#!/bin/sh

test_description='git log'

. ./test-lib.sh

test_expect_success setup '

        echo one >one &&
        git add one &&
        test_tick &&
        git commit -m initial &&

        echo ichi >one &&
        git add one &&
        test_tick &&
        git commit -m second &&

        git mv one ichi &&
        test_tick &&
        git commit -m third &&

        cp ichi ein &&
        git add ein &&
        test_tick &&
        git commit -m fourth &&

        mkdir a &&
        echo ni >a/two &&
        git add a/two &&
        test_tick &&
        git commit -m fifth  &&

        git rm a/two &&
        test_tick &&
        git commit -m sixth

'

printf "sixth\nfifth\nfourth\nthird\nsecond\ninitial" > expect
test_expect_success 'pretty' '

        git log --pretty="format:%s" > actual &&
        test_cmp expect actual
'

printf "sixth\nfifth\nfourth\nthird\nsecond\ninitial\n" > expect
test_expect_success 'pretty (tformat)' '

        git log --pretty="tformat:%s" > actual &&
        test_cmp expect actual
'

test_expect_success 'pretty (shortcut)' '

        git log --pretty="%s" > actual &&
        test_cmp expect actual
'

test_expect_success 'format' '

        git log --format="%s" > actual &&
        test_cmp expect actual
'

cat > expect << EOF
 This is
  the sixth
  commit.
 This is
  the fifth
  commit.
EOF

test_expect_success 'format %w(12,1,2)' '

        git log -2 --format="%w(12,1,2)This is the %s commit." > actual &&
        test_cmp expect actual
'

test_expect_success 'format %w(,1,2)' '

        git log -2 --format="%w(,1,2)This is%nthe %s%ncommit." > actual &&
        test_cmp expect actual
'

cat > expect << EOF
804a787 sixth
394ef78 fifth
5d31159 fourth
2fbe8c0 third
f7dab8e second
3a2fdcb initial
EOF
test_expect_success 'oneline' '

        git log --oneline > actual &&
        test_cmp expect actual
'

test_expect_success 'diff-filter=A' '

        git log --pretty="format:%s" --diff-filter=A HEAD > actual &&
        git log --pretty="format:%s" --diff-filter A HEAD > actual-separate &&
        printf "fifth\nfourth\nthird\ninitial" > expect &&
        test_cmp expect actual &&
        test_cmp expect actual-separate

'

test_expect_success 'diff-filter=M' '

        actual=$(git log --pretty="format:%s" --diff-filter=M HEAD) &&
        expect=$(echo second) &&
        test "$actual" = "$expect" || {
                echo Oops
                echo "Actual: $actual"
                false
        }

'

test_expect_success 'diff-filter=D' '

        actual=$(git log --pretty="format:%s" --diff-filter=D HEAD) &&
        expect=$(echo sixth ; echo third) &&
        test "$actual" = "$expect" || {
                echo Oops
                echo "Actual: $actual"
                false
        }

'

test_expect_success 'diff-filter=R' '

        actual=$(git log -M --pretty="format:%s" --diff-filter=R HEAD) &&
        expect=$(echo third) &&
        test "$actual" = "$expect" || {
                echo Oops
                echo "Actual: $actual"
                false
        }

'

test_expect_success 'diff-filter=C' '

        actual=$(git log -C -C --pretty="format:%s" --diff-filter=C HEAD) &&
        expect=$(echo fourth) &&
        test "$actual" = "$expect" || {
                echo Oops
                echo "Actual: $actual"
                false
        }

'

test_expect_success 'git log --follow' '

        actual=$(git log --follow --pretty="format:%s" ichi) &&
        expect=$(echo third ; echo second ; echo initial) &&
        test "$actual" = "$expect" || {
                echo Oops
                echo "Actual: $actual"
                false
        }

'

cat > expect << EOF
804a787 sixth
394ef78 fifth
5d31159 fourth
EOF
test_expect_success 'git log --no-walk <commits> sorts by commit time' '
        git log --no-walk --oneline 5d31159 804a787 394ef78 > actual &&
        test_cmp expect actual
'

cat > expect << EOF
5d31159 fourth
804a787 sixth
394ef78 fifth
EOF
test_expect_success 'git show <commits> leaves list of commits as given' '
        git show --oneline -s 5d31159 804a787 394ef78 > actual &&
        test_cmp expect actual
'

test_expect_success 'setup case sensitivity tests' '
        echo case >one &&
        test_tick &&
        git add one
        git commit -a -m Second
'

test_expect_success 'log --grep' '
        echo second >expect &&
        git log -1 --pretty="tformat:%s" --grep=sec >actual &&
        test_cmp expect actual
'

test_expect_success 'log -i --grep' '
        echo Second >expect &&
        git log -1 --pretty="tformat:%s" -i --grep=sec >actual &&
        test_cmp expect actual
'

test_expect_success 'log --grep -i' '
        echo Second >expect &&
        git log -1 --pretty="tformat:%s" --grep=sec -i >actual &&
        test_cmp expect actual
'

cat > expect <<EOF
* Second
* sixth
* fifth
* fourth
* third
* second
* initial
EOF

test_expect_success 'simple log --graph' '
        git log --graph --pretty=tformat:%s >actual &&
        test_cmp expect actual
'

test_expect_success 'set up merge history' '
        git checkout -b side HEAD~4 &&
        test_commit side-1 1 1 &&
        test_commit side-2 2 2 &&
        git checkout master &&
        git merge side
'

cat > expect <<\EOF
*   Merge branch 'side'
|\
| * side-2
| * side-1
* | Second
* | sixth
* | fifth
* | fourth
|/
* third
* second
* initial
EOF

test_expect_success 'log --graph with merge' '
        git log --graph --date-order --pretty=tformat:%s |
                sed "s/ *\$//" >actual &&
        test_cmp expect actual
'

cat > expect <<\EOF
*   commit master
|\  Merge: A B
| | Author: A U Thor <author@example.com>
| |
| |     Merge branch 'side'
| |
| * commit side
| | Author: A U Thor <author@example.com>
| |
| |     side-2
| |
| * commit tags/side-1
| | Author: A U Thor <author@example.com>
| |
| |     side-1
| |
* | commit master~1
| | Author: A U Thor <author@example.com>
| |
| |     Second
| |
* | commit master~2
| | Author: A U Thor <author@example.com>
| |
| |     sixth
| |
* | commit master~3
| | Author: A U Thor <author@example.com>
| |
| |     fifth
| |
* | commit master~4
|/  Author: A U Thor <author@example.com>
|
|       fourth
|
* commit tags/side-1~1
| Author: A U Thor <author@example.com>
|
|     third
|
* commit tags/side-1~2
| Author: A U Thor <author@example.com>
|
|     second
|
* commit tags/side-1~3
  Author: A U Thor <author@example.com>

      initial
EOF

test_expect_success 'log --graph with full output' '
        git log --graph --date-order --pretty=short |
                git name-rev --name-only --stdin |
                sed "s/Merge:.*/Merge: A B/;s/ *\$//" >actual &&
        test_cmp expect actual
'

test_expect_success 'set up more tangled history' '
        git checkout -b tangle HEAD~6 &&
        test_commit tangle-a tangle-a a &&
        git merge master~3 &&
        git merge side~1 &&
        git checkout master &&
        git merge tangle &&
        git checkout -b reach &&
        test_commit reach &&
        git checkout master &&
        git checkout -b octopus-a &&
        test_commit octopus-a &&
        git checkout master &&
        git checkout -b octopus-b &&
        test_commit octopus-b &&
        git checkout master &&
        test_commit seventh &&
        git merge octopus-a octopus-b
        git merge reach
'

cat > expect <<\EOF
*   Merge commit 'reach'
|\
| \
|  \
*-. \   Merge commit 'octopus-a'; commit 'octopus-b'
|\ \ \
* | | | seventh
| | * | octopus-b
| |/ /
|/| |
| * | octopus-a
|/ /
| * reach
|/
*   Merge branch 'tangle'
|\
| *   Merge branch 'side' (early part) into tangle
| |\
| * \   Merge branch 'master' (early part) into tangle
| |\ \
| * | | tangle-a
* | | |   Merge branch 'side'
|\ \ \ \
| * | | | side-2
| | |_|/
| |/| |
| * | | side-1
* | | | Second
* | | | sixth
| |_|/
|/| |
* | | fifth
* | | fourth
|/ /
* | third
|/
* second
* initial
EOF

test_expect_success 'log --graph with merge' '
        git log --graph --date-order --pretty=tformat:%s |
                sed "s/ *\$//" >actual &&
        test_cmp expect actual
'

test_expect_success 'log.decorate configuration' '
        git config --unset-all log.decorate || :

        git log --oneline >expect.none &&
        git log --oneline --decorate >expect.short &&
        git log --oneline --decorate=full >expect.full &&

        echo "[log] decorate" >>.git/config &&
        git log --oneline >actual &&
        test_cmp expect.short actual &&

        git config --unset-all log.decorate &&
        git config log.decorate true &&
        git log --oneline >actual &&
        test_cmp expect.short actual &&
        git log --oneline --decorate=full >actual &&
        test_cmp expect.full actual &&
        git log --oneline --decorate=no >actual &&
        test_cmp expect.none actual &&

        git config --unset-all log.decorate &&
        git config log.decorate no &&
        git log --oneline >actual &&
        test_cmp expect.none actual &&
        git log --oneline --decorate >actual &&
        test_cmp expect.short actual &&
        git log --oneline --decorate=full >actual &&
        test_cmp expect.full actual &&

        git config --unset-all log.decorate &&
        git config log.decorate short &&
        git log --oneline >actual &&
        test_cmp expect.short actual &&
        git log --oneline --no-decorate >actual &&
        test_cmp expect.none actual &&
        git log --oneline --decorate=full >actual &&
        test_cmp expect.full actual &&

        git config --unset-all log.decorate &&
        git config log.decorate full &&
        git log --oneline >actual &&
        test_cmp expect.full actual &&
        git log --oneline --no-decorate >actual &&
        test_cmp expect.none actual &&
        git log --oneline --decorate >actual &&
        test_cmp expect.short actual

'

test_done