&
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git config branch.master.mergeoptions "--no-commit" &&
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test_tick &&
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git merge --commit c2 &&
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verify_merge file result.1-5 msg.1-5 &&
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verify_parents $c1 $c2
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'
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test_debug 'gitk --all'
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test_expect_success 'merge c1 with c2 (override --squash)' '
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git reset --hard c1 &&
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git config branch.master.mergeoptions "--squash" &&
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test_tick &&
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git merge --no-squash c2 &&
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verify_merge file result.1-5 msg.1-5 &&
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verify_parents $c1 $c2
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'
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test_debug 'gitk --all'
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test_expect_success 'merge c0 with c1 (no-ff)' '
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git reset --hard c0 &&
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git config branch.master.mergeoptions "" &&
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test_tick &&
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git merge --no-ff c1 &&
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verify_merge file result.1 &&
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verify_parents $c0 $c1
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'
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test_debug 'gitk --all'
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test_expect_success 'combining --squash and --no-ff is refused' '
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test_must_fail git merge --squash --no-ff c1 &&
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test_must_fail git merge --no-ff --squash c1
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'
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test_expect_success 'merge c0 with c1 (ff overrides no-ff)' '
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git reset --hard c0 &&
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git config branch.master.mergeoptions "--no-ff" &&
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git merge --ff c1 &&
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verify_merge file result.1 &&
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verify_head $c1
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'
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test_debug 'gitk --all'
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test_done
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