- 29 6月, 2016 1 次提交
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由 brian m. carlson 提交于
Convert struct diff_filespec's sha1 member to use a struct object_id called "oid" instead. The following Coccinelle semantic patch was used to implement this, followed by the transformations in object_id.cocci: @@ struct diff_filespec o; @@ - o.sha1 + o.oid.hash @@ struct diff_filespec *p; @@ - p->sha1 + p->oid.hash Signed-off-by: Nbrian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: NJunio C Hamano <gitster@pobox.com>
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- 07 5月, 2016 1 次提交
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由 Jeff King 提交于
The point of having a whitelist of command-line config options to pass to submodules was two-fold: 1. It prevented obvious nonsense like using core.worktree for multiple repos. 2. It could prevent surprise when the user did not mean for the options to leak to the submodules (e.g., http.sslverify=false). For case 1, the answer is mostly "if it hurts, don't do that". For case 2, we can note that any such example has a matching inverted surprise (e.g., a user who meant http.sslverify=true to apply everywhere, but it didn't). So this whitelist is probably not giving us any benefit, and is already creating a hassle as people propose things to put on it. Let's just drop it entirely. Note that we still need to keep a special code path for "prepare the submodule environment", because we still have to take care to pass through $GIT_CONFIG_PARAMETERS (and block the rest of the repo-specific environment variables). We can do this easily from within the submodule shell script, which lets us drop the submodule--helper option entirely (and it's OK to do so because as a "--" program, it is entirely a private implementation detail). Signed-off-by: NJeff King <peff@peff.net> Signed-off-by: NJunio C Hamano <gitster@pobox.com>
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- 29 4月, 2016 2 次提交
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由 Jeff King 提交于
Before 14111fc4 (git: submodule honor -c credential.* from command line, 2016-02-29), it was sufficient for code which spawned a process in a submodule to just set the child process's "env" field to "local_repo_env" to clear the environment of any repo-specific variables. That commit introduced a more complicated procedure, in which we clear most variables but allow through sanitized config. For C code, we used that procedure only for cloning, but not for any of the programs spawned by submodule.c. As a result, things like "git fetch --recurse-submodules" behave differently than "git clone --recursive"; the former will not pass through the sanitized config. We can fix this by using prepare_submodule_repo_env() everywhere in submodule.c. Signed-off-by: NJeff King <peff@peff.net> Signed-off-by: NJunio C Hamano <gitster@pobox.com>
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由 Jeff King 提交于
These functions should be used by any code which spawns a submodule process, which may happen in submodule.c (e.g., for spawning fetch). Let's move them there and make them public so that submodule--helper can continue to use them. Since they're now public, let's also provide a basic overview of their intended use. Signed-off-by: NJeff King <peff@peff.net> Signed-off-by: NJunio C Hamano <gitster@pobox.com>
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- 17 4月, 2016 1 次提交
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由 Stefan Beller 提交于
By having the `submodule init` functionality in C, we can reference it easier from other parts in the code in later patches. The code is split up to have one function to initialize one submodule and a calling function that takes care of the rest, such as argument handling and translating the arguments to the paths of the submodules. This is the first submodule subcommand that is fully converted to C except for the usage string, so this is actually removing a call to the `submodule--helper list` function, which is supposed to be used in this transition. Instead we'll make a direct call to `module_list_compute`. An explanation why we need to edit the prefixes in cmd_update in git-submodule.sh in this patch: By having no processing in the shell part, we need to convey the notion of wt_prefix and prefix to the C parts, which former patches punted on and did the processing of displaying path in the shell. `wt_prefix` used to hold the path from the repository root to the current directory, e.g. wt_prefix would be t/ if the user invoked the `git submodule` command in ~/repo/t and ~repo is the GIT_DIR. `prefix` used to hold the relative path from the repository root to the operation, e.g. if you have recursive submodules, the shell script would modify the `prefix` in each recursive step by adding the submodule path. We will pass `wt_prefix` into the C helper via `git -C <dir>` as that will setup git in the directory the user actually called git-submodule.sh from. The `prefix` will be passed in via the `--prefix` option. Having `prefix` and `wt_prefix` relative to the GIT_DIR of the calling superproject is unfortunate with this patch as the C code doesn't know about a possible recursion from a superproject via `submodule update --init --recursive`. To fix this, we change the meaning of `wt_prefix` to point to the current project instead of the superproject and `prefix` to include any relative paths issues in the superproject. That way `prefix` will become the leading part for displaying paths and `wt_prefix` will be empty in recursive calls for now. The new notion of `wt_prefix` and `prefix` still allows us to reconstruct the calling directory in the superproject by just traveling reverse of `prefix`. Signed-off-by: NStefan Beller <sbeller@google.com> Signed-off-by: NJunio C Hamano <gitster@pobox.com>
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- 02 3月, 2016 3 次提交
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由 Stefan Beller 提交于
This allows to configure fetching and updating in parallel without having the command line option. This moved the responsibility to determine how many parallel processes to start from builtin/fetch to submodule.c as we need a way to communicate "The user did not specify the number of parallel processes in the command line options" in the builtin fetch. The submodule code takes care of the precedence (CLI > config > default). Reviewed-by: NJonathan Nieder <jrnieder@gmail.com> Signed-off-by: NStefan Beller <sbeller@google.com> Signed-off-by: NJunio C Hamano <gitster@pobox.com>
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由 Stefan Beller 提交于
Currently submodule.<name>.update is only handled by git-submodule.sh. C code will start to need to make use of that value as more of the functionality of git-submodule.sh moves into library code in C. Add the update field to 'struct submodule' and populate it so it can be read as sm->update or from sm->update_command. Reviewed-by: NJonathan Nieder <jrnieder@gmail.com> Signed-off-by: NStefan Beller <sbeller@google.com> Signed-off-by: NJunio C Hamano <gitster@pobox.com>
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由 Stefan Beller 提交于
The expected way to pass data into the callback is to pass them via the customizable callback pointer. The error reporting in default_{start_failure, task_finished} is not user friendly enough, that we want to encourage using the child data for such purposes. Furthermore the struct child data is cleaned by the run-command API, before we access them in the callbacks, leading to use-after-free situations. Signed-off-by: NStefan Beller <sbeller@google.com> Signed-off-by: NJunio C Hamano <gitster@pobox.com>
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- 23 2月, 2016 4 次提交
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由 Jeff King 提交于
If our size computation overflows size_t, we may allocate a much smaller buffer than we expected and overflow it. It's probably impossible to trigger an overflow in most of these sites in practice, but it is easy enough convert their additions and multiplications into overflow-checking variants. This may be fixing real bugs, and it makes auditing the code easier. Signed-off-by: NJeff King <peff@peff.net> Signed-off-by: NJunio C Hamano <gitster@pobox.com>
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由 Patrick Steinhardt 提交于
Rename git_config_set_or_die functions to git_config_set, leading to the new default behavior of dying whenever a configuration error occurs. By now all callers that shall die on error have been transitioned to the _or_die variants, thus making this patch a simple rename of the functions. Signed-off-by: NPatrick Steinhardt <ps@pks.im> Signed-off-by: NJunio C Hamano <gitster@pobox.com>
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由 Patrick Steinhardt 提交于
The desired default behavior for `git_config_set` is to die whenever an error occurs. Dying is the default for a lot of internal functions when failures occur and is in this case the right thing to do for most callers as otherwise we might run into inconsistent repositories without noticing. As some code may rely on the actual return values for `git_config_set` we still require the ability to invoke these functions without aborting. Rename the existing `git_config_set` functions to `git_config_set_gently` to keep them available for those callers. Signed-off-by: NPatrick Steinhardt <ps@pks.im> Signed-off-by: NJunio C Hamano <gitster@pobox.com>
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由 Patrick Steinhardt 提交于
When trying to connect a submodule with its corresponding repository in '.git/modules' we try to set the core.worktree setting in the submodule, which may fail due to an error encountered in `git_config_set_in_file`. The function is used in the git-mv command when trying to move a submodule to another location. We already die when renaming a file fails but do not pay attention to the case where updating the connection between submodule and its repository fails. As this leaves the repository in an inconsistent state, as well, abort the program by dying early and presenting the failure to the user. Signed-off-by: NPatrick Steinhardt <ps@pks.im> Signed-off-by: NJunio C Hamano <gitster@pobox.com>
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- 17 12月, 2015 3 次提交
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由 Stefan Beller 提交于
This enables the work of the previous patches. Signed-off-by: NStefan Beller <sbeller@google.com> Signed-off-by: NJunio C Hamano <gitster@pobox.com>
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由 Stefan Beller 提交于
In a later patch we enable parallel processing of submodules, this only adds the possibility for it. So this change should not change any user facing behavior. Signed-off-by: NStefan Beller <sbeller@google.com> Signed-off-by: NJunio C Hamano <gitster@pobox.com>
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由 Jonathan Nieder 提交于
The "Pushing submodule <foo>" progress output correctly goes to stderr, but "Fetching submodule <foo>" is going to stdout by mistake. Fix it to write to stderr. Noticed while trying to implement a parallel submodule fetch. When this particular output line went to a different file descriptor, it was buffered separately, resulting in wrongly interleaved output if we copied it to the terminal naively. Signed-off-by: NJonathan Nieder <jrnieder@gmail.com> Signed-off-by: NStefan Beller <sbeller@google.com> Signed-off-by: NJunio C Hamano <gitster@pobox.com>
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- 20 11月, 2015 3 次提交
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由 brian m. carlson 提交于
Convert all instances of get_object_hash to use an appropriate reference to the hash member of the oid member of struct object. This provides no functional change, as it is essentially a macro substitution. Signed-off-by: Nbrian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: NJeff King <peff@peff.net>
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由 brian m. carlson 提交于
struct object is one of the major data structures dealing with object IDs. Convert it to use struct object_id instead of an unsigned char array. Convert get_object_hash to refer to the new member as well. Signed-off-by: Nbrian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: NJeff King <peff@peff.net>
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由 brian m. carlson 提交于
Convert most instances where the sha1 member of struct object is dereferenced to use get_object_hash. Most instances that are passed to functions that have versions taking struct object_id, such as get_sha1_hex/get_oid_hex, or instances that can be trivially converted to use struct object_id instead, are not converted. Signed-off-by: Nbrian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: NJeff King <peff@peff.net>
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- 28 10月, 2015 1 次提交
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由 Jeff King 提交于
The add_submodule_odb function tries to add a submodule's object store as an "alternate". It needs the existing list to be initialized (from the objects/info/alternates file) for two reasons: 1. We look for duplicates with the existing alternate stores, but obviously this doesn't work if we haven't loaded any yet. 2. We link our new entry into the list by prepending it to alt_odb_list. But we do _not_ modify alt_odb_tail. This variable starts as NULL, and is a signal to the alt_odb code that the list has not yet been initialized. We then call read_info_alternates on the submodule (to recursively load its alternates), which will try to append to that tail, assuming it has been initialized. This causes us to segfault if it is NULL. This rarely comes up in practice, because we will have initialized the alt_odb any time we do an object lookup. So you can trigger this only when: - you try to access a submodule (e.g., a diff with diff.submodule=log) - the access happens before any other object has been accessed (e.g., because the diff is between the working tree and the index) - the submodule contains an alternates file (so we try to add an entry to the NULL alt_odb_tail) To fix this, we just need to call prepare_alt_odb at the start of the function (and if we have already initialized, it is a noop). Note that we can remove the prepare_alt_odb call from the end. It is guaranteed to be a noop, since we will have called it earlier. Signed-off-by: NJeff King <peff@peff.net> Signed-off-by: NJunio C Hamano <gitster@pobox.com>
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- 06 10月, 2015 1 次提交
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由 Jeff King 提交于
When we are allocating a struct with a FLEX_ARRAY member, we generally compute the size of the array and then sprintf or strcpy into it. Normally we could improve a dynamic allocation like this by using xstrfmt, but it doesn't work here; we have to account for the size of the rest of the struct. But we can improve things a bit by storing the length that we use for the allocation, and then feeding it to xsnprintf or memcpy, which makes it more obvious that we are not writing more than the allocated number of bytes. It would be nice if we had some kind of helper for allocating generic flex arrays, but it doesn't work that well: - the call signature is a little bit unwieldy: d = flex_struct(sizeof(*d), offsetof(d, path), fmt, ...); You need offsetof here instead of just writing to the end of the base size, because we don't know how the struct is packed (partially this is because FLEX_ARRAY might not be zero, though we can account for that; but the size of the struct may actually be rounded up for alignment, and we can't know that). - some sites do clever things, like over-allocating because they know they will write larger things into the buffer later (e.g., struct packed_git here). So we're better off to just write out each allocation (or add type-specific helpers, though many of these are one-off allocations anyway). Signed-off-by: NJeff King <peff@peff.net> Signed-off-by: NJunio C Hamano <gitster@pobox.com>
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- 15 9月, 2015 1 次提交
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由 Max Kirillov 提交于
Functions which directly operate submodule's object database do not handle the case when the submodule is linked worktree (which are introduced in c7b3a3d2). Instead of fixing the path calculation use already existing strbuf_git_path_submodule() function without changing overall behaviour. Then it will be possible to modify only that function whenever we need to change real location of submodule's repository content. Helped-by: NJeff King <peff@peff.net> Signed-off-by: NMax Kirillov <max@max630.net> Signed-off-by: NJunio C Hamano <gitster@pobox.com>
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- 26 8月, 2015 1 次提交
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由 Junio C Hamano 提交于
All of the callsites covered by this change call write_file() or write_file_gently() to create a one-liner file. Drop the caller supplied LF and let these callees to append it as necessary. Signed-off-by: NJunio C Hamano <gitster@pobox.com>
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- 25 8月, 2015 1 次提交
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由 Junio C Hamano 提交于
All callers except three passed 1 for the "fatal" parameter to ask this function to die upon error, but to a casual reader of the code, it was not all obvious what that 1 meant. Instead, split the function into two based on a common write_file_v() that takes the flag, introduce write_file_gently() as a new way to attempt creating a file without dying on error, and make three callers to call it. Signed-off-by: NJunio C Hamano <gitster@pobox.com>
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- 20 8月, 2015 4 次提交
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由 Heiko Voigt 提交于
We should not die when reading the submodule config cache since the user might not be able to get out of that situation when the configuration is part of the history. We should handle this condition later when the value is about to be used. Signed-off-by: NHeiko Voigt <hvoigt@hvoigt.net> Signed-off-by: NStefan Beller <sbeller@google.com> Signed-off-by: NJunio C Hamano <gitster@pobox.com>
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由 Heiko Voigt 提交于
We remove the extracted functions and directly parse into and read out of the cache. This allows us to have one unified way of accessing submodule configuration values specific to single submodules. Regardless whether we need to access a configuration from history or from the worktree. Signed-off-by: NHeiko Voigt <hvoigt@hvoigt.net> Signed-off-by: NJunio C Hamano <gitster@pobox.com> Signed-off-by: NStefan Beller <sbeller@google.com> Signed-off-by: NJunio C Hamano <gitster@pobox.com>
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由 Heiko Voigt 提交于
This is one step towards using the new configuration API. We just extract these functions to make replacing the actual code easier. Signed-off-by: NHeiko Voigt <hvoigt@hvoigt.net> Signed-off-by: NStefan Beller <sbeller@google.com> Signed-off-by: NJunio C Hamano <gitster@pobox.com>
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由 Heiko Voigt 提交于
In a superproject some commands need to interact with submodules. They need to query values from the .gitmodules file either from the worktree of from certain revisions. At the moment this is quite hard since a caller would need to read the .gitmodules file from the history and then parse the values. We want to provide an API for this so we have one place to get values from .gitmodules from any revision (including the worktree). The API is realized as a cache which allows us to lazily read .gitmodules configurations by commit into a runtime cache which can then be used to easily lookup values from it. Currently only the values for path or name are stored but it can be extended for any value needed. It is expected that .gitmodules files do not change often between commits. Thats why we lookup the .gitmodules sha1 from a commit and then either lookup an already parsed configuration or parse and cache an unknown one for each sha1. The cache is lazily build on demand for each requested commit. This cache can be used for all purposes which need knowledge about submodule configurations. Example use cases are: * Recursive submodule checkout needs to lookup a submodule name from its path when a submodule first appears. This needs be done before this configuration exists in the worktree. * The implementation of submodule support for 'git archive' needs to lookup the submodule name to generate the archive when given a revision that is not checked out. * 'git fetch' when given the --recurse-submodules=on-demand option (or configuration) needs to lookup submodule names by path from the database rather than reading from the worktree. For new submodule it needs to lookup the name from its path to allow cloning new submodules into the .git folder so they can be checked out without any network interaction when the user does a checkout of that revision. Signed-off-by: NHeiko Voigt <hvoigt@hvoigt.net> Signed-off-by: NStefan Beller <sbeller@google.com> Signed-off-by: NJunio C Hamano <gitster@pobox.com>
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- 30 6月, 2015 1 次提交
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由 Jeff King 提交于
In preparation for adding date modes that may carry extra information beyond the mode itself, this patch converts the date_mode enum into a struct. Most of the conversion is fairly straightforward; we pass the struct as a pointer and dereference the type field where necessary. Locations that declare a date_mode can use a "{}" constructor. However, the tricky case is where we use the enum labels as constants, like: show_date(t, tz, DATE_NORMAL); Ideally we could say: show_date(t, tz, &{ DATE_NORMAL }); but of course C does not allow that. Likewise, we cannot cast the constant to a struct, because we need to pass an actual address. Our options are basically: 1. Manually add a "struct date_mode d = { DATE_NORMAL }" definition to each caller, and pass "&d". This makes the callers uglier, because they sometimes do not even have their own scope (e.g., they are inside a switch statement). 2. Provide a pre-made global "date_normal" struct that can be passed by address. We'd also need "date_rfc2822", "date_iso8601", and so forth. But at least the ugliness is defined in one place. 3. Provide a wrapper that generates the correct struct on the fly. The big downside is that we end up pointing to a single global, which makes our wrapper non-reentrant. But show_date is already not reentrant, so it does not matter. This patch implements 3, along with a minor macro to keep the size of the callers sane. Signed-off-by: NJeff King <peff@peff.net> Signed-off-by: NJunio C Hamano <gitster@pobox.com>
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- 26 5月, 2015 2 次提交
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由 Michael Haggerty 提交于
Signed-off-by: NMichael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Nbrian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: NJunio C Hamano <gitster@pobox.com>
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由 Michael Haggerty 提交于
Change typedef each_ref_fn to take a "const struct object_id *oid" parameter instead of "const unsigned char *sha1". To aid this transition, implement an adapter that can be used to wrap old-style functions matching the old typedef, which is now called "each_ref_sha1_fn"), and make such functions callable via the new interface. This requires the old function and its cb_data to be wrapped in a "struct each_ref_fn_sha1_adapter", and that object to be used as the cb_data for an adapter function, each_ref_fn_adapter(). This is an enormous diff, but most of it consists of simple, mechanical changes to the sites that call any of the "for_each_ref" family of functions. Subsequent to this change, the call sites can be rewritten one by one to use the new interface. Signed-off-by: NMichael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Nbrian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: NJunio C Hamano <gitster@pobox.com>
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- 21 5月, 2015 1 次提交
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由 René Scharfe 提交于
Call file_exists() instead of open-coding it. That's shorter, simpler and the intent becomes clearer. Signed-off-by: NRene Scharfe <l.s.r@web.de> Signed-off-by: NJunio C Hamano <gitster@pobox.com>
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- 23 3月, 2015 1 次提交
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由 Jeff King 提交于
In is_submodule_commit_present, we call run_command followed by a pipe read, which is prone to deadlock. It is unlikely to happen in this case, as rev-list should never produce more than a single line of output, but it does not hurt to avoid an anti-pattern (and using the helper simplifies the setup and cleanup). Signed-off-by: NJeff King <peff@peff.net> Signed-off-by: NJunio C Hamano <gitster@pobox.com>
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- 02 12月, 2014 1 次提交
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由 Nguyễn Thái Ngọc Duy 提交于
This fixes common problems in these code about error handling, forgetting to close the file handle after fprintf() fails, or not printing out the error string.. Signed-off-by: NNguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: NJunio C Hamano <gitster@pobox.com>
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- 31 10月, 2014 1 次提交
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由 Junio C Hamano 提交于
The callers of get_merge_bases() can choose to leave object flags used during the merge-base traversal by passing cleanup=0 as a parameter, but in practice a very few callers can afford to do so (namely, "git merge-base"), as they need to compute merge base in preparation for other processing of their own and they need to see the object without contaminate flags. Change the function signature of get_merge_bases_many() and get_merge_bases() to drop the cleanup parameter, so that the majority of the callers do not have to say ", 1" at the end. Give a new get_merge_bases_many_dirty() API to support only a few callers that know they do not need to spend cycles cleaning up the object flags. Signed-off-by: NJunio C Hamano <gitster@pobox.com>
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- 21 8月, 2014 1 次提交
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由 René Scharfe 提交于
Most struct child_process variables are cleared using memset first after declaration. Provide a macro, CHILD_PROCESS_INIT, that can be used to initialize them statically instead. That's shorter, doesn't require a function call and is slightly more readable (especially given that we already have STRBUF_INIT, ARGV_ARRAY_INIT etc.). Helped-by: NJohannes Sixt <j6t@kdbg.org> Signed-off-by: NRene Scharfe <l.s.r@web.de> Signed-off-by: NJunio C Hamano <gitster@pobox.com>
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- 22 7月, 2014 1 次提交
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由 Tanay Abhra 提交于
Using memset and then manually setting values of the string-list members is not future proof as the internal representation of string-list may change any time. Use `string_list_init()` or STRING_LIST_INIT_* macros instead of memset. Signed-off-by: NTanay Abhra <tanayabh@gmail.com> Reviewed-by: NMatthieu Moy <Matthieu.Moy@imag.fr> Signed-off-by: NJunio C Hamano <gitster@pobox.com>
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- 01 7月, 2014 1 次提交
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由 Elia Pinto 提交于
Use the ARRAY_SIZE macro to get the number of elements in an array. Signed-off-by: NElia Pinto <gitter.spiros@gmail.com> Signed-off-by: NJunio C Hamano <gitster@pobox.com>
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- 06 12月, 2013 1 次提交
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由 Christian Couder 提交于
Leaving only the function definitions and declarations so that any new topic in flight can still make use of the old functions, replace existing uses of the prefixcmp() and suffixcmp() with new API functions. The change can be recreated by mechanically applying this: $ git grep -l -e prefixcmp -e suffixcmp -- \*.c | grep -v strbuf\\.c | xargs perl -pi -e ' s|!prefixcmp\(|starts_with\(|g; s|prefixcmp\(|!starts_with\(|g; s|!suffixcmp\(|ends_with\(|g; s|suffixcmp\(|!ends_with\(|g; ' on the result of preparatory changes in this series. Signed-off-by: NChristian Couder <chriscool@tuxfamily.org> Signed-off-by: NJunio C Hamano <gitster@pobox.com>
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- 08 11月, 2013 1 次提交
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由 Jens Lehmann 提交于
Commit 5fee9952 introduced the stage_updated_gitmodules() function to add submodule configuration updates to the index. It assumed that even after calling remove_cache_entry_at() the same cache entry would still be valid. This was true in the old days, as cache entries could never be freed, but that is not so sure in the present as there is ongoing work to free removed cache entries, which makes this code segfault. Fix that by calling add_file_to_cache() instead of open coding it. Also remove the "could not find .gitmodules in index" warning, as that won't happen in regular use cases (and by then just silently adding it to the index we do the right thing). Thanks-to: Karsten Blees <karsten.blees@gmail.com> Signed-off-by: NJens Lehmann <Jens.Lehmann@web.de> Signed-off-by: NJunio C Hamano <gitster@pobox.com>
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- 20 8月, 2013 1 次提交
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由 Jharrod LaFon 提交于
Git fails due to a segmentation fault if a submodule path is empty. Here is an example .gitmodules that will cause a segmentation fault: [submodule "foo-module"] path url = http://host/repo.git $ git status Segmentation fault (core dumped) This is because the parsing of "submodule.*.path" is not prepared to see a value-less "true" and assumes that the value is always non-NULL (parsing of "ignore" has the same problem). Fix it by checking the NULL-ness of value and complain with config_error_nonbool(). Signed-off-by: NJharrod LaFon <jlafon@eyesopen.com> Signed-off-by: NJunio C Hamano <gitster@pobox.com>
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