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2018-03-26t2107: abstract away SHA-1-specific constantsLibravatar brian m. carlson1-3/+3
Use the $EMPTY_BLOB variable instead of hard-coding a hash. Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-09-14update-index: add test for chmod flagsLibravatar Thomas Gummerer1-0/+13
Currently there is no test checking the expected behaviour when multiple chmod flags with different arguments are passed. As argument handling is not in line with other git commands it's easy to miss and accidentally change the current behaviour. While there, fix the argument type of chmod_path, which takes an int, but had a char passed in. Signed-off-by: Thomas Gummerer <t.gummerer@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-11-03lockfile.c: store absolute pathLibravatar Nguyễn Thái Ngọc Duy1-0/+15
Locked paths can be saved in a linked list so that if something wrong happens, *.lock are removed. For relative paths, this works fine if we keep cwd the same, which is true 99% of time except: - update-index and read-tree hold the lock on $GIT_DIR/index really early, then later on may call setup_work_tree() to move cwd. - Suppose a lock is being held (e.g. by "git add") then somewhere down the line, somebody calls real_path (e.g. "link_alt_odb_entry"), which temporarily moves cwd away and back. During that time when cwd is moved (either permanently or temporarily) and we decide to die(), attempts to remove relative *.lock will fail, and the next operation will complain that some files are still locked. Avoid this case by turning relative paths to absolute before storing the path in "filename" field. Reported-by: Yue Lin Ho <yuelinho777@gmail.com> Helped-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk> Helped-by: Johannes Sixt <j6t@kdbg.org> Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Adapted-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-06-04update-index: fix segfault with missing --cacheinfo argumentLibravatar Jeff King1-0/+4
Running "git update-index --cacheinfo" without any further arguments results in a segfault rather than an error message. Commit ec160ae (update-index: teach --cacheinfo a new syntax "mode,sha1,path", 2014-03-23) added code to examine the format of the argument, but forgot to handle the NULL case. Returning an error from the parser is enough, since we then treat it as an old-style "--cacheinfo <mode> <sha1> <path>", and complain that we have less than 3 arguments to read. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-03-24update-index: teach --cacheinfo a new syntax "mode,sha1,path"Libravatar Junio C Hamano1-0/+13
The "--cacheinfo" option is unusual in that it takes three option parameters. An option with an optional parameter is bad enough. An option with multiple parameters is simply insane. Introduce a new syntax that takes these three things concatenated together with a comma, which makes the command line syntax more uniform across subcommands, while retaining the traditional syntax for backward compatiblity. If we were designing the "update-index" subcommand from scratch today, it may probably have made sense to make this option (and possibly others) a command mode option that does not take any option parameter (hence no need for arg-help). But we do not live in such an ideal world, and as far as I can tell, the command still supports (and must support) mixed command modes in a single invocation, e.g. $ git update-index path1 --add path2 \ --cacheinfo 100644 $(git hash-object --stdin -w <path3) path3 \ path4 must make sure path1 is already in the index and update all of these four paths. So this is probably as far as we can go to fix this issue without risking to break people's existing scripts. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-09-07Merge branch 'nd/i18n-poison-test-updates'Libravatar Junio C Hamano1-2/+2
Update tests that can be broken with gettext-poison builds. * nd/i18n-poison-test-updates: Fix tests under GETTEXT_POISON on parseopt Fix tests under GETTEXT_POISON on git-remote Fix tests under GETTEXT_POISON on pack-object Fix tests under GETTEXT_POISON on git-apply Fix tests under GETTEXT_POISON on diffstat Fix tests under GETTEXT_POISON on git-stash Fix tests under GETTEXT_POISON on relative dates
2012-08-27Fix tests under GETTEXT_POISON on parseoptLibravatar Jiang Xin1-2/+2
Use the i18n-specific test functions in test scripts for parseopt tests. This issue was was introduced in v1.7.10.1-488-g54e6d: 54e6d i18n: parseopt: lookup help and argument translations when showing usage and been broken under GETTEXT_POISON=YesPlease since. Signed-off-by: Jiang Xin <worldhello.net@gmail.com> Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-07-29do not write null sha1s to on-disk indexLibravatar Jeff King1-0/+19
We should never need to write the null sha1 into an index entry (short of the 1 in 2^160 chance that somebody actually has content that hashes to it). If we attempt to do so, it is much more likely that it is a bug, since we use the null sha1 as a sentinel value to mean "not valid". The presence of null sha1s in the index (which can come from, among other things, "update-index --cacheinfo", or by reading a corrupted tree) can cause problems for later readers, because they cannot distinguish the literal null sha1 from its use a sentinel value. For example, "git diff-files" on such an entry would make it appear as if it is stat-dirty, and until recently, the diff code assumed such an entry meant that we should be diffing a working tree file rather than a blob. Ideally, we would stop such entries from entering even our in-core index. However, we do sometimes legitimately add entries with null sha1s in order to represent these sentinel situations; simply forbidding them in add_index_entry breaks a lot of the existing code. However, we can at least make sure that our in-core sentinel representation never makes it to disk. To be thorough, we will test an attempt to add both a blob and a submodule entry. In the former case, we might run into problems anyway because we will be missing the blob object. But in the latter case, we do not enforce connectivity across gitlink entries, making this our only point of enforcement. The current implementation does not care which type of entry we are seeing, but testing both cases helps future-proof the test suite in case that changes. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-12-19t2107: mark passing test as successLibravatar Jeff King1-1/+1
This failed on the branch where it was introduced, but was fixed by merging with 6e67619 (Merge branch 'jn/parse-options-extra'). Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-10-22update-index -h: show usage even with corrupt indexLibravatar Nguyễn Thái Ngọc Duy1-0/+32
When trying to fix up a corrupt repository, one might prefer that "update-index -h" print an accurate usage message and exit rather than reading the repository and complaining about the corruption. [jn: with rewritten log message and tests] Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>