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2017-01-31update-ref: add test cases for bare repositoryLibravatar Cornelius Weig1-7/+36
The default behavior of update-ref to create reflogs differs in repositories with worktree and bare ones. The existing tests cover only the behavior of repositories with worktree. This commit adds tests that assert the correct behavior in bare repositories for update-ref. Two cases are covered: - If core.logAllRefUpdates is not set, no reflogs should be created - If core.logAllRefUpdates is true, reflogs should be created Signed-off-by: Cornelius Weig <cornelius.weig@tngtech.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-01-31refs: add option core.logAllRefUpdates = alwaysLibravatar Cornelius Weig1-0/+37
When core.logallrefupdates is true, we only create a new reflog for refs that are under certain well-known hierarchies. The reason is that we know that some hierarchies (like refs/tags) are not meant to change, and that unknown hierarchies might not want reflogs at all (e.g., a hypothetical refs/foo might be meant to change often and drop old history immediately). However, sometimes it is useful to override this decision and simply log for all refs, because the safety and audit trail is more important than the performance implications of keeping the log around. This patch introduces a new "always" mode for the core.logallrefupdates option which will log updates to everything under refs/, regardless where in the hierarchy it is (we still will not log things like ORIG_HEAD and FETCH_HEAD, which are known to be transient). Based-on-patch-by: Jeff King <peff@peff.net> Signed-off-by: Cornelius Weig <cornelius.weig@tngtech.com> Reviewed-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-07-25Merge branch 'mh/split-under-lock'Libravatar Junio C Hamano1-3/+38
Further preparatory work on the refs API before the pluggable backend series can land. * mh/split-under-lock: (33 commits) lock_ref_sha1_basic(): only handle REF_NODEREF mode commit_ref_update(): remove the flags parameter lock_ref_for_update(): don't resolve symrefs lock_ref_for_update(): don't re-read non-symbolic references refs: resolve symbolic refs first ref_transaction_update(): check refname_is_safe() at a minimum unlock_ref(): move definition higher in the file lock_ref_for_update(): new function add_update(): initialize the whole ref_update verify_refname_available(): adjust constness in declaration refs: don't dereference on rename refs: allow log-only updates delete_branches(): use resolve_refdup() ref_transaction_commit(): correctly report close_ref() failure ref_transaction_create(): disallow recursive pruning refs: make error messages more consistent lock_ref_sha1_basic(): remove unneeded local variable read_raw_ref(): move docstring to header file read_raw_ref(): improve docstring read_raw_ref(): rename symref argument to referent ...
2016-06-17tests: use test_i18n* functions to suppress false positivesLibravatar Vasco Almeida1-1/+1
The test functions test_i18ncmp and test_i18ngrep pretend success if run under GETTEXT_POISON. By using those functions to test output which is correctly marked as translatable, enables one to detect if the strings newly marked for translation are from plumbing output. If they are indeed from plumbing, the test would fail, and the string should be unmarked, since it is not seen by users. Thus, it is productive to not have false positives when running the test under GETTEXT_POISON. This commit replaces normal test functions by their i18n aware variants in use-cases know to be correctly marked for translation, suppressing false positives. Signed-off-by: Vasco Almeida <vascomalmeida@sapo.pt> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-13refs: resolve symbolic refs firstLibravatar Michael Haggerty1-0/+35
Before committing ref updates, split symbolic ref updates into two parts: an update to the underlying ref, and a log-only update to the symbolic ref. This ensures that both references are locked correctly during the transaction, including while their reflogs are updated. Similarly, if the reference pointed to by HEAD is modified directly, add a separate log-only update to HEAD, rather than leaving the job of updating HEAD's reflog to commit_ref_update(). This change ensures that HEAD is locked correctly while its reflog is being modified, as well as being cheaper (HEAD only needs to be resolved once). This makes use of a new function, lock_raw_ref(), which is analogous to read_raw_ref(), but acquires a lock on the reference before reading it. This change still has two problems: * There are redundant read_ref_full() reference lookups. * It is still possible to get incorrect reflogs for symbolic references if there is a concurrent update by another process, since the old_oid of a symref is determined before the lock on the pointed-to ref is held. Both problems will soon be fixed. Signed-off-by: David Turner <dturner@twopensource.com> Signed-off-by: Junio C Hamano <gitster@pobox.com> Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> WIP
2016-06-13ref_transaction_update(): check refname_is_safe() at a minimumLibravatar Michael Haggerty1-1/+1
If the user has asked that a new value be set for a reference, we use check_refname_format() to verify that the reference name satisfies all of the rules. But in other cases, at least check that refname_is_safe(). Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
2016-06-13refs: make error messages more consistentLibravatar Michael Haggerty1-2/+2
* Always start error messages with a lower-case letter. * Always enclose reference names in single quotes. Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
2015-09-01refs: make refs/bisect/* per-worktreeLibravatar David Turner1-0/+19
We need the place we stick refs for bisects in progress to not be shared between worktrees. So we make the refs/bisect/ hierarchy per-worktree. The is_per_worktree_ref function and associated docs learn that refs/bisect/ is per-worktree, as does the git_path code in path.c The ref-packing functions learn that per-worktree refs should not be packed (since packed-refs is common rather than per-worktree). Since refs/bisect is per-worktree, logs/refs/bisect should be too. Signed-off-by: David Turner <dturner@twopensource.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2015-08-12Merge branch 'dt/reflog-tests'Libravatar Junio C Hamano1-3/+2
Tests that assume how reflogs are represented on the filesystem too much have been corrected. * dt/reflog-tests: tests: remove some direct access to .git/logs t/t7509: remove unnecessary manipulation of reflog
2015-07-28tests: remove some direct access to .git/logsLibravatar David Turner1-3/+2
Alternate refs backends might store reflogs somewhere other than .git/logs. Change most test code that directly accesses .git/logs to instead use git reflog commands. There are still a few tests which need direct access to reflogs: to check reflog permissions, to manually create reflogs from scratch, to save/restore reflogs, to check the format of raw reflog data, and to remove not just reflog contents, but the reflogs themselves. All cases which don't need direct access have been modified. Signed-off-by: David Turner <dturner@twopensource.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2015-07-21update-ref and tag: add --create-reflog argLibravatar David Turner1-0/+38
Allow the creation of a ref (e.g. stash) with a reflog already in place. For most refs (e.g. those under refs/heads), this happens automatically, but for others, we need this option. Currently, git does this by pre-creating the reflog, but alternate ref backends might store reflogs somewhere other than .git/logs. Code that now directly manipulates .git/logs should instead use git plumbing commands. I also added --create-reflog to git tag, just for completeness. In a moment, we will use this argument to make git stash work with alternate ref backends. Signed-off-by: David Turner <dturner@twopensource.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2015-06-05Merge branch 'mh/write-refs-sooner-2.4' into maintLibravatar Junio C Hamano1-0/+28
Multi-ref transaction support we merged a few releases ago unnecessarily kept many file descriptors open, risking to fail with resource exhaustion. This is for 2.4.x track. * mh/write-refs-sooner-2.4: ref_transaction_commit(): fix atomicity and avoid fd exhaustion ref_transaction_commit(): remove the local flags variable ref_transaction_commit(): inline call to write_ref_sha1() rename_ref(): inline calls to write_ref_sha1() from this function commit_ref_update(): new function, extracted from write_ref_sha1() write_ref_to_lockfile(): new function, extracted from write_ref_sha1() t7004: rename ULIMIT test prerequisite to ULIMIT_STACK_SIZE update-ref: test handling large transactions properly ref_transaction_commit(): fix atomicity and avoid fd exhaustion ref_transaction_commit(): remove the local flags variable ref_transaction_commit(): inline call to write_ref_sha1() rename_ref(): inline calls to write_ref_sha1() from this function commit_ref_update(): new function, extracted from write_ref_sha1() write_ref_to_lockfile(): new function, extracted from write_ref_sha1() t7004: rename ULIMIT test prerequisite to ULIMIT_STACK_SIZE update-ref: test handling large transactions properly
2015-05-27ref_transaction_commit(): do not capitalize error messagesLibravatar Michael Haggerty1-7/+7
Our convention is for error messages to start with a lower-case letter. Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2015-05-22Merge branch 'mh/ref-directory-file'Libravatar Junio C Hamano1-7/+7
The ref API did not handle cases where 'refs/heads/xyzzy/frotz' is removed at the same time as 'refs/heads/xyzzy' is added (or vice versa) very well. * mh/ref-directory-file: reflog_expire(): integrate lock_ref_sha1_basic() errors into ours ref_transaction_commit(): delete extra "the" from error message ref_transaction_commit(): provide better error messages rename_ref(): integrate lock_ref_sha1_basic() errors into ours lock_ref_sha1_basic(): improve diagnostics for ref D/F conflicts lock_ref_sha1_basic(): report errors via a "struct strbuf *err" verify_refname_available(): report errors via a "struct strbuf *err" verify_refname_available(): rename function refs: check for D/F conflicts among refs created in a transaction ref_transaction_commit(): use a string_list for detecting duplicates is_refname_available(): use dirname in first loop struct nonmatching_ref_data: store a refname instead of a ref_entry report_refname_conflict(): inline function entry_matches(): inline function is_refname_available(): convert local variable "dirname" to strbuf is_refname_available(): avoid shadowing "dir" variable is_refname_available(): revamp the comments t1404: new tests of ref D/F conflicts within transactions
2015-05-12ref_transaction_commit(): fix atomicity and avoid fd exhaustionLibravatar Michael Haggerty1-2/+2
The old code was roughly for update in updates: acquire locks and check old_sha for update in updates: if changing value: write_ref_to_lockfile() commit_ref_update() for update in updates: if deleting value: unlink() rewrite packed-refs file for update in updates: if reference still locked: unlock_ref() This has two problems. Non-atomic updates ================== The atomicity of the reference transaction depends on all pre-checks being done in the first loop, before any changes have started being committed in the second loop. The problem is that write_ref_to_lockfile() (previously part of write_ref_sha1()), which is called from the second loop, contains two more checks: * It verifies that new_sha1 is a valid object * If the reference being updated is a branch, it verifies that new_sha1 points at a commit object (as opposed to a tag, tree, or blob). If either of these checks fails, the "transaction" is aborted during the second loop. But this might happen after some reference updates have already been permanently committed. In other words, the all-or-nothing promise of "git update-ref --stdin" could be violated. So these checks have to be moved to the first loop. File descriptor exhaustion ========================== The old code locked all of the references in the first loop, leaving all of the lockfiles open until later loops. Since we might be updating a lot of references, this could result in file descriptor exhaustion. The solution ============ After this patch, the code looks like for update in updates: acquire locks and check old_sha if changing value: write_ref_to_lockfile() else: close_ref() for update in updates: if changing value: commit_ref_update() for update in updates: if deleting value: unlink() rewrite packed-refs file for update in updates: if reference still locked: unlock_ref() This fixes both problems: 1. The pre-checks in write_ref_to_lockfile() are now done in the first loop, before any changes have been committed. If any of the checks fails, the whole transaction can now be rolled back correctly. 2. All lockfiles are closed in the first loop immediately after they are created (either by write_ref_to_lockfile() or by close_ref()). This means that there is never more than one open lockfile at a time, preventing file descriptor exhaustion. To simplify the bookkeeping across loops, add a new REF_NEEDS_COMMIT bit to update->flags, which keeps track of whether the corresponding lockfile needs to be committed, as opposed to just unlocked. (Since "struct ref_update" is internal to the refs module, this change is not visible to external callers.) This change fixes two tests in t1400. Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2015-05-12update-ref: test handling large transactions properlyLibravatar Stefan Beller1-0/+28
Signed-off-by: Stefan Beller <sbeller@google.com> Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2015-05-11ref_transaction_commit(): delete extra "the" from error messageLibravatar Michael Haggerty1-7/+7
While we are in the area, let's remove a superfluous definite article from the error message that is emitted when the reference cannot be locked. This improves how it reads and makes it a bit shorter. Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
2014-12-11update-ref: fix "verify" command with missing <oldvalue>Libravatar Michael Haggerty1-2/+2
If "git update-ref --stdin" was given a "verify" command with no "<newvalue>" at all (not even zeros), the code was mistakenly setting have_old=0 (and leaving old_sha1 uninitialized). But this is incorrect: this command is supposed to verify that the reference doesn't exist. So in this case we really need old_sha1 to be set to null_sha1 and have_old to be set to 1. Moreover, since have_old was being set to zero, *no* check of the old value was being done, so the new value of the reference was being set unconditionally to the value in new_sha1. new_sha1, in turn, was set to null_sha1 in the expectation that that was the old value and it shouldn't be changed. But because the precondition was not being checked, the result was that the reference was being deleted unconditionally. So, if <oldvalue> is missing, set have_old unconditionally and set old_sha1 to null_sha1. Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Acked-by: Brad King <brad.king@kitware.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-12-11t1400: add some more tests of "update-ref --stdin"'s verify commandLibravatar Michael Haggerty1-0/+92
Two of the tests fail because verify refs/heads/foo with no argument (not even zeros) actually *deletes* refs/heads/foo. This problem will be fixed in the next commit. Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-10-15test: put tests for handling of bad ref names in one placeLibravatar Ronnie Sahlberg1-44/+0
There's no straightforward way to grep for all tests dealing with invalid refs. Put them in a single test script so it is easy to see what functionality has not been exercised with bad ref names yet. Signed-off-by: Ronnie Sahlberg <sahlberg@google.com> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-10-15branch -d: avoid repeated symref resolutionLibravatar Jonathan Nieder1-0/+34
If a repository gets in a broken state with too much symref nesting, it cannot be repaired with "git branch -d": $ git symbolic-ref refs/heads/nonsense refs/heads/nonsense $ git branch -d nonsense error: branch 'nonsense' not found. Worse, "git update-ref --no-deref -d" doesn't work for such repairs either: $ git update-ref -d refs/heads/nonsense error: unable to resolve reference refs/heads/nonsense: Too many levels of symbolic links Fix both by teaching resolve_ref_unsafe a new RESOLVE_REF_NO_RECURSE flag and passing it when appropriate. Callers can still read the value of a symref (for example to print a message about it) with that flag set --- resolve_ref_unsafe will resolve one level of symrefs and stop there. Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Reviewed-by: Ronnie Sahlberg <sahlberg@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-06-16Merge branch 'rs/read-ref-at'Libravatar Junio C Hamano1-2/+2
* rs/read-ref-at: refs.c: change read_ref_at to use the reflog iterators
2014-06-03Merge branch 'mh/ref-transaction'Libravatar Junio C Hamano1-31/+69
Update "update-ref --stdin [-z]" and then introduce a transactional support for (multi-)reference updates. * mh/ref-transaction: (27 commits) ref_transaction_commit(): work with transaction->updates in place struct ref_update: add a type field struct ref_update: add a lock field ref_transaction_commit(): simplify code using temporary variables struct ref_update: store refname as a FLEX_ARRAY struct ref_update: rename field "ref_name" to "refname" refs: remove API function update_refs() update-ref --stdin: reimplement using reference transactions refs: add a concept of a reference transaction update-ref --stdin: harmonize error messages update-ref --stdin: improve the error message for unexpected EOF t1400: test one mistake at a time update-ref --stdin -z: deprecate interpreting the empty string as zeros update-ref.c: extract a new function, parse_next_sha1() t1400: test that stdin -z update treats empty <newvalue> as zeros update-ref --stdin: simplify error messages for missing oldvalues update-ref --stdin: make error messages more consistent update-ref --stdin: improve error messages for invalid values update-ref.c: extract a new function, parse_refname() parse_cmd_verify(): copy old_sha1 instead of evaluating <oldvalue> twice ...
2014-06-03refs.c: change read_ref_at to use the reflog iteratorsLibravatar Ronnie Sahlberg1-2/+2
read_ref_at has its own parsing of the reflog file for no really good reason so lets change this to use the existing reflog iterators. This removes one instance where we manually unmarshall the reflog file format. Remove the now redundant ref_msg function. Log messages for errors are changed slightly. We no longer print the file name for the reflog, instead we refer to it as 'Log for ref <refname>'. This might be a minor useability regression, but I don't really think so, since experienced users would know where the log is anyway and inexperienced users would not know what to do about/how to repair 'Log ... has gap ...' anyway. Adapt the t1400 test to handle the change in log messages. Signed-off-by: Ronnie Sahlberg <sahlberg@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-04-07update-ref --stdin: harmonize error messagesLibravatar Michael Haggerty1-16/+16
Make (most of) the error messages for invalid input have the same format [1]: $COMMAND [SP $REFNAME]: $MESSAGE Update the tests accordingly. [1] A few error messages are left with their old form, because $COMMAND and $REFNAME aren't passed all the way down the call stack. Maybe those sites should be changed some day, too. Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-04-07update-ref --stdin: improve the error message for unexpected EOFLibravatar Michael Haggerty1-6/+6
Distinguish this error from the error that an argument is missing for another reason. Update the tests accordingly. Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-04-07t1400: test one mistake at a timeLibravatar Michael Haggerty1-1/+7
This case wants to test passing a bad refname to the "update" command. But it also passes too few arguments to "update", which muddles the situation: which error should be diagnosed? So split this test into two: * One that passes too few arguments to update * One that passes all three arguments to "update", but with a bad refname. Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-04-07update-ref --stdin -z: deprecate interpreting the empty string as zerosLibravatar Michael Haggerty1-2/+3
In the original version of this command, for the single case of the "update" command's <newvalue>, the empty string was interpreted as being equivalent to 40 "0"s. This shorthand is unnecessary (binary input will usually be generated programmatically anyway), and it complicates the parser and the documentation. So gently deprecate this usage: remove its description from the documentation and emit a warning if it is found. But for reasons of backwards compatibility, continue to accept it. Helped-by: Brad King <brad.king@kitware.com> Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-04-07update-ref.c: extract a new function, parse_next_sha1()Libravatar Michael Haggerty1-1/+1
Replace three functions, update_store_new_sha1(), update_store_old_sha1(), and parse_next_arg(), with a single function, parse_next_sha1(). The new function takes care of a whole argument, including checking whether it is there, converting it to an SHA-1, and emitting errors on EOF or for invalid values. The return value indicates whether the argument was present or absent, which requires a bit of intelligence because absent values are represented differently depending on whether "-z" was used. The new interface means that the calling functions, parse_cmd_*(), don't have to interpret the result differently based on the line_termination mode that is in effect. It also means that parse_cmd_create() can distinguish unambiguously between an empty new value and a zeros new value, which fixes a failure in t1400. Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-04-07t1400: test that stdin -z update treats empty <newvalue> as zerosLibravatar Michael Haggerty1-0/+7
This is the (slightly inconsistent) status quo; make sure it doesn't change by accident. Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-04-07update-ref --stdin: simplify error messages for missing oldvaluesLibravatar Michael Haggerty1-3/+3
Instead of, for example, fatal: update refs/heads/master missing [<oldvalue>] NUL emit fatal: update refs/heads/master missing <oldvalue> Update the tests accordingly. Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-04-07update-ref --stdin: make error messages more consistentLibravatar Michael Haggerty1-7/+7
The old error messages emitted for invalid input sometimes said "<oldvalue>"/"<newvalue>" and sometimes said "old value"/"new value". Convert them all to the former. Update the tests accordingly. Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-04-07update-ref --stdin: improve error messages for invalid valuesLibravatar Michael Haggerty1-4/+4
If an invalid value is passed to "update-ref --stdin" as <oldvalue> or <newvalue>, include the command and the name of the reference at the beginning of the error message. Update the tests accordingly. Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-04-07t1400: add some more tests involving quoted argumentsLibravatar Michael Haggerty1-1/+25
Previously there were no good tests of C-quoted arguments. Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-04-07parse_arg(): really test that argument is properly terminatedLibravatar Michael Haggerty1-2/+2
The old parse_arg(), when fed an argument "refs/heads/a"master parsed 'refs/heads/a' off of the front of the argument and considered itself successful. It was only when parse_next_arg() tried to parse the *next* argument that a problem was noticed. But in fact, the definition of the input format requires arguments to be terminated by SP or NUL, so *this* argument is already erroneous and parse_arg() should diagnose the problem. So teach parse_arg() to verify that C-quoted arguments are terminated correctly. If not, emit a more specific error message. There is no corresponding error case of a non-C-quoted argument that is not terminated correctly, because the end of a non-quoted argument is *by definition* a space or NUL, so there is no way to insert other junk between the "end" of the argument and the argument terminator. Adjust the tests to expect the new error message. Add a docstring to the function, incorporating the comments that were formerly within the function plus some added information. Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-04-07t1400: provide more usual input to the commandLibravatar Michael Haggerty1-1/+1
The old version was passing (among other things) update SP refs/heads/c NUL NUL 0{40} NUL to "git update-ref -z --stdin" to test whether the old-value check for c is working. But the <newvalue> is empty, which is a bit off the beaten track. So, to be sure that we are testing what we want to test, provide an actual <newvalue> on the "update" line. Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-04-07t1400: fix name and expected result of one testLibravatar Michael Haggerty1-2/+2
The test stdin -z create ref fails with zero new value actually passes an empty new value, not a zero new value. So rename the test s/zero/empty/, and change the expected error from fatal: create $c given zero new value to fatal: create $c missing <newvalue> Of course, this makes the test fail now, because although "git update-ref" tries to distinguish between these two errors, it does not succeed in this situation. Fixing it is more than a one-liner, so mark the test test_expect_failure for now. The failure will be fixed later in this patch series. Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-04-02update-ref: fail create operation over stdin if ref already existsLibravatar Aman Gupta1-0/+11
Signed-off-by: Aman Gupta <aman@tmm1.net> Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Acked-by: Brad King <brad.king@kitware.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-09-11update-ref: add test cases covering --stdin signatureLibravatar Brad King1-0/+632
Extend t/t1400-update-ref.sh to cover cases using the --stdin option. Signed-off-by: Brad King <brad.king@kitware.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-10-21Fix failure to delete a packed ref through a symrefLibravatar Johan Herland1-1/+1
When deleting a ref through a symref (e.g. using 'git update-ref -d HEAD' to delete refs/heads/master), we would remove the loose ref, but a packed version of the same ref would remain, the end result being that instead of deleting refs/heads/master we would appear to reset it to its state as of the last repack. This patch fixes the issue, by making sure we pass the correct ref name when invoking repack_without_ref() from within delete_ref(). Signed-off-by: Johan Herland <johan@herland.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-10-21t1400-update-ref: Add test verifying bug with symrefs in delete_ref()Libravatar Johan Herland1-0/+18
When deleting a ref through a symref (e.g. using 'git update-ref -d HEAD' to delete refs/heads/master), we currently fail to remove the packed version of that ref. This testcase demonstrates the bug. Signed-off-by: Johan Herland <johan@herland.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-05-06Merge branch 'jc/fix-diff-files-unmerged'Libravatar Junio C Hamano1-1/+1
* jc/fix-diff-files-unmerged: diff-files: show unmerged entries correctly diff: remove often unused parameters from diff_unmerge() diff.c: return filepair from diff_unmerge() test: use $_z40 from test-lib
2011-04-23test: use $_z40 from test-libLibravatar Junio C Hamano1-1/+1
There is no need to duplicate the definition of $_z40 and $_x40 that test-lib.sh supplies the test scripts. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-11-09t1400 (update-ref): use test_must_failLibravatar Jonathan Nieder1-3/+2
As t/README explains: When a gitcommand dies due to a segfault, test_must_fail diagnoses it as an error; "! git <command>" treats it as just another expected failure, which would let such a bug go unnoticed. Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-11-09tests: add missing &&, batch 2Libravatar Jonathan Nieder1-10/+10
Same rules as before: this patch only adds " &&" to the end of some lines in the test suite. Intended to be applied on top of or squashed with the last batch if they look okay. Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-03-17Tests: use test_cmp instead of diff where possibleLibravatar Miklos Vajna1-3/+3
Several old tests were written before test_cmp was introduced, convert these to test_cmp. If were are at it, fix the order of the arguments where necessary to make expected come first, so the command shows how the test result deviates from the correct output. Signed-off-by: Miklos Vajna <vmiklos@frugalware.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-10-31update-ref --no-deref -d: handle the case when the pointed ref is packedLibravatar Miklos Vajna1-0/+11
In this case we did nothing in the past, but we should delete the reference in fact. The problem was that when the symref is not packed but the referenced ref is packed, then we assumed that the symref is packed as well, but symrefs are never packed. Signed-off-by: Miklos Vajna <vmiklos@frugalware.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-10-26Fix git update-ref --no-deref -d.Libravatar Miklos Vajna1-0/+7
Till now --no-deref was just ignored when deleting refs, fix this. Signed-off-by: Miklos Vajna <vmiklos@frugalware.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-09-03tests: use "git xyzzy" form (t0000 - t3599)Libravatar Nanako Shiraishi1-5/+5
Converts tests between t0050-t3903. Signed-off-by: Nanako Shiraishi <nanako3@lavabit.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-07-13t/: Use "test_must_fail git" instead of "! git"Libravatar Stephan Beyer1-2/+2
This patch changes every occurrence of "! git" -- with the meaning that a git call has to gracefully fail -- into "test_must_fail git". This is useful to - make sure the test does not fail because of a signal, e.g. SIGSEGV, and - advertise the use of "test_must_fail" for new tests. Signed-off-by: Stephan Beyer <s-beyer@gmx.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>