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-rwxr-xr-xt/t7600-merge.sh627
1 files changed, 395 insertions, 232 deletions
diff --git a/t/t7600-merge.sh b/t/t7600-merge.sh
index cde8390c1b..85248a14b6 100755
--- a/t/t7600-merge.sh
+++ b/t/t7600-merge.sh
@@ -5,190 +5,111 @@
test_description='git merge
-Testing basic merge operations/option parsing.'
+Testing basic merge operations/option parsing.
+
+! [c0] commit 0
+ ! [c1] commit 1
+ ! [c2] commit 2
+ ! [c3] commit 3
+ ! [c4] c4
+ ! [c5] c5
+ ! [c6] c6
+ * [master] Merge commit 'c1'
+--------
+ - [master] Merge commit 'c1'
+ + * [c1] commit 1
+ + [c6] c6
+ + [c5] c5
+ ++ [c4] c4
+ ++++ [c3] commit 3
+ + [c2] commit 2
++++++++* [c0] commit 0
+'
. ./test-lib.sh
-
-cat >file <<EOF
-1
-2
-3
-4
-5
-6
-7
-8
-9
-EOF
-
-cat >file.1 <<EOF
-1 X
-2
-3
-4
-5
-6
-7
-8
-9
-EOF
-
-cat >file.5 <<EOF
-1
-2
-3
-4
-5 X
-6
-7
-8
-9
-EOF
-
-cat >file.9 <<EOF
-1
-2
-3
-4
-5
-6
-7
-8
-9 X
-EOF
-
-cat >result.1 <<EOF
-1 X
-2
-3
-4
-5
-6
-7
-8
-9
-EOF
-
-cat >result.1-5 <<EOF
-1 X
-2
-3
-4
-5 X
-6
-7
-8
-9
-EOF
-
-cat >result.1-5-9 <<EOF
-1 X
-2
-3
-4
-5 X
-6
-7
-8
-9 X
-EOF
-
-create_merge_msgs() {
- echo "Merge commit 'c2'" >msg.1-5 &&
- echo "Merge commit 'c2'; commit 'c3'" >msg.1-5-9 &&
- echo "Squashed commit of the following:" >squash.1 &&
- echo >>squash.1 &&
- git log --no-merges ^HEAD c1 >>squash.1 &&
- echo "Squashed commit of the following:" >squash.1-5 &&
- echo >>squash.1-5 &&
- git log --no-merges ^HEAD c2 >>squash.1-5 &&
- echo "Squashed commit of the following:" >squash.1-5-9 &&
- echo >>squash.1-5-9 &&
- git log --no-merges ^HEAD c2 c3 >>squash.1-5-9 &&
- echo > msg.nolog &&
- echo "* commit 'c3':" >msg.log &&
- echo " commit 3" >>msg.log &&
- echo >>msg.log
-}
-
-verify_diff() {
- if ! test_cmp "$1" "$2"
- then
- echo "$3"
- false
- fi
+. "$TEST_DIRECTORY"/lib-gpg.sh
+
+printf '%s\n' 1 2 3 4 5 6 7 8 9 >file
+printf '%s\n' '1 X' 2 3 4 5 6 7 8 9 >file.1
+printf '%s\n' 1 2 3 4 '5 X' 6 7 8 9 >file.5
+printf '%s\n' 1 2 3 4 5 6 7 8 '9 X' >file.9
+printf '%s\n' 1 2 3 4 5 6 7 8 '9 Y' >file.9y
+printf '%s\n' '1 X' 2 3 4 5 6 7 8 9 >result.1
+printf '%s\n' '1 X' 2 3 4 '5 X' 6 7 8 9 >result.1-5
+printf '%s\n' '1 X' 2 3 4 '5 X' 6 7 8 '9 X' >result.1-5-9
+printf '%s\n' 1 2 3 4 5 6 7 8 '9 Z' >result.9z
+>empty
+
+create_merge_msgs () {
+ echo "Merge tag 'c2'" >msg.1-5 &&
+ echo "Merge tags 'c2' and 'c3'" >msg.1-5-9 &&
+ {
+ echo "Squashed commit of the following:" &&
+ echo &&
+ git log --no-merges ^HEAD c1
+ } >squash.1 &&
+ {
+ echo "Squashed commit of the following:" &&
+ echo &&
+ git log --no-merges ^HEAD c2
+ } >squash.1-5 &&
+ {
+ echo "Squashed commit of the following:" &&
+ echo &&
+ git log --no-merges ^HEAD c2 c3
+ } >squash.1-5-9 &&
+ : >msg.nologff &&
+ : >msg.nolognoff &&
+ {
+ echo "* tag 'c3':" &&
+ echo " commit 3"
+ } >msg.log
}
-verify_merge() {
- verify_diff "$2" "$1" "[OOPS] bad merge result" &&
- if test $(git ls-files -u | wc -l) -gt 0
- then
- echo "[OOPS] unmerged files"
- false
- fi &&
- if test_must_fail git diff --exit-code
- then
- echo "[OOPS] working tree != index"
- false
- fi &&
+verify_merge () {
+ test_cmp "$2" "$1" &&
+ git update-index --refresh &&
+ git diff --exit-code &&
if test -n "$3"
then
- git show -s --pretty=format:%s HEAD >msg.act &&
- verify_diff "$3" msg.act "[OOPS] bad merge message"
+ git show -s --pretty=tformat:%s HEAD >msg.act &&
+ test_cmp "$3" msg.act
fi
}
-verify_head() {
- if test "$1" != "$(git rev-parse HEAD)"
- then
- echo "[OOPS] HEAD != $1"
- false
- fi
+verify_head () {
+ echo "$1" >head.expected &&
+ git rev-parse HEAD >head.actual &&
+ test_cmp head.expected head.actual
}
-verify_parents() {
- i=1
- while test $# -gt 0
+verify_parents () {
+ printf '%s\n' "$@" >parents.expected &&
+ >parents.actual &&
+ i=1 &&
+ while test $i -le $#
do
- if test "$1" != "$(git rev-parse HEAD^$i)"
- then
- echo "[OOPS] HEAD^$i != $1"
- return 1
- fi
- i=$(expr $i + 1)
- shift
- done
+ git rev-parse HEAD^$i >>parents.actual &&
+ i=$(expr $i + 1) ||
+ return 1
+ done &&
+ test_must_fail git rev-parse --verify "HEAD^$i" &&
+ test_cmp parents.expected parents.actual
}
-verify_mergeheads() {
- i=1
- if ! test -f .git/MERGE_HEAD
- then
- echo "[OOPS] MERGE_HEAD is missing"
- false
- fi &&
- while test $# -gt 0
+verify_mergeheads () {
+ printf '%s\n' "$@" >mergehead.expected &&
+ while read sha1 rest
do
- head=$(head -n $i .git/MERGE_HEAD | sed -ne \$p)
- if test "$1" != "$head"
- then
- echo "[OOPS] MERGE_HEAD $i != $1"
- return 1
- fi
- i=$(expr $i + 1)
- shift
- done
+ git rev-parse $sha1
+ done <.git/MERGE_HEAD >mergehead.actual &&
+ test_cmp mergehead.expected mergehead.actual
}
-verify_no_mergehead() {
- if test -f .git/MERGE_HEAD
- then
- echo "[OOPS] MERGE_HEAD exists"
- false
- fi
+verify_no_mergehead () {
+ ! test -e .git/MERGE_HEAD
}
-
test_expect_success 'setup' '
git add file &&
test_tick &&
@@ -209,17 +130,23 @@ test_expect_success 'setup' '
git tag c2 &&
c2=$(git rev-parse HEAD) &&
git reset --hard "$c0" &&
+ cp file.9y file &&
+ git add file &&
+ test_tick &&
+ git commit -m "commit 7" &&
+ git tag c7 &&
+ git reset --hard "$c0" &&
cp file.9 file &&
git add file &&
test_tick &&
git commit -m "commit 3" &&
git tag c3 &&
- c3=$(git rev-parse HEAD)
+ c3=$(git rev-parse HEAD) &&
git reset --hard "$c0" &&
create_merge_msgs
'
-test_debug 'gitk --all'
+test_debug 'git log --graph --decorate --oneline --all'
test_expect_success 'test option parsing' '
test_must_fail git merge -$ c1 &&
@@ -230,18 +157,35 @@ test_expect_success 'test option parsing' '
test_must_fail git merge
'
+test_expect_success 'merge -h with invalid index' '
+ mkdir broken &&
+ (
+ cd broken &&
+ git init &&
+ >.git/index &&
+ test_expect_code 129 git merge -h 2>usage
+ ) &&
+ test_i18ngrep "[Uu]sage: git merge" broken/usage
+'
+
test_expect_success 'reject non-strategy with a git-merge-foo name' '
test_must_fail git merge -s index c1
'
test_expect_success 'merge c0 with c1' '
+ echo "OBJID HEAD@{0}: merge c1: Fast-forward" >reflog.expected &&
+
git reset --hard c0 &&
git merge c1 &&
verify_merge file result.1 &&
- verify_head "$c1"
+ verify_head "$c1" &&
+
+ git reflog -1 >reflog.actual &&
+ sed "s/$_x05[0-9a-f]*/OBJID/g" reflog.actual >reflog.fuzzy &&
+ test_cmp reflog.expected reflog.fuzzy
'
-test_debug 'gitk --all'
+test_debug 'git log --graph --decorate --oneline --all'
test_expect_success 'merge c0 with c1 with --ff-only' '
git reset --hard c0 &&
@@ -251,7 +195,28 @@ test_expect_success 'merge c0 with c1 with --ff-only' '
verify_head "$c1"
'
-test_debug 'gitk --all'
+test_debug 'git log --graph --decorate --oneline --all'
+
+test_expect_success 'merge from unborn branch' '
+ git checkout -f master &&
+ test_might_fail git branch -D kid &&
+
+ echo "OBJID HEAD@{0}: initial pull" >reflog.expected &&
+
+ git checkout --orphan kid &&
+ test_when_finished "git checkout -f master" &&
+ git rm -fr . &&
+ test_tick &&
+ git merge --ff-only c1 &&
+ verify_merge file result.1 &&
+ verify_head "$c1" &&
+
+ git reflog -1 >reflog.actual &&
+ sed "s/$_x05[0-9a-f][0-9a-f]/OBJID/g" reflog.actual >reflog.fuzzy &&
+ test_cmp reflog.expected reflog.fuzzy
+'
+
+test_debug 'git log --graph --decorate --oneline --all'
test_expect_success 'merge c1 with c2' '
git reset --hard c1 &&
@@ -261,7 +226,27 @@ test_expect_success 'merge c1 with c2' '
verify_parents $c1 $c2
'
-test_debug 'gitk --all'
+test_expect_success 'merge --squash c3 with c7' '
+ git reset --hard c3 &&
+ test_must_fail git merge --squash c7 &&
+ cat result.9z >file &&
+ git commit --no-edit -a &&
+
+ {
+ cat <<-EOF
+ Squashed commit of the following:
+
+ $(git show -s c7)
+
+ # Conflicts:
+ # file
+ EOF
+ } >expect &&
+ git cat-file commit HEAD | sed -e '1,/^$/d' >actual &&
+ test_cmp expect actual
+'
+
+test_debug 'git log --graph --decorate --oneline --all'
test_expect_success 'merge c1 with c2 and c3' '
git reset --hard c1 &&
@@ -271,14 +256,29 @@ test_expect_success 'merge c1 with c2 and c3' '
verify_parents $c1 $c2 $c3
'
-test_debug 'gitk --all'
+test_debug 'git log --graph --decorate --oneline --all'
-test_expect_success 'failing merges with --ff-only' '
+test_expect_success 'merges with --ff-only' '
git reset --hard c1 &&
test_tick &&
test_must_fail git merge --ff-only c2 &&
test_must_fail git merge --ff-only c3 &&
- test_must_fail git merge --ff-only c2 c3
+ test_must_fail git merge --ff-only c2 c3 &&
+ git reset --hard c0 &&
+ git merge c3 &&
+ verify_head $c3
+'
+
+test_expect_success 'merges with merge.ff=only' '
+ git reset --hard c1 &&
+ test_tick &&
+ test_config merge.ff "only" &&
+ test_must_fail git merge c2 &&
+ test_must_fail git merge c3 &&
+ test_must_fail git merge c2 c3 &&
+ git reset --hard c0 &&
+ git merge c3 &&
+ verify_head $c3
'
test_expect_success 'merge c0 with c1 (no-commit)' '
@@ -288,7 +288,7 @@ test_expect_success 'merge c0 with c1 (no-commit)' '
verify_head $c1
'
-test_debug 'gitk --all'
+test_debug 'git log --graph --decorate --oneline --all'
test_expect_success 'merge c1 with c2 (no-commit)' '
git reset --hard c1 &&
@@ -298,7 +298,7 @@ test_expect_success 'merge c1 with c2 (no-commit)' '
verify_mergeheads $c2
'
-test_debug 'gitk --all'
+test_debug 'git log --graph --decorate --oneline --all'
test_expect_success 'merge c1 with c2 and c3 (no-commit)' '
git reset --hard c1 &&
@@ -308,7 +308,7 @@ test_expect_success 'merge c1 with c2 and c3 (no-commit)' '
verify_mergeheads $c2 $c3
'
-test_debug 'gitk --all'
+test_debug 'git log --graph --decorate --oneline --all'
test_expect_success 'merge c0 with c1 (squash)' '
git reset --hard c0 &&
@@ -316,10 +316,10 @@ test_expect_success 'merge c0 with c1 (squash)' '
verify_merge file result.1 &&
verify_head $c0 &&
verify_no_mergehead &&
- verify_diff squash.1 .git/SQUASH_MSG "[OOPS] bad squash message"
+ test_cmp squash.1 .git/SQUASH_MSG
'
-test_debug 'gitk --all'
+test_debug 'git log --graph --decorate --oneline --all'
test_expect_success 'merge c0 with c1 (squash, ff-only)' '
git reset --hard c0 &&
@@ -327,10 +327,10 @@ test_expect_success 'merge c0 with c1 (squash, ff-only)' '
verify_merge file result.1 &&
verify_head $c0 &&
verify_no_mergehead &&
- verify_diff squash.1 .git/SQUASH_MSG "[OOPS] bad squash message"
+ test_cmp squash.1 .git/SQUASH_MSG
'
-test_debug 'gitk --all'
+test_debug 'git log --graph --decorate --oneline --all'
test_expect_success 'merge c1 with c2 (squash)' '
git reset --hard c1 &&
@@ -338,17 +338,17 @@ test_expect_success 'merge c1 with c2 (squash)' '
verify_merge file result.1-5 &&
verify_head $c1 &&
verify_no_mergehead &&
- verify_diff squash.1-5 .git/SQUASH_MSG "[OOPS] bad squash message"
+ test_cmp squash.1-5 .git/SQUASH_MSG
'
-test_debug 'gitk --all'
+test_debug 'git log --graph --decorate --oneline --all'
-test_expect_success 'unsuccesful merge of c1 with c2 (squash, ff-only)' '
+test_expect_success 'unsuccessful merge of c1 with c2 (squash, ff-only)' '
git reset --hard c1 &&
test_must_fail git merge --squash --ff-only c2
'
-test_debug 'gitk --all'
+test_debug 'git log --graph --decorate --oneline --all'
test_expect_success 'merge c1 with c2 and c3 (squash)' '
git reset --hard c1 &&
@@ -356,37 +356,64 @@ test_expect_success 'merge c1 with c2 and c3 (squash)' '
verify_merge file result.1-5-9 &&
verify_head $c1 &&
verify_no_mergehead &&
- verify_diff squash.1-5-9 .git/SQUASH_MSG "[OOPS] bad squash message"
+ test_cmp squash.1-5-9 .git/SQUASH_MSG
'
-test_debug 'gitk --all'
+test_debug 'git log --graph --decorate --oneline --all'
test_expect_success 'merge c1 with c2 (no-commit in config)' '
git reset --hard c1 &&
- git config branch.master.mergeoptions "--no-commit" &&
+ test_config branch.master.mergeoptions "--no-commit" &&
git merge c2 &&
verify_merge file result.1-5 &&
verify_head $c1 &&
verify_mergeheads $c2
'
-test_debug 'gitk --all'
+test_debug 'git log --graph --decorate --oneline --all'
+
+test_expect_success 'merge c1 with c2 (log in config)' '
+ git reset --hard c1 &&
+ git merge --log c2 &&
+ git show -s --pretty=tformat:%s%n%b >expect &&
+
+ test_config branch.master.mergeoptions "--log" &&
+ git reset --hard c1 &&
+ git merge c2 &&
+ git show -s --pretty=tformat:%s%n%b >actual &&
+
+ test_cmp expect actual
+'
+
+test_expect_success 'merge c1 with c2 (log in config gets overridden)' '
+ git reset --hard c1 &&
+ git merge c2 &&
+ git show -s --pretty=tformat:%s%n%b >expect &&
+
+ test_config branch.master.mergeoptions "--no-log" &&
+ test_config merge.log "true" &&
+ git reset --hard c1 &&
+ git merge c2 &&
+ git show -s --pretty=tformat:%s%n%b >actual &&
+
+ test_cmp expect actual
+'
test_expect_success 'merge c1 with c2 (squash in config)' '
git reset --hard c1 &&
- git config branch.master.mergeoptions "--squash" &&
+ test_config branch.master.mergeoptions "--squash" &&
git merge c2 &&
verify_merge file result.1-5 &&
verify_head $c1 &&
verify_no_mergehead &&
- verify_diff squash.1-5 .git/SQUASH_MSG "[OOPS] bad squash message"
+ test_cmp squash.1-5 .git/SQUASH_MSG
'
-test_debug 'gitk --all'
+test_debug 'git log --graph --decorate --oneline --all'
test_expect_success 'override config option -n with --summary' '
git reset --hard c1 &&
- git config branch.master.mergeoptions "-n" &&
+ test_config branch.master.mergeoptions "-n" &&
test_tick &&
git merge --summary c2 >diffstat.txt &&
verify_merge file result.1-5 msg.1-5 &&
@@ -400,7 +427,7 @@ test_expect_success 'override config option -n with --summary' '
test_expect_success 'override config option -n with --stat' '
git reset --hard c1 &&
- git config branch.master.mergeoptions "-n" &&
+ test_config branch.master.mergeoptions "-n" &&
test_tick &&
git merge --stat c2 >diffstat.txt &&
verify_merge file result.1-5 msg.1-5 &&
@@ -412,11 +439,11 @@ test_expect_success 'override config option -n with --stat' '
fi
'
-test_debug 'gitk --all'
+test_debug 'git log --graph --decorate --oneline --all'
test_expect_success 'override config option --stat' '
git reset --hard c1 &&
- git config branch.master.mergeoptions "--stat" &&
+ test_config branch.master.mergeoptions "--stat" &&
test_tick &&
git merge -n c2 >diffstat.txt &&
verify_merge file result.1-5 msg.1-5 &&
@@ -428,54 +455,89 @@ test_expect_success 'override config option --stat' '
fi
'
-test_debug 'gitk --all'
+test_debug 'git log --graph --decorate --oneline --all'
test_expect_success 'merge c1 with c2 (override --no-commit)' '
git reset --hard c1 &&
- git config branch.master.mergeoptions "--no-commit" &&
+ test_config branch.master.mergeoptions "--no-commit" &&
test_tick &&
git merge --commit c2 &&
verify_merge file result.1-5 msg.1-5 &&
verify_parents $c1 $c2
'
-test_debug 'gitk --all'
+test_debug 'git log --graph --decorate --oneline --all'
test_expect_success 'merge c1 with c2 (override --squash)' '
git reset --hard c1 &&
- git config branch.master.mergeoptions "--squash" &&
+ test_config branch.master.mergeoptions "--squash" &&
test_tick &&
git merge --no-squash c2 &&
verify_merge file result.1-5 msg.1-5 &&
verify_parents $c1 $c2
'
-test_debug 'gitk --all'
+test_debug 'git log --graph --decorate --oneline --all'
test_expect_success 'merge c0 with c1 (no-ff)' '
git reset --hard c0 &&
- git config branch.master.mergeoptions "" &&
test_tick &&
git merge --no-ff c1 &&
verify_merge file result.1 &&
verify_parents $c0 $c1
'
-test_debug 'gitk --all'
+test_debug 'git log --graph --decorate --oneline --all'
+
+test_expect_success 'merge c0 with c1 (merge.ff=false)' '
+ git reset --hard c0 &&
+ test_config merge.ff "false" &&
+ test_tick &&
+ git merge c1 &&
+ verify_merge file result.1 &&
+ verify_parents $c0 $c1
+'
+test_debug 'git log --graph --decorate --oneline --all'
+
+test_expect_success 'combine branch.master.mergeoptions with merge.ff' '
+ git reset --hard c0 &&
+ test_config branch.master.mergeoptions "--ff" &&
+ test_config merge.ff "false" &&
+ test_tick &&
+ git merge c1 &&
+ verify_merge file result.1 &&
+ verify_parents "$c0"
+'
+
+test_expect_success 'tolerate unknown values for merge.ff' '
+ git reset --hard c0 &&
+ test_config merge.ff "something-new" &&
+ test_tick &&
+ git merge c1 2>message &&
+ verify_head "$c1" &&
+ test_cmp empty message
+'
test_expect_success 'combining --squash and --no-ff is refused' '
+ git reset --hard c0 &&
test_must_fail git merge --squash --no-ff c1 &&
test_must_fail git merge --no-ff --squash c1
'
-test_expect_success 'combining --ff-only and --no-ff is refused' '
- test_must_fail git merge --ff-only --no-ff c1 &&
- test_must_fail git merge --no-ff --ff-only c1
+test_expect_success 'option --ff-only overwrites --no-ff' '
+ git merge --no-ff --ff-only c1 &&
+ test_must_fail git merge --no-ff --ff-only c2
+'
+
+test_expect_success 'option --no-ff overrides merge.ff=only config' '
+ git reset --hard c0 &&
+ test_config merge.ff only &&
+ git merge --no-ff c1
'
test_expect_success 'merge c0 with c1 (ff overrides no-ff)' '
git reset --hard c0 &&
- git config branch.master.mergeoptions "--no-ff" &&
+ test_config branch.master.mergeoptions "--no-ff" &&
git merge --ff c1 &&
verify_merge file result.1 &&
verify_head $c1
@@ -485,53 +547,56 @@ test_expect_success 'merge log message' '
git reset --hard c0 &&
git merge --no-log c2 &&
git show -s --pretty=format:%b HEAD >msg.act &&
- verify_diff msg.nolog msg.act "[OOPS] bad merge log message" &&
+ test_cmp msg.nologff msg.act &&
+
+ git reset --hard c0 &&
+ test_config branch.master.mergeoptions "--no-ff" &&
+ git merge --no-log c2 &&
+ git show -s --pretty=format:%b HEAD >msg.act &&
+ test_cmp msg.nolognoff msg.act &&
git merge --log c3 &&
git show -s --pretty=format:%b HEAD >msg.act &&
- verify_diff msg.log msg.act "[OOPS] bad merge log message" &&
+ test_cmp msg.log msg.act &&
git reset --hard HEAD^ &&
- git config merge.log yes &&
+ test_config merge.log "yes" &&
git merge c3 &&
git show -s --pretty=format:%b HEAD >msg.act &&
- verify_diff msg.log msg.act "[OOPS] bad merge log message"
+ test_cmp msg.log msg.act
'
-test_debug 'gitk --all'
+test_debug 'git log --graph --decorate --oneline --all'
test_expect_success 'merge c1 with c0, c2, c0, and c1' '
git reset --hard c1 &&
- git config branch.master.mergeoptions "" &&
test_tick &&
git merge c0 c2 c0 c1 &&
verify_merge file result.1-5 &&
verify_parents $c1 $c2
'
-test_debug 'gitk --all'
+test_debug 'git log --graph --decorate --oneline --all'
test_expect_success 'merge c1 with c0, c2, c0, and c1' '
git reset --hard c1 &&
- git config branch.master.mergeoptions "" &&
test_tick &&
git merge c0 c2 c0 c1 &&
verify_merge file result.1-5 &&
verify_parents $c1 $c2
'
-test_debug 'gitk --all'
+test_debug 'git log --graph --decorate --oneline --all'
test_expect_success 'merge c1 with c1 and c2' '
git reset --hard c1 &&
- git config branch.master.mergeoptions "" &&
test_tick &&
git merge c1 c2 &&
verify_merge file result.1-5 &&
verify_parents $c1 $c2
'
-test_debug 'gitk --all'
+test_debug 'git log --graph --decorate --oneline --all'
test_expect_success 'merge fast-forward in a dirty tree' '
git reset --hard c0 &&
@@ -541,16 +606,16 @@ test_expect_success 'merge fast-forward in a dirty tree' '
git merge c2
'
-test_debug 'gitk --all'
+test_debug 'git log --graph --decorate --oneline --all'
test_expect_success 'in-index merge' '
git reset --hard c0 &&
- git merge --no-ff -s resolve c1 > out &&
- grep "Wonderful." out &&
+ git merge --no-ff -s resolve c1 >out &&
+ test_i18ngrep "Wonderful." out &&
verify_parents $c0 $c1
'
-test_debug 'gitk --all'
+test_debug 'git log --graph --decorate --oneline --all'
test_expect_success 'refresh the index before merging' '
git reset --hard c1 &&
@@ -558,31 +623,39 @@ test_expect_success 'refresh the index before merging' '
git merge c3
'
-cat >expected <<EOF
-Merge branch 'c5' (early part)
+cat >expected.branch <<\EOF
+Merge branch 'c5-branch' (early part)
+EOF
+cat >expected.tag <<\EOF
+Merge commit 'c5~1'
EOF
test_expect_success 'merge early part of c2' '
git reset --hard c3 &&
- echo c4 > c4.c &&
+ echo c4 >c4.c &&
git add c4.c &&
git commit -m c4 &&
git tag c4 &&
- echo c5 > c5.c &&
+ echo c5 >c5.c &&
git add c5.c &&
git commit -m c5 &&
git tag c5 &&
git reset --hard c3 &&
- echo c6 > c6.c &&
+ echo c6 >c6.c &&
git add c6.c &&
git commit -m c6 &&
git tag c6 &&
+ git branch -f c5-branch c5 &&
+ git merge c5-branch~1 &&
+ git show -s --pretty=tformat:%s HEAD >actual.branch &&
+ git reset --keep HEAD^ &&
git merge c5~1 &&
- git show -s --pretty=format:%s HEAD > actual &&
- test_cmp actual expected
+ git show -s --pretty=tformat:%s HEAD >actual.tag &&
+ test_cmp expected.branch actual.branch &&
+ test_cmp expected.tag actual.tag
'
-test_debug 'gitk --all'
+test_debug 'git log --graph --decorate --oneline --all'
test_expect_success 'merge --no-ff --no-commit && commit' '
git reset --hard c0 &&
@@ -591,13 +664,103 @@ test_expect_success 'merge --no-ff --no-commit && commit' '
verify_parents $c0 $c1
'
-test_debug 'gitk --all'
+test_debug 'git log --graph --decorate --oneline --all'
test_expect_success 'amending no-ff merge commit' '
EDITOR=: git commit --amend &&
verify_parents $c0 $c1
'
-test_debug 'gitk --all'
+test_debug 'git log --graph --decorate --oneline --all'
+
+cat >editor <<\EOF
+#!/bin/sh
+# Add a new message string that was not in the template
+(
+ echo "Merge work done on the side branch c1"
+ echo
+ cat <"$1"
+) >"$1.tmp" && mv "$1.tmp" "$1"
+# strip comments and blank lines from end of message
+sed -e '/^#/d' < "$1" | sed -e :a -e '/^\n*$/{$d;N;ba' -e '}' > expected
+EOF
+chmod 755 editor
+
+test_expect_success 'merge --no-ff --edit' '
+ git reset --hard c0 &&
+ EDITOR=./editor git merge --no-ff --edit c1 &&
+ verify_parents $c0 $c1 &&
+ git cat-file commit HEAD >raw &&
+ grep "work done on the side branch" raw &&
+ sed "1,/^$/d" >actual raw &&
+ test_cmp actual expected
+'
+
+test_expect_success GPG 'merge --ff-only tag' '
+ git reset --hard c0 &&
+ git commit --allow-empty -m "A newer commit" &&
+ git tag -s -m "A newer commit" signed &&
+ git reset --hard c0 &&
+
+ git merge --ff-only signed &&
+ git rev-parse signed^0 >expect &&
+ git rev-parse HEAD >actual &&
+ test_cmp actual expect
+'
+
+test_expect_success GPG 'merge --no-edit tag should skip editor' '
+ git reset --hard c0 &&
+ git commit --allow-empty -m "A newer commit" &&
+ git tag -f -s -m "A newer commit" signed &&
+ git reset --hard c0 &&
+
+ EDITOR=false git merge --no-edit signed &&
+ git rev-parse signed^0 >expect &&
+ git rev-parse HEAD^2 >actual &&
+ test_cmp actual expect
+'
+
+test_expect_success 'set up mod-256 conflict scenario' '
+ # 256 near-identical stanzas...
+ for i in $(test_seq 1 256); do
+ for j in 1 2 3 4 5; do
+ echo $i-$j
+ done
+ done >file &&
+ git add file &&
+ git commit -m base &&
+
+ # one side changes the first line of each to "master"
+ sed s/-1/-master/ <file >tmp &&
+ mv tmp file &&
+ git commit -am master &&
+
+ # and the other to "side"; merging the two will
+ # yield 256 separate conflicts
+ git checkout -b side HEAD^ &&
+ sed s/-1/-side/ <file >tmp &&
+ mv tmp file &&
+ git commit -am side
+'
+
+test_expect_success 'merge detects mod-256 conflicts (recursive)' '
+ git reset --hard &&
+ test_must_fail git merge -s recursive master
+'
+
+test_expect_success 'merge detects mod-256 conflicts (resolve)' '
+ git reset --hard &&
+ test_must_fail git merge -s resolve master
+'
+
+test_expect_success 'merge nothing into void' '
+ git init void &&
+ (
+ cd void &&
+ git remote add up .. &&
+ git fetch up &&
+ test_must_fail git merge FETCH_HEAD
+ )
+'
test_done