I refrained from saying this but perhaps I should have in the early round. Next time, can you make sure the patches you are sending out apply cleanly without need for fixing whitespace errors? This is what I got. Thanks. $ git am -sc ./+hn13-v15-reftable Applying: Write pseudorefs through ref backends. Applying: Make refs_ref_exists public Applying: Treat BISECT_HEAD as a pseudo ref Applying: Treat CHERRY_PICK_HEAD as a pseudo ref Applying: Treat REVERT_HEAD as a pseudo ref Applying: Move REF_LOG_ONLY to refs-internal.h Applying: Iterate over the "refs/" namespace in for_each_[raw]ref Applying: Add .gitattributes for the reftable/ directory .git/rebase-apply/patch:137: trailing whitespace. .git/rebase-apply/patch:6784: trailing whitespace. # Remove unittests and compatibility hacks we don't need here. .git/rebase-apply/patch:6787: trailing whitespace. git add reftable/*.[ch] reftable/LICENSE reftable/VERSION .git/rebase-apply/patch:7558: indent with spaces. left = *destLen; .git/rebase-apply/patch:7559: indent with spaces. *destLen = 0; warning: squelched 16 whitespace errors warning: 21 lines applied after fixing whitespace errors. Applying: Add reftable library .git/rebase-apply/patch:1865: indent with spaces. return 1 .git/rebase-apply/patch:1876: trailing whitespace. test_line_count = 0 output .git/rebase-apply/patch:1892: trailing whitespace. print_ref "refs/tags/test_tag^{}" .git/rebase-apply/patch:1950: space before tab in indent. git rebase source && .git/rebase-apply/patch:1955: new blank line at EOF. + warning: 4 lines applied after fixing whitespace errors. Applying: Reftable support for git-core Test number t0031 already taken .git/rebase-apply/patch:385: trailing whitespace. (cd files && GIT_DEBUG_REFS=1 test_commit message file) > files.txt && warning: 1 line applied after fixing whitespace errors. Applying: Add GIT_DEBUG_REFS debugging mechanism Test number t0033 already taken Applying: vcxproj: adjust for the reftable changes Applying: Add reftable testing infrastructure