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2018-03-27t/helper: merge test-dump-split-index into test-toolLibravatar Nguyễn Thái Ngọc Duy5-27/+30
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-03-27t/helper: merge test-dump-cache-tree into test-toolLibravatar Nguyễn Thái Ngọc Duy5-5/+8
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-03-27t/helper: merge test-drop-caches into test-toolLibravatar Nguyễn Thái Ngọc Duy4-7/+10
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-03-27t/helper: merge (unused) test-delta into test-toolLibravatar Nguyễn Thái Ngọc Duy3-2/+5
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-03-27t/helper: merge test-date into test-toolLibravatar Nguyễn Thái Ngọc Duy6-15/+18
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-03-27t/helper: merge test-ctype into test-toolLibravatar Nguyễn Thái Ngọc Duy4-2/+5
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-03-27t/helper: merge test-config into test-toolLibravatar Nguyễn Thái Ngọc Duy6-20/+23
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-03-27t/helper: merge test-lazy-init-name-hash into test-toolLibravatar Nguyễn Thái Ngọc Duy5-11/+14
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-03-27t/helper: merge test-sha1 into test-toolLibravatar Nguyễn Thái Ngọc Duy6-5/+8
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-03-27t/helper: merge test-chmtime into test-toolLibravatar Nguyễn Thái Ngọc Duy32-88/+92
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-03-27t/helper: add an empty test-tool programLibravatar Nguyễn Thái Ngọc Duy2-0/+31
This will become an umbrella program that absorbs most [1] t/helper programs in. By having a single executable binary we reduce disk usage (libgit.a is replicated by every t/helper program) and shorten link time a bit. Running "make --jobs=1; du -sh t/helper" with ccache fully populated, it takes 27 seconds and 277MB at the beginning of this series, 17 seconds and 42MB at the end. [1] There are a couple programs that will not become part of test-tool: test-line-buffer and test-svn-fe have extra dependencies and test-fake-ssh's program name has to be a single word for some ssh tests. Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-03-21Merge branch 'ks/t3200-typofix'Libravatar Junio C Hamano1-1/+1
Test typofix. * ks/t3200-typofix: t/t3200: fix a typo in a test description
2018-03-21Merge branch 'jt/transfer-fsck-with-promissor'Libravatar Junio C Hamano2-0/+16
The transfer.fsckobjects configuration tells "git fetch" to validate the data and connected-ness of objects in the received pack; the code to perform this check has been taught about the narrow clone's convention that missing objects that are reachable from objects in a pack that came from a promissor remote is OK. * jt/transfer-fsck-with-promissor: fetch-pack: do not check links for partial fetch index-pack: support checking objects but not links
2018-03-21Merge branch 'ma/config-page-only-in-list-mode'Libravatar Junio C Hamano1-7/+42
In a way similar to how "git tag" learned to honor the pager setting only in the list mode, "git config" learned to ignore the pager setting when it is used for setting values (i.e. when the purpose of the operation is not to "show"). * ma/config-page-only-in-list-mode: config: change default of `pager.config` to "on" config: respect `pager.config` in list/get-mode only t7006: add tests for how git config paginates
2018-03-15Merge branch 'sg/cvs-tests-with-x'Libravatar Junio C Hamano2-9/+7
Allow running a couple of tests with "sh -x". * sg/cvs-tests-with-x: t9402-git-cvsserver-refs: don't check the stderr of a subshell t9400-git-cvsserver-server: don't rely on the output of 'test_cmp'
2018-03-15Merge branch 'cl/send-email-reply-to'Libravatar Junio C Hamano1-0/+2
"git send-email" learned "--reply-to=<address>" option. * cl/send-email-reply-to: send-email: support separate Reply-To address send-email: rename variable for clarity
2018-03-15t/t3200: fix a typo in a test descriptionLibravatar Kaartic Sivaraam1-1/+1
Signed-off-by: Kaartic Sivaraam <kaartic.sivaraam@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-03-15fetch-pack: do not check links for partial fetchLibravatar Jonathan Tan1-0/+11
When doing a partial clone or fetch with transfer.fsckobjects=1, use the --fsck-objects instead of the --strict flag when invoking index-pack so that links are not checked, only objects. This is because incomplete links are expected when doing a partial clone or fetch. Signed-off-by: Jonathan Tan <jonathantanmy@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-03-15index-pack: support checking objects but not linksLibravatar Jonathan Tan1-0/+5
The index-pack command currently supports the --check-self-contained-and-connected argument, for internal use only, that instructs it to only check for broken links and not broken objects. For partial clones, we need the inverse, so add a --fsck-objects argument that checks for broken objects and not broken links, also for internal use only. This will be used by fetch-pack in a subsequent patch. Signed-off-by: Jonathan Tan <jonathantanmy@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-03-14Merge branch 'nd/parseopt-completion'Libravatar Junio C Hamano1-5/+7
Teach parse-options API an option to help the completion script, and make use of the mechanism in command line completion. * nd/parseopt-completion: (45 commits) completion: more subcommands in _git_notes() completion: complete --{reuse,reedit}-message= for all notes subcmds completion: simplify _git_notes completion: don't set PARSE_OPT_NOCOMPLETE on --rerere-autoupdate completion: use __gitcomp_builtin in _git_worktree completion: use __gitcomp_builtin in _git_tag completion: use __gitcomp_builtin in _git_status completion: use __gitcomp_builtin in _git_show_branch completion: use __gitcomp_builtin in _git_rm completion: use __gitcomp_builtin in _git_revert completion: use __gitcomp_builtin in _git_reset completion: use __gitcomp_builtin in _git_replace remote: force completing --mirror= instead of --mirror completion: use __gitcomp_builtin in _git_remote completion: use __gitcomp_builtin in _git_push completion: use __gitcomp_builtin in _git_pull completion: use __gitcomp_builtin in _git_notes completion: use __gitcomp_builtin in _git_name_rev completion: use __gitcomp_builtin in _git_mv completion: use __gitcomp_builtin in _git_merge_base ...
2018-03-14Merge branch 'jk/add-i-diff-filter'Libravatar Junio C Hamano1-0/+20
The "interactive.diffFilter" used by "git add -i" must retain one-to-one correspondence between its input and output, but it was not enforced and caused end-user confusion. We now at least make sure the filtered result has the same number of lines as its input to detect a broken filter. * jk/add-i-diff-filter: add--interactive: detect bogus diffFilter output t3701: add a test for interactive.diffFilter
2018-03-14Merge branch 'nd/worktree-move'Libravatar Junio C Hamano1-1/+84
"git worktree" learned move and remove subcommands. * nd/worktree-move: t2028: fix minor error and issues in newly-added "worktree move" tests worktree remove: allow it when $GIT_WORK_TREE is already gone worktree remove: new command worktree move: refuse to move worktrees with submodules worktree move: accept destination as directory worktree move: new command worktree.c: add update_worktree_location() worktree.c: add validate_worktree()
2018-03-14Merge branch 'pw/add-p-recount'Libravatar Junio C Hamano1-130/+165
"git add -p" has been lazy in coalescing split patches before passing the result to underlying "git apply", leading to corner case bugs; the logic to prepare the patch to be applied after hunk selections has been tightened. * pw/add-p-recount: add -p: don't rely on apply's '--recount' option add -p: fix counting when splitting and coalescing add -p: calculate offset delta for edited patches add -p: adjust offsets of subsequent hunks when one is skipped t3701: add failing test for pathological context lines t3701: don't hard code sha1 hash values t3701: use test_write_lines and write_script t3701: indent here documents add -i: add function to format hunk header
2018-03-14Merge branch 'sg/test-x'Libravatar Junio C Hamano11-61/+93
Running test scripts under -x option of the shell is often not a useful way to debug them, because the error messages from the commands tests try to capture and inspect are contaminated by the tracing output by the shell. An earlier work done to make it more pleasant to run tests under -x with recent versions of bash is extended to cover posix shells that do not support BASH_XTRACEFD. * sg/test-x: travis-ci: run tests with '-x' tracing t/README: add a note about don't saving stderr of compound commands t1510-repo-setup: mark as untraceable with '-x' t9903-bash-prompt: don't check the stderr of __git_ps1() t5570-git-daemon: don't check the stderr of a subshell t5526: use $TRASH_DIRECTORY to specify the path of GIT_TRACE log file t5500-fetch-pack: don't check the stderr of a subshell t3030-merge-recursive: don't check the stderr of a subshell t1507-rev-parse-upstream: don't check the stderr of a shell function t: add means to disable '-x' tracing for individual test scripts t: prevent '-x' tracing from interfering with test helpers' stderr
2018-03-14Merge branch 'rj/test-i18ngrep'Libravatar Junio C Hamano2-21/+6
Test updates. * rj/test-i18ngrep: t5536: simplify checking of messages output to stderr t4151: consolidate multiple calls to test_i18ngrep
2018-03-14Merge branch 'nd/diff-stat-with-summary'Libravatar Junio C Hamano5-0/+37
"git diff" and friends learned "--compact-summary" that shows the information usually given with the "--summary" option on the same line as the diffstat output of the "--stat" option (which saves vertical space and keeps info on a single path at the same place). * nd/diff-stat-with-summary: diff: add --compact-summary diff.c: refactor pprint_rename() to use strbuf
2018-03-08t9402-git-cvsserver-refs: don't check the stderr of a subshellLibravatar SZEDER Gábor1-4/+4
Four 'cvs diff' related tests in 't9402-git-cvsserver-refs.sh' fail when the test script is run with '-x' tracing (and using a shell other than a Bash version supporting BASH_XTRACEFD). The reason for those failures is that the tests check the emptiness of a subshell's stderr, which includes the trace of commands executed in that subshell as well, throwing off the emptiness check. Save the stdout and stderr of the invoked 'cvs' command instead of the whole subshell, so the latter remains free from tracing output. (Note that changing how stdout is saved is only done for the sake of consistency, it's not necessary for correctness.) After this change t9402 passes with '-x', even when running with /bin/sh. Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-03-08t9400-git-cvsserver-server: don't rely on the output of 'test_cmp'Libravatar SZEDER Gábor1-5/+3
The test 'cvs update (-p)' redirects and checks 'test_cmp's stdout and even its stderr. The commit introducing this test in 6e8937a084 (cvsserver: Add test for update -p, 2008-03-27) doesn't discuss why, in fact its log message only consists of that subject line. Anyway, weird as it is, it kind of made sense due to the way that test was structured: After a bit of preparation, this test updates four files via CVS and checks their contents using 'test_cmp', but it does so in a for loop iterating over the names of those four files. Now, the exit status of a for loop is the exit status of the last command executed in the loop, meaning that the test can't simply rely on the exit code of 'test_cmp' in the loop's body. Instead, the test works it around by relying on the stdout of 'test_cmp' being silent on success and showing the diff on failure, as it appends the stdout of all four 'test_cmp' invocations to a single file and checks that file's emptiness after the loop (with 'test -z "$(cat ...)"', no less; there was no 'test_must_be_empty' back then). Furthermore, the test redirects the stderr of those 'test_cmp' invocations to this file, too: while 'test_cmp' itself doesn't output anything to stderr, the invoked 'diff' or 'cmp' commands do send their error messages there, e.g. if they can't open a file because its name was misspelled. This also makes this test fail when the test script is run with '-x' tracing (and using a shell other than a Bash version supporting BASH_XTRACEFD), because 'test_cmp's stderr contains the trace of the 'diff' command executed inside the helper function, throwing off the subsequent emptiness check. Stop relying on 'test_cmp's output and instead run 'test_cmp a b || return 1' in the for loop in order to make 'test_cmp's error code fail the test. Furthermore, add the missing && after the cvs command to create a && chain in the loop's body. After this change t9400 passes with '-x', even when running with /bin/sh. Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-03-08Merge branch 'ag/userdiff-go-funcname'Libravatar Junio C Hamano6-0/+26
"git diff" and friends learned funcname patterns for Go language source files. * ag/userdiff-go-funcname: userdiff: add built-in pattern for golang
2018-03-08Merge branch 'bp/untracked-cache-noflush'Libravatar Junio C Hamano1-0/+3
Writing out the index file when the only thing that changed in it is the untracked cache information is often wasteful, and this has been optimized out. * bp/untracked-cache-noflush: untracked cache: use git_env_bool() not getenv() for customization dir.c: don't flag the index as dirty for changes to the untracked cache
2018-03-08Merge branch 'rs/perf-repeat-thrice-by-default'Libravatar Junio C Hamano1-5/+3
Perf test regression fix. * rs/perf-repeat-thrice-by-default: perf: use GIT_PERF_REPEAT_COUNT=3 by default even without config file
2018-03-08Merge branch 'jc/test-must-be-empty'Libravatar Junio C Hamano1-1/+5
Test framework tweak to catch developer thinko. * jc/test-must-be-empty: test_must_be_empty: make sure the file exists, not just empty
2018-03-08Merge branch 'jh/status-no-ahead-behind'Libravatar Junio C Hamano2-0/+104
"git status" can spend a lot of cycles to compute the relation between the current branch and its upstream, which can now be disabled with "--no-ahead-behind" option. * jh/status-no-ahead-behind: status: support --no-ahead-behind in long format status: update short status to respect --no-ahead-behind status: add --[no-]ahead-behind to status and commit for V2 format. stat_tracking_info: return +1 when branches not equal
2018-03-06Merge branch 'jk/test-helper-v-output-fix'Libravatar Junio C Hamano1-10/+10
Test framework update. * jk/test-helper-v-output-fix: t: send verbose test-helper output to fd 4
2018-03-06Merge branch 'jk/cached-commit-buffer'Libravatar Junio C Hamano1-31/+0
Code clean-up. * jk/cached-commit-buffer: revision: drop --show-all option commit: drop uses of get_cached_commit_buffer()
2018-03-06Merge branch 'jc/allow-ff-merging-kept-tags'Libravatar Junio C Hamano2-2/+38
Since Git 1.7.9, "git merge" defaulted to --no-ff (i.e. even when the side branch being merged is a descendant of the current commit, create a merge commit instead of fast-forwarding) when merging a tag object. This was appropriate default for integrators who pull signed tags from their downstream contributors, but caused an unnecessary merges when used by downstream contributors who habitually "catch up" their topic branches with tagged releases from the upstream. Update "git merge" to default to --no-ff only when merging a tag object that does *not* sit at its usual place in refs/tags/ hierarchy, and allow fast-forwarding otherwise, to mitigate the problem. * jc/allow-ff-merging-kept-tags: merge: allow fast-forward when merging a tracked tag
2018-03-06Merge branch 'sg/t6300-modernize'Libravatar Junio C Hamano1-5/+2
Test update. * sg/t6300-modernize: t6300-for-each-ref: fix "more than one quoting style" tests
2018-03-06Merge branch 'nd/rebase-show-current-patch'Libravatar Junio C Hamano3-0/+47
The new "--show-current-patch" option gives an end-user facing way to get the diff being applied when "git rebase" (and "git am") stops with a conflict. * nd/rebase-show-current-patch: rebase: introduce and use pseudo-ref REBASE_HEAD rebase: add --show-current-patch am: add --show-current-patch
2018-03-06Merge branch 'ab/fetch-prune'Libravatar Junio C Hamano1-44/+194
Clarify how configured fetch refspecs interact with the "--prune" option of "git fetch", and also add a handy short-hand for getting rid of stale tags that are locally held. * ab/fetch-prune: fetch: make the --prune-tags work with <url> fetch: add a --prune-tags option and fetch.pruneTags config fetch tests: add scaffolding for the new fetch.pruneTags git-fetch & config doc: link to the new PRUNING section git remote doc: correct dangerous lies about what prune does git fetch doc: add a new section to explain the ins & outs of pruning fetch tests: fetch <url> <spec> as well as fetch [<remote>] fetch tests: expand case/esac for later change fetch tests: double quote a variable for interpolation fetch tests: test --prune and refspec interaction fetch tests: add a tag to be deleted to the pruning tests fetch tests: re-arrange arguments for future readability fetch tests: refactor in preparation for testing tag pruning remote: add a macro for "refs/tags/*:refs/tags/*" fetch: stop accessing "remote" variable indirectly fetch: trivially refactor assignment to ref_nr fetch: don't redundantly NULL something calloc() gave us
2018-03-06Merge branch 'sm/mv-dry-run-update'Libravatar Junio C Hamano1-0/+6
Code clean-up. * sm/mv-dry-run-update: mv: remove unneeded 'if (!show_only)' t7001: add test case for --dry-run
2018-03-06Merge branch 'nm/tag-edit'Libravatar Junio C Hamano1-0/+30
"git tag" learned an explicit "--edit" option that allows the message given via "-m" and "-F" to be further edited. * nm/tag-edit: tag: add --edit option
2018-03-06t2028: fix minor error and issues in newly-added "worktree move" testsLibravatar Eric Sunshine1-10/+9
Recently-added "git worktree move" tests include a minor error and a few small issues. Specifically: * checking non-existence of wrong file ("source" instead of "destination") * unneeded redirect (">empty") * unused variable ("toplevel") * restoring a worktree location by means of a separate test somewhat distant from the test which moved it rather than using test_when_finished() to restore it in a self-contained fashion * having git command on the left-hand-side of a pipe ("git foo | grep") Signed-off-by: Eric Sunshine <sunshine@sunshineco.com> Acked-by: Duy Nguyen <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-03-06send-email: support separate Reply-To addressLibravatar Christian Ludwig1-0/+2
In some projects contributions from groups are only accepted from a common group email address. But every individual may want to receive replies to her own personal address. That's what we have 'Reply-To' headers for in SMTP. So introduce an optional '--reply-to' command line option. This patch re-uses the $reply_to variable. This could break out-of-tree patches! Signed-off-by: Christian Ludwig <chrissicool@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-03-05add--interactive: detect bogus diffFilter outputLibravatar Jeff King1-0/+8
It's important that the diff-filter only filter the individual lines, and that there remain a one-to-one mapping between the input and output lines. Otherwise, things like hunk-splitting will behave quite unexpectedly (e.g., you think you are splitting at one point, but it has a different effect in the text patch we apply). We can't detect all problematic cases, but we can at least catch the obvious case where we don't even have the correct number of lines. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-03-05t3701: add a test for interactive.diffFilterLibravatar Jeff King1-0/+12
This feature was added in 01143847db (add--interactive: allow custom diff highlighting programs, 2016-02-27) but never tested. Let's add a basic test. Note that we only apply the filter when color is enabled, so we have to use test_terminal. This is an open limitation explicitly mentioned in the original commit. So take this commit as testing the status quo, and not making a statement on whether we'd want to enhance that in the future. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-03-05add -p: fix counting when splitting and coalescingLibravatar Phillip Wood1-8/+23
When a file has no trailing new line at the end diff records this by appending "\ No newline at end of file" below the last line of the file. This line should not be counted in the hunk header. Fix the splitting and coalescing code to count files without a trailing new line properly and change one of the tests to test splitting without a trailing new line. Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-03-05add -p: calculate offset delta for edited patchesLibravatar Phillip Wood1-1/+1
Recount the number of preimage and postimage lines in a hunk after it has been edited so any change in the number of insertions or deletions can be used to adjust the offsets of subsequent hunks. If an edited hunk is subsequently split then the offset correction will be lost. It would be possible to fix this if it is a problem, however the code here is still an improvement on the status quo for the common case where an edited hunk is applied without being split. This is also a necessary step to removing '--recount' and '--allow-overlap' from the invocation of 'git apply'. Before '--recount' can be removed the splitting and coalescing counting needs to be fixed to handle a missing newline at the end of a file. In order to remove '--allow-overlap' there needs to be i) some way of verifying the offset data in the edited hunk (probably by correlating the preimage (or postimage if the patch is going to be applied in reverse) lines of the edited and unedited versions to see if they are offset or if any leading/trailing context lines have been removed) and ii) a way of dealing with edited hunks that change context lines that are shared with neighbouring hunks. Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-03-01userdiff: add built-in pattern for golangLibravatar Alban Gruin6-0/+26
This adds xfuncname and word_regex patterns for golang, a quite popular programming language. It also includes test cases for the xfuncname regex (t4018) and updated documentation. The xfuncname regex finds functions, structs and interfaces. Although the Go language prohibits the opening brace from being on its own line, the regex does not makes it mandatory, to be able to match `func` statements like this: func foo(bar int, baz int) { } This is covered by the test case t4018/golang-long-func. The word_regex pattern finds identifiers, integers, floats, complex numbers and operators, according to the go specification. Signed-off-by: Alban Gruin <alban.gruin@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-03-01add -p: adjust offsets of subsequent hunks when one is skippedLibravatar Phillip Wood1-1/+1
Since commit 8cbd431082 ("git-add--interactive: replace hunk recounting with apply --recount", 2008-7-2) if a hunk is skipped then we rely on the context lines to apply subsequent hunks in the right place. While this works most of the time it is possible for hunks to end up being applied in the wrong place. To fix this adjust the offset of subsequent hunks to correct for any change in the number of insertions or deletions due to the skipped hunk. The change in offset due to edited hunks that have the number of insertions or deletions changed is ignored here, it will be fixed in the next commit. Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-03-01t3701: add failing test for pathological context linesLibravatar Phillip Wood1-0/+30
When a hunk is skipped by add -i the offsets of subsequent hunks are not adjusted to account for any missing insertions due to the skipped hunk. Most of the time this does not matter as apply uses the context lines to apply the subsequent hunks in the correct place, however in pathological cases the context lines will match at the now incorrect offset and the hunk will be applied in the wrong place. The offsets of hunks following an edited hunk that has had the number of insertions or deletions changed also need to be updated in the same way. Add failing tests to demonstrate this. Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk> Signed-off-by: Junio C Hamano <gitster@pobox.com>