diff options
Diffstat (limited to 'third_party/git/t/t5520-pull.sh')
| -rwxr-xr-x | third_party/git/t/t5520-pull.sh | 711 |
1 files changed, 711 insertions, 0 deletions
diff --git a/third_party/git/t/t5520-pull.sh b/third_party/git/t/t5520-pull.sh new file mode 100755 index 000000000000..cf4cc32fd0eb --- /dev/null +++ b/third_party/git/t/t5520-pull.sh @@ -0,0 +1,711 @@ +#!/bin/sh + +test_description='pulling into void' + +. ./test-lib.sh + +modify () { + sed -e "$1" <"$2" >"$2.x" && + mv "$2.x" "$2" +} + +test_pull_autostash () { + git reset --hard before-rebase && + echo dirty >new_file && + git add new_file && + git pull "$@" . copy && + test_cmp_rev HEAD^ copy && + test "$(cat new_file)" = dirty && + test "$(cat file)" = "modified again" +} + +test_pull_autostash_fail () { + git reset --hard before-rebase && + echo dirty >new_file && + git add new_file && + test_must_fail git pull "$@" . copy 2>err && + test_i18ngrep "uncommitted changes." err +} + +test_expect_success setup ' + echo file >file && + git add file && + git commit -a -m original +' + +test_expect_success 'pulling into void' ' + git init cloned && + ( + cd cloned && + git pull .. + ) && + test -f file && + test -f cloned/file && + test_cmp file cloned/file +' + +test_expect_success 'pulling into void using master:master' ' + git init cloned-uho && + ( + cd cloned-uho && + git pull .. master:master + ) && + test -f file && + test -f cloned-uho/file && + test_cmp file cloned-uho/file +' + +test_expect_success 'pulling into void does not overwrite untracked files' ' + git init cloned-untracked && + ( + cd cloned-untracked && + echo untracked >file && + test_must_fail git pull .. master && + echo untracked >expect && + test_cmp expect file + ) +' + +test_expect_success 'pulling into void does not overwrite staged files' ' + git init cloned-staged-colliding && + ( + cd cloned-staged-colliding && + echo "alternate content" >file && + git add file && + test_must_fail git pull .. master && + echo "alternate content" >expect && + test_cmp expect file && + git cat-file blob :file >file.index && + test_cmp expect file.index + ) +' + +test_expect_success 'pulling into void does not remove new staged files' ' + git init cloned-staged-new && + ( + cd cloned-staged-new && + echo "new tracked file" >newfile && + git add newfile && + git pull .. master && + echo "new tracked file" >expect && + test_cmp expect newfile && + git cat-file blob :newfile >newfile.index && + test_cmp expect newfile.index + ) +' + +test_expect_success 'pulling into void must not create an octopus' ' + git init cloned-octopus && + ( + cd cloned-octopus && + test_must_fail git pull .. master master && + ! test -f file + ) +' + +test_expect_success 'test . as a remote' ' + git branch copy master && + git config branch.copy.remote . && + git config branch.copy.merge refs/heads/master && + echo updated >file && + git commit -a -m updated && + git checkout copy && + test "$(cat file)" = file && + git pull && + test "$(cat file)" = updated && + git reflog -1 >reflog.actual && + sed "s/^[0-9a-f][0-9a-f]*/OBJID/" reflog.actual >reflog.fuzzy && + echo "OBJID HEAD@{0}: pull: Fast-forward" >reflog.expected && + test_cmp reflog.expected reflog.fuzzy +' + +test_expect_success 'the default remote . should not break explicit pull' ' + git checkout -b second master^ && + echo modified >file && + git commit -a -m modified && + git checkout copy && + git reset --hard HEAD^ && + test "$(cat file)" = file && + git pull . second && + test "$(cat file)" = modified && + git reflog -1 >reflog.actual && + sed "s/^[0-9a-f][0-9a-f]*/OBJID/" reflog.actual >reflog.fuzzy && + echo "OBJID HEAD@{0}: pull . second: Fast-forward" >reflog.expected && + test_cmp reflog.expected reflog.fuzzy +' + +test_expect_success 'fail if wildcard spec does not match any refs' ' + git checkout -b test copy^ && + test_when_finished "git checkout -f copy && git branch -D test" && + test "$(cat file)" = file && + test_must_fail git pull . "refs/nonexisting1/*:refs/nonexisting2/*" 2>err && + test_i18ngrep "no candidates for merging" err && + test "$(cat file)" = file +' + +test_expect_success 'fail if no branches specified with non-default remote' ' + git remote add test_remote . && + test_when_finished "git remote remove test_remote" && + git checkout -b test copy^ && + test_when_finished "git checkout -f copy && git branch -D test" && + test "$(cat file)" = file && + test_config branch.test.remote origin && + test_must_fail git pull test_remote 2>err && + test_i18ngrep "specify a branch on the command line" err && + test "$(cat file)" = file +' + +test_expect_success 'fail if not on a branch' ' + git remote add origin . && + test_when_finished "git remote remove origin" && + git checkout HEAD^ && + test_when_finished "git checkout -f copy" && + test "$(cat file)" = file && + test_must_fail git pull 2>err && + test_i18ngrep "not currently on a branch" err && + test "$(cat file)" = file +' + +test_expect_success 'fail if no configuration for current branch' ' + git remote add test_remote . && + test_when_finished "git remote remove test_remote" && + git checkout -b test copy^ && + test_when_finished "git checkout -f copy && git branch -D test" && + test_config branch.test.remote test_remote && + test "$(cat file)" = file && + test_must_fail git pull 2>err && + test_i18ngrep "no tracking information" err && + test "$(cat file)" = file +' + +test_expect_success 'pull --all: fail if no configuration for current branch' ' + git remote add test_remote . && + test_when_finished "git remote remove test_remote" && + git checkout -b test copy^ && + test_when_finished "git checkout -f copy && git branch -D test" && + test_config branch.test.remote test_remote && + test "$(cat file)" = file && + test_must_fail git pull --all 2>err && + test_i18ngrep "There is no tracking information" err && + test "$(cat file)" = file +' + +test_expect_success 'fail if upstream branch does not exist' ' + git checkout -b test copy^ && + test_when_finished "git checkout -f copy && git branch -D test" && + test_config branch.test.remote . && + test_config branch.test.merge refs/heads/nonexisting && + test "$(cat file)" = file && + test_must_fail git pull 2>err && + test_i18ngrep "no such ref was fetched" err && + test "$(cat file)" = file +' + +test_expect_success 'fail if the index has unresolved entries' ' + git checkout -b third second^ && + test_when_finished "git checkout -f copy && git branch -D third" && + test "$(cat file)" = file && + test_commit modified2 file && + test -z "$(git ls-files -u)" && + test_must_fail git pull . second && + test -n "$(git ls-files -u)" && + cp file expected && + test_must_fail git pull . second 2>err && + test_i18ngrep "Pulling is not possible because you have unmerged files." err && + test_cmp expected file && + git add file && + test -z "$(git ls-files -u)" && + test_must_fail git pull . second 2>err && + test_i18ngrep "You have not concluded your merge" err && + test_cmp expected file +' + +test_expect_success 'fast-forwards working tree if branch head is updated' ' + git checkout -b third second^ && + test_when_finished "git checkout -f copy && git branch -D third" && + test "$(cat file)" = file && + git pull . second:third 2>err && + test_i18ngrep "fetch updated the current branch head" err && + test "$(cat file)" = modified && + test "$(git rev-parse third)" = "$(git rev-parse second)" +' + +test_expect_success 'fast-forward fails with conflicting work tree' ' + git checkout -b third second^ && + test_when_finished "git checkout -f copy && git branch -D third" && + test "$(cat file)" = file && + echo conflict >file && + test_must_fail git pull . second:third 2>err && + test_i18ngrep "Cannot fast-forward your working tree" err && + test "$(cat file)" = conflict && + test "$(git rev-parse third)" = "$(git rev-parse second)" +' + +test_expect_success '--rebase' ' + git branch to-rebase && + echo modified again > file && + git commit -m file file && + git checkout to-rebase && + echo new > file2 && + git add file2 && + git commit -m "new file" && + git tag before-rebase && + git pull --rebase . copy && + test "$(git rev-parse HEAD^)" = "$(git rev-parse copy)" && + test new = "$(git show HEAD:file2)" +' + +test_expect_success '--rebase fast forward' ' + git reset --hard before-rebase && + git checkout -b ff && + echo another modification >file && + git commit -m third file && + + git checkout to-rebase && + git pull --rebase . ff && + test "$(git rev-parse HEAD)" = "$(git rev-parse ff)" && + + # The above only validates the result. Did we actually bypass rebase? + git reflog -1 >reflog.actual && + sed "s/^[0-9a-f][0-9a-f]*/OBJID/" reflog.actual >reflog.fuzzy && + echo "OBJID HEAD@{0}: pull --rebase . ff: Fast-forward" >reflog.expected && + test_cmp reflog.expected reflog.fuzzy +' + +test_expect_success '--rebase --autostash fast forward' ' + test_when_finished " + git reset --hard + git checkout to-rebase + git branch -D to-rebase-ff + git branch -D behind" && + git branch behind && + git checkout -b to-rebase-ff && + echo another modification >>file && + git add file && + git commit -m mod && + + git checkout behind && + echo dirty >file && + git pull --rebase --autostash . to-rebase-ff && + test "$(git rev-parse HEAD)" = "$(git rev-parse to-rebase-ff)" +' + +test_expect_success '--rebase with conflicts shows advice' ' + test_when_finished "git rebase --abort; git checkout -f to-rebase" && + git checkout -b seq && + test_seq 5 >seq.txt && + git add seq.txt && + test_tick && + git commit -m "Add seq.txt" && + echo 6 >>seq.txt && + test_tick && + git commit -m "Append to seq.txt" seq.txt && + git checkout -b with-conflicts HEAD^ && + echo conflicting >>seq.txt && + test_tick && + git commit -m "Create conflict" seq.txt && + test_must_fail git pull --rebase . seq 2>err >out && + test_i18ngrep "Resolve all conflicts manually" out +' + +test_expect_success 'failed --rebase shows advice' ' + test_when_finished "git rebase --abort; git checkout -f to-rebase" && + git checkout -b diverging && + test_commit attributes .gitattributes "* text=auto" attrs && + sha1="$(printf "1\\r\\n" | git hash-object -w --stdin)" && + git update-index --cacheinfo 0644 $sha1 file && + git commit -m v1-with-cr && + # force checkout because `git reset --hard` will not leave clean `file` + git checkout -f -b fails-to-rebase HEAD^ && + test_commit v2-without-cr file "2" file2-lf && + test_must_fail git pull --rebase . diverging 2>err >out && + test_i18ngrep "Resolve all conflicts manually" out +' + +test_expect_success '--rebase fails with multiple branches' ' + git reset --hard before-rebase && + test_must_fail git pull --rebase . copy master 2>err && + test "$(git rev-parse HEAD)" = "$(git rev-parse before-rebase)" && + test_i18ngrep "Cannot rebase onto multiple branches" err && + test modified = "$(git show HEAD:file)" +' + +test_expect_success 'pull --rebase succeeds with dirty working directory and rebase.autostash set' ' + test_config rebase.autostash true && + test_pull_autostash --rebase +' + +test_expect_success 'pull --rebase --autostash & rebase.autostash=true' ' + test_config rebase.autostash true && + test_pull_autostash --rebase --autostash +' + +test_expect_success 'pull --rebase --autostash & rebase.autostash=false' ' + test_config rebase.autostash false && + test_pull_autostash --rebase --autostash +' + +test_expect_success 'pull --rebase --autostash & rebase.autostash unset' ' + test_unconfig rebase.autostash && + test_pull_autostash --rebase --autostash +' + +test_expect_success 'pull --rebase --no-autostash & rebase.autostash=true' ' + test_config rebase.autostash true && + test_pull_autostash_fail --rebase --no-autostash +' + +test_expect_success 'pull --rebase --no-autostash & rebase.autostash=false' ' + test_config rebase.autostash false && + test_pull_autostash_fail --rebase --no-autostash +' + +test_expect_success 'pull --rebase --no-autostash & rebase.autostash unset' ' + test_unconfig rebase.autostash && + test_pull_autostash_fail --rebase --no-autostash +' + +for i in --autostash --no-autostash +do + test_expect_success "pull $i (without --rebase) is illegal" ' + test_must_fail git pull $i . copy 2>err && + test_i18ngrep "only valid with --rebase" err + ' +done + +test_expect_success 'pull.rebase' ' + git reset --hard before-rebase && + test_config pull.rebase true && + git pull . copy && + test "$(git rev-parse HEAD^)" = "$(git rev-parse copy)" && + test new = "$(git show HEAD:file2)" +' + +test_expect_success 'pull --autostash & pull.rebase=true' ' + test_config pull.rebase true && + test_pull_autostash --autostash +' + +test_expect_success 'pull --no-autostash & pull.rebase=true' ' + test_config pull.rebase true && + test_pull_autostash_fail --no-autostash +' + +test_expect_success 'branch.to-rebase.rebase' ' + git reset --hard before-rebase && + test_config branch.to-rebase.rebase true && + git pull . copy && + test "$(git rev-parse HEAD^)" = "$(git rev-parse copy)" && + test new = "$(git show HEAD:file2)" +' + +test_expect_success 'branch.to-rebase.rebase should override pull.rebase' ' + git reset --hard before-rebase && + test_config pull.rebase true && + test_config branch.to-rebase.rebase false && + git pull . copy && + test "$(git rev-parse HEAD^)" != "$(git rev-parse copy)" && + test new = "$(git show HEAD:file2)" +' + +test_expect_success "pull --rebase warns on --verify-signatures" ' + git reset --hard before-rebase && + git pull --rebase --verify-signatures . copy 2>err && + test "$(git rev-parse HEAD^)" = "$(git rev-parse copy)" && + test new = "$(git show HEAD:file2)" && + test_i18ngrep "ignoring --verify-signatures for rebase" err +' + +test_expect_success "pull --rebase does not warn on --no-verify-signatures" ' + git reset --hard before-rebase && + git pull --rebase --no-verify-signatures . copy 2>err && + test "$(git rev-parse HEAD^)" = "$(git rev-parse copy)" && + test new = "$(git show HEAD:file2)" && + test_i18ngrep ! "verify-signatures" err +' + +# add a feature branch, keep-merge, that is merged into master, so the +# test can try preserving the merge commit (or not) with various +# --rebase flags/pull.rebase settings. +test_expect_success 'preserve merge setup' ' + git reset --hard before-rebase && + git checkout -b keep-merge second^ && + test_commit file3 && + git checkout to-rebase && + git merge keep-merge && + git tag before-preserve-rebase +' + +test_expect_success 'pull.rebase=false create a new merge commit' ' + git reset --hard before-preserve-rebase && + test_config pull.rebase false && + git pull . copy && + test "$(git rev-parse HEAD^1)" = "$(git rev-parse before-preserve-rebase)" && + test "$(git rev-parse HEAD^2)" = "$(git rev-parse copy)" && + test file3 = "$(git show HEAD:file3.t)" +' + +test_expect_success 'pull.rebase=true flattens keep-merge' ' + git reset --hard before-preserve-rebase && + test_config pull.rebase true && + git pull . copy && + test "$(git rev-parse HEAD^^)" = "$(git rev-parse copy)" && + test file3 = "$(git show HEAD:file3.t)" +' + +test_expect_success 'pull.rebase=1 is treated as true and flattens keep-merge' ' + git reset --hard before-preserve-rebase && + test_config pull.rebase 1 && + git pull . copy && + test "$(git rev-parse HEAD^^)" = "$(git rev-parse copy)" && + test file3 = "$(git show HEAD:file3.t)" +' + +test_expect_success REBASE_P \ + 'pull.rebase=preserve rebases and merges keep-merge' ' + git reset --hard before-preserve-rebase && + test_config pull.rebase preserve && + git pull . copy && + test "$(git rev-parse HEAD^^)" = "$(git rev-parse copy)" && + test "$(git rev-parse HEAD^2)" = "$(git rev-parse keep-merge)" +' + +test_expect_success 'pull.rebase=interactive' ' + write_script "$TRASH_DIRECTORY/fake-editor" <<-\EOF && + echo I was here >fake.out && + false + EOF + test_set_editor "$TRASH_DIRECTORY/fake-editor" && + test_when_finished "test_might_fail git rebase --abort" && + test_must_fail git pull --rebase=interactive . copy && + test "I was here" = "$(cat fake.out)" +' + +test_expect_success 'pull --rebase=i' ' + write_script "$TRASH_DIRECTORY/fake-editor" <<-\EOF && + echo I was here, too >fake.out && + false + EOF + test_set_editor "$TRASH_DIRECTORY/fake-editor" && + test_when_finished "test_might_fail git rebase --abort" && + test_must_fail git pull --rebase=i . copy && + test "I was here, too" = "$(cat fake.out)" +' + +test_expect_success 'pull.rebase=invalid fails' ' + git reset --hard before-preserve-rebase && + test_config pull.rebase invalid && + ! git pull . copy +' + +test_expect_success '--rebase=false create a new merge commit' ' + git reset --hard before-preserve-rebase && + test_config pull.rebase true && + git pull --rebase=false . copy && + test "$(git rev-parse HEAD^1)" = "$(git rev-parse before-preserve-rebase)" && + test "$(git rev-parse HEAD^2)" = "$(git rev-parse copy)" && + test file3 = "$(git show HEAD:file3.t)" +' + +test_expect_success '--rebase=true rebases and flattens keep-merge' ' + git reset --hard before-preserve-rebase && + test_config pull.rebase preserve && + git pull --rebase=true . copy && + test "$(git rev-parse HEAD^^)" = "$(git rev-parse copy)" && + test file3 = "$(git show HEAD:file3.t)" +' + +test_expect_success REBASE_P \ + '--rebase=preserve rebases and merges keep-merge' ' + git reset --hard before-preserve-rebase && + test_config pull.rebase true && + git pull --rebase=preserve . copy && + test "$(git rev-parse HEAD^^)" = "$(git rev-parse copy)" && + test "$(git rev-parse HEAD^2)" = "$(git rev-parse keep-merge)" +' + +test_expect_success '--rebase=invalid fails' ' + git reset --hard before-preserve-rebase && + ! git pull --rebase=invalid . copy +' + +test_expect_success '--rebase overrides pull.rebase=preserve and flattens keep-merge' ' + git reset --hard before-preserve-rebase && + test_config pull.rebase preserve && + git pull --rebase . copy && + test "$(git rev-parse HEAD^^)" = "$(git rev-parse copy)" && + test file3 = "$(git show HEAD:file3.t)" +' + +test_expect_success '--rebase with rebased upstream' ' + + git remote add -f me . && + git checkout copy && + git tag copy-orig && + git reset --hard HEAD^ && + echo conflicting modification > file && + git commit -m conflict file && + git checkout to-rebase && + echo file > file2 && + git commit -m to-rebase file2 && + git tag to-rebase-orig && + git pull --rebase me copy && + test "conflicting modification" = "$(cat file)" && + test file = "$(cat file2)" + +' + +test_expect_success '--rebase -f with rebased upstream' ' + test_when_finished "test_might_fail git rebase --abort" && + git reset --hard to-rebase-orig && + git pull --rebase -f me copy && + test "conflicting modification" = "$(cat file)" && + test file = "$(cat file2)" +' + +test_expect_success '--rebase with rebased default upstream' ' + + git update-ref refs/remotes/me/copy copy-orig && + git checkout --track -b to-rebase2 me/copy && + git reset --hard to-rebase-orig && + git pull --rebase && + test "conflicting modification" = "$(cat file)" && + test file = "$(cat file2)" + +' + +test_expect_success 'rebased upstream + fetch + pull --rebase' ' + + git update-ref refs/remotes/me/copy copy-orig && + git reset --hard to-rebase-orig && + git checkout --track -b to-rebase3 me/copy && + git reset --hard to-rebase-orig && + git fetch && + git pull --rebase && + test "conflicting modification" = "$(cat file)" && + test file = "$(cat file2)" + +' + +test_expect_success 'pull --rebase dies early with dirty working directory' ' + + git checkout to-rebase && + git update-ref refs/remotes/me/copy copy^ && + COPY="$(git rev-parse --verify me/copy)" && + git rebase --onto $COPY copy && + test_config branch.to-rebase.remote me && + test_config branch.to-rebase.merge refs/heads/copy && + test_config branch.to-rebase.rebase true && + echo dirty >> file && + git add file && + test_must_fail git pull && + test "$COPY" = "$(git rev-parse --verify me/copy)" && + git checkout HEAD -- file && + git pull && + test "$COPY" != "$(git rev-parse --verify me/copy)" + +' + +test_expect_success 'pull --rebase works on branch yet to be born' ' + git rev-parse master >expect && + mkdir empty_repo && + (cd empty_repo && + git init && + git pull --rebase .. master && + git rev-parse HEAD >../actual + ) && + test_cmp expect actual +' + +test_expect_success 'pull --rebase fails on unborn branch with staged changes' ' + test_when_finished "rm -rf empty_repo2" && + git init empty_repo2 && + ( + cd empty_repo2 && + echo staged-file >staged-file && + git add staged-file && + test "$(git ls-files)" = staged-file && + test_must_fail git pull --rebase .. master 2>err && + test "$(git ls-files)" = staged-file && + test "$(git show :staged-file)" = staged-file && + test_i18ngrep "unborn branch with changes added to the index" err + ) +' + +test_expect_success 'pull --rebase fails on corrupt HEAD' ' + test_when_finished "rm -rf corrupt" && + git init corrupt && + ( + cd corrupt && + test_commit one && + obj=$(git rev-parse --verify HEAD | sed "s#^..#&/#") && + rm -f .git/objects/$obj && + test_must_fail git pull --rebase + ) +' + +test_expect_success 'setup for detecting upstreamed changes' ' + mkdir src && + (cd src && + git init && + printf "1\n2\n3\n4\n5\n6\n7\n8\n9\n10\n" > stuff && + git add stuff && + git commit -m "Initial revision" + ) && + git clone src dst && + (cd src && + modify s/5/43/ stuff && + git commit -a -m "5->43" && + modify s/6/42/ stuff && + git commit -a -m "Make it bigger" + ) && + (cd dst && + modify s/5/43/ stuff && + git commit -a -m "Independent discovery of 5->43" + ) +' + +test_expect_success 'git pull --rebase detects upstreamed changes' ' + (cd dst && + git pull --rebase && + test -z "$(git ls-files -u)" + ) +' + +test_expect_success 'setup for avoiding reapplying old patches' ' + (cd dst && + test_might_fail git rebase --abort && + git reset --hard origin/master + ) && + git clone --bare src src-replace.git && + rm -rf src && + mv src-replace.git src && + (cd dst && + modify s/2/22/ stuff && + git commit -a -m "Change 2" && + modify s/3/33/ stuff && + git commit -a -m "Change 3" && + modify s/4/44/ stuff && + git commit -a -m "Change 4" && + git push && + + modify s/44/55/ stuff && + git commit --amend -a -m "Modified Change 4" + ) +' + +test_expect_success 'git pull --rebase does not reapply old patches' ' + (cd dst && + test_must_fail git pull --rebase && + test 1 = $(find .git/rebase-apply -name "000*" | wc -l) + ) +' + +test_expect_success 'git pull --rebase against local branch' ' + git checkout -b copy2 to-rebase-orig && + git pull --rebase . to-rebase && + test "conflicting modification" = "$(cat file)" && + test file = "$(cat file2)" +' + +test_done |