#!/bin/sh
#
# Copyright (c) 2007 Kristian Høgsberg <krh@redhat.com>
#

# FIXME: Test the various index usages, -i and -o, test reflog,
# signoff, hooks

test_description='git-commit'
. ./test-lib.sh

test_tick

test_expect_success \
        "initial status" \
        "echo 'bongo bongo' >file &&
         git-add file && \
         git-status | grep 'Initial commit'"

test_expect_failure \
        "fail initial amend" \
        "git-commit --amend"

test_expect_success \
        "initial commit" \
        "git-commit -m initial"

test_expect_failure \
        "invalid options 1" \
        "git-commit -m foo -m bar -F file"

test_expect_failure \
        "invalid options 2" \
        "git-commit -C HEAD -m illegal"

test_expect_failure \
        "using paths with -a" \
        "echo King of the bongo >file &&
        git-commit -m foo -a file"

test_expect_failure \
        "using paths with --interactive" \
        "echo bong-o-bong >file &&
        echo 7 | git-commit -m foo --interactive file"

test_expect_failure \
        "using invalid commit with -C" \
        "git-commit -C bogus"

test_expect_failure \
        "testing nothing to commit" \
        "git-commit -m initial"

test_expect_success \
        "next commit" \
        "echo 'bongo bongo bongo' >file \
         git-commit -m next -a"

test_expect_failure \
        "commit message from non-existing file" \
        "echo 'more bongo: bongo bongo bongo bongo' >file && \
         git-commit -F gah -a"

# Empty except stray tabs and spaces on a few lines.
sed -e 's/@$//' >msg <<EOF
                @

  @
Signed-off-by: hula
EOF
test_expect_failure \
        "empty commit message" \
        "git-commit -F msg -a"

test_expect_success \
        "commit message from file" \
        "echo 'this is the commit message, coming from a file' >msg && \
         git-commit -F msg -a"

cat >editor <<\EOF
#!/bin/sh
sed -e "s/a file/an amend commit/g" < $1 > $1-
mv $1- $1
EOF
chmod 755 editor

test_expect_success \
        "amend commit" \
        "VISUAL=./editor git-commit --amend"

test_expect_failure \
        "passing -m and -F" \
        "echo 'enough with the bongos' >file && \
         git-commit -F msg -m amending ."

test_expect_success \
        "using message from other commit" \
        "git-commit -C HEAD^ ."

cat >editor <<\EOF
#!/bin/sh
sed -e "s/amend/older/g"  < $1 > $1-
mv $1- $1
EOF
chmod 755 editor

test_expect_success \
        "editing message from other commit" \
        "echo 'hula hula' >file && \
         VISUAL=./editor git-commit -c HEAD^ -a"

test_expect_success \
        "message from stdin" \
        "echo 'silly new contents' >file && \
         echo commit message from stdin | git-commit -F - -a"

test_expect_success \
        "overriding author from command line" \
        "echo 'gak' >file && \
         git-commit -m 'author' --author 'Rubber Duck <rduck@convoy.org>' -a"

test_expect_success \
        "interactive add" \
        "echo 7 | git-commit --interactive | grep 'What now'"

test_expect_success \
        "showing committed revisions" \
        "git-rev-list HEAD >current"

# We could just check the head sha1, but checking each commit makes it
# easier to isolate bugs.

cat >expected <<\EOF
72c0dc9855b0c9dadcbfd5a31cab072e0cb774ca
9b88fc14ce6b32e3d9ee021531a54f18a5cf38a2
3536bbb352c3a1ef9a420f5b4242d48578b92aa7
d381ac431806e53f3dd7ac2f1ae0534f36d738b9
4fd44095ad6334f3ef72e4c5ec8ddf108174b54a
402702b49136e7587daa9280e91e4bb7cb2179f7
EOF

test_expect_success \
    'validate git-rev-list output.' \
    'diff current expected'

test_expect_success 'partial commit that involves removal (1)' '

        git rm --cached file &&
        mv file elif &&
        git add elif &&
        git commit -m "Partial: add elif" elif &&
        git diff-tree --name-status HEAD^ HEAD >current &&
        echo "A elif" >expected &&
        diff expected current

'

test_expect_success 'partial commit that involves removal (2)' '

        git commit -m "Partial: remove file" file &&
        git diff-tree --name-status HEAD^ HEAD >current &&
        echo "D file" >expected &&
        diff expected current

'

test_expect_success 'partial commit that involves removal (3)' '

        git rm --cached elif &&
        echo elif >elif &&
        git commit -m "Partial: modify elif" elif &&
        git diff-tree --name-status HEAD^ HEAD >current &&
        echo "M elif" >expected &&
        diff expected current

'

author="The Real Author <someguy@his.email.org>"
test_expect_success 'amend commit to fix author' '

        oldtick=$GIT_AUTHOR_DATE &&
        test_tick &&
        git reset --hard &&
        git cat-file -p HEAD |
        sed -e "s/author.*/author $author $oldtick/" \
                -e "s/^\(committer.*> \).*$/\1$GIT_COMMITTER_DATE/" > \
                expected &&
        git commit --amend --author="$author" &&
        git cat-file -p HEAD > current &&
        diff expected current

'

test_expect_success 'sign off (1)' '

        echo 1 >positive &&
        git add positive &&
        git commit -s -m "thank you" &&
        git cat-file commit HEAD | sed -e "1,/^\$/d" >actual &&
        (
                echo thank you
                echo
                git var GIT_COMMITTER_IDENT |
                sed -e "s/>.*/>/" -e "s/^/Signed-off-by: /"
        ) >expected &&
        diff -u expected actual

'

test_expect_success 'sign off (2)' '

        echo 2 >positive &&
        git add positive &&
        existing="Signed-off-by: Watch This <watchthis@example.com>" &&
        git commit -s -m "thank you

$existing" &&
        git cat-file commit HEAD | sed -e "1,/^\$/d" >actual &&
        (
                echo thank you
                echo
                echo $existing
                git var GIT_COMMITTER_IDENT |
                sed -e "s/>.*/>/" -e "s/^/Signed-off-by: /"
        ) >expected &&
        diff -u expected actual

'

test_expect_success 'multiple -m' '

        >negative &&
        git add negative &&
        git commit -m "one" -m "two" -m "three" &&
        git cat-file commit HEAD | sed -e "1,/^\$/d" >actual &&
        (
                echo one
                echo
                echo two
                echo
                echo three
        ) >expected &&
        diff -u expected actual

'

author="The Real Author <someguy@his.email.org>"
test_expect_success 'amend commit to fix author' '

        oldtick=$GIT_AUTHOR_DATE &&
        test_tick &&
        git reset --hard &&
        git cat-file -p HEAD |
        sed -e "s/author.*/author $author $oldtick/" \
                -e "s/^\(committer.*> \).*$/\1$GIT_COMMITTER_DATE/" > \
                expected &&
        git commit --amend --author="$author" &&
        git cat-file -p HEAD > current &&
        diff expected current

'

test_expect_success 'git commit <file> with dirty index' '
        echo tacocat > elif &&
        echo tehlulz > chz &&
        git add chz &&
        git commit elif -m "tacocat is a palindrome" &&
        git show --stat | grep elif &&
        git diff --cached | grep chz
'

test_expect_success 'same tree (single parent)' '

        git reset --hard

        if git commit -m empty
        then
                echo oops -- should have complained
                false
        else
                : happy
        fi

'

test_expect_success 'same tree (single parent) --allow-empty' '

        git commit --allow-empty -m "forced empty" &&
        git cat-file commit HEAD | grep forced

'

test_expect_success 'same tree (merge and amend merge)' '

        git checkout -b side HEAD^ &&
        echo zero >zero &&
        git add zero &&
        git commit -m "add zero" &&
        git checkout master &&

        git merge -s ours side -m "empty ok" &&
        git diff HEAD^ HEAD >actual &&
        : >expected &&
        diff -u expected actual &&

        git commit --amend -m "empty really ok" &&
        git diff HEAD^ HEAD >actual &&
        : >expected &&
        diff -u expected actual

'

test_done