|
3a2e4836
|
2018-11-18T09:52:12
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|
CMake: disable deprecated documentation sync
The `-Wdocumentation-deprecated-sync` option will warn when there is a
doxygen `\deprecated` tag but there is no corresponding deprecation
attribute on the function. We want to encourage users to not use
particular APIs by marking them deprecated in the documentation without
necessarily raising a compiler warning by marking an item as deprecated.
|
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|
45054732
|
2018-10-29T10:45:59
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|
tests: optionally ignore https cert validation
For testing, we may wish to use a man-in-the-middle proxy that can
inspect the CONNECT traffic to our test endpoints. For this, we will
need to accept the proxy's certificate, which will not be valid for the
true endpoint.
Add a new environment variable, GITTEST_REMOTE_SSL_NOVERIFY to disable
https certificate validation for the tests.
|
|
|
2878ad08
|
2018-10-29T08:59:33
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|
streams: remove unused tls functions
The implementations of git_openssl_stream_new and
git_mbedtls_stream_new have callers protected by #ifdefs and
are never called unless compiled in. There's no need for a
dummy implementation. Remove them.
|
|
|
394ae7e1
|
2018-10-22T17:35:35
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|
proxy tests: support self-signed proxy cert
Give the proxy tests a proxy certificate callback, and allow self-signed
certificates when the `GITTEST_REMOTE_PROXY_SELFSIGNED` environment
variable is set (to anything). In that case, simply compare the hostname
from the callback to the hostname that we connected to.
|
|
|
5d4e1e04
|
2018-10-28T21:27:56
|
|
http: use CONNECT to talk to proxies
Natively support HTTPS connections through proxies by speaking CONNECT
to the proxy and then adding a TLS connection on top of the socket.
|
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|
21142c5a
|
2018-10-29T10:04:48
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|
http: remove cURL
We previously used cURL to support HTTP proxies. Now that we've added
this support natively, we can remove the curl dependency.
|
|
|
43b592ac
|
2018-10-25T08:49:01
|
|
tls: introduce a wrap function
Introduce `git_tls_stream_wrap` which will take an existing `stream`
with an already connected socket and begin speaking TLS on top of it.
This is useful if you've built a connection to a proxy server and you
wish to begin CONNECT over it to tunnel a TLS connection.
Also update the pluggable TLS stream layer so that it can accept a
registration structure that provides an `init` and `wrap` function,
instead of a single initialization function.
|
|
|
6ba3e6af
|
2018-11-18T21:53:48
|
|
proxy tests: rename credential callback
Rename credential callback to proxy_cred_cb to match new cert callback.
|
|
|
b2ed778a
|
2018-11-18T22:20:10
|
|
http transport: reset error message on cert failure
Store the error message from the underlying TLS library before calling
the certificate callback. If it refuses to act (demonstrated by
returning GIT_PASSTHROUGH) then restore the error message. Otherwise,
if the callback does not set an error message, set a sensible default
that implicates the callback itself.
|
|
|
2ce2315c
|
2018-10-22T17:33:45
|
|
http transport: support cert check for proxies
Refactor certificate checking so that it can easily be called for
proxies or the remote server.
|
|
|
74c6e08e
|
2018-10-22T14:56:53
|
|
http transport: provide proxy credentials
|
|
|
496da38c
|
2018-10-22T12:48:45
|
|
http transport: refactor storage
Create a simple data structure that contains information about the
server being connected to, whether that's the actual remote endpoint
(git server) or an intermediate proxy. This allows for organization of
streams, authentication state, etc.
|
|
|
6af8572c
|
2018-10-22T11:29:01
|
|
http transport: cap number of authentication replays
Put a limit on the number of authentication replays in the HTTP
transport. Standardize on 7 replays for authentication or redirects,
which matches the behavior of the WinHTTP transport.
|
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22654812
|
2018-10-22T11:24:05
|
|
http transport: prompt for proxy credentials
Teach the HTTP transport how to prompt for proxy credentials.
|
|
|
0328eef6
|
2018-10-22T11:14:06
|
|
http transport: further refactor credential handling
Prepare credential handling to understand both git server and proxy
server authentication.
|
|
|
32cb56ce
|
2018-10-22T10:16:54
|
|
http transport: refactor credential handling
Factor credential handling into its own function. Additionally, add
safety checks to ensure that we are in a valid state - that we have
received a valid challenge from the server and that we have
configuration to respond to that challenge.
|
|
|
e6e399ab
|
2018-10-22T09:49:54
|
|
http transport: use HTTP proxies when requested
The HTTP transport should understand how to apply proxies when
configured with `GIT_PROXY_SPECIFIED` and `GIT_PROXY_SPECIFIED`.
When a proxy is configured, the HTTP transport will now connect
to the proxy (instead of directly to the git server), and will
request the properly-formed URL of the git server endpoint.
|
|
|
e6f1931a
|
2018-10-22T00:09:24
|
|
http: rename http subtransport's `io` to `gitserver_stream`
Rename `http_subtransport->io` to `http_subtransport->gitserver_stream`
to clarify its use, especially as we might have additional streams (eg
for a proxy) in the future.
|
|
|
4ecc14cd
|
2018-10-21T23:47:53
|
|
tests: support optional PROXY_SCHEME
As we want to support HTTPS proxies, support an optional
`GITTEST_REMOTE_PROXY_SCHEME` environment variable for tests that will
allow for HTTPS support. (When unset, the tests default to HTTP
proxies.)
|
|
|
de60d9b4
|
2018-10-21T21:00:37
|
|
tests: PROXY_URL is more accurately PROXY_HOST
Change the `GITTEST_REMOTE_PROXY_URL` environment variable to be
`GITTEST_REMOTE_PROXY_HOST`, since it is a host:port combination, not an
actual URL. (We cannot use a URL here since we may want to include the
username:password combination in the constructed URL.)
|
|
|
c07ff4cb
|
2018-10-21T14:17:06
|
|
http: rename `connection_data` -> `gitserver_data`
Rename the `connection_data` struct member to `gitserver_data`, to
disambiguate future `connection_data`s that apply to the proxy, not the
final server endpoint.
|
|
|
ed72465e
|
2018-10-13T19:16:54
|
|
proxy: propagate proxy configuration errors
|
|
c97d302d
|
2018-11-28T13:45:41
|
|
Merge pull request #4879 from libgit2/ethomson/defer_cert_cred_cb
Allow certificate and credential callbacks to decline to act
|
|
|
c3b427ba
|
2018-11-25T13:59:22
|
|
Merge pull request #4896 from csware/C4133
Fix warning C4133 incompatible types in MSVC
|
|
f0714daf
|
2018-11-25T13:36:29
|
|
Fix warning C4133 incompatible types in MSVC
Introduced in commit b433a22a979ae78c28c8b16f8c3487e2787cb73e.
Signed-off-by: Sven Strickroth <email@cs-ware.de>
|
|
|
a2e6e0ea
|
2018-11-06T14:15:43
|
|
transport: allow cred/cert callbacks to return GIT_PASSTHROUGH
Allow credential and certificate checking callbacks to return
GIT_PASSTHROUGH, indicating that they do not want to act.
Introduce this to support in both the http and ssh callbacks.
Additionally, enable the same mechanism for certificate validation.
This is most useful to disambiguate any meaning in the publicly exposed
credential and certificate functions (`git_transport_smart_credentials`
and `git_transport_smart_certificate_check`) but it may be more
generally useful for callers to be able to defer back to libgit2.
|
|
|
0e3e832d
|
2018-11-21T13:30:01
|
|
Merge pull request #4884 from libgit2/ethomson/index_iterator
index: introduce git_index_iterator
|
|
|
94fce582
|
2018-11-21T10:27:59
|
|
Merge pull request #4894 from pks-t/pks/commit-author-oob
commit: fix out-of-bound reads when parsing truncated author fields
|
|
|
cb23c3ef
|
2018-11-21T10:54:29
|
|
commit: fix out-of-bound reads when parsing truncated author fields
While commit objects usually should have only one author field, our commit
parser actually handles the case where a commit has multiple author fields
because some tools that exist in the wild actually write them. Detection of
those additional author fields is done by using a simple `git__prefixcmp`,
checking whether the current line starts with the string "author ". In case
where we are handed a non-NUL-terminated string that ends directly after the
space, though, we may have an out-of-bounds read of one byte when trying to
compare the expected final NUL byte.
Fix the issue by using `git__prefixncmp` instead of `git_prefixcmp`.
Unfortunately, a test cannot be easily written to catch this case. While we
could test the last error message and verify that it didn't in fact fail parsing
a signature (because that would indicate that it has in fact tried to parse the
additional "author " field, which it shouldn't be able to detect in the first
place), this doesn't work as the next line needs to be the "committer" field,
which would error out with the same error message even if we hadn't done an
out-of-bounds read.
As objects read from the object database are always NUL terminated, this issue
cannot be triggered in normal code and thus it's not security critical.
|
|
|
11d33df8
|
2018-11-18T23:39:43
|
|
Merge branch 'tiennou/fix/logallrefupdates-always'
|
|
e226ad8f
|
2018-11-17T17:55:10
|
|
refs: add support for core.logAllRefUpdates=always
Since we were not expecting this config entry to contain a string, we
would fail as soon as its (cached) value would be accessed. Hence,
provide some constants for the 4 states we use, and account for "always"
when we decide to reflog changes.
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|
|
646a94be
|
2018-11-18T23:15:56
|
|
Merge pull request #4847 from noahp/noahp/null-arg-fixes
tests: 🌀 address two null argument instances
|
|
|
5c213e29
|
2018-11-18T22:59:03
|
|
Merge pull request #4875 from tiennou/fix/openssl-errors
Some OpenSSL issues
|
|
|
0310749b
|
2018-11-18T22:58:17
|
|
Merge pull request #4892 from osener/patch-1
worktree: Expose git_worktree_add_init_options
|
|
|
4ef2b889
|
2018-11-18T22:56:28
|
|
Merge pull request #4882 from kc8apf/include_port_in_host_header
transport/http: Include non-default ports in Host header
|
|
4dcd4514
|
2018-11-18T18:13:58
|
|
worktree: Expose git_worktree_add_init_options
|
|
|
7321cff0
|
2018-11-15T09:17:51
|
|
Merge pull request #4713 from libgit2/ethomson/win_symlinks
Support symlinks on Windows when core.symlinks=true
|
|
|
8ee10098
|
2018-11-06T13:10:30
|
|
transport: see if cert/cred callbacks exist before calling them
Custom transports may want to ask libgit2 to invoke a configured
credential or certificate callback; however they likely do not know if a
callback was actually configured. Return a sentinal value
(GIT_PASSTHROUGH) if there is no callback configured instead of crashing.
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|
c358bbc5
|
2018-11-12T17:22:47
|
|
index: introduce git_index_iterator
Provide a public git_index_iterator API that is backed by an index
snapshot. This allows consumers to provide a stable iteration even
while manipulating the index during iteration.
|
|
|
9189a66a
|
2018-11-14T12:09:48
|
|
Merge pull request #4886 from pks-t/pks/strntol-truncate-leading-sign
strntol: fix out-of-bounds reads when parsing numbers with leading sign
|
|
|
4b84db6a
|
2018-11-14T12:33:38
|
|
patch_parse: remove unused function `parse_number`
The function `parse_number` was replaced by `git_parse_advance_digit`
which is provided by the parser interface in commit 252f2eeee (parse:
implement and use `git_parse_advance_digit`, 2017-07-14). As there are
no remaining callers, remove it.
|
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4209a512
|
2018-11-14T12:04:42
|
|
strntol: fix out-of-bounds reads when parsing numbers with leading sign
When parsing a number, we accept a leading plus or minus sign to return
a positive or negative number. When the parsed string has such a leading
sign, we set up a flag indicating that the number is negative and
advance the pointer to the next character in that string. This misses
updating the number of bytes in the string, though, which is why the
parser may later on do an out-of-bounds read.
Fix the issue by correctly updating both the pointer and the number of
remaining bytes. Furthermore, we need to check whether we actually have
any bytes left after having advanced the pointer, as otherwise the
auto-detection of the base may do an out-of-bonuds access. Add a test
that detects the out-of-bound read.
Note that this is not actually security critical. While there are a lot
of places where the function is called, all of these places are guarded
or irrelevant:
- commit list: this operates on objects from the ODB, which are always
NUL terminated any may thus not trigger the off-by-one OOB read.
- config: the configuration is NUL terminated.
- curl stream: user input is being parsed that is always NUL terminated
- index: the index is read via `git_futils_readbuffer`, which always NUL
terminates it.
- loose objects: used to parse the length from the object's header. As
we check previously that the buffer contains a NUL byte, this is safe.
- rebase: this parses numbers from the rebase instruction sheet. As the
rebase code uses `git_futils_readbuffer`, the buffer is always NUL
terminated.
- revparse: this parses a user provided buffer that is NUL terminated.
- signature: this parser the header information of objects. As objects
read from the ODB are always NUL terminated, this is a non-issue. The
constructor `git_signature_from_buffer` does not accept a length
parameter for the buffer, so the buffer needs to be NUL terminated, as
well.
- smart transport: the buffer that is parsed is NUL terminated
- tree cache: this parses the tree cache from the index extension. The
index itself is read via `git_futils_readbuffer`, which always NUL
terminates it.
- winhttp transport: user input is being parsed that is always NUL
terminated
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|
fd4e3b21
|
2018-11-13T15:33:20
|
|
Merge pull request #4885 from pks-t/pks/apply-test-fixups
apply: small fixups in the test suite
|
|
|
cf83809b
|
2018-11-13T14:26:26
|
|
Merge pull request #4883 from pks-t/pks/signature-tz-oob
signature: fix out-of-bounds read when parsing timezone offset
|
|
f127ce35
|
2018-11-13T08:22:25
|
|
tests: address two null argument instances
Handle two null argument cases that occur in the unit tests.
One is in library code, the other is in test code.
Detected by running unit tests with undefined behavior sanitizer:
```bash
# build
mkdir build && cd build
cmake -DBUILD_CLAR=ON -DCMAKE_C_FLAGS="-fsanitize=address \
-fsanitize=undefined -fstack-usage -static-libasan" ..
cmake --build .
# run with asan
ASAN_OPTIONS="allocator_may_return_null=1" ./libgit2_clar
...
............../libgit2/src/apply.c:316:3: runtime error: null pointer \
passed as argument 1, which is declared to never be null
...................../libgit2/tests/apply/fromfile.c:46:3: runtime \
error: null pointer passed as argument 1, which is declared to never be null
```
|
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|
afc64bcd
|
2018-11-13T14:13:40
|
|
tests: apply: fix reference to deprecated `git_buf_free`
Since commit 56ffdfc61 (buffer: deprecate `git_buf_free` in favor of
`git_buf_dispose`, 2018-02-08), the function `git_buf_free` is
deprecated and shall not be used anymore. As part of the new apply
framework that has been cooking for quite some time some new references
have been introduced to that deprecated function. Replace them with
calls to `git_buf_dispose`.
|
|
|
fe215153
|
2018-11-13T14:08:49
|
|
tests: apply: fix missing `cl_git_pass` wrappers
Some function calls in the new "apply" test suite were missing the
checks whether they succeeded as expected. Fix this by adding the
missing `cl_git_pass` wrappers.
|
|
|
20cb30b6
|
2018-11-13T13:40:17
|
|
Merge pull request #4667 from tiennou/feature/remote-create-api
Remote creation API
|
|
|
28239be3
|
2018-11-13T13:27:41
|
|
Merge pull request #4818 from pks-t/pks/index-collision
Index collision fixes
|
|
|
11fbead8
|
2018-11-11T16:40:56
|
|
Merge pull request #4705 from libgit2/ethomson/apply
Patch (diff) application
|
|
|
2f5f3cfd
|
2018-11-10T11:07:01
|
|
Merge pull request #4880 from libgit2/ethomson/smart_transport_url
smart transport: only clear url on hard reset (regression)
|
|
83b35181
|
2018-10-19T10:54:38
|
|
transport/http: Include non-default ports in Host header
When the port is omitted, the server assumes the default port for the
service is used (see
https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Host). In
cases where the client provided a non-default port, it should be passed
along.
This hasn't been an issue so far as the git protocol doesn't include
server-generated URIs. I encountered this when implementing Rust
registry support for Sonatype Nexus. Rust's registry uses a git
repository for the package index. Clients look at a file in the root of
the package index to find the base URL for downloading the packages.
Sonatype Nexus looks at the incoming HTTP request (Host header and URL)
to determine the client-facing URL base as it may be running behind a
load balancer or reverse proxy. This client-facing URL base is then used
to construct the package download base URL. When libgit2 fetches the
index from Nexus on a non-default port, Nexus trusts the incorrect Host
header and generates an incorrect package download base URL.
|
|
|
58b60fcc
|
2018-11-08T09:31:28
|
|
netops: add method to return default http port for a connection
Constant strings and logic for HTTP(S) default ports were starting to be
spread throughout netops.c. Instead of duplicating this again to
determine if a Host header should include the port, move the default
port constants and logic into an internal method in netops.{c,h}.
|
|
|
52f859fd
|
2018-11-09T19:32:08
|
|
signature: fix out-of-bounds read when parsing timezone offset
When parsing a signature's timezone offset, we first check whether there
is a timezone at all by verifying that there are still bytes left to
read following the time itself. The check thus looks like `time_end + 1
< buffer_end`, which is actually correct in this case. After setting the
timezone's start pointer to that location, we compute the remaining
bytes by using the formula `buffer_end - tz_start + 1`, re-using the
previous `time_end + 1`. But this is in fact missing the braces around
`(tz_start + 1)`, thus leading to an overestimation of the remaining
bytes by a length of two. In case of a non-NUL terminated buffer, this
will result in an overflow.
The function `git_signature__parse` is only used in two locations. First
is `git_signature_from_buffer`, which only accepts a string without a
length. The string thus necessarily has to be NUL terminated and cannot
trigger the issue.
The other function is `git_commit__parse_raw`, which can in fact trigger
the error as it may receive non-NUL terminated commit data. But as
objects read from the ODB are always NUL-terminated by us as a
cautionary measure, it cannot trigger the issue either.
In other words, this error does not have any impact on security.
|
|
|
9ad96367
|
2018-11-07T15:31:21
|
|
smart transport: only clear url on hard reset
After creating a transport for a server, we expect to be able to call
`connect`, then invoke subsequent `action` calls. We provide the URL to
these `action` calls, although our built-in transports happen to ignore
it since they've already parsed it into an internal format that they
intend to use (`gitno_connection_data`).
In ca2eb4608243162a13c427e74526b6422d5a6659, we began clearing the URL
field after a connection, meaning that subsequent calls to transport
`action` callbacks would get a NULL URL, which went undetected since the
builtin transports ignore the URL when they're already connected
(instead of re-parsing it into an internal format).
Downstream custom transport implementations (eg, LibGit2Sharp) did
notice this change, however.
Since `reset_stream` is called even when we're not closing the
subtransport, update to only clear the URL when we're closing the
subtransport. This ensures that `action` calls will get the correct URL
information even after a connection.
|
|
|
fa7aba70
|
2018-11-07T12:23:14
|
|
Merge pull request #4871 from pks-t/pks/tree-parsing-fixes
Tree parsing fixes
|
|
|
4e746d80
|
2018-11-05T15:49:11
|
|
test: ensure applying a patch can't delete a file twice
|
|
|
f8b9493b
|
2018-11-05T15:46:08
|
|
apply: test re-adding a file after removing it
Ensure that we can add a file back after it's been removed. Update the
renamed/deleted validation in application to not apply to deltas that
are adding files to support this.
|
|
|
78580ad3
|
2018-11-05T15:34:59
|
|
apply: test modifying a file after renaming it
Ensure that we cannot modify a file after it's been renamed out of the
way. If multiple deltas exist for a single path, ensure that we do not
attempt to modify a file after it's been renamed out of the way.
To support this, we must track the paths that have been removed or
renamed; add to a string map when we remove a path and remove from the
string map if we recreate a path. Validate that we are not applying to
a path that is in this map, unless the delta is a rename, since git
supports renaming one file to two different places in two different
deltas.
Further, test that we cannot apply a modification delta to a path that
will be created in the future by a rename (a path that does not yet
exist.)
|
|
|
df4258ad
|
2018-11-04T13:01:03
|
|
apply: handle multiple deltas to the same file
git allows a patch file to contain multiple deltas to the same file:
although it does not produce files in this format itself, this could
be the result of concatenating two different patch files that affected
the same file.
git apply behaves by applying this next delta to the existing postimage
of the file. We should do the same. If we have previously seen a file,
and produced a postimage for it, we will load that postimage and apply
the current delta to that. If we have not, get the file from the
preimage.
|
|
|
c71e964a
|
2018-11-04T12:21:57
|
|
apply: test rename 1 to 2
Test that a patch can contain two deltas that appear to rename an
initial source file to two different destination paths. Git creates
both target files with the initial source contents; ensure that we do,
too.
|
|
|
56a2ae0c
|
2018-11-04T12:18:01
|
|
apply: test rename 2 to 1
Test that we can apply a patch that renames two different files to the
same target filename. Git itself handles this scenario in a last-write
wins, such that the rename listed last is the one persisted in the
target. Ensure that we do the same.
|
|
|
235dc9b2
|
2018-11-04T12:05:46
|
|
apply: test circular rename
Test a rename from A->B simultaneous with a rename from B->A.
|
|
|
89b5a56e
|
2018-11-04T11:58:20
|
|
apply: test rename A -> B -> C scenarios
Test that we can rename some file from B->C and then rename some other
file from A->B. Do this with both exact rename patches (eg `rename from
...` / `rename to ...`) and patches that remove the files and replace
them entirely.
|
|
|
6fecf4d1
|
2018-11-04T11:47:46
|
|
apply: handle exact renames
Deltas containing exact renames are special; they simple indicate that a
file was renamed without providing additional metadata (like the
filemode). Teach the reader to provide the file mode and use the
preimage's filemode in the case that the delta does not provide one.)
|
|
|
12f9ac17
|
2018-11-04T11:26:42
|
|
apply: validate unchanged mode when applying both
When applying to both the index and the working directory, ensure that
the working directory's mode matches the index's mode. It's not
sufficient to look only at the hashed object id to determine that the
file is unchanged, git also takes the mode into account.
|
|
|
b73a42f6
|
2018-11-04T10:48:23
|
|
apply: test a patch with rename and modification
Create a test applying a patch with a rename and a modification of a
file.
|
|
620ac9c2
|
2017-04-11T14:41:57
|
|
patch: add tests for aborting hunk callback
|
|
|
72630572
|
2017-03-30T22:40:47
|
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patch: add support for partial patch application
Add hunk callback parameter to git_apply__patch to allow hunks to be skipped.
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52e27b84
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2018-10-10T12:42:54
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reader: free is unused and unnecessary
None of the reader implementations actually allocate anything
themselves, so they don't need a free function. Remove it.
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47cc5f85
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2018-09-29T19:32:51
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apply: introduce a hunk callback
Introduce a callback to patch application that allows consumers to
cancel hunk application.
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398d8bfe
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2018-07-16T17:19:08
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apply tests: tests a diff w/ many small changes
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b8840db7
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2018-07-10T16:18:45
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apply tests: test delta callback skip
Test that we can return a non-zero value from the apply delta
callback and it will skip the application of a given delta.
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db6b1164
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2018-07-10T16:13:17
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apply tests: test delta callback errors
Test that we can return an error from the apply delta callback and the
error code is propagated back to the caller.
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af33210b
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2018-07-10T16:10:03
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apply: introduce a delta callback
Introduce a callback to the application options that allow callers to
add a per-delta callback. The callback can return an error code to stop
patch application, or can return a value to skip the application of a
particular delta.
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605066ee
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2018-11-05T14:37:35
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apply: test renaming a file after modifying it
Multiple deltas can exist in a diff, and can be applied in-order.
If there exists a delta that modifies a file followed by a delta that
renames that file, then both will be captured. The modification delta
will be applied and the resulting file will be staged with the original
filename. The rename delta will be independently applied - to the
original file (not the modified file from the original delta) and staged
independently.
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bd682f3e
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2018-11-04T19:01:57
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apply: test that we can't rename a file after modifying it
Multiple deltas can exist in a diff, and can be applied in-order.
However if there exists a delta that renames a file, it must be first,
so that other deltas can reference the resulting target file.
git enforces this (`error: already exists in index`), so ensure that we
do, too.
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a3c1070c
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2018-11-04T14:07:22
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apply: test modify delta after rename delta
Ensure that we can apply a delta after renaming a file.
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07e71bfa
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2018-11-04T13:14:20
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apply: test multiple deltas to new file
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37b25ac5
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2018-07-08T16:12:58
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apply: move location to an argument, not the opts
Move the location option to an argument, out of the options structure.
This allows the options structure to be re-used for functions that don't
need to know the location, since it's implicit in their functionality.
For example, `git_apply_tree` should not take a location, but is
expected to take all the other options.
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2d27ddc0
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2018-07-01T21:35:51
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apply: use an indexwriter
Place the entire `git_apply` operation inside an indexwriter, so that we
lock the index before we begin performing patch application. This
ensures that there are no other processes modifying things in the
working directory.
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eb76e985
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2018-07-01T21:21:25
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apply tests: ensure mode changes occur
Test that a mode change is reflected in the working directory or index.
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5c63ce79
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2018-07-01T11:10:03
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apply tests: test with CR/LF filtering
Ensure that we accurately CR/LF filter when reading from the working
directory. If we did not, we would erroneously fail to apply the patch
because the index contents did not match the working directory contents.
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9be89bbd
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2018-07-01T11:08:26
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reader: apply working directory filters
When reading a file from the working directory, ensure that we apply any
necessary filters to the item. This ensures that we get the
repository-normalized data as the preimage, and further ensures that we
can accurately compare the working directory contents to the index
contents for accurate safety validation in the `BOTH` case.
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813f0802
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2018-07-01T15:14:36
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apply: validate workdir contents match index for BOTH
When applying to both the index and the working directory, ensure that
the index contents match the working directory. This mirrors the
requirement in `git apply --index`.
This also means that - along with the prior commit that uses the working
directory contents as the checkout baseline - we no longer expect
conflicts during checkout. So remove the special-case error handling
for checkout conflicts. (Any checkout conflict now would be because the
file was actually modified between the start of patch application and
the checkout.)
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0f4b2f02
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2018-07-01T15:13:50
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reader: optionally validate index matches workdir
When using a workdir reader, optionally validate that the index contents
match the working directory contents.
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3b674660
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2018-07-01T13:46:59
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apply tests: ensure we can patch a modified file
Patch application need not be on an unmodified file; applying to an
already changed file is supported provided the patch still applies
cleanly. Add tests that modifies the contents of a file then applies
the patch and ensures that the patch applies cleanly, and the original
changes are also kept.
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5b8d5a22
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2018-07-01T13:42:53
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apply: use preimage as the checkout baseline
Use the preimage as the checkout's baseline. This allows us to support
applying patches to files that are modified in the working directory
(those that differ from the HEAD and index). Without this, files will
be reported as (checkout) conflicts. With this, we expect the on-disk
data when we began the patch application (the "preimage") to be on-disk
during checkout.
We could have also simply used the `FORCE` flag to checkout to
accomplish a similar mechanism. However, `FORCE` ignores all
differences, while providing a preimage ensures that we will only
overwrite the file contents that we actually read.
Modify the reader interface to provide the OID to support this.
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4ff829e9
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2018-06-30T17:20:03
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apply tests: test index+workdir application
Test application with `GIT_APPLY_LOCATION_BOTH`, which emulates
`git apply --index`, updating both the index and the working directory
with the postimage.
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dddfff77
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2018-06-30T17:12:16
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apply: convert checkout conflicts to apply failures
When there's a checkout conflict during apply, that means that the
working directory was modified in a conflicting manner and the postimage
cannot be written. During application, convert this to an application
failure for consistency across workdir/index/both applications.
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9db66c79
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2018-06-29T12:50:38
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apply test: apply with non-conflicting changes
Ensure that we can apply to the working directory or the index when the
application target is modified, so long as there are not conflicting
changes to the items.
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771bd81e
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2018-06-29T12:40:16
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apply tests: ensure apply failures leave index unmodified
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5b66b667
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2018-06-29T12:39:41
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apply: when preimage file is missing, return EAPPLYFAIL
The preimage file being missing entirely is simply a case of an
application failure; return the correct error value for the caller.
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e0224121
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2018-06-29T12:09:02
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apply: simplify checkout vs index application
Separate the concerns of applying via checkout and updating the
repository's index. This results in simpler functionality and allows us
to not build the temporary collection of paths in the index case.
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2bd3cfea
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2018-06-29T11:43:55
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apply tests: modified wd items are ok when applying to index
When applying to the index (using `GIT_APPLY_LOCATION_INDEX`), ensure
that items modified in the working directory do not conflict with the
application.
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d7090ee4
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2018-06-28T17:26:24
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apply tests: ensure we can add and remove files from the index
Add a test that adds a new file, and another that removes a file when
applying using `GIT_APPLY_LOCATION_INDEX` to ensure that they work.
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20f8a6db
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2018-06-28T17:26:21
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apply: remove deleted paths from index
We update the index with the new_file side of the delta, but we need to
explicitly remove the old_file path in the case where an item was
deleted or renamed.
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9d81defa
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2018-06-28T16:26:08
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apply tests: GIT_APPLY_LOCATION_INDEX with parsed patches
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eef34e4e
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2018-06-28T16:24:21
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apply tests: GIT_APPLY_LOCATION_INDEX with generated patches
Test a simple patch application with `GIT_APPLY_LOCATION_INDEX`, which
emulates `git apply --cached`.
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c010c93b
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2018-06-27T16:50:07
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apply tests: move helpers into common area
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