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2012-06-19Demonstrate git-show is broken with rangesLibravatar Thomas Rast1-0/+91
The logic of git-show has remained largely unchanged since around 5d7eeee (git-show: grok blobs, trees and tags, too, 2006-12-14): start a revision walker with no_walk=1, look at its pending objects and handle them one-by-one. For commits, this means stuffing them into a new queue all alone, and running the walker. Then Linus's f222abd (Make 'git show' more useful, 2009-07-13) came along and set no_walk=0 whenever the user specifies a range. Which appears to work fine, until you actually prod it hard enough, as the preceding commit shows: UNINTERESTING commits will be marked as such, but not walked further to propagate the marks. Demonstrate this with the main tests of this patch: 'showing a range walks (Y shape)'. The Y shape of history ensures that propagating the UNINTERESTING marks is necessary to correctly exclude the main1 commit. The only example I could find actually requires that the negative revisions are listed later, and in this scenario a dotted range actually works. However, it is easy to find examples in git.git where a dotted range is wrong, e.g. $ git show v1.7.0..v1.7.1 | grep ^commit | wc -l 1297 $ git rev-list v1.7.0..v1.7.1 | wc -l 702 While there, also test a few other things that are not covered so far: the -N way of triggering a range (added in 5853cae, DWIM 'git show -5' to 'git show --do-walk -5', 2010-06-01), and the interactions of tags, commits and ranges. Pointed out by Dr_Memory on #git. Signed-off-by: Thomas Rast <trast@student.ethz.ch> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-04-26Git 1.7.8.6Libravatar Junio C Hamano4-3/+27
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-04-26Sync with 1.7.7.7Libravatar Junio C Hamano3-2/+16
2012-04-26Git 1.7.7.7Libravatar Junio C Hamano4-3/+18
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-04-26bundle: remove stray single-quote from error messageLibravatar Jonathan Nieder1-1/+1
After running rev-list --boundary to retrieve the list of boundary commits, "git bundle create" runs its own revision walk. If in this stage git encounters an unfamiliar option, it writes a message with an unbalanced quotation mark: error: unrecognized argument: --foo' Drop the stray quote to match the "unrecognized argument: %s" message used elsewhere and save translators some work. This is mostly a futureproofing measure: for now, the "rev-list --boundary" command catches most strange arguments on its own and the above message is not seen unless you try something esoteric like "git bundle create test.bundle --header HEAD". Reported-by: Junio C Hamano <gitster@pobox.com> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-04-09Merge branch 'jc/maint-verify-objects-remove-pessimism' into maint-1.7.8Libravatar Junio C Hamano1-4/+4
* jc/maint-verify-objects-remove-pessimism: fetch/receive: remove over-pessimistic connectivity check
2012-04-09Merge branch 'dw/gitweb-doc-grammo' into maint-1.7.8Libravatar Junio C Hamano1-2/+2
* dw/gitweb-doc-grammo: Documentation/gitweb: trivial English fixes
2012-04-09Merge branch 'tr/cache-tree' into maint-1.7.8Libravatar Junio C Hamano10-11/+142
* tr/cache-tree: t0090: be prepared that 'wc -l' writes leading blanks reset: update cache-tree data when appropriate commit: write cache-tree data when writing index anyway Refactor cache_tree_update idiom from commit Test the current state of the cache-tree optimization Add test-scrap-cache-tree
2012-04-09Merge branch 'cb/maint-t5541-make-server-port-portable' into maint-1.7.8Libravatar Junio C Hamano2-4/+33
* cb/maint-t5541-make-server-port-portable: t5541: check error message against the real port number used remote-curl: Fix push status report when all branches fail
2012-04-09Merge branch 'cn/maint-rev-list-doc' into maint-1.7.8Libravatar Junio C Hamano1-6/+6
* cn/maint-rev-list-doc: Documentation: use {asterisk} in rev-list-options.txt when needed
2012-04-09Merge branch 'tr/maint-bundle-boundary' into maint-1.7.8Libravatar Junio C Hamano2-23/+36
* tr/maint-bundle-boundary: bundle: keep around names passed to add_pending_object() t5510: ensure we stay in the toplevel test dir t5510: refactor bundle->pack conversion
2012-04-09Merge branch 'tr/maint-bundle-long-subject' into maint-1.7.8Libravatar Junio C Hamano5-51/+67
* tr/maint-bundle-long-subject: t5704: match tests to modern style strbuf: improve strbuf_get*line documentation bundle: use a strbuf to scan the log for boundary commits bundle: put strbuf_readline_fd in strbuf.c with adjustments
2012-04-09Merge branch 'ph/rerere-doc' into maint-1.7.8Libravatar Junio C Hamano1-7/+12
* ph/rerere-doc: rerere: Document 'rerere remaining'
2012-03-23Documentation/gitweb: trivial English fixesLibravatar D Waitzman1-2/+2
Change "it's" to "its" where a possessive is intended. Also add two missing "the" that were noticed by Ben Walton. Signed-off-by: David Waitzman <djw@bbn.com>
2012-03-20Merge branch 'ks/sort-wildcard-in-makefile' into maint-1.7.8Libravatar Junio C Hamano1-3/+3
* ks/sort-wildcard-in-makefile: t/Makefile: Use $(sort ...) explicitly where needed
2012-03-20Merge branch 'jc/advise-i18n' into maint-1.7.8Libravatar Junio C Hamano2-12/+20
* jc/advise-i18n: i18n of multi-line advice messages
2012-03-20Merge branch 'jn/gitweb-unspecified-action' into maint-1.7.8Libravatar Junio C Hamano2-1/+11
* jn/gitweb-unspecified-action: gitweb: Fix actionless dispatch for non-existent objects
2012-03-15fetch/receive: remove over-pessimistic connectivity checkLibravatar Junio C Hamano1-4/+4
Git 1.7.8 introduced an object and history re-validation step after "fetch" or "push" causes new history to be added to a receiving repository. This is to protect a malicious server or pushing client from corrupting the repository by taking advantage of an existing corrupt object that is unconnected to existing history. But this check is way over-pessimistic. During "fetch" or "receive-pack" (the server side of "push"), unpack-objects and index-pack already validate individual objects that are received, and the only thing we would want to catch are corrupted objects that already happen to exist in our repository but are not referenced from our refs. Such objects must have been written by an earlier run of our codepaths that write out loose objects or packfiles, and they must have done the validation of individual objects when they did so. The only thing left to worry about is the connectivity integrity, which can be checked with "rev-list --objects", which is much cheaper. We have been paying the 5x to 8x runtime overhead the --verify-objects often adds for no real gain. Revert check_everything_connected() not to use this over-pessimistic check. Credit goes to Nguyễn Thái Ngọc Duy, who originally identified the performance regression and endured multiple rounds of reviews to fix it. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-03-08rerere: Document 'rerere remaining'Libravatar Phil Hord1-7/+12
This adds the 'remaining' command to the documentation of 'git rerere'. This command was added in ac49f5ca (Feb 16 2011; Martin von Zweigbergk <martin.von.zweigbergk@gmail.com>) but it was never documented. Touch up the other rerere commands to reduce noise. First noticed by Vincent van Ravesteijn. Signed-off-by: Phil Hord <phil.hord@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-03-06Merge branch 'maint-1.7.7' into maint-1.7.8Libravatar Junio C Hamano1-0/+3
By Thomas Rast * maint-1.7.7: Document the --histogram diff option
2012-03-06Document the --histogram diff optionLibravatar Thomas Rast1-0/+3
Signed-off-by: Thomas Rast <trast@student.ethz.ch> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-03-01bundle: keep around names passed to add_pending_object()Libravatar Thomas Rast2-1/+16
The 'name' field passed to add_pending_object() is used to later deduplicate in object_array_remove_duplicates(). git-bundle had a bug in this area since 18449ab (git-bundle: avoid packing objects which are in the prerequisites, 2007-03-08): it passed the name of each boundary object in a static buffer. In other words, all that object_array_remove_duplicates() saw was the name of the *last* added boundary object. The recent switch to a strbuf in bc2fed4 (bundle: use a strbuf to scan the log for boundary commits, 2012-02-22) made this slightly worse: we now free the buffer at the end, so it is not even guaranteed that it still points into addressable memory by the time object_array_remove_ duplicates looks at it. On the plus side however, it was now detectable by valgrind. The fix is easy: pass a copy of the string to add_pending_object. Signed-off-by: Thomas Rast <trast@student.ethz.ch> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-03-01t5510: ensure we stay in the toplevel test dirLibravatar Thomas Rast1-8/+10
The last test descended into a subdir without ever re-emerging, which is not so nice to the next test writer. Signed-off-by: Thomas Rast <trast@student.ethz.ch> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-03-01t5510: refactor bundle->pack conversionLibravatar Thomas Rast1-14/+10
It's not so much a conversion as a "strip everything up to and including the first blank line", but it will come in handy again. Signed-off-by: Thomas Rast <trast@student.ethz.ch> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-28Documentation: use {asterisk} in rev-list-options.txt when neededLibravatar Carlos Martín Nieto1-6/+6
Text between two '*' is emphasized in AsciiDoc and makes explanations in rev-list-options.txt on glob-related options very confusing, as the rendered text would be missing two asterisks and the text between them would be emphasized instead. Use '{asterisk}' where needed to make them show up as asterisks in the rendered text. Signed-off-by: Carlos Martín Nieto <cmn@elego.de> Acked-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-26Git 1.7.8.5Libravatar Junio C Hamano3-2/+21
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-26grep -P: Fix matching ^ and $Libravatar Michał Kiedrowicz1-1/+1
When "git grep" is run with -P/--perl-regexp, it doesn't match ^ and $ at the beginning/end of the line. This is because PCRE normally matches ^ and $ at the beginning/end of the whole text, not for each line, and "git grep" passes a large chunk of text (possibly containing many lines) to pcre_exec() and then splits the text into lines. This makes "git grep -P" behave differently from "git grep -E" and also from "grep -P" and "pcregrep": $ cat file a b $ git grep --no-index -P '^ ' file $ git grep --no-index -E '^ ' file file: b $ grep -c -P '^ ' file b $ pcregrep -c '^ ' file b Reported-by: Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> Signed-off-by: Michał Kiedrowicz <michal.kiedrowicz@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-26am: don't infloop for an empty input fileLibravatar Jim Meyering2-1/+11
git-am.sh's check_patch_format function would attempt to preview the patch to guess its format, but would go into an infinite loop when the patch file happened to be empty. The solution: exit the loop when "read" fails, not when the line var, "$l1" becomes empty. Signed-off-by: Jim Meyering <meyering@redhat.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-26rebase -m: only call "notes copy" when rewritten exists and is non-emptyLibravatar Andrew Wong1-4/+7
This prevents a shell error complaining rebase-merge/rewritten doesn't exist. Signed-off-by: Andrew Wong <andrew.kw.w@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-26Makefile: add thread-utils.h to LIB_HLibravatar Dmitry V. Levin1-0/+1
Starting with commit v1.7.8-165-g0579f91, grep.h includes thread-utils.h, so the latter has to be added to LIB_H. Signed-off-by: Dmitry V. Levin <ldv@altlinux.org> Acked-by: Thomas Rast <trast@student.ethz.ch> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-23t5704: match tests to modern styleLibravatar Thomas Rast1-25/+8
The test did not adhere to the current style on several counts: . empty lines around the test blocks, but within the test string . ': > file' or even just '> file' with an extra space . inconsistent indentation . hand-rolled commits instead of using test_commit Fix all of them. There's a catch to the last point: test_commit creates a tag, which the original test did not create. We still change it to test_commit, and explicitly delete the tags, so as to highlight that the test relies on not having them. Signed-off-by: Thomas Rast <trast@student.ethz.ch> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-23strbuf: improve strbuf_get*line documentationLibravatar Thomas Rast1-1/+17
Clarify strbuf_getline() documentation, and add the missing documentation for strbuf_getwholeline() and strbuf_getwholeline_fd(). Signed-off-by: Thomas Rast <trast@student.ethz.ch> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-23bundle: use a strbuf to scan the log for boundary commitsLibravatar Thomas Rast2-7/+24
The first part of the bundle header contains the boundary commits, and could be approximated by # v2 git bundle $(git rev-list --pretty=oneline --boundary <ARGS> | grep ^-) git-bundle actually spawns exactly this rev-list invocation, and does the grepping internally. There was a subtle bug in the latter step: it used fgets() with a 1024-byte buffer. If the user has sufficiently long subjects (e.g., by not adhering to the git oneline-subject convention in the first place), the 'oneline' format can easily overflow the buffer. fgets() then returns the rest of the line in the next call(s). If one of these remaining parts started with '-', git-bundle would mistakenly insert it into the bundle thinking it was a boundary commit. Fix it by using strbuf_getwholeline() instead, which handles arbitrary line lengths correctly. Note that on the receiving side in parse_bundle_header() we were already using strbuf_getwholeline_fd(), so that part is safe. Reported-by: Jannis Pohlmann <jannis.pohlmann@codethink.co.uk> Signed-off-by: Thomas Rast <trast@student.ethz.ch> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-22bundle: put strbuf_readline_fd in strbuf.c with adjustmentsLibravatar Thomas Rast3-19/+19
The comment even said that it should eventually go there. While at it, match the calling convention and name of the function to the strbuf_get*line family. So it now is strbuf_getwholeline_fd. Signed-off-by: Thomas Rast <trast@student.ethz.ch> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-13t5541: check error message against the real port number usedLibravatar Clemens Buchacher1-1/+1
Otherwise the test cannot be run with custom port set to LIB_HTTPD_PORT. Signed-off-by: Clemens Buchacher <drizzd@aon.at> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-05Sync with 1.7.6.6Libravatar Junio C Hamano2-24/+2
* maint-1.7.7: Git 1.7.6.6 imap-send: remove dead code
2012-02-05Sync with 1.7.6.6Libravatar Junio C Hamano2-24/+2
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-05Git 1.7.6.6Libravatar Junio C Hamano2-2/+3
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-05imap-send: remove dead codeLibravatar Jeff King1-23/+0
The imap-send code was adapted from another project, and still contains many unused bits of code. One of these bits contains a type "struct string_list" which bears no resemblence to the "struct string_list" we use elsewhere in git. This causes the compiler to complain if git's string_list ever becomes part of cache.h. Let's just drop the dead code. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-01-22t/Makefile: Use $(sort ...) explicitly where neededLibravatar Kirill Smelkov1-3/+3
Starting from GNU Make 3.82 $(wildcard ...) no longer sorts the result (from NEWS): * WARNING: Backward-incompatibility! Wildcards were not documented as returning sorted values, but the results have been sorted up until this release.. If your makefiles require sorted results from wildcard expansions, use the $(sort ...) function to request it explicitly. http://repo.or.cz/w/make.git/commitdiff/2a59dc32aaf0681dec569f32a9d7ab88a379d34f I usually watch test progress visually, and if tests are sorted, even with make -j4 they go more or less incrementally by their t number. On the other side, without sorting, tests are executed in seemingly random order even for -j1. Let's please maintain sane tests order for perceived prettyness. Another note is that in GNU Make sort also works as uniq, so after sort being removed, we might expect e.g. $(wildcard *.sh a.*) to produce duplicates for e.g. "a.sh". From this point of view, adding sort could be seen as hardening t/Makefile from accidentally introduced dups. It turned out that prevous releases of GNU Make did not perform full sort in $(wildcard), only sorting results for each pattern, that's why explicit sort-as-uniq is relevant even for older makes. Signed-off-by: Kirill Smelkov <kirr@navytux.spb.ru> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-01-20remote-curl: Fix push status report when all branches failLibravatar Shawn O. Pearce2-4/+33
The protocol between transport-helper.c and remote-curl requires remote-curl to always print a blank line after the push command has run. If the blank line is ommitted, transport-helper kills its container process (the git push the user started) with exit(128) and no message indicating a problem, assuming the helper already printed reasonable error text to the console. However if the remote rejects all branches with "ng" commands in the report-status reply, send-pack terminates with non-zero status, and in turn remote-curl exited with non-zero status before outputting the blank line after the helper status printed by send-pack. No error messages reach the user. This caused users to see the following from git push over HTTP when the remote side's update hook rejected the branch: $ git push http://... master Counting objects: 4, done. Delta compression using up to 6 threads. Compressing objects: 100% (2/2), done. Writing objects: 100% (3/3), 301 bytes, done. Total 3 (delta 0), reused 0 (delta 0) $ Always print a blank line after the send-pack process terminates, ensuring the helper status report (if it was output) will be correctly parsed by the calling transport-helper.c. This ensures the helper doesn't abort before the status report can be shown to the user. Signed-off-by: Shawn O. Pearce <spearce@spearce.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-01-18Git 1.7.8.4Libravatar Junio C Hamano3-3/+9
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-01-18Merge branch 'maint-1.7.7' into maintLibravatar Junio C Hamano3-0/+14
* maint-1.7.7: Git 1.7.7.6 diff-index: enable recursive pathspec matching in unpack_trees Conflicts: GIT-VERSION-GEN
2012-01-18Git 1.7.7.6Libravatar Junio C Hamano2-1/+5
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-01-18diff-index: enable recursive pathspec matching in unpack_treesLibravatar Nguyen Thai Ngoc Duy2-0/+10
The pathspec structure has a few bits of data to drive various operation modes after we unified the pathspec matching logic in various codepaths. For example, max_depth field is there so that "git grep" can limit the output for files found in limited depth of tree traversal. Also in order to show just the surface level differences in "git diff-tree", recursive field stops us from descending into deeper level of the tree structure when it is set to false, and this also affects pathspec matching when we have wildcards in the pathspec. The diff-index has always wanted the recursive behaviour, and wanted to match pathspecs without any depth limit. But we forgot to do so when we updated tree_entry_interesting() logic to unify the pathspec matching logic. Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-01-12Update draft release notes to 1.7.8.4Libravatar Junio C Hamano1-0/+5
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-01-12Merge branch 'maint-1.7.7' into maintLibravatar Junio C Hamano3-2/+17
* maint-1.7.7: Update draft release notes to 1.7.7.6 Update draft release notes to 1.7.6.6 thin-pack: try harder to use preferred base objects as base
2012-01-12Update draft release notes to 1.7.7.6Libravatar Junio C Hamano1-0/+5
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-01-12Merge branch 'maint-1.7.6' into maint-1.7.7Libravatar Junio C Hamano2-2/+12
* maint-1.7.6: Update draft release notes to 1.7.6.6 thin-pack: try harder to use preferred base objects as base
2012-01-12Update draft release notes to 1.7.6.6Libravatar Junio C Hamano1-0/+5
Signed-off-by: Junio C Hamano <gitster@pobox.com>