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Test update.
* ks/t4205-test-describe-with-abbrev-fix:
t4205: correctly test %(describe:abbrev=...)
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The strbuf_expand_step() loop in userformat_find_requirements() iterates
through the percent signs in the string "fmt", but we're not interested
in its effect on the strbuf "dummy". Use strchr(3) instead and get rid
of the strbuf that we no longer need.
Suggested-by: Jeff King <peff@peff.net>
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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hex2chr() takes care not to run over the end of a NUL-terminated string.
It's used in packet_length(), but both callers of that function pass a
four-byte buffer, making NUL-checks unnecessary. packet_length() could
accidentally be used with a pointer to a buffer of unknown size at new
call-sites, though, and the compiler wouldn't complain.
Add a size parameter plus check, and remove the NUL-checks by calling
hexval() directly. This trades three NUL checks against one size check
and the ability to report the use of a short buffer at runtime.
If any of the four bytes is NUL or -- more generally -- not a
hexadecimal digit, then packet_length() still returns a negative value.
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The tree-walk.c:do_match() function takes base_offset but just like
tree_entry_interesting() we dealt with earlier, nobody passes a
value other than 0 in it. Get rid of the parameter to avoid having
to worry about potential bugs lurking unexercised.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The tree_entry_interesting() function takes base_offset, allowing
its callers to potentially pass a non-zero number to skip the early
part of the path string.
The feature is never exercised and we do not even know what bugs are
lurking there, as all callers pass 0 to the parameter.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The test coverage on attribute magic combined with path pattern
was a bit thin. Let's add a few and make sure "(attr:X)sub" and
"(attr:X)sub/" behave the same.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Test for equality with no_flush, which has enough negation already. Get
rid of the unnecessary parentheses while at it.
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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git ls-tree has two prefixes: The one handed to cmd_ls_tree(), i.e. the
current subdirectory in the repository (if any) and the "display" prefix
used by the show_tree_*() functions. The option --full-name clears the
last one, i.e. it shows full paths, and --full-tree clears both, i.e. it
acts as if the command was started in the root of the repository.
The show_tree_*() functions use the ls_tree_options members chomp_prefix
and ls_tree_prefix to determine their prefix values. Calculate it once
in cmd_ls_tree() instead, once the main prefix value is finalized.
This allows chomp_prefix to become a local variable. Stop using
strlen(3) to determine its initial value -- we only care whether we got
a non-empty string, not precisely how long it is.
Rename ls_tree_prefix to prefix to demonstrate that we converted all
users and because the ls_tree_ part is no longer necessary since
030a3d5d9e (ls-tree: use a "struct options", 2023-01-12) turned it from
a global variable to a struct member.
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Reduce reliance on a global state in the config reading API.
* gc/config-context:
config: pass source to config_parser_event_fn_t
config: add kvi.path, use it to evaluate includes
config.c: remove config_reader from configsets
config: pass kvi to die_bad_number()
trace2: plumb config kvi
config.c: pass ctx with CLI config
config: pass ctx with config files
config.c: pass ctx in configsets
config: add ctx arg to config_fn_t
urlmatch.h: use config_fn_t type
config: inline git_color_default_config
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Doc update.
* jc/doc-hash-object-types:
docs: add git hash-object -t option's possible values
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During a cherry-pick or revert session that works on multiple
commits, "git status" did not give correct information, which has
been corrected.
* jk/cherry-pick-revert-status:
fix cherry-pick/revert status when doing multiple commits
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"git apply" punts when it is fed too large a patch input; the error
message it gives when it happens has been clarified.
* pw/apply-too-large:
apply: improve error messages when reading patch
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'git notes append' was taught '--separator' to specify string to insert
between paragraphs.
* tl/notes-separator:
notes: introduce "--no-separator" option
notes.c: introduce "--[no-]stripspace" option
notes.c: append separator instead of insert by pos
notes.c: introduce '--separator=<paragraph-break>' option
t3321: add test cases about the notes stripspace behavior
notes.c: use designated initializers for clarity
notes.c: cleanup 'strbuf_grow' call in 'append_edit'
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Move functions that are not about pure string manipulation out of
strbuf.[ch]
* cw/strbuf-cleanup:
strbuf: remove global variable
path: move related function to path
object-name: move related functions to object-name
credential-store: move related functions to credential-store file
abspath: move related functions to abspath
strbuf: clarify dependency
strbuf: clarify API boundary
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Partially revert a sanity check that the rest of the config code
was not ready, to avoid triggering it in a corner case.
* gc/config-partial-submodule-kvi-fix:
config: don't BUG when both kvi and source are set
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Completion updates.
* pb/complete-diff-options: (24 commits)
diff.c: mention completion above add_diff_options
completion: complete --remerge-diff
completion: complete --diff-merges, its options and --no-diff-merges
completion: move --pickaxe-{all,regex} to __git_diff_common_options
completion: complete --ws-error-highlight
completion: complete --unified
completion: complete --output-indicator-{context,new,old}
completion: complete --output
completion: complete --no-stat
completion: complete --no-relative
completion: complete --line-prefix
completion: complete --ita-invisible-in-index and --ita-visible-in-index
completion: complete --irreversible-delete
completion: complete --ignore-matching-lines
completion: complete --function-context
completion: complete --find-renames
completion: complete --find-object
completion: complete --find-copies
completion: complete --default-prefix
completion: complete --compact-summary
...
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Code clean-up around strbuf_expand() API.
* rs/strbuf-expand-step:
strbuf: simplify strbuf_expand_literal_cb()
replace strbuf_expand() with strbuf_expand_step()
replace strbuf_expand_dict_cb() with strbuf_expand_step()
strbuf: factor out strbuf_expand_step()
pretty: factor out expand_separator()
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In some shells, such as bash and zsh, it's possible to use a command
substitution to provide the output of a command as a file argument to
another process, like so:
diff -u <(printf "a\nb\n") <(printf "a\nc\n")
However, this syntax does not produce useful results with "git diff
--no-index". On macOS, the arguments to the command are named pipes
under /dev/fd, and git diff doesn't know how to handle a named pipe. On
Linux, the arguments are symlinks to pipes, so git diff "helpfully"
diffs these symlinks, comparing their targets like "pipe:[1234]" and
"pipe:[5678]".
To address this "diff --no-index" is changed so that if a path given on
the commandline is a named pipe or a symbolic link that resolves to a
named pipe then we read the data to diff from that pipe. This is
implemented by generalizing the code that already exists to handle
reading from stdin when the user passes the path "-".
If the user tries to compare a named pipe to a directory then we die as
we do when trying to compare stdin to a directory.
As process substitution is not support by POSIX this change is tested by
using a pipe and a symbolic link to a pipe.
Helped-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git diff --no-index" supports reading from stdin with the path "-".
There is no test coverage for this so add a regression test before
changing the code in the next commit.
Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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If there is an error when reading from stdin then "diff --no-index"
prints an error message but continues to try and diff a file named "-"
resulting in an error message that looks like
error: error while reading from stdin: Invalid argument
fatal: stat '-': No such file or directory
assuming that no file named "-" exists. If such a file exists it prints
the first error message and generates the diff from that file which is
not what the user wanted. Instead just die() straight away if we cannot
read from stdin.
Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When the user runs
git diff --no-index file directory
we follow the behavior of POSIX diff and rewrite the arguments as
git diff --no-index file directory/file
Doing that when "file" is "-" (which means "read from stdin") does not
make sense so we should error out if the user asks us to compare "-" to
a directory. This matches the behavior of GNU diff and diff on *BSD.
Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In the first test in this script, 'creates a report with content in the
right places', we generate a report and pipe it into our helper
`check_all_headers_populated()`. The idea of the helper is to find all
lines that look like headers ("[Some Header Here]") and to check that
the next line is non-empty. This is supposed to catch erroneous outputs
such as the following:
[A Header]
something
more here
[Another Header]
[Too Early Header]
contents
However, we provide the lines of the bug report as filenames to grep,
meaning we mostly end up spewing errors:
grep: : No such file or directory
grep: [System Info]: No such file or directory
grep: git version:: No such file or directory
grep: git version 2.41.0.2.gfb7d80edca: No such file or directory
This doesn't disturb the test, which tugs along and reports success, not
really having verified the contents of the report at all.
Note that after 788a776069 ("bugreport: collect list of populated
hooks", 2020-05-07), the bug report, which is created in our hook-less
test repo, contains an empty section with the enabled hooks. Thus, even
the intention of our helper is a bit misguided: there is nothing
inherently wrong with having an empty section in the bug report.
Let's instead split this test into three: first verify that we generate
a report at all, then check that the introductory blurb looks the way it
should, then verify that the "[System Info]" seems to contain the right
things. (The "[Enabled Hooks]" section is tested later in the script.)
Reported-by: SZEDER Gábor <szeder.dev@gmail.com>
Helped-by: Phillip Wood <phillip.wood123@gmail.com>
Signed-off-by: Martin Ågren <martin.agren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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alloc_nr, ALLOC_GROW, and ALLOC_GROW_BY are commonly used macros for
dynamic array allocation. Moving these macros to git-compat-util.h with
the other alloc macros focuses alloc.[ch] to allocation for Git objects
and additionally allows us to remove inclusions to alloc.h from files
that solely used the above macros.
Signed-off-by: Calvin Wan <calvinwan@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Calvin Wan <calvinwan@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This table was originally introduced to solely be used with kwset
machinery (0f871cf56e), so it would make sense for it to belong in
kwset.[ch] rather than ctype.c and git-compat-util.h. It is only used in
diffcore-pickaxe.c, which already includes kwset.h so no other headers
have to be modified.
Signed-off-by: Calvin Wan <calvinwan@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Splitting these macros from git-compat-util.h cleans up the file and
allows future third-party sources to not use these overrides if they do
not wish to.
Signed-off-by: Calvin Wan <calvinwan@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Since the functions in wrapper.c are widely used across the codebase,
include it by default in git-compat-util.h. A future patch will remove
now unnecessary inclusions of wrapper.h from other files.
Signed-off-by: Calvin Wan <calvinwan@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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While functions like starts_with() probably should not belong in the
boundaries of the strbuf library, this commit focuses on first splitting
out headers from git-compat-util.h.
Signed-off-by: Calvin Wan <calvinwan@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The imap_cmd_cb struct has several fields which are totally unused.
Presumably they did useful things in the upstream isync code from which
this is derived, but they don't in our more limited program. This is
particularly confusing for the "done" callback, which (as of the
previous patch) no longer matches the signature of the adjacent "cont"
callback.
Since we're unlikely to share code with isync going forward, we should
feel free to simplify the code here. Note that "done" is examined but
never set, so we can also drop a little bit of code outside of the
struct definition.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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There's a generic callback mechanism for handling plus-continuation of
IMAP commands. It takes the imap_cmd struct itself as an argument. That
seems reasonable, and in a larger imap-using program it might be used.
But in imap-send, we have only one such callback (auth_cram_md5) and it
doesn't use this value, triggering -Wunused-parameter warnings.
We could just mark the parameter as UNUSED. But since this is the only
such function, and because we are not likely to share code with the
upstream isync anymore, we can just simplify the interface to remove
this parameter.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Our caller passes in an imap_server_conf struct, but we ignore it
totally, and instead read the config directly from the global "server"
variable. This works OK, since our sole caller will pass in that same
global variable. But the intent seems to have been to use the passed-in
variable, as otherwise it has no purpose (and many other functions use
the same pattern).
Let's use the passed-in value, which also silences a -Wunused-parameter
warning.
It would be nice if "server" was not a global here, as we could avoid
making similar mistakes. But changing that would be a larger refactor,
as it must be accessed as a global in a few spots (e.g., filling it in
with the config callback).
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The tutorial in Documentation/MyFirstObjectWalk.txt
contains the functions trace_printf(), oid_to_hex(),
and pp_commit_easy(), and struct oidset, which are used
without any hint of where they are defined. When the provided
code is compiled, the compiler returns an error, stating that
the functions and the struct are used before declaration. Therefore,include
necessary header files (the ones which have no mentions in the tutorial).
Signed-off-by: Vinayak Dev <vinayakdev.sci@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add more "git var" for toolsmiths to learn various locations Git is
configured with either via the configuration or hardcoded defaults.
* bc/more-git-var:
var: add config file locations
var: add attributes files locations
attr: expose and rename accessor functions
var: adjust memory allocation for strings
var: format variable structure with C99 initializers
var: add support for listing the shell
t: add a function to check executable bit
var: mark unused parameters in git_var callbacks
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The set-up code for the get_revision() API now allows feeding
options like --all and --not in the --stdin mode.
* ps/revision-stdin-with-options:
revision: handle pseudo-opts in `--stdin` mode
revision: small readability improvement for reading from stdin
revision: reorder `read_revisions_from_stdin()`
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Signed-off-by: Dimitriy Ryazantcev <dimitriy.ryazantcev@gmail.com>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Test update.
* tb/gc-recent-object-hook:
t7701: make annotated tag unreachable
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When the external merge driver is killed by a signal, its output
should not be trusted as a resolution with conflicts that is
proposed by the driver, but the code did.
* jc/abort-ll-merge-with-a-signal:
t6406: skip "external merge driver getting killed by a signal" test on Windows
ll-merge: killing the external merge driver aborts the merge
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Header files cleanup.
* en/header-split-cache-h-part-3: (28 commits)
fsmonitor-ll.h: split this header out of fsmonitor.h
hash-ll, hashmap: move oidhash() to hash-ll
object-store-ll.h: split this header out of object-store.h
khash: name the structs that khash declares
merge-ll: rename from ll-merge
git-compat-util.h: remove unneccessary include of wildmatch.h
builtin.h: remove unneccessary includes
list-objects-filter-options.h: remove unneccessary include
diff.h: remove unnecessary include of oidset.h
repository: remove unnecessary include of path.h
log-tree: replace include of revision.h with simple forward declaration
cache.h: remove this no-longer-used header
read-cache*.h: move declarations for read-cache.c functions from cache.h
repository.h: move declaration of the_index from cache.h
merge.h: move declarations for merge.c from cache.h
diff.h: move declaration for global in diff.c from cache.h
preload-index.h: move declarations for preload-index.c from elsewhere
sparse-index.h: move declarations for sparse-index.c from cache.h
name-hash.h: move declarations for name-hash.c from cache.h
run-command.h: move declarations for run-command.c from cache.h
...
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We create .pack and then .idx, we consider only packfiles that have
.idx usable (those with only .pack are not ready yet), so we should
remove .idx before removing .pack for consistency.
* ds/remove-idx-before-pack:
packfile: delete .idx files before .pack files
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When reporting a problem, `git fsck` emits a message such as:
missing blob 1234abcd (:file)
However, this can be ambiguous when the problem is detected in the index
of a worktree other than the one in which `git fsck` was invoked. To
address this shortcoming, 592ec63b38 (fsck: mention file path for index
errors, 2023-02-24) enhanced the output to mention the path of the index
when the problem is detected in some other worktree:
missing blob 1234abcd (.git/worktrees/wt/index:file)
Unfortunately, the variable in fsck_index() which controls whether the
index path should be shown is misleadingly named "is_main_index" which
can be misunderstood as referring to the main worktree (i.e. the one
housing the .git/ repository) rather than to the current worktree (i.e.
the one in which `git fsck` was invoked). Avoid such potential confusion
by choosing a name more reflective of its actual purpose.
Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Acked-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The pretty format %(describe:abbrev=<number>) tells describe to use
at least <number> digits of the oid to generate the human-readable
format of the commit-ish.
There are three things to test here:
- Check that we can describe a commit that is not tagged (that is,
for example our HEAD is at least one commit ahead of some reachable
commit which is tagged) with at least <number> digits of the oid
being used for describing it.
- Check that when using such a commit-ish, we always use at least
<number> digits of the oid to describe it.
- Check that we can describe a tag. This just gives the name of the
tag irrespective of abbrev (abbrev doesn't make sense here).
Do this, instead of the current test which only tests the last case.
Helped-by: Junio C Hamano <gitster@pobox.com>
Mentored-by: Christian Couder <christian.couder@gmail.com>
Mentored-by: Hariom Verma <hariom18599@gmail.com>
Signed-off-by: Kousik Sanagavarapu <five231003@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In 03267e8656c (commit: discard partial cache before (re-)reading it,
2022-11-08), a memory leak was plugged by discarding any partial index
before re-reading it.
The problem with this memory leak fix is that it was based on an
incomplete understanding of the logic introduced in 7168624c353 (Do not
generate full commit log message if it is not going to be used,
2007-11-28).
That logic was introduced to add a shortcut when committing without
editing the commit message interactively. A part of that logic was to
ensure that the index was read into memory:
if (!active_nr && read_cache() < 0)
die(...)
Translation to English: If the index has not yet been read, read it, and
if that fails, error out.
That logic was incorrect, though: It used `!active_nr` as an indicator
that the index was not yet read. Usually this is not a problem because
in the vast majority of instances, the index contains at least one
entry.
And it was natural to do it this way because at the time that condition
was introduced, the `index_state` structure had no explicit flag to
indicate that it was initialized: This flag was only introduced in
913e0e99b6a (unpack_trees(): protect the handcrafted in-core index from
read_cache(), 2008-08-23), but that commit did not adjust the code path
where no index file was found and a new, pristine index was initialized.
Now, when the index does not contain any entry (which is quite
common in Git's test suite because it starts quite a many repositories
from scratch), subsequent calls to `do_read_index()` will mistake the
index not to be initialized, and read it again unnecessarily.
This is a problem because after initializing the empty index e.g. the
`cache_tree` in that index could have been initialized before a
subsequent call to `do_read_index()` wants to ensure an initialized
index. And if that subsequent call mistakes the index not to have been
initialized, it would lead to leaked memory.
The correct fix for that memory leak is to adjust the condition so that
it does not mistake `active_nr == 0` to mean that the index has not yet
been read.
Using the `initialized` flag instead, we avoid that mistake, and as a
bonus we can fix a bug at the same time that was introduced by the
memory leak fix: When deleting all tracked files and then asking `git
commit -a -m ...` to commit the result, Git would internally update the
index, then discard and re-read the index undoing the update, and fail
to commit anything.
This fixes https://github.com/git-for-windows/git/issues/4462
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We are about to fix an ancient bug where `do_read_index()` pretended
that the index was not initialized when there are no index entries.
Before the `index_state` structure gained the `initialized` flag in
913e0e99b6a (unpack_trees(): protect the handcrafted in-core index from
read_cache(), 2008-08-23), that was the best we could do (even if it was
incorrect: it is totally possible to read a Git index file that contains
no index entries).
This pattern was repeated also in 998330ac2e7 (read-cache: look for
shared index files next to the index, too, 2021-08-26), which we fix
here by _not_ mistaking an empty base index for a missing
`sharedindex.*` file.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In 913e0e99b6a (unpack_trees(): protect the handcrafted in-core index
from read_cache(), 2008-08-23) a flag was introduced into the
`index_state` structure to indicate whether it had been initialized (or
more correctly: read and parsed).
There was one code path that was not handled, though: when the index
file does not yet exist (but the `must_exist` parameter is set to 0 to
indicate that that's okay). In this instance, Git wants to go forward
with a new, pristine Git index, almost as if the file had existed and
contained no index entries or extensions.
Since Git wants to handle this situation the same as if an "empty" Git
index file existed, let's set the `initialized` flag also in that case.
This is necessary to prepare for fixing the bug where the condition
`cache_nr == 0` is incorrectly used as an indicator that the index was
already read, and the condition `initialized != 0` needs to be used
instead.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The summary under the NAME section for git hash-object can mislead
readers to conclude that the command can only be used to create blobs,
whereas the description makes it clear that it can be used to create
objects, not just blobs. Let's clarify the one-line summary.
Further, the description for the option -t does not list out other types
that can be used when creating objects. Let's make this explicit by
listing out the different object types.
Signed-off-by: John Cai <johncai86@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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..so that the callback can use a "struct config_source" parameter
instead of "config_reader.source". "struct config_source" is internal to
config.c, so we are adding a pointer to a struct defined in config.c
into a public function signature defined in config.h, but this is okay
because this function has only ever been (and probably ever will be)
used internally by config.c.
As a result, the_reader isn't used anywhere, so "struct config_reader"
is obsolete (it was only intended to be used with the_reader). Remove
them.
Signed-off-by: Glen Choo <chooglen@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Include directives are evaluated using the path of the config file. To
reduce the dependence on "config_reader.source", add a new
"key_value_info.path" member and use that instead of
"config_source.path". This allows us to remove a "struct config_reader
*" field from "struct config_include_data", which will subsequently
allow us to remove "struct config_reader" entirely.
Signed-off-by: Glen Choo <chooglen@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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