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2013-06-23fast-import: allow moving the root treeLibravatar John Keeping1-1/+1
Because fast-import.c::tree_content_remove does not check for the empty path, it is not possible to move the root tree to a subdirectory. Instead the error "Path not in branch" is produced (note the double space where the empty path has been inserted). Fix this by explicitly checking for the empty path and handling it. Signed-off-by: John Keeping <john@keeping.me.uk> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-06-23fast-import: allow ls or filecopy of the root treeLibravatar John Keeping1-2/+2
Commit 178e1de (fast-import: don't allow 'ls' of path with empty components, 2012-03-09) restricted paths which: . contain an empty directory component (e.g. foo//bar is invalid), . end with a directory separator (e.g. foo/ is invalid), . start with a directory separator (e.g. /foo is invalid). However, the implementation also caught the empty path, which should represent the root tree. Relax this restriction so that the empty path is explicitly allowed and refers to the root tree. Reported-by: Dave Abrahams <dave@boostpro.com> Signed-off-by: John Keeping <john@keeping.me.uk> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-06-23t9300: document fast-import empty path issuesLibravatar John Keeping1-0/+65
When given an empty path, fast-import sometimes reports "missing" instead of using the root tree object. On top of this, for "ls" and file copy (but not move) it dies with "Empty path component found in input". Document this behaviour with failing test cases. Reported-by: Dave Abrahams <dave@boostpro.com> Signed-off-by: John Keeping <john@keeping.me.uk> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-04-11t: make PIPE a standard test prerequisiteLibravatar Adam Spiers1-8/+0
The 'PIPE' test prerequisite was already defined identically by t9010 and t9300, therefore it makes sense to make it a predefined prerequisite. Signed-off-by: Adam Spiers <git@adamspiers.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-07-09Merge branch 'vr/use-our-perl-in-tests'Libravatar Junio C Hamano1-1/+1
Some implementations of Perl terminates "lines" with CRLF even when the script is operating on just a sequence of bytes. Make sure to use "$PERL_PATH", the version of Perl the user told Git to use, in our tests to avoid unnecessary breakages in tests. * vr/use-our-perl-in-tests: t/README: add a bit more Don'ts tests: enclose $PERL_PATH in double quotes t/test-lib.sh: export PERL_PATH for use in scripts t: Replace 'perl' by $PERL_PATH
2012-06-24tests: enclose $PERL_PATH in double quotesLibravatar Junio C Hamano1-1/+1
Otherwise it will be split at a space after "Program" when it is set to "\\Program Files\perl" or something silly like that. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-06-22Documentation: Fix misspellingsLibravatar Leila Muhtasib1-1/+1
Signed-off-by: Leila Muhtasib <muhtasib@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-06-12t: Replace 'perl' by $PERL_PATHLibravatar Vincent van Ravesteijn1-1/+1
GIT-BUILD-OPTIONS defines PERL_PATH to be used in the test suite. Only a few tests already actually use this variable when perl is needed. The other test just call 'perl' and it might happen that the wrong perl interpreter is used. This becomes problematic on Windows, when the perl interpreter that is compiled and installed on the Windows system is used, because this perl interpreter might introduce some unexpected LF->CRLF conversions. This patch makes sure that $PERL_PATH is used everywhere in the test suite and that the correct perl interpreter is used. Signed-off-by: Vincent van Ravesteijn <vfr@lyx.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-05-20Consistently use "superproject" instead of "supermodule"Libravatar Jens Lehmann1-1/+1
We fairly consistently say "superproject" and never "supermodule" these days. But there are seven occurrences of "supermodule" left in the current work tree. Three appear in Release Notes for 1.5.3 and 1.7.7, three in test names and one in a C-code comment. Replace all occurrences of "supermodule" outside of the Release Notes (which shouldn't be changed after the fact) with "superproject" for consistency. Signed-off-by: Jens Lehmann <Jens.Lehmann@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-05-11Merge branch 'js/fast-import-test-9300' into maintLibravatar Junio C Hamano1-34/+54
By Johannes Sixt * js/fast-import-test-9300: t9300-fast-import: avoid 'exit' in test_expect_success snippets
2012-04-20t9300-fast-import: avoid 'exit' in test_expect_success snippetsLibravatar Johannes Sixt1-34/+54
Exiting from a for-loop early using '|| break' does not propagate the failure code, and for this reason, the tests used just 'exit'. But this ends the test script with 'FATAL: Unexpected exit code 1' in the case of a failed test. Fix this by moving the loop into a shell function, from which we can simply return early. While at it, modernize the style of the affected test cases. Signed-off-by: Johannes Sixt <j6t@kdbg.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-04-10fast-import: tighten parsing of datarefsLibravatar Pete Wyckoff1-0/+287
The syntax for the use of mark references in fast-import demands either a SP (space) or LF (end-of-line) after a mark reference. Fast-import does not complain when garbage appears after a mark reference in some cases. Factor out parsing of mark references and complain if errant characters are found. Also be a little more careful when parsing "inline" and SHA1s, complaining if extra characters appear or if the form of the dataref is unrecognized. Buggy input can cause fast-import to produce the wrong output, silently, without error. This makes it difficult to track down buggy generators of fast-import streams. An example is seen in the last line of this commit command: commit refs/heads/S2 committer Name <name@example.com> 1112912893 -0400 data <<COMMIT commit message COMMIT from :1M 100644 :103 hello.c It is missing a newline and should be: [...] from :1 M 100644 :103 hello.c What fast-import does is to produce a commit with the same contents for hello.c as in refs/heads/S2^. What the buggy program was expecting was the contents of blob :103. While the resulting commit graph looked correct, the contents in some commits were wrong. Signed-off-by: Pete Wyckoff <pw@padd.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-03-26Merge branch 'jn/maint-fast-import-empty-ls' into maintLibravatar Junio C Hamano1-0/+39
* jn/maint-fast-import-empty-ls: fast-import: don't allow 'ls' of path with empty components fast-import: leakfix for 'ls' of dirty trees
2012-03-16Merge "two fixes for fast-import's 'ls' command" from JonathanLibravatar Junio C Hamano1-0/+39
Andrew Sayers noticed that the svn-fe | git fast-import pipeline mishandles a subversion history that copies the root directory to a sub-directory (e.g. doing `svn cp . trunk` to standardise your layout). As David Barr explained, the bug arises when the following command is sent to git fast-import: 'ls' SP ':1' SP LF Instead of reading back what is at the root of r1, it unconditionally reports the path as missing. After sleeping on it, here are two patches for 'maint'. One plugs a memory leak. The other ensures that trying to pass an empty path to the 'ls' command results in an error message that can help the frontend author instead of the silently broken conversion Andrew found. Then we can carefully add 'ls ""' support in 1.7.11. * commit 'refs/pull-request-tags/jn/maint-fast-import-empty-ls': fast-import: don't allow 'ls' of path with empty components fast-import: leakfix for 'ls' of dirty trees
2012-03-09fast-import: don't allow 'ls' of path with empty componentsLibravatar Jonathan Nieder1-0/+39
As the fast-import manual explains: The value of <path> must be in canonical form. That is it must not: . contain an empty directory component (e.g. foo//bar is invalid), . end with a directory separator (e.g. foo/ is invalid), . start with a directory separator (e.g. /foo is invalid), Unfortunately the "ls" command accepts these invalid syntaxes and responds by declaring that the indicated path is missing. This is too subtle and causes importers to silently misbehave; better to error out so the operator knows what's happening. The C, R, and M commands already error out for such paths. Reported-by: Andrew Sayers <andrew-git@pileofstuff.org> Analysis-by: David Barr <davidbarr@google.com> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
2011-10-14t9300: do not run --cat-blob-fd related tests on MinGWLibravatar Johannes Schindelin1-4/+4
As diagnosed by Johannes Sixt, msys.dll does not hand through file descriptors > 2 to child processes, so these test cases cannot passes when run through an MSys bash. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-09-22fast-import: don't allow to note on empty branchLibravatar Dmitry Ivankov1-0/+17
'reset' command makes fast-import start a branch from scratch. It's name is kept in lookup table but it's sha1 is null_sha1 (special value). 'notemodify' command can be used to add a note on branch head given it's name. lookup_branch() is used it that case and it doesn't check for null_sha1. So fast-import writes a note for null_sha1 object instead of giving a error. Add a check to deny adding a note on empty branch and add a corresponding test. Signed-off-by: Dmitry Ivankov <divanorama@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-09-22fast-import: don't allow to tag empty branchLibravatar Dmitry Ivankov1-0/+12
'reset' command makes fast-import start a branch from scratch. It's name is kept in lookup table but it's sha1 is null_sha1 (special value). 'tag' command can be used to tag a branch by it's name. lookup_branch() is used it that case and it doesn't check for null_sha1. So fast-import writes a tag for null_sha1 object instead of giving a error. Add a check to deny tagging an empty branch and add a corresponding test. Signed-off-by: Dmitry Ivankov <divanorama@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-08-28Merge branch 'di/fast-import-tagging'Libravatar Junio C Hamano1-0/+67
* di/fast-import-tagging: fast-import: allow to tag newly created objects fast-import: add tests for tagging blobs
2011-08-28Merge branch 'di/fast-import-deltified-tree'Libravatar Junio C Hamano1-0/+41
* di/fast-import-deltified-tree: fast-import: prevent producing bad delta fast-import: add a test for tree delta base corruption
2011-08-28Merge branch 'di/fast-import-ident'Libravatar Junio C Hamano1-0/+99
* di/fast-import-ident: fsck: improve committer/author check fsck: add a few committer name tests fast-import: check committer name more strictly fast-import: don't fail on omitted committer name fast-import: add input format tests
2011-08-25Merge branch 'di/fast-import-doc'Libravatar Junio C Hamano1-0/+47
* di/fast-import-doc: doc/fast-import: document feature import-marks-if-exists
2011-08-23fast-import: allow to tag newly created objectsLibravatar Dmitry Ivankov1-0/+26
fast-import allows to tag objects by sha1 and to query sha1 of objects being imported. So it should allow to tag these objects, make it do so. Signed-off-by: Dmitry Ivankov <divanorama@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-08-23fast-import: add tests for tagging blobsLibravatar Dmitry Ivankov1-0/+41
fast-import allows to create an annotated tag that annotates a blob, via mark or direct sha1 specification. For mark it works, for sha1 it tries to read the object. It tries to do so via read_sha1_file, and then checks the size to be at least 46. That's weird, let's just allow to (annotated) tag any object referenced by sha1. If the object originates from our packfile, we still fail though. Signed-off-by: Dmitry Ivankov <divanorama@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-08-17doc/fast-import: document feature import-marks-if-existsLibravatar Dmitry Ivankov1-0/+47
fast-import command-line option --import-marks-if-exists was introduced in commit dded4f1 (fast-import: Introduce --import-marks-if-exists, 2011-01-15) --import-marks option can be set via a "feature" command in a fast-import stream and --import-marks-if-exists had support for such specification from the very beginning too due to some shared codebase. Though the documentation for this feature wasn't written in dded4f1. Add the documentation for "feature import-marks-if-exists=<file>". Also add a minimalistic test for it. Signed-off-by: Dmitry Ivankov <divanorama@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-08-14fast-import: prevent producing bad deltaLibravatar Dmitry Ivankov1-1/+1
To produce deltas for tree objects fast-import tracks two versions of tree's entries - base and current one. Base version stands both for a delta base of this tree, and for a entry inside a delta base of a parent tree. So care should be taken to keep it in sync. tree_content_set cuts away a whole subtree and replaces it with a new one (or NULL for lazy load of a tree with known sha1). It keeps a base sha1 for this subtree (needed for parent tree). And here is the problem, 'subtree' tree root doesn't have the implied base version entries. Adjusting the subtree to include them would mean a deep rewrite of subtree. Invalidating the subtree base version would mean recursive invalidation of parents' base versions. So just mark this tree as do-not-delta me. Abuse setuid bit for this purpose. tree_content_replace is the same as tree_content_set except that is is used to replace the root, so just clearing base sha1 here (instead of setting the bit) is fine. [di: log message] Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Dmitry Ivankov <divanorama@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-08-14fast-import: add a test for tree delta base corruptionLibravatar Dmitry Ivankov1-0/+41
fast-import is able to write imported tree objects in delta format. It holds a tree structure in memory where each tree entry may have a delta base sha1 assigned. When delta base data is needed it is reconstructed from this in-memory structure. Though sometimes the delta base data doesn't match the delta base sha1 so wrong or even corrupt pack is produced. Add a small test that produces a corrupt pack. It uses just tree copy and file modification commands aside from the very basic commit and blob commands. Signed-off-by: Dmitry Ivankov <divanorama@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-08-11fast-import: check committer name more strictlyLibravatar Dmitry Ivankov1-5/+5
The documentation declares following identity format: (<name> SP)? LT <email> GT where name is any string without LF and LT characters. But fast-import just accepts any string up to first GT instead of checking the whole format, and moreover just writes it as is to the commit object. git-fsck checks for [^<\n]* <[^<>\n]*> format. Note that the space is mandatory. And the space quirk is already handled via extending the string to the left when needed. Modify fast-import input identity format to a slightly stricter one - deny LF, LT and GT in both <name> and <email>. And check for it. This is stricter then git-fsck as fsck accepts "Name> <email>" currently, but soon fsck check will be adjusted likewise. Signed-off-by: Dmitry Ivankov <divanorama@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-08-11fast-import: don't fail on omitted committer nameLibravatar Dmitry Ivankov1-1/+1
fast-import format declares 'committer_name SP' to be optional in 'committer_name SP LT email GT'. But for a (commit) object SP is obligatory while zero length committer_name is ok. git-fsck checks that SP is present, so fast-import must prepend it if the name SP part is omitted. It doesn't do so and thus for "LT email GT" ident it writes a bad object. Name cannot contain LT or GT, ident always comes after SP in fast-import. So if ident starts with LT reuse the SP as if a valid 'SP LT email GT' ident was passed. This fixes a ident parsing bug for a well-formed fast-import input. Though the parsing is still loose and can accept a ill-formed input. Signed-off-by: Dmitry Ivankov <divanorama@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-08-11fast-import: add input format testsLibravatar Dmitry Ivankov1-0/+99
Documentation/git-fast-import.txt says that git-fast-import is strict about it's input format. But committer/author field parsing is a bit loose. Invalid values can be unnoticed and written out to the commit, either with format-conforming input or with non-format-conforming one. Add one passing and one failing test for empty/absent committer name with well-formed input. And a failed test with unnoticed ill-formed input. Reported-by: SASAKI Suguru <sss.sonik@gmail.com> Signed-off-by: Dmitry Ivankov <divanorama@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-08-01Merge branch 'sr/transport-helper-fix'Libravatar Junio C Hamano1-0/+42
* sr/transport-helper-fix: (21 commits) transport-helper: die early on encountering deleted refs transport-helper: implement marks location as capability transport-helper: Use capname for refspec capability too transport-helper: change import semantics transport-helper: update ref status after push with export transport-helper: use the new done feature where possible transport-helper: check status code of finish_command transport-helper: factor out push_update_refs_status fast-export: support done feature fast-import: introduce 'done' command git-remote-testgit: fix error handling git-remote-testgit: only push for non-local repositories remote-curl: accept empty line as terminator remote-helpers: export GIT_DIR variable to helpers git_remote_helpers: push all refs during a non-local export transport-helper: don't feed bogus refs to export push git-remote-testgit: import non-HEAD refs t5800: document some non-functional parts of remote helpers t5800: use skip_all instead of prereq t5800: factor out some ref tests ...
2011-07-19fast-import: introduce 'done' commandLibravatar Sverre Rabbelier1-0/+42
Add a 'done' command that causes fast-import to stop reading from the stream and exit. If the new --done command line flag was passed on the command line (or a "feature done" declaration included at the start of the stream), make the 'done' command mandatory. So "git fast-import --done"'s input format will be prefix-free, making errors easier to detect when they show up as early termination at some convenient time of the upstream of a pipe writing to fast-import. Another possible application of the 'done' command would to be allow a fast-import stream that is only a small part of a larger encapsulating stream to be easily parsed, leaving the file offset after the "done\n" so the other application can pick up from there. This patch does not teach fast-import to do that --- fast-import still uses buffered input (stdio). Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Sverre Rabbelier <srabbelier@gmail.com> Acked-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-06-16Fix typo: existant->existentLibravatar Dmitry Ivankov1-2/+2
refs.c had a error message "Trying to write ref with nonexistant object". And no tests relied on the wrong spelling. Also typo was present in some test scripts internals, these tests still pass. Signed-off-by: Dmitry Ivankov <divanorama@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-02-26fast-import: add 'ls' commandLibravatar David Barr1-8/+84
Lazy fast-import frontend authors that want to rely on the backend to keep track of the content of the imported trees _almost_ have what they need in the 'cat-blob' command (v1.7.4-rc0~30^2~3, 2010-11-28). But it is not quite enough, since (1) cat-blob can be used to retrieve the content of files, but not their mode, and (2) using cat-blob requires the frontend to keep track of a name (mark number or object id) for each blob to be retrieved Introduce an 'ls' command to complement cat-blob and take care of the remaining needs. The 'ls' command finds what is at a given path within a given tree-ish (tag, commit, or tree): 'ls' SP <dataref> SP <path> LF or in fast-import's active commit: 'ls' SP <path> LF The response is a single line sent through the cat-blob channel, imitating ls-tree output. So for example: FE> ls :1 Documentation gfi> 040000 tree 9e6c2b599341d28a2a375f8207507e0a2a627fe9 Documentation FE> ls 9e6c2b599341d28a2a375f8207507e0a2a627fe9 git-fast-import.txt gfi> 100644 blob 4f92954396e3f0f97e75b6838a5635b583708870 git-fast-import.txt FE> ls :1 RelNotes gfi> 120000 blob b942e499449d97aeb50c73ca2bdc1c6e6d528743 RelNotes FE> cat-blob b942e499449d97aeb50c73ca2bdc1c6e6d528743 gfi> b942e499449d97aeb50c73ca2bdc1c6e6d528743 blob 32 gfi> Documentation/RelNotes/1.7.4.txt The most interesting parts of the reply are the first word, which is a 6-digit octal mode (regular file, executable, symlink, directory, or submodule), and the part from the second space to the tab, which is a <dataref> that can be used in later cat-blob, ls, and filemodify (M) commands to refer to the content (blob, tree, or commit) at that path. If there is nothing there, the response is "missing some/path". The intent is for this command to be used to read files from the active commit, so a frontend can apply patches to them, and to copy files and directories from previous revisions. For example, proposed updates to svn-fe use this command in place of its internal representation of the repository directory structure. This simplifies the frontend a great deal and means support for resuming an import in a separate fast-import run (i.e., incremental import) is basically free. Signed-off-by: David Barr <david.barr@cordelta.com> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Improved-by: Junio C Hamano <gitster@pobox.com> Improved-by: Sverre Rabbelier <srabbelier@gmail.com>
2011-02-09Merge branch 'rr/fi-import-marks-if-exists'Libravatar Junio C Hamano1-0/+55
* rr/fi-import-marks-if-exists: fast-import: Introduce --import-marks-if-exists
2011-01-27Merge branch 'maint'Libravatar Junio C Hamano1-0/+42
* maint: rebase -i: clarify in-editor documentation of "exec" tests: sanitize more git environment variables fast-import: treat filemodify with empty tree as delete rebase: give a better error message for bogus branch rebase: use explicit "--" with checkout Conflicts: t/t9300-fast-import.sh
2011-01-27Merge branch 'jn/fast-import-empty-tree-removal' into maintLibravatar Junio C Hamano1-0/+42
* jn/fast-import-empty-tree-removal: fast-import: treat filemodify with empty tree as delete
2011-01-27fast-import: treat filemodify with empty tree as deleteLibravatar Jonathan Nieder1-0/+42
Normal git processes do not allow one to build a tree with an empty subtree entry without trying hard at it. This is in keeping with the general UI philosophy: git tracks content, not empty directories. v1.7.3-rc0~75^2 (2010-06-30) changed that by making it easy to include an empty subtree in fast-import's active commit: M 040000 4b825dc642cb6eb9a060e54bf8d69288fbee4904 subdir One can trigger this by reading an empty tree (for example, the tree corresponding to an empty root commit) and trying to move it to a subtree. It is better and more closely analogous to 'git read-tree --prefix' to treat such commands as requests to remove the subtree. Noticed-by: David Barr <david.barr@cordelta.com> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-01-18fast-import: Introduce --import-marks-if-existsLibravatar Ramkumar Ramachandra1-0/+55
When a frontend uses a marks file to ensure its state persists between runs, it may represent "clean slate" when bootstrapping with "no marks yet". In such a case, feeding the last state with --import-marks and saving the state after the current run with --export-marks would be a natural thing to do. The --import-marks option however errors out when the specified marks file doesn't exist; this makes bootstrapping a bit difficult. The location of the marks file becomes backend-dependent when --relative-marks is in effect, and the frontend cannot check for the existence of the file in such a case. The --import-marks-if-exists option does the same thing as --import-marks but does not flag an error if the named file does not exist yet to help these frontends. Helped-by: Junio C Hamano <gitster@pobox.com> Helped-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Ramkumar Ramachandra <artagnon@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-12-19t9300: use perl "head -c" clone in place of "dd bs=1 count=16000" klugeLibravatar Jonathan Nieder1-35/+49
It is unfortunate to have to issue thousands of one-byte read calls to work around dd's refusal to buffer input that would fill a block after a short read (a3a6f4, 2010-12-13). We could do better by using "head -c", if it were available on all platforms we cared about. Replace it with some simple perl. While doing so, restructure 9300.114 to use a subshell instead of a script. Subshells can inherit functions (like the new head_c) from the parent shell while external scripts cannot. Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-12-16Merge branch 'jn/fast-import-blob-access'Libravatar Junio C Hamano1-2/+265
* jn/fast-import-blob-access: t9300: avoid short reads from dd t9300: remove unnecessary use of /dev/stdin fast-import: Allow cat-blob requests at arbitrary points in stream fast-import: let importers retrieve blobs fast-import: clarify documentation of "feature" command fast-import: stricter parsing of integer options Conflicts: fast-import.c
2010-12-12t9300: avoid short reads from ddLibravatar Jonathan Nieder1-3/+3
dd is a thin wrapper around read(2). As open group Issue 7 explains: It shall read the input one block at a time, using the specified input block size; it shall then process the block of data actually returned, which could be smaller than the requested block size. Any short read --- for example from a pipe whose capacity cannot fill a block --- results in that block being truncated. As a result, the first cat-blob test (9300.114) fails on Mac OS X, where the pipe capacity is around 8 KiB. Fix the test by using a block size of 1. Each read will block until the next byte of input is available. It would be even nicer to use head -c which expresses the intention more clearly. Alas, IRIX "head" does not support the -c option. Reported-by: Brian Gernhardt <brian@gernhardtsoftware.com> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-12-03t9300: remove unnecessary use of /dev/stdinLibravatar Junio C Hamano1-3/+3
We really shouldn't be using these funny /dev/* files that did not exist in V7 UNIX in our tests when we do not have to. Output from $ git grep -n -e /dev/ --and --not -e /dev/null t/ tells us that, aside from use of /dev/urandom in apache.conf used in http tests, "dd if=/dev/stdin" added recently to t/t9300-fast-import.sh are the only offenders, and "dd" reads from the standard input by default, so removing them should be straightforward. Reported-by: Thomas Rast <trast@student.ethz.ch> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-12-01fast-import: Allow cat-blob requests at arbitrary points in streamLibravatar Jonathan Nieder1-0/+66
The new rule: a "cat-blob" can be inserted wherever a comment is allowed, which means at the start of any line except in the middle of a "data" command. This saves frontends from having to loop over everything they want to commit in the next commit and cat-ing the necessary objects in advance. Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: David Barr <david.barr@cordelta.com> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-12-01fast-import: let importers retrieve blobsLibravatar David Barr1-2/+191
New objects written by fast-import are not available immediately. Until a checkpoint has been started and finishes writing the pack index, any new blobs will not be accessible using standard git tools. So introduce a new way to access them: a "cat-blob" command in the command stream requests for fast-import to print a blob to stdout or a file descriptor specified by the argument to --cat-blob-fd. The value for cat-blob-fd cannot be specified in the stream because that would be a layering violation: the decision of where to direct a stream has to be made when fast-import is started anyway, so we might as well make the stream format is independent of that detail. Output uses the same format as "git cat-file --batch". Thanks to Sverre Rabbelier and Sam Vilain for guidance in designing the protocol. Based-on-patch-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: David Barr <david.barr@cordelta.com> Acked-by: Ramkumar Ramachandra <artagnon@gmail.com> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-12-01fast-import: stricter parsing of integer optionsLibravatar Jonathan Nieder1-0/+8
Check the result from strtoul to avoid accepting arguments like --depth=-1 and --active-branches=foo,bar,baz. Requested-by: Ramkumar Ramachandra <artagnon@gmail.com> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-11-29Merge branch 'jn/fast-import-fix'Libravatar Junio C Hamano1-0/+108
* jn/fast-import-fix: fast-import: do not clear notes in do_change_note_fanout() t9300 (fast-import): another test for the "replace root" feature fast-import: tighten M 040000 syntax fast-import: filemodify after M 040000 <tree> "" crashes
2010-11-24Merge branch 'en/and-cascade-tests'Libravatar Junio C Hamano1-1/+1
* en/and-cascade-tests: (25 commits) t4124 (apply --whitespace): use test_might_fail t3404: do not use 'describe' to implement test_cmp_rev t3404 (rebase -i): introduce helper to check position of HEAD t3404 (rebase -i): move comment to description t3404 (rebase -i): unroll test_commit loops t3301 (notes): use test_expect_code for clarity t1400 (update-ref): use test_must_fail t1502 (rev-parse --parseopt): test exit code from "-h" t6022 (renaming merge): chain test commands with && test-lib: introduce test_line_count to measure files tests: add missing &&, batch 2 tests: add missing && Introduce sane_unset and use it to ensure proper && chaining t7800 (difftool): add missing && t7601 (merge-pull-config): add missing && t7001 (mv): add missing && t6016 (rev-list-graph-simplify-history): add missing && t5602 (clone-remote-exec): add missing && t4026 (color): remove unneeded and unchained command t4019 (diff-wserror): add lots of missing && ... Conflicts: t/t7006-pager.sh
2010-11-09tests: add missing &&Libravatar Jonathan Nieder1-1/+1
Breaks in a test assertion's && chain can potentially hide failures from earlier commands in the chain. Commands intended to fail should be marked with !, test_must_fail, or test_might_fail. The examples in this patch do not require that. Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-10-19t9300 (fast-import): another test for the "replace root" featureLibravatar Jonathan Nieder1-1/+42
Another test for the replace root feature. One can imagine an implementation for which R "some/subdir" "" would free some state associated to the subdir and leave fast-import confused. Luckily, git's is not such an implementation. While at it, change the previous test to use C "some/subdir" "" instead of R (i.e., test both syntaxes). Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>