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The paths generated by difftool are passed to user-facing diff tools.
Using paths with repeated slashes in them is a cosmetic blemish that
is exposed to users and can be avoided.
Use a strbuf to create the buffer used for the dir-diff tmpdir.
Strip trailing slashes from the value read from TMPDIR to avoid
repeated slashes in the generated paths.
Adjust the error handling to avoid leaking strbufs and to avoid
returning -1 to cmd_main().
Signed-off-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* da/difftool-dir-diff-symlink-fix:
difftool: fix symlink-file writing in dir-diff mode
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The difftool dir-diff mode handles symlinks by replacing them with their
readlink(2) values. This allows diff tools to see changes to symlinks
as if they were regular text diffs with the old and new path values.
This is analogous to what "git diff" displays when symlinks change.
The temporary diff directories that are created initially contain
symlinks because they get checked-out using a temporary index that
retains the original symlinks as checked-in to the repository.
A bug was introduced when difftool was rewritten in C that made
difftool write the readlink(2) contents into the pointed-to file rather
than the symlink itself. The write was going through the symlink and
writing to its target rather than writing to the symlink path itself.
Replace symlinks with raw text files by unlinking the symlink path
before writing the readlink(2) content into them.
When 18ec800512 (difftool: handle modified symlinks in dir-diff mode,
2017-03-15) added handling for modified symlinks this bug got recorded
in the test suite. The tests included the pointed-to symlink target
paths. These paths were being reported because difftool was erroneously
writing to them, but they should have never been reported nor written.
Correct the modified-symlinks test cases by removing the target files
from the expected output.
Add a test to ensure that symlinks are written with the readlink(2)
values and that the target files contain their original content.
Reported-by: Alan Blotz <work@blotz.org>
Helped-by: Đoàn Trần Công Danh <congdanhqx@gmail.com>
Signed-off-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* ab/retire-option-argument:
parse-options API: remove OPTION_ARGUMENT feature
difftool: use run_command() API in run_file_diff()
difftool: prepare "diff" cmdline in cmd_difftool()
difftool: prepare "struct child_process" in cmd_difftool()
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Leakfix.
* jc/prefix-filename-allocates:
hash-object: prefix_filename() returns allocated memory these days
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"git range-diff -I... <range> <range>" segfaulted, which has been
corrected.
* rs/range-diff-avoid-segfault-with-I:
range-diff: avoid segfault with -I
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The code that optionally creates the *.rev reverse index file has
been optimized to avoid needless computation when it is not writing
the file out.
* ab/reverse-midx-optim:
pack-write: skip *.rev work when not writing *.rev
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"make INSTALL_STRIP=-s install" allows the installation step to use
"install -s" to strip the binaries as they get installed.
* bs/install-strip:
make: add INSTALL_STRIP option variable
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Teach "test_pause" and "debug" helpers to allow using the HOME and
TERM environment variables the user usually uses.
* pb/test-use-user-env:
test-lib-functions: keep user's debugger config files and TERM in 'debug'
test-lib-functions: optionally keep HOME, TERM and SHELL in 'test_pause'
test-lib-functions: use 'TEST_SHELL_PATH' in 'test_pause'
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The "git apply -3" code path learned not to bother the lower level
merge machinery when the three-way merge can be trivially resolved
without the content level merge.
* jc/trivial-threeway-binary-merge:
apply: resolve trivial merge without hitting ll-merge with "--3way"
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Docfix.
* bs/doc-bugreport-outdir:
Documentation: fix default directory of git bugreport -o
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Build simplification.
* ab/no-more-check-bindir:
Makefile: remove the check_bindir script
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Regression fix.
* ab/send-email-config-fix:
send-email: fix a "first config key wins" regression in v2.33.0
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Recent "diff -m" changes broke "gitk", which has been corrected.
* so/diff-index-regression-fix:
diff-index: restore -c/--cc options handling
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As was noted in 1a85b49b87a (parse-options: make OPT_ARGUMENT() more
useful, 2019-03-14) there's only ever been one user of the
OPT_ARGUMENT(), that user was added in 20de316e334 (difftool: allow
running outside Git worktrees with --no-index, 2019-03-14).
The OPT_ARGUMENT() feature itself was added way back in
580d5bffdea (parse-options: new option type to treat an option-like
parameter as an argument., 2008-03-02), but as discussed in
1a85b49b87a wasn't used until 20de316e334 in 2019.
Now that the preceding commit has migrated this code over to using
"struct strvec" to manage the "args" member of a "struct
child_process", we can just use that directly instead of relying on
OPT_ARGUMENT.
This has a minor change in behavior in that if we'll pass --no-index
we'll now always pass it as the first argument, before we'd pass it in
whatever position the caller did. Preserving this was the real value
of OPT_ARGUMENT(), but as it turns out we didn't need that either. We
can always inject it as the first argument, the other end will parse
it just the same.
Note that we cannot remove the "out" and "cpidx" members of "struct
parse_opt_ctx_t" added in 580d5bffdea, while they were introduced with
OPT_ARGUMENT() we since used them for other things.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Change the run_file_diff() function to use the run_command() API
directly, instead of invoking the run_command_v_opt_cd_env() wrapper.
This allows it, like run_dir_diff(), to use the "args" from "struct
strvec", instead of the "const char **argv" passed into
cmd_difftool(). This will be used in the subsequent commit to get rid
of OPT_ARGUMENT() from cmd_difftool().
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We call into either run_dir_diff() or run_file_diff(), each of which
sets up a child argv starting with "diff" and some hard-coded options
(depending on which mode we're using). Let's extract that logic into the
caller, which will make it easier to modify the options for cases which
affect both functions.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Move the preparation of the "struct child_process" from run_dir_diff()
to its only caller, cmd_difftool(). This is in preparation for
migrating run_file_diff() to using the run_command() API directly, and
to move more of the shared setup of the two to cmd_difftool().
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@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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The logic for auto-correction of misspelt subcommands learned to go
interactive when the help.autocorrect configuration variable is set
to 'prompt'.
* ab/help-autocorrect-prompt:
help.c: help.autocorrect=prompt waits for user action
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CI update.
* cb/ci-build-pedantic:
ci: run a pedantic build as part of the GitHub workflow
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Tie-break branches that point at the same object in the list of
branches on GitWeb to show the one pointed at by HEAD early.
* gh/gitweb-branch-sort:
gitweb: use HEAD as secondary sort key in git_get_heads_list()
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Code cleanup.
* rs/archive-use-object-id:
archive: convert queue_directory to struct object_id
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Code cleanup.
* rs/show-branch-simplify:
show-branch: simplify rev_is_head()
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Doc update plus improved error reporting.
* jk/log-warn-on-bogus-encoding:
docs: use "character encoding" to refer to commit-object encoding
logmsg_reencode(): warn when iconv() fails
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Build fix.
* cb/remote-ndebug-fix:
remote: avoid -Wunused-but-set-variable in gcc with -DNDEBUG
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Code clean up to migrate callers from older advice_config[] based
API to newer advice_if_enabled() and advice_enabled() API.
* ab/retire-advice-config:
advice: move advice.graftFileDeprecated squashing to commit.[ch]
advice: remove use of global advice_add_embedded_repo
advice: remove read uses of most global `advice_` variables
advice: add enum variants for missing advice variables
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After "git clone --recurse-submodules", all submodules are cloned
but they are not by default recursed into by other commands. With
submodule.stickyRecursiveClone configuration set, submodule.recurse
configuration is set to true in a repository created by "clone"
with "--recurse-submodules" option.
* mk/clone-recurse-submodules:
clone: set submodule.recurse=true if submodule.stickyRecursiveClone enabled
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Leakfix.
* ab/mailmap-leakfix:
mailmap.c: fix a memory leak in free_mailap_{info,entry}()
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A pathname in an advice message has been made cut-and-paste ready.
* ab/gc-log-rephrase:
gc: remove trailing dot from "gc.log" line
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Update the userdiff pattern for PHP.
* uk/userdiff-php-enum:
userdiff: support enum keyword in PHP hunk header
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The output from "git fast-export", when its anonymization feature
is in use, showed an annotated tag incorrectly.
* tk/fast-export-anonymized-tag-fix:
fast-export: fix anonymized tag using original length
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Leakfix.
* ba/object-info:
protocol-caps.c: fix memory leak in send_info()
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Fixes on usage message from "git commit-graph".
* ab/commit-graph-usage:
commit-graph: show "unexpected subcommand" error
commit-graph: show usage on "commit-graph [write|verify] garbage"
commit-graph: early exit to "usage" on !argc
multi-pack-index: refactor "goto usage" pattern
commit-graph: use parse_options_concat()
commit-graph: remove redundant handling of -h
commit-graph: define common usage with a macro
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Even when running "git send-email" without its own threaded
discussion support, a threading related header in one message is
carried over to the subsequent message to result in an unwanted
threading, which has been corrected.
* mh/send-email-reset-in-reply-to:
send-email: avoid incorrect header propagation
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Code simplification.
* rs/more-fspathcmp:
merge-recursive: use fspathcmp() in path_hashmap_cmp()
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Buggy tests could damage repositories outside the throw-away test
area we created. We now by default export GIT_CEILING_DIRECTORIES
to limit the damage from such a stray test.
* sg/set-ceiling-during-tests:
test-lib: set GIT_CEILING_DIRECTORIES to protect the surrounding repository
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The sparse-index support can corrupt the index structure by storing
a stale and/or uninitialized data, which has been corrected.
* jh/sparse-index-resize-fix:
sparse-index: copy dir_hash in ensure_full_index()
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Typofix.
* es/walken-tutorial-fix:
doc: fix syntax error and the format of printf
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Code simplification with reduced memory usage.
* tb/add-objects-in-unpacked-packs-simplify:
builtin/pack-objects.c: remove duplicate hash lookup
builtin/pack-objects.c: simplify add_objects_in_unpacked_packs()
object-store.h: teach for_each_packed_object to ignore kept packs
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"git fetch --quiet" optimization to avoid useless computation of
info that will never be displayed.
* ps/fetch-omit-formatting-under-quiet:
fetch: skip formatting updated refs with `--quiet`
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"git upload-pack" which runs on the other side of "git fetch"
forgot to take the ref namespaces into account when handling
want-ref requests.
* ka/want-ref-in-namespace:
docs: clarify the interaction of transfer.hideRefs and namespaces
upload-pack.c: treat want-ref relative to namespace
t5730: introduce fetch command helper
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The advice message that "git cherry-pick" gives when it asks
conflicted replay of a commit to be resolved by the end user has
been updated.
* zh/cherry-pick-advice:
cherry-pick: use better advice message
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"git rebase" by default skips changes that are equivalent to
commits that are already in the history the branch is rebased onto;
give messages when this happens to let the users be aware of
skipped commits, and also teach them how to tell "rebase" to keep
duplicated changes.
* js/advise-when-skipping-cherry-picked:
sequencer: advise if skipping cherry-picked commit
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The parser for the "--nl" option of "git column" has been
corrected.
* sg/column-nl:
column: fix parsing of the '--nl' option
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Build update for Apple clang.
* cb/makefile-apple-clang:
build: catch clang that identifies itself as "$VENDOR clang"
build: clang version may not be followed by extra words
build: update detect-compiler for newer Xcode version
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Micro-optimization for the wire protocol driver.
* ps/ls-refs-strbuf-optim:
ls-refs: reuse buffer when sending refs
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"git branch -D <branch>" used to refuse to remove a broken branch
ref that points at a missing commit, which has been corrected.
* rs/branch-allow-deleting-dangling:
branch: allow deleting dangling branches with --force
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David Aguilar
Junio C Hamano
Ævar Arnfjörð Bjarmason
Jeff King