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2012-07-22Merge branch 'cw/no-detaching-an-unborn' into maintLibravatar Junio C Hamano1-0/+2
"git checkout --detach", when you are still on an unborn branch, should be forbidden, but it wasn't. * cw/no-detaching-an-unborn: git-checkout: disallow --detach on unborn branch
2012-07-11Merge branch 'jc/maint-blame-unique-abbrev' into maintLibravatar Junio C Hamano1-4/+21
"git blame" did not try to make sure that the abbreviated commit object names in its output are unique. * jc/maint-blame-unique-abbrev: blame: compute abbreviation width that ensures uniqueness
2012-07-11Merge branch 'rj/platform-pread-may-be-thread-unsafe' into maintLibravatar Junio C Hamano1-2/+2
On Cygwin, the platform pread(2) is not thread safe, just like our own compat/ emulation, and cannot be used in the index-pack program. Makefile variable NO_THREAD_SAFE_PREAD can be defined to avoid use of this function in a threaded program. * rj/platform-pread-may-be-thread-unsafe: index-pack: Disable threading on cygwin
2012-07-11Merge branch 'nd/clone-single-fix' into maintLibravatar Junio C Hamano1-2/+5
"git clone --single-branch" to clone a single branch did not limit the cloning to the specified branch. * nd/clone-single-fix: clone: fix ref selection in --single-branch --branch=xxx
2012-07-11Merge branch 'hv/submodule-update-nuke-submodules' into maintLibravatar Junio C Hamano1-6/+0
"git add" allows adding a regular file to the path where a submodule used to exist, but "git update-index" did not allow an equivalent operation to Porcelain writers. * hv/submodule-update-nuke-submodules: update-index: allow overwriting existing submodule index entries
2012-07-11Merge branch 'jk/diff-no-index-pager' into maintLibravatar Junio C Hamano1-7/+17
"git diff --no-index" did not work with pagers correctly. * jk/diff-no-index-pager: do not run pager with diff --no-index --quiet fix pager.diff with diff --no-index
2012-07-11Merge branch 'mm/verify-filename-fix' into maintLibravatar Junio C Hamano3-4/+4
"git diff COPYING HEAD:COPYING" gave a nonsense error message that claimed that the treeish HEAD did not have COPYING in it. * mm/verify-filename-fix: verify_filename(): ask the caller to chose the kind of diagnosis sha1_name: do not trigger detailed diagnosis for file arguments
2012-07-11Merge branch 'jc/ls-files-i-dir' into maintLibravatar Junio C Hamano2-7/+22
"git ls-files --exclude=t -i" did not consider anything under t/ as excluded, as it did not pay attention to exclusion of leading paths while walking the index. Other two users of excluded() are also updated. * jc/ls-files-i-dir: dir.c: make excluded() file scope static unpack-trees.c: use path_excluded() in check_ok_to_remove() builtin/add.c: use path_excluded() path_excluded(): update API to less cache-entry centric ls-files -i: micro-optimize path_excluded() ls-files -i: pay attention to exclusion of leading paths
2012-07-02blame: compute abbreviation width that ensures uniquenessLibravatar Junio C Hamano1-4/+21
Julia Lawall noticed that in linux-next repository the commit object 60d5c9f5 (shown with the default abbreviation width baked into "git blame") in output from $ git blame -L 3675,3675 60d5c9f5b -- \ drivers/staging/brcm80211/brcmfmac/wl_iw.c is no longer unique in the repository, which results in "short SHA1 60d5c9f5 is ambiguous". Compute the minimum abbreviation width that ensures uniqueness when the user did not specify the --abbrev option to avoid this. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-06-26index-pack: Disable threading on cygwinLibravatar Junio C Hamano1-2/+2
The Cygwin implementation of pread() is not thread-safe since, just like the emulation provided by compat/pread.c, it uses a sequence of seek-read-seek calls. In order to avoid failues due to thread-safety issues, commit b038a61 disables threading when NO_PREAD is defined. (ie when using the emulation code in compat/pread.c). We introduce a new build variable, NO_THREAD_SAFE_PREAD, which allows use to disable the threaded index-pack code on cygwin, in addition to the above NO_PREAD case. Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-06-26git-checkout: disallow --detach on unborn branchLibravatar Chris Webb1-0/+2
abe199808c (git checkout -b: allow switching out of an unborn branch) introduced a bug demonstrated by git checkout --orphan foo git checkout --detach git symbolic-ref HEAD which gives 'refs/heads/(null)'. This happens because we strbuf_addf(&branch_ref, "refs/heads/%s", opts->new_branch) when opts->new_branch can be NULL for --detach. Catch and forbid this case, adding a test to t2017 to catch it in future. Signed-off-by: Chris Webb <chris@arachsys.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-06-22clone: fix ref selection in --single-branch --branch=xxxLibravatar Nguyễn Thái Ngọc Duy1-2/+5
- do not fetch HEAD - do not also fetch refs following "xxx" Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-06-18verify_filename(): ask the caller to chose the kind of diagnosisLibravatar Matthieu Moy3-4/+4
verify_filename() can be called in two different contexts. Either we just tried to interpret a string as an object name, and it fails, so we try looking for a working tree file (i.e. we finished looking at revs that come earlier on the command line, and the next argument must be a pathname), or we _know_ that we are looking for a pathname, and shouldn't even try interpreting the string as an object name. For example, with this change, we get: $ git log COPYING HEAD:inexistant fatal: HEAD:inexistant: no such path in the working tree. Use '-- <path>...' to specify paths that do not exist locally. $ git log HEAD:inexistant fatal: Path 'inexistant' does not exist in 'HEAD' Signed-off-by: Matthieu Moy <Matthieu.Moy@imag.fr> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-06-17Merge branch 'js/maint-fast-export-mark-error' into maintLibravatar Junio C Hamano1-1/+1
"git fast-export" did not give a readable error message when the same mark erroneously appeared twice in the --import-marks input.
2012-06-15fix pager.diff with diff --no-indexLibravatar Jeff King1-7/+17
git-diff does not rely on the git wrapper to setup its pager; instead, it sets it up on its own after seeing whether --quiet or --exit-code has been specified. After diff_no_index was split off from cmd_diff, commit b3fde6c (git diff --no-index: default to page like other diff frontends, 2008-05-26) duplicated the one-liner from cmd_diff to turn on the pager. Later, commit 8f0359f (Allow pager of diff command be enabled/disabled, 2008-07-21) taught the the version in cmd_diff to respect the pager.diff config, but the version in diff_no_index was left behind. This meant that git -c pager.diff=0 diff a b would not use a pager, but git -c pager.diff=0 diff --no-index a b would. Let's fix it by factoring out a common function. While we're there, let's update the antiquated comment, which claims that the pager interferes with propagating the exit code; this has not been the case since ea27a18 (spawn pager via run_command interface, 2008-07-22). Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-06-12Merge branch 'jc/fmt-merge-msg-people'Libravatar Junio C Hamano1-2/+2
Tone down the lines that credit people involved and make them comments, so that integrators who edit their merge messages can still make use of the information, but lazy ones will not leave the unverified guesses placed on the "via" line. * jc/fmt-merge-msg-people: fmt-merge-msg: make attribution into comment lines
2012-06-12Merge branch 'js/maint-fast-export-mark-error'Libravatar Junio C Hamano1-1/+1
* js/maint-fast-export-mark-error: fast-export: report SHA-1 instead of gibberish when marks exist already
2012-06-11update-index: allow overwriting existing submodule index entriesLibravatar Heiko Voigt1-6/+0
In commit e01105 Linus introduced gitlinks to update-index. He explains that he thinks it is not the right thing to replace a gitlink with something else. That commit is from the very first beginnings of submodule support. Since then we have gotten a lot closer to being able to remove a submodule without losing its history. This check prevents such a use case, so I think this assumption has changed. Additionally in the git add codepath we do not have such a check, so for consistency reasons I think removing this check is the correct thing to do. Signed-off-by: Heiko Voigt <hvoigt@hvoigt.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-06-06fmt-merge-msg: make attribution into comment linesLibravatar Junio C Hamano1-2/+2
The submaintainer credit is not something you can compute purely by looking at the history and its shape, especially in the presense of fast-forward merges, and this observation makes the information on the "via" line unreliable. Let's leave the final determination of credits up to whoever is making the merge and show them as comments. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-06-05builtin/add.c: use path_excluded()Libravatar Junio C Hamano1-1/+5
This only happens in --ignore-missing --dry-run codepath which presumably nobody should care, but is for completeness. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-06-05path_excluded(): update API to less cache-entry centricLibravatar Junio C Hamano1-2/+8
It was stupid of me to make the API too much cache-entry specific; the caller may want to check arbitrary pathname without having a corresponding cache-entry to see if a path is ignored. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-06-03ls-files -i: pay attention to exclusion of leading pathsLibravatar Junio C Hamano1-6/+11
"git ls-files --exclude=t/ -i" does not show paths in directory t/ that have been added to the index, but it should. The excluded() API was designed for callers who walk the tree from the top, checking each level of the directory hierarchy as it descends if it is excluded, and not even bothering to recurse into an excluded directory. This would allow us optimize for a common case by not having to check if the exclude pattern "foo/" matches when looking at "foo/bar", because the caller should have noticed that "foo" is excluded and did not even bother to read "foo/bar" out of opendir()/readdir() to call it. The code for "ls-files -i" however walks the index linearly, feeding paths without checking if the leading directory is already excluded. Introduce a helper function path_excluded() to let this caller properly call excluded() check for higher hierarchies as necessary. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-06-01Merge branch 'rs/maint-grep-F' into maintLibravatar Junio C Hamano1-5/+2
"git grep -e '$pattern'", unlike the case where the patterns are read from a file, did not treat individual lines in the given pattern argument as separate regular expressions as it should. By René Scharfe * rs/maint-grep-F: grep: stop leaking line strings with -f grep: support newline separated pattern list grep: factor out do_append_grep_pat() grep: factor out create_grep_pat()
2012-06-01Merge branch 'ap/checkout-no-progress-for-non-tty' into maintLibravatar Junio C Hamano1-2/+2
"git checkout" gave progress display even when the standard error stream was not connected to the tty, which made little sense. By Avery Pennarun * ap/checkout-no-progress-for-non-tty: checkout: no progress messages if !isatty(2).
2012-06-01i18n: apply: split to fix a partial i18n messageLibravatar Jiang Xin1-4/+12
The 4th arg of "new mode (%o) of %s does not match old mode (%o)%s%s" is blank string or string " of ". Even mark the string " of " for a complete i18n, this message is still hard to translate right. Split it into two slight different messages would make l10n teams happy. Signed-off-by: Jiang Xin <worldhello.net@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-05-29Merge branch 'jk/ident-gecos-strbuf'Libravatar Junio C Hamano6-47/+20
Fixes quite a lot of brokenness when ident information needs to be taken from the system and cleans up the code. By Jeff King * jk/ident-gecos-strbuf: (22 commits) format-patch: do not use bogus email addresses in message ids ident: reject bogus email addresses with IDENT_STRICT ident: rename IDENT_ERROR_ON_NO_NAME to IDENT_STRICT format-patch: use GIT_COMMITTER_EMAIL in message ids ident: let callers omit name with fmt_indent ident: refactor NO_DATE flag in fmt_ident ident: reword empty ident error message format-patch: refactor get_patch_filename ident: trim whitespace from default name/email ident: use a dynamic strbuf in fmt_ident ident: use full dns names to generate email addresses ident: report passwd errors with a more friendly message drop length limitations on gecos-derived names and emails ident: don't write fallback username into git_default_name fmt_ident: drop IDENT_WARN_ON_NO_NAME code format-patch: use default email for generating message ids ident: trim trailing newline from /etc/mailname move git_default_* variables to ident.c move identity config parsing to ident.c fmt-merge-msg: don't use static buffer in record_person ...
2012-05-29Merge branch 'jk/fetch-pack-remove-dups-optim'Libravatar Junio C Hamano1-22/+30
The way "fetch-pack" that is given multiple references to fetch tried to remove duplicates was very inefficient. By Jeff King * jk/fetch-pack-remove-dups-optim: fetch-pack: sort incoming heads list earlier fetch-pack: avoid quadratic loop in filter_refs fetch-pack: sort the list of incoming refs add sorting infrastructure for list refs fetch-pack: avoid quadratic behavior in remove_duplicates fetch-pack: sort incoming heads
2012-05-29Merge branch 'mh/fetch-pack-constness'Libravatar Junio C Hamano1-74/+71
Tighten constness of some local variables in a callchain. By Michael Haggerty * mh/fetch-pack-constness: cmd_fetch_pack(): respect constness of argv parameter cmd_fetch_pack(): combine the loop termination conditions cmd_fetch_pack(): handle non-option arguments outside of the loop cmd_fetch_pack(): declare dest to be const
2012-05-29Merge branch 'ng/pack-objects-cleanup'Libravatar Junio C Hamano1-151/+173
By Nguyễn Thái Ngọc Duy * ng/pack-objects-cleanup: pack-objects: refactor write_object() into helper functions pack-objects, streaming: turn "xx >= big_file_threshold" to ".. > .."
2012-05-25Merge branch 'ap/checkout-no-progress-for-non-tty'Libravatar Junio C Hamano1-2/+2
The progress indicator for a large "git checkout" was sent to stderr even if it is not a terminal.
2012-05-25Merge branch 'rs/maint-grep-F'Libravatar Junio C Hamano1-5/+2
"git grep -e '$pattern'", unlike the case where the patterns are read from a file, did not treat individual lines in the given pattern argument as separate regular expressions as it should.
2012-05-25Sync with 1.7.10.3Libravatar Junio C Hamano1-3/+5
2012-05-25fmt-merge-message: add empty line between tag and signature verificationLibravatar Linus Torvalds1-3/+5
When adding the information from a tag, put an empty line between the message of the tag and the commented-out signature verification information. At least for the kernel workflow, I often end up re-formatting the message that people send me in the tag data. In that situation, putting the tag message and the tag signature verification back-to-back then means that normal editor "reflow parapgraph" command will get confused and think that the signature is a continuation of the last message paragraph. So I always end up having to first add an empty line, and then go back and reflow the last paragraph. Let's just do it in git directly. The extra vertical space also makes the verification visually stand out more from the user-supplied message, so it looks a bit more readable to me too, but that may be just an odd personal preference. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-05-24format-patch: do not use bogus email addresses in message idsLibravatar Jeff King1-1/+1
We can ask git_committer_info to be strict about coming up with an email, which will die automatically on a poorly configured machine. This is better than letting invalid message-ids into the wild. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-05-24Merge branch 'jk/maint-status-porcelain-z-b' into maintLibravatar Junio C Hamano1-68/+67
"git status --porcelain" ignored "--branch" option by mistake. The output for "git status --branch -z" was also incorrect and did not terminate the record for the current branch name with NUL as asked. By Jeff King * jk/maint-status-porcelain-z-b: status: respect "-b" for porcelain format status: fix null termination with "-b" status: refactor null_termination option commit: refactor option parsing
2012-05-24ident: rename IDENT_ERROR_ON_NO_NAME to IDENT_STRICTLibravatar Jeff King5-8/+7
Callers who ask for ERROR_ON_NO_NAME are not so much concerned that the name will be blank (because, after all, we will fall back to using the username), but rather it is a check to make sure that low-quality identities do not end up in things like commit messages or emails (whereas it is OK for them to end up in things like reflogs). When future commits add more quality checks on the identity, each of these callers would want to use those checks, too. Rather than modify each of them later to add a new flag, let's refactor the flag. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-05-24format-patch: use GIT_COMMITTER_EMAIL in message idsLibravatar Jeff King1-1/+2
Before commit 43ae9f4, we generated the tail of a message id by calling git_committer_info and parsing the email out of the result. 43ae9f4 changed to use ident_default_email directly, so we didn't have to bother with parsing. As a side effect, it meant we no longer used GIT_COMMITTER_EMAIL at all. In general, this is probably reasonable behavior. Either the default email is sane on your system, or you are using user.email to provide something sane. The exception is if you rely on GIT_COMMITTER_EMAIL being set all the time to override the bogus generated email. This is unlikely to match anybody's real-life setup, but we do use it in the test environment. And furthermore, it's what we have always done, and the change in 43ae9f4 was about cleaning up, not fixing any bug; we should be conservative and keep the behavior identical. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-05-24checkout: no progress messages if !isatty(2).Libravatar Avery Pennarun1-2/+2
If stderr isn't a tty, we shouldn't be printing incremental progress messages. In particular, this affects 'git checkout -f . >&logfile' unless you provided -q. And git-new-workdir has no way to provide -q. It would probably be better to have progress.c check isatty(2) all the time, but that wouldn't allow things like 'git push --progress' to force progress reporting to on, so I won't try to solve the general case right now. Actual fix suggested by Jeff King. Signed-off-by: Avery Pennarun <apenwarr@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-05-24fetch-pack: sort incoming heads list earlierLibravatar Jeff King1-1/+1
Commit 4435968 started sorting heads fed to fetch-pack so that later commits could use more optimized algorithms; commit 7db8d53 switched the remove_duplicates function to such an algorithm. Of course, the sorting is more effective if you do it _before_ the algorithm in question. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-05-22fetch-pack: avoid quadratic loop in filter_refsLibravatar Jeff King1-6/+13
We have a list of refs that we want to compare against the "match" array. The current code searches the match list linearly, giving quadratic behavior over the number of refs when you want to fetch all of them. Instead, we can compare the lists as we go, giving us linear behavior. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-05-22fetch-pack: sort the list of incoming refsLibravatar Jeff King1-0/+2
Having the list sorted means we can avoid some quadratic algorithms when comparing lists. These should typically be sorted already, but they do come from the remote, so let's be extra careful. Our ref-sorting implementation does a mergesort, so we do not have to care about performance degrading in the common case that the list is already sorted. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-05-22fetch-pack: avoid quadratic behavior in remove_duplicatesLibravatar Jeff King1-15/+6
We remove duplicate entries from the list of refs we are fed in fetch-pack. The original algorithm is quadratic over the number of refs, but since the list is now guaranteed to be sorted, we can do it in linear time. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-05-22fetch-pack: sort incoming headsLibravatar Jeff King1-1/+9
There's no reason to preserve the incoming order of the heads we're requested to fetch. By having them sorted, we can replace some of the quadratic algorithms with linear ones. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-05-22cmd_fetch_pack(): respect constness of argv parameterLibravatar Michael Haggerty1-13/+10
The old code cast away the constness of the strings passed to the function in argument argv[], which could result in their being modified by filter_refs(). Fix by copying reference names from argv and putting them into our own array (similarly to how refnames passed to stdin were already handled). Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-05-22cmd_fetch_pack(): combine the loop termination conditionsLibravatar Michael Haggerty1-58/+55
If an argument that does not start with '-' is found, the loop is terminated. So move that check into the for-loop condition. Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-05-22cmd_fetch_pack(): handle non-option arguments outside of the loopLibravatar Michael Haggerty1-5/+7
This makes it more obvious that the code is always executed unless there is an error, and that the first initialization of nr_heads is unnecessary. Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-05-22cmd_fetch_pack(): declare dest to be constLibravatar Michael Haggerty1-3/+4
There is no need for it to be non-const, and this avoids the need for casting away the constness of an argv element. Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-05-22format-patch: refactor get_patch_filenameLibravatar Jeff King1-28/+7
The get_patch_filename function expects a commit argument and uses it to get the sanitized subject line when making a patch filename. However, we also want to use this same function for the cover letter, which does not have a commit object. The current solution is to create a fake commit with the subject "cover letter". Instead, let's make the get_patch_filename interface more flexibile, and allow passing a direct subject. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-05-22format-patch: use default email for generating message idsLibravatar Jeff King1-8/+2
We try to generate a sane message id for cover letters and threading by appending some changing bits to the front of the user's email address. The current code parses the email out of the results of git_committer_info, but we can do this much more easily by just calling ident_default_email ourselves. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-05-22fmt-merge-msg: don't use static buffer in record_personLibravatar Jeff King1-4/+4
The record_person function just parses out the "name" field of the person line in a commit and adds it to a string_list. The only reason we need an extra buffer is that the string_list functions require a NUL-terminated string. Instead of the static buffer, we can just allocate a temporary NUL-terminated copy. In addition to removing a useless limit, this removes the only user of MAX_GITNAME outside of ident.c. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>