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git/t/t6050-replace.sh
Christian Couder 663a8566be replace info: rename 'full' to 'long' and clarify in-code symbols
Enum names SHORT/MEDIUM/FULL were too broad to be descriptive.  And
they clashed with built-in symbols on platforms like Windows.
Clarify by giving them REPLACE_FORMAT_ prefix.

Rename 'full' format in "git replace --format=<name>" to 'long', to
match others (i.e. 'short' and 'medium').

Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-12-30 12:33:11 -08:00

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#!/bin/sh
#
# Copyright (c) 2008 Christian Couder
#
test_description='Tests replace refs functionality'
exec </dev/null
. ./test-lib.sh
add_and_commit_file()
{
_file="$1"
_msg="$2"
git add $_file || return $?
test_tick || return $?
git commit --quiet -m "$_file: $_msg"
}
HASH1=
HASH2=
HASH3=
HASH4=
HASH5=
HASH6=
HASH7=
test_expect_success 'set up buggy branch' '
echo "line 1" >> hello &&
echo "line 2" >> hello &&
echo "line 3" >> hello &&
echo "line 4" >> hello &&
add_and_commit_file hello "4 lines" &&
HASH1=$(git rev-parse --verify HEAD) &&
echo "line BUG" >> hello &&
echo "line 6" >> hello &&
echo "line 7" >> hello &&
echo "line 8" >> hello &&
add_and_commit_file hello "4 more lines with a BUG" &&
HASH2=$(git rev-parse --verify HEAD) &&
echo "line 9" >> hello &&
echo "line 10" >> hello &&
add_and_commit_file hello "2 more lines" &&
HASH3=$(git rev-parse --verify HEAD) &&
echo "line 11" >> hello &&
add_and_commit_file hello "1 more line" &&
HASH4=$(git rev-parse --verify HEAD) &&
sed -e "s/BUG/5/" hello > hello.new &&
mv hello.new hello &&
add_and_commit_file hello "BUG fixed" &&
HASH5=$(git rev-parse --verify HEAD) &&
echo "line 12" >> hello &&
echo "line 13" >> hello &&
add_and_commit_file hello "2 more lines" &&
HASH6=$(git rev-parse --verify HEAD) &&
echo "line 14" >> hello &&
echo "line 15" >> hello &&
echo "line 16" >> hello &&
add_and_commit_file hello "again 3 more lines" &&
HASH7=$(git rev-parse --verify HEAD)
'
test_expect_success 'replace the author' '
git cat-file commit $HASH2 | grep "author A U Thor" &&
R=$(git cat-file commit $HASH2 | sed -e "s/A U/O/" | git hash-object -t commit --stdin -w) &&
git cat-file commit $R | grep "author O Thor" &&
git update-ref refs/replace/$HASH2 $R &&
git show HEAD~5 | grep "O Thor" &&
git show $HASH2 | grep "O Thor"
'
test_expect_success 'test --no-replace-objects option' '
git cat-file commit $HASH2 | grep "author O Thor" &&
git --no-replace-objects cat-file commit $HASH2 | grep "author A U Thor" &&
git show $HASH2 | grep "O Thor" &&
git --no-replace-objects show $HASH2 | grep "A U Thor"
'
test_expect_success 'test GIT_NO_REPLACE_OBJECTS env variable' '
GIT_NO_REPLACE_OBJECTS=1 git cat-file commit $HASH2 | grep "author A U Thor" &&
GIT_NO_REPLACE_OBJECTS=1 git show $HASH2 | grep "A U Thor"
'
cat >tag.sig <<EOF
object $HASH2
type commit
tag mytag
tagger T A Gger <> 0 +0000
EOF
test_expect_success 'tag replaced commit' '
git mktag <tag.sig >.git/refs/tags/mytag 2>message
'
test_expect_success '"git fsck" works' '
git fsck master > fsck_master.out &&
grep "dangling commit $R" fsck_master.out &&
grep "dangling tag $(cat .git/refs/tags/mytag)" fsck_master.out &&
test -z "$(git fsck)"
'
test_expect_success 'repack, clone and fetch work' '
git repack -a -d &&
git clone --no-hardlinks . clone_dir &&
(
cd clone_dir &&
git show HEAD~5 | grep "A U Thor" &&
git show $HASH2 | grep "A U Thor" &&
git cat-file commit $R &&
git repack -a -d &&
test_must_fail git cat-file commit $R &&
git fetch ../ "refs/replace/*:refs/replace/*" &&
git show HEAD~5 | grep "O Thor" &&
git show $HASH2 | grep "O Thor" &&
git cat-file commit $R
)
'
test_expect_success '"git replace" listing and deleting' '
test "$HASH2" = "$(git replace -l)" &&
test "$HASH2" = "$(git replace)" &&
aa=${HASH2%??????????????????????????????????????} &&
test "$HASH2" = "$(git replace --list "$aa*")" &&
test_must_fail git replace -d $R &&
test_must_fail git replace --delete &&
test_must_fail git replace -l -d $HASH2 &&
git replace -d $HASH2 &&
git show $HASH2 | grep "A U Thor" &&
test -z "$(git replace -l)"
'
test_expect_success '"git replace" replacing' '
git replace $HASH2 $R &&
git show $HASH2 | grep "O Thor" &&
test_must_fail git replace $HASH2 $R &&
git replace -f $HASH2 $R &&
test_must_fail git replace -f &&
test "$HASH2" = "$(git replace)"
'
test_expect_success '"git replace" resolves sha1' '
SHORTHASH2=$(git rev-parse --short=8 $HASH2) &&
git replace -d $SHORTHASH2 &&
git replace $SHORTHASH2 $R &&
git show $HASH2 | grep "O Thor" &&
test_must_fail git replace $HASH2 $R &&
git replace -f $HASH2 $R &&
test_must_fail git replace --force &&
test "$HASH2" = "$(git replace)"
'
# This creates a side branch where the bug in H2
# does not appear because P2 is created by applying
# H2 and squashing H5 into it.
# P3, P4 and P6 are created by cherry-picking H3, H4
# and H6 respectively.
#
# At this point, we should have the following:
#
# P2--P3--P4--P6
# /
# H1-H2-H3-H4-H5-H6-H7
#
# Then we replace H6 with P6.
#
test_expect_success 'create parallel branch without the bug' '
git replace -d $HASH2 &&
git show $HASH2 | grep "A U Thor" &&
git checkout $HASH1 &&
git cherry-pick $HASH2 &&
git show $HASH5 | git apply &&
git commit --amend -m "hello: 4 more lines WITHOUT the bug" hello &&
PARA2=$(git rev-parse --verify HEAD) &&
git cherry-pick $HASH3 &&
PARA3=$(git rev-parse --verify HEAD) &&
git cherry-pick $HASH4 &&
PARA4=$(git rev-parse --verify HEAD) &&
git cherry-pick $HASH6 &&
PARA6=$(git rev-parse --verify HEAD) &&
git replace $HASH6 $PARA6 &&
git checkout master &&
cur=$(git rev-parse --verify HEAD) &&
test "$cur" = "$HASH7" &&
git log --pretty=oneline | grep $PARA2 &&
git remote add cloned ./clone_dir
'
test_expect_success 'push to cloned repo' '
git push cloned $HASH6^:refs/heads/parallel &&
(
cd clone_dir &&
git checkout parallel &&
git log --pretty=oneline | grep $PARA2
)
'
test_expect_success 'push branch with replacement' '
git cat-file commit $PARA3 | grep "author A U Thor" &&
S=$(git cat-file commit $PARA3 | sed -e "s/A U/O/" | git hash-object -t commit --stdin -w) &&
git cat-file commit $S | grep "author O Thor" &&
git replace $PARA3 $S &&
git show $HASH6~2 | grep "O Thor" &&
git show $PARA3 | grep "O Thor" &&
git push cloned $HASH6^:refs/heads/parallel2 &&
(
cd clone_dir &&
git checkout parallel2 &&
git log --pretty=oneline | grep $PARA3 &&
git show $PARA3 | grep "A U Thor"
)
'
test_expect_success 'fetch branch with replacement' '
git branch tofetch $HASH6 &&
(
cd clone_dir &&
git fetch origin refs/heads/tofetch:refs/heads/parallel3 &&
git log --pretty=oneline parallel3 > output.txt &&
! grep $PARA3 output.txt &&
git show $PARA3 > para3.txt &&
grep "A U Thor" para3.txt &&
git fetch origin "refs/replace/*:refs/replace/*" &&
git log --pretty=oneline parallel3 > output.txt &&
grep $PARA3 output.txt &&
git show $PARA3 > para3.txt &&
grep "O Thor" para3.txt
)
'
test_expect_success 'bisect and replacements' '
git bisect start $HASH7 $HASH1 &&
test "$PARA3" = "$(git rev-parse --verify HEAD)" &&
git bisect reset &&
GIT_NO_REPLACE_OBJECTS=1 git bisect start $HASH7 $HASH1 &&
test "$HASH4" = "$(git rev-parse --verify HEAD)" &&
git bisect reset &&
git --no-replace-objects bisect start $HASH7 $HASH1 &&
test "$HASH4" = "$(git rev-parse --verify HEAD)" &&
git bisect reset
'
test_expect_success 'index-pack and replacements' '
git --no-replace-objects rev-list --objects HEAD |
git --no-replace-objects pack-objects test- &&
git index-pack test-*.pack
'
test_expect_success 'not just commits' '
echo replaced >file &&
git add file &&
REPLACED=$(git rev-parse :file) &&
mv file file.replaced &&
echo original >file &&
git add file &&
ORIGINAL=$(git rev-parse :file) &&
git update-ref refs/replace/$ORIGINAL $REPLACED &&
mv file file.original &&
git checkout file &&
test_cmp file.replaced file
'
test_expect_success 'replaced and replacement objects must be of the same type' '
test_must_fail git replace mytag $HASH1 &&
test_must_fail git replace HEAD^{tree} HEAD~1 &&
BLOB=$(git rev-parse :file) &&
test_must_fail git replace HEAD^ $BLOB
'
test_expect_success '-f option bypasses the type check' '
git replace -f mytag $HASH1 &&
git replace --force HEAD^{tree} HEAD~1 &&
git replace -f HEAD^ $BLOB
'
test_expect_success 'git cat-file --batch works on replace objects' '
git replace | grep $PARA3 &&
echo $PARA3 | git cat-file --batch
'
test_expect_success 'test --format bogus' '
test_must_fail git replace --format bogus >/dev/null 2>&1
'
test_expect_success 'test --format short' '
git replace --format=short >actual &&
git replace >expected &&
test_cmp expected actual
'
test_expect_success 'test --format medium' '
H1=$(git --no-replace-objects rev-parse HEAD~1) &&
HT=$(git --no-replace-objects rev-parse HEAD^{tree}) &&
MYTAG=$(git --no-replace-objects rev-parse mytag) &&
{
echo "$H1 -> $BLOB" &&
echo "$BLOB -> $REPLACED" &&
echo "$HT -> $H1" &&
echo "$PARA3 -> $S" &&
echo "$MYTAG -> $HASH1"
} | sort >expected &&
git replace -l --format medium | sort > actual &&
test_cmp expected actual
'
test_expect_success 'test --format long' '
{
echo "$H1 (commit) -> $BLOB (blob)" &&
echo "$BLOB (blob) -> $REPLACED (blob)" &&
echo "$HT (tree) -> $H1 (commit)" &&
echo "$PARA3 (commit) -> $S (commit)" &&
echo "$MYTAG (tag) -> $HASH1 (commit)"
} | sort >expected &&
git replace --format=long | sort > actual &&
test_cmp expected actual
'
test_expect_success 'replace ref cleanup' '
test -n "$(git replace)" &&
git replace -d $(git replace) &&
test -z "$(git replace)"
'
test_done