diff options
Diffstat (limited to 't/t6012-rev-list-simplify.sh')
| -rwxr-xr-x | t/t6012-rev-list-simplify.sh | 165 |
1 files changed, 156 insertions, 9 deletions
diff --git a/t/t6012-rev-list-simplify.sh b/t/t6012-rev-list-simplify.sh index b5a1190ffe..fd202fcb94 100755 --- a/t/t6012-rev-list-simplify.sh +++ b/t/t6012-rev-list-simplify.sh @@ -12,6 +12,22 @@ unnote () { git name-rev --tags --stdin | sed -e "s|$OID_REGEX (tags/\([^)]*\)) |\1 |g" } +# +# Create a test repo with interesting commit graph: +# +# A--B----------G--H--I--K--L +# \ \ / / +# \ \ / / +# C------E---F J +# \_/ +# +# The commits are laid out from left-to-right starting with +# the root commit A and terminating at the tip commit L. +# +# There are a few places where we adjust the commit date or +# author date to make the --topo-order, --date-order, and +# --author-date-order flags produce different output. + test_expect_success setup ' echo "Hi there" >file && echo "initial" >lost && @@ -21,10 +37,18 @@ test_expect_success setup ' git branch other-branch && + git symbolic-ref HEAD refs/heads/unrelated && + git rm -f "*" && + echo "Unrelated branch" >side && + git add side && + test_tick && git commit -m "Side root" && + note J && + git checkout master && + echo "Hello" >file && echo "second" >lost && git add file lost && - test_tick && git commit -m "Modified file and lost" && + test_tick && GIT_AUTHOR_DATE=$(($test_tick + 120)) git commit -m "Modified file and lost" && note B && git checkout other-branch && @@ -63,13 +87,6 @@ test_expect_success setup ' test_tick && git commit -a -m "Final change" && note I && - git symbolic-ref HEAD refs/heads/unrelated && - git rm -f "*" && - echo "Unrelated branch" >side && - git add side && - test_tick && git commit -m "Side root" && - note J && - git checkout master && test_tick && git merge --allow-unrelated-histories -m "Coolest" unrelated && note K && @@ -103,14 +120,24 @@ check_result () { check_outcome success "$@" } -check_result 'L K J I H G F E D C B A' --full-history +check_result 'L K J I H F E D C G B A' --full-history --topo-order +check_result 'L K I H G F E D C B J A' --full-history +check_result 'L K I H G F E D C B J A' --full-history --date-order +check_result 'L K I H G F E D B C J A' --full-history --author-date-order check_result 'K I H E C B A' --full-history -- file check_result 'K I H E C B A' --full-history --topo-order -- file check_result 'K I H E C B A' --full-history --date-order -- file +check_result 'K I H E B C A' --full-history --author-date-order -- file check_result 'I E C B A' --simplify-merges -- file +check_result 'I E C B A' --simplify-merges --topo-order -- file +check_result 'I E C B A' --simplify-merges --date-order -- file +check_result 'I E B C A' --simplify-merges --author-date-order -- file check_result 'I B A' -- file check_result 'I B A' --topo-order -- file +check_result 'I B A' --date-order -- file +check_result 'I B A' --author-date-order -- file check_result 'H' --first-parent -- another-file +check_result 'H' --first-parent --topo-order -- another-file check_result 'E C B A' --full-history E -- lost test_expect_success 'full history simplification without parent' ' @@ -127,4 +154,124 @@ test_expect_success '--full-diff is not affected by --parents' ' test_cmp expected actual ' +# +# Create a new history to demonstrate the value of --show-pulls +# with respect to the subtleties of simplified history, --full-history, +# and --simplify-merges. +# +# .-A---M-----C--N---O---P +# / / \ \ \/ / / +# I B \ R-'`-Z' / +# \ / \/ / +# \ / /\ / +# `---X--' `---Y--' +# +# This example is explained in Documentation/rev-list-options.txt + +test_expect_success 'setup rebuild repo' ' + rm -rf .git * && + git init && + git switch -c topic && + + echo base >file && + git add file && + test_commit I && + + echo A >file && + git add file && + test_commit A && + + git switch -c branchB I && + echo B >file && + git add file && + test_commit B && + + git switch topic && + test_must_fail git merge -m "M" B && + echo A >file && + echo B >>file && + git add file && + git merge --continue && + note M && + + echo C >other && + git add other && + test_commit C && + + git switch -c branchX I && + echo X >file && + git add file && + test_commit X && + + git switch -c branchR M && + git merge -m R -Xtheirs X && + note R && + + git switch topic && + git merge -m N R && + note N && + + git switch -c branchY M && + echo Y >y && + git add y && + test_commit Y && + + git switch -c branchZ C && + echo Z >z && + git add z && + test_commit Z && + + git switch topic && + git merge -m O Z && + note O && + + git merge -m P Y && + note P +' + +check_result 'X I' -- file +check_result 'N R X I' --show-pulls -- file + +check_result 'P O N R X M B A I' --full-history --topo-order -- file +check_result 'N R X M B A I' --simplify-merges --topo-order --show-pulls -- file +check_result 'R X M B A I' --simplify-merges --topo-order -- file +check_result 'N M A I' --first-parent -- file +check_result 'N M A I' --first-parent --show-pulls -- file + +# --ancestry-path implies --full-history +check_result 'P O N R M' --topo-order \ + --ancestry-path A..HEAD -- file +check_result 'P O N R M' --topo-order \ + --show-pulls \ + --ancestry-path A..HEAD -- file +check_result 'P O N R M' --topo-order \ + --full-history \ + --ancestry-path A..HEAD -- file +check_result 'R M' --topo-order \ + --simplify-merges \ + --ancestry-path A..HEAD -- file +check_result 'N R M' --topo-order \ + --simplify-merges --show-pulls \ + --ancestry-path A..HEAD -- file + +test_expect_success 'log --graph --simplify-merges --show-pulls' ' + cat >expect <<-\EOF && + * N + * R + |\ + | * X + * | M + |\ \ + | * | B + | |/ + * / A + |/ + * I + EOF + git log --graph --pretty="%s" \ + --simplify-merges --show-pulls \ + -- file >actual && + test_cmp expect actual +' + test_done |