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2015-04-01push-to-deploy: allow pushing into an unborn branch and updating itLibravatar Junio C Hamano2-2/+74
Setting receive.denycurrentbranch to updateinstead and pushing into the current branch, when the working tree and the index is truly clean, is supposed to reset the working tree and the index to match the tree of the pushed commit. This did not work when pushing into an unborn branch. The code that drives push-to-checkout hook needs no change, as the interface is defined so that hook can decide what to do when the push is coming to an unborn branch and take an appropriate action since the beginning. Acked-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2015-01-08receive-pack: support push-to-checkout hookLibravatar Junio C Hamano4-2/+116
When receive.denyCurrentBranch is set to updateInstead, a push that tries to update the branch that is currently checked out is accepted only when the index and the working tree exactly matches the currently checked out commit, in which case the index and the working tree are updated to match the pushed commit. Otherwise the push is refused. This hook can be used to customize this "push-to-deploy" logic. The hook receives the commit with which the tip of the current branch is going to be updated, and can decide what kind of local changes are acceptable and how to update the index and the working tree to match the updated tip of the current branch. For example, the hook can simply run `git read-tree -u -m HEAD "$1"` in order to emulate 'git fetch' that is run in the reverse direction with `git push`, as the two-tree form of `read-tree -u -m` is essentially the same as `git checkout` that switches branches while keeping the local changes in the working tree that do not interfere with the difference between the branches. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-01receive-pack: refactor updateInstead codepathLibravatar Junio C Hamano1-25/+28
Keep the "there is nothing to update in a bare repository", "when the check and update process runs, here are the GIT_DIR and GIT_WORK_TREE" logic, which will be common regardless of how the decision to update and the actual update are done, in the original update_worktree() function, and split out the "working tree and the index must match the original HEAD exactly" and "use two-way read-tree to update the working tree" into a new push_to_deploy() helper function. This will allow customizing the logic more cleanly and easily. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-11-30t5516: more tests for receive.denyCurrentBranch=updateInsteadLibravatar Junio C Hamano1-9/+87
The previous one tests only the case where a path to be updated by the push-to-deploy has an incompatible change in the target's working tree that has already been added to the index, but the feature itself wants to require the working tree to be a lot cleaner than what is tested. Add a handful more tests to protect the feature from future changes that mistakenly (from the viewpoint of the inventor of the feature) loosens the cleanliness requirement, namely: - A change only to the working tree but not to the index is still a change to be protected; - An untracked file in the working tree that would be overwritten by a push-to-deploy needs to be protected; - A change that happens to make a file identical to what is being pushed is still a change to be protected (i.e. the feature's cleanliness requirement is more strict than that of checkout). Also, test that a stat-only change to the working tree is not a reason to reject a push-to-deploy. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-11-30receive-pack: add another option for receive.denyCurrentBranchLibravatar Johannes Schindelin3-2/+124
When synchronizing between working directories, it can be handy to update the current branch via 'push' rather than 'pull', e.g. when pushing a fix from inside a VM, or when pushing a fix made on a user's machine (where the developer is not at liberty to install an ssh daemon let alone know the user's password). The common workaround – pushing into a temporary branch and then merging on the other machine – is no longer necessary with this patch. The new option is: 'updateInstead': Update the working tree accordingly, but refuse to do so if there are any uncommitted changes. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-11-07Git 2.2.0-rc1Libravatar Junio C Hamano1-1/+1
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-11-06Merge branch 'maint'Libravatar Junio C Hamano1-1/+1
* maint: docs/credential-store: s/--store/--file/
2014-11-06Merge branch 'nd/gitignore-trailing-whitespace'Libravatar Junio C Hamano1-1/+1
Documentation update. * nd/gitignore-trailing-whitespace: gitignore.txt: fix spelling of "backslash"
2014-11-06Merge branch 'tm/line-log-first-parent'Libravatar Junio C Hamano2-0/+8
"git log --first-parent -L..." used to crash. * tm/line-log-first-parent: line-log: fix crash when --first-parent is used
2014-11-06Merge branch 'jk/fetch-reflog-df-conflict'Libravatar Junio C Hamano4-3/+77
Corner-case bugfixes for "git fetch" around reflog handling. * jk/fetch-reflog-df-conflict: ignore stale directories when checking reflog existence fetch: load all default config at startup
2014-11-06Merge branch 'rs/use-child-process-init-more'Libravatar Junio C Hamano4-66/+106
* rs/use-child-process-init-more: bundle: split out ref writing from bundle_create bundle: split out a helper function to compute and write prerequisites bundle: split out a helper function to create pack data use child_process_init() to initialize struct child_process variables
2014-11-06Merge branch 'jk/cache-tree-protect-from-broken-libgit2'Libravatar Junio C Hamano1-0/+2
The code to use cache-tree trusted the on-disk data too much and fell into an infinite loop. * jk/cache-tree-protect-from-broken-libgit2: cache-tree: avoid infinite loop on zero-entry tree
2014-11-06docs/credential-store: s/--store/--file/Libravatar Jeff King1-1/+1
The option name "--store" was used early in development, but never even made it into an applied patch, let alone a released version of git. I forgot to update the matching documentation at the time, though. Noticed-by: Jesse Hopkins <jesse.hopkins@lmco.com> Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-11-04gitignore.txt: fix spelling of "backslash"Libravatar Ben North1-1/+1
Signed-off-by: Ben North <ben@redfrontdoor.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-11-04Documentation: typofixesLibravatar Thomas Ackermann19-30/+30
In addition to fixing trivial and obvious typos, be careful about the following points: - Spell ASCII, URL and CRC in ALL CAPS; - Spell Linux as Capitalized; - Do not omit periods in "i.e." and "e.g.". Signed-off-by: Thomas Ackermann <th.acker@arcor.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-11-04line-log: fix crash when --first-parent is usedLibravatar Tzvetan Mikov2-0/+8
line-log tries to access all parents of a commit, but only the first parent has been loaded if "--first-parent" is specified, resulting in a crash. Limit the number of parents to one if "--first-parent" is specified. Reported-by: Eric N. Vander Weele <ericvw@gmail.com> Signed-off-by: Tzvetan Mikov <tmikov@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-11-04ignore stale directories when checking reflog existenceLibravatar Jeff King2-2/+36
When we update a ref, we have two rules for whether or not we actually update the reflog: 1. If the reflog already exists, we will always append to it. 2. If log_all_ref_updates is set, we will create a new reflog file if necessary. We do the existence check by trying to open the reflog file, either with or without O_CREAT (depending on log_all_ref_updates). If it fails, then we check errno to see what happened. If we were not using O_CREAT and we got ENOENT, the file doesn't exist, and we return success (there isn't a reflog already, and we were not told to make a new one). If we get EISDIR, then there is likely a stale directory that needs to be removed (e.g., there used to be "foo/bar", it was deleted, and the directory "foo" was left. Now we want to create the ref "foo"). If O_CREAT is set, then we catch this case, try to remove the directory, and retry our open. So far so good. But if we get EISDIR and O_CREAT is not set, then we treat this as any other error, which is not right. Like ENOENT, EISDIR is an indication that we do not have a reflog, and we should silently return success (we were not told to create it). Instead, the current code reports this as an error, and we fail to update the ref at all. Note that this is relatively unlikely to happen, as you would have to have had reflogs turned on, and then later turned them off (it could also happen due to a bug in fetch, but that was fixed in the previous commit). However, it's quite easy to fix: we just need to treat EISDIR like ENOENT for the non-O_CREAT case, and silently return (note that this early return means we can also simplify the O_CREAT case). Our new tests cover both cases (O_CREAT and non-O_CREAT). The first one already worked, of course. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-11-04fetch: load all default config at startupLibravatar Jeff King2-1/+41
When we start the git-fetch program, we call git_config to load all config, but our callback only processes the fetch.prune option; we do not chain to git_default_config at all. This means that we may not load some core configuration which will have an effect. For instance, we do not load core.logAllRefUpdates, which impacts whether or not we create reflogs in a bare repository. Note that I said "may" above. It gets even more exciting. If we have to transfer actual objects as part of the fetch, then we call fetch_pack as part of the same process. That function loads its own config, which does chain to git_default_config, impacting global variables which are used by the rest of fetch. But if the fetch is a pure ref update (e.g., a new ref which is a copy of an old one), we skip fetch_pack entirely. So we get inconsistent results depending on whether or not we have actual objects to transfer or not! Let's just load the core config at the start of fetch, so we know we have it (we may also load it again as part of fetch_pack, but that's OK; it's designed to be idempotent). Our tests check both cases (with and without a pack). We also check similar behavior for push for good measure, but it already works as expected. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-11-03RelNotes/2.2.0.txt: fix minor typosLibravatar Matthieu Moy1-3/+3
Signed-off-by: Matthieu Moy <Matthieu.Moy@imag.fr> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-10-31Git 2.2.0-rc0Libravatar Junio C Hamano2-1/+7
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-10-31Merge branch 'for-junio' of git://bogomips.org/git-svnLibravatar Junio C Hamano4-91/+145
* 'for-junio' of git://bogomips.org/git-svn: git-svn: use SVN::Ra::get_dir2 when possible git-svn: add space after "W:" prefix in warning git-svn: (cleanup) remove editor param passing git-svn: prepare SVN::Ra config pieces once Git.pm: add specified name to tempfile template git-svn: disable _rev_list memoization git-svn: save a little memory as fetch progresses git-svn: remove unnecessary DESTROY override git-svn: reload RA every log-window-size git-svn.txt: advertise pushurl with dcommit git-svn: remove mergeinfo rev caching git-svn: cache only mergeinfo revisions git-svn: reduce check_cherry_pick cache overhead git-svn: only look at the root path for svn:mergeinfo git-svn: only look at the new parts of svn:mergeinfo
2014-10-31Merge branch 'jc/push-cert'Libravatar Junio C Hamano1-2/+2
* jc/push-cert: receive-pack: avoid minor leak in case start_async() fails
2014-10-31Merge branch 'rs/child-process-init'Libravatar Junio C Hamano1-1/+1
* rs/child-process-init: api-run-command: add missing list item marker
2014-10-31Merge branch 'rs/grep-color-words'Libravatar Junio C Hamano4-9/+123
Allow painting or not painting (partial) matches in context lines when showing "grep -C<num>" output in color. * rs/grep-color-words: grep: add color.grep.matchcontext and color.grep.matchselected
2014-10-31git-svn: use SVN::Ra::get_dir2 when possibleLibravatar Eric Wong1-1/+11
This avoids the following failure with normal "get_dir" on newer versions of SVN (tested with SVN 1.8.8-1ubuntu3.1): Incorrect parameters given: Could not convert '%ld' into a number get_dir2 also has the potential to be more efficient by requesting less data. ref: <1414636504.45506.YahooMailBasic@web172304.mail.ir2.yahoo.com> ref: <1414722617.89476.YahooMailBasic@web172305.mail.ir2.yahoo.com> Signed-off-by: Eric Wong <normalperson@yhbt.net> Cc: Hin-Tak Leung <htl10@users.sourceforge.net>
2014-10-30bundle: split out ref writing from bundle_createLibravatar Jeff King1-39/+58
The bundle_create() function has a number of logical steps: process the input, write the refs, and write the packfile. Recent commits split the first and third into separate sub-functions. It's worth splitting the middle step out, too, if only because it makes the progression of the steps more obvious. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-10-30bundle: split out a helper function to compute and write prerequisitesLibravatar Junio C Hamano1-24/+35
The new helper compute_and_write_prerequistes() is ugly, but it cannot be avoided. Ideally we should avoid a function that computes and does I/O at the same time, but the prerequisites lines in the output needs the human readable title only to help the recipient of the bundle. The code copies them straight from the rev-list output and immediately discards as no other internal computation needs that information. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-10-30bundle: split out a helper function to create pack dataLibravatar Junio C Hamano1-27/+37
The create_bundle() function, while it does one single logical thing, takes a rather large implementation to do so. Let's start separating what it does into smaller steps to make it easier to see what is going on. This is a first step to separate out the actual pack-data generation, after the earlier part of the function figures out which part of the history to place in the bundle. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-10-30cache-tree: avoid infinite loop on zero-entry treeLibravatar Jeff King1-0/+2
The loop in cache-tree's update_one iterates over all the entries in the index. For each one, we find the cache-tree subtree which represents our path (creating it if necessary), and then recurse into update_one again. The return value we get is the number of index entries that belonged in that subtree. So for example, with entries: a/one a/two b/one We start by processing the first entry, "a/one". We would find the subtree for "a" and recurse into update_one. That would then handle "a/one" and "a/two", and return the value 2. The parent function then skips past the 2 handled entries, and we continue by processing "b/one". If the recursed-into update_one ever returns 0, then we make no forward progress in our loop. We would process "a/one" over and over, infinitely. This should not happen normally. Any subtree we create must have at least one path in it (the one that we are processing!). However, we may also reuse a cache-tree entry we found in the on-disk index. For the same reason, this should also never have zero entries. However, certain buggy versions of libgit2 could produce such bogus cache-tree records. The libgit2 bug has since been fixed, but it does not hurt to protect ourselves against bogus input coming from the on-disk data structures. Note that this is not a die("BUG") or assert, because it is not an internal bug, but rather a corrupted on-disk structure. It's possible that we could even recover from it (by throwing out the bogus cache-tree entry), but it is not worth the effort; the important thing is that we report an error instead of looping infinitely. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-10-30Merge git://ozlabs.org/~paulus/gitkLibravatar Junio C Hamano1-69/+23
* git://ozlabs.org/~paulus/gitk: gitk: Remove boilerplate for configuration variables gitk: Show detached HEAD if --all is specified gitk: Do not depend on Cygwin's "kill" command on Windows
2014-10-30git-svn: add space after "W:" prefix in warningLibravatar Eric Wong1-4/+2
And minor reformatting while we're in the area. Signed-off-by: Eric Wong <normalperson@yhbt.net>
2014-10-30git-svn: (cleanup) remove editor param passingLibravatar Eric Wong1-6/+4
Neither find_extra_svk_parents or find_extra_svn_parents ever used the `$ed' parameter. Signed-off-by: Eric Wong <normalperson@yhbt.net>
2014-10-30gitk: Remove boilerplate for configuration variablesLibravatar Max Kirillov1-68/+20
Signed-off-by: Max Kirillov <max@max630.net> Signed-off-by: Paul Mackerras <paulus@samba.org>
2014-10-30gitk: Show detached HEAD if --all is specifiedLibravatar Max Kirillov1-0/+2
If HEAD is detached, 'gitk --all' does not show it. This is inconvenient for frontend program, and for example git log does show the detached HEAD. gitk uses git rev-parse to find a list of branches to show. Apparently, the command does not include detached HEAD to output if --all argument is specified. This has been discussed in [1] and stated as expected behavior. So rev-parse's parameters should be tuned in gitk. [1] http://thread.gmane.org/gmane.comp.version-control.git/255996 Signed-off-by: Max Kirillov <max@max630.net> Signed-off-by: Paul Mackerras <paulus@samba.org>
2014-10-30gitk: Do not depend on Cygwin's "kill" command on WindowsLibravatar Sebastian Schuberth1-1/+1
Windows does not necessarily mean Cygwin, it could also be MSYS. The latter ships with a version of "kill" that does not understand "-f". In msysgit this was addressed by shipping Cygwin's version of kill. Properly fix this by using the stock Windows "taskkill" command instead, which is available since Windows XP Professional. Signed-off-by: Sebastian Schuberth <sschuberth@gmail.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
2014-10-29git-svn: prepare SVN::Ra config pieces onceLibravatar Eric Wong1-27/+36
Memoizing these initialization functions saves some memory for long fetches which require scanning many unwanted revisions before any wanted revisions happen. Signed-off-by: Eric Wong <normalperson@yhbt.net>
2014-10-29Git.pm: add specified name to tempfile templateLibravatar Eric Wong1-1/+4
This should help me track down errors in git-svn more easily: write .git/Git_XXXXXX: Bad file descriptor at /usr/lib/perl5/SVN/Ra.pm line 623 Signed-off-by: Eric Wong <normalperson@yhbt.net>
2014-10-29Sync with Git 2.1.3Libravatar Junio C Hamano2-1/+28
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-10-29Git 2.1.3Libravatar Junio C Hamano4-3/+30
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-10-29Merge branch 'jk/pack-objects-no-bitmap-when-splitting' into maintLibravatar Junio C Hamano2-0/+10
* jk/pack-objects-no-bitmap-when-splitting: pack-objects: turn off bitmaps when we split packs
2014-10-29Merge branch 'da/mergetool-meld' into maintLibravatar Junio C Hamano2-2/+16
* da/mergetool-meld: mergetools/meld: make usage of `--output` configurable and more robust
2014-10-29Merge branch 'rm/gitweb-start-form' into maintLibravatar Junio C Hamano1-2/+2
* rm/gitweb-start-form: gitweb: use start_form, not startform that was removed in CGI.pm 4.04
2014-10-29Merge branch 'bc/asciidoc-pretty-formats-fix' into maintLibravatar Junio C Hamano1-1/+1
* bc/asciidoc-pretty-formats-fix: Documentation: fix misrender of pretty-formats in Asciidoctor
2014-10-29Merge branch 'rs/daemon-fixes' into maintLibravatar Junio C Hamano1-18/+15
* rs/daemon-fixes: daemon: remove write-only variable maxfd daemon: fix error message after bind() daemon: handle gethostbyname() error
2014-10-29Update draft release notes to 2.2Libravatar Junio C Hamano1-0/+17
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-10-29Merge branch 'da/difftool'Libravatar Junio C Hamano4-1/+85
Allow diff tool backend to stop early by exiting with a non-zero status. * da/difftool: difftool: add support for --trust-exit-code difftool--helper: exit when reading a prompt answer fails
2014-10-29Merge branch 'rb/pack-window-memory-config-doc'Libravatar Junio C Hamano1-4/+5
* rb/pack-window-memory-config-doc: config.txt: pack.windowmemory limit applies per-thread
2014-10-29Merge branch 'mg/lib-gpg-ro-safety'Libravatar Junio C Hamano1-0/+1
In a tarball extract whose files are all read-only, running GPG tests would have failed due to unwritable files. * mg/lib-gpg-ro-safety: t/lib-gpg: make gpghome files writable
2014-10-29Merge branch 'dm/port2zos'Libravatar Junio C Hamano3-3/+7
z/OS port * dm/port2zos: compat/bswap.h: detect endianness from XL C compiler macros Makefile: reorder linker flags in the git executable rule git-compat-util.h: support variadic macros with the XL C compiler
2014-10-29Merge branch 'oc/mergetools-beyondcompare'Libravatar Junio C Hamano4-27/+28
* oc/mergetools-beyondcompare: mergetool: rename bc3 to bc