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2018-03-14sha1_file: convert read_sha1_file to struct object_idLibravatar brian m. carlson1-1/+1
Convert read_sha1_file to take a pointer to struct object_id and rename it read_object_file. Do the same for read_sha1_file_extended. Convert one use in grep.c to use the new function without any other code change, since the pointer being passed is a void pointer that is already initialized with a pointer to struct object_id. Update the declaration and definitions of the modified functions, and apply the following semantic patch to convert the remaining callers: @@ expression E1, E2, E3; @@ - read_sha1_file(E1.hash, E2, E3) + read_object_file(&E1, E2, E3) @@ expression E1, E2, E3; @@ - read_sha1_file(E1->hash, E2, E3) + read_object_file(E1, E2, E3) @@ expression E1, E2, E3, E4; @@ - read_sha1_file_extended(E1.hash, E2, E3, E4) + read_object_file_extended(&E1, E2, E3, E4) @@ expression E1, E2, E3, E4; @@ - read_sha1_file_extended(E1->hash, E2, E3, E4) + read_object_file_extended(E1, E2, E3, E4) Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-03-14Convert find_unique_abbrev* to struct object_idLibravatar brian m. carlson1-2/+2
Convert find_unique_abbrev and find_unique_abbrev_r to each take a pointer to struct object_id. Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-03-06Merge branch 'bw/c-plus-plus'Libravatar Junio C Hamano1-6/+6
Avoid using identifiers that clash with C++ keywords. Even though it is not a goal to compile Git with C++ compilers, changes like this help use of code analysis tools that targets C++ on our codebase. * bw/c-plus-plus: (37 commits) replace: rename 'new' variables trailer: rename 'template' variables tempfile: rename 'template' variables wrapper: rename 'template' variables environment: rename 'namespace' variables diff: rename 'template' variables environment: rename 'template' variables init-db: rename 'template' variables unpack-trees: rename 'new' variables trailer: rename 'new' variables submodule: rename 'new' variables split-index: rename 'new' variables remote: rename 'new' variables ref-filter: rename 'new' variables read-cache: rename 'new' variables line-log: rename 'new' variables imap-send: rename 'new' variables http: rename 'new' variables entry: rename 'new' variables diffcore-delta: rename 'new' variables ...
2018-02-22combine-diff: rename 'new' variablesLibravatar Brandon Williams1-6/+6
Rename C++ keyword in order to bring the codebase closer to being able to be compiled with a C++ compiler. Signed-off-by: Brandon Williams <bmwill@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-02-13Merge branch 'tb/crlf-conv-flags'Libravatar Junio C Hamano1-1/+1
Code clean-up. * tb/crlf-conv-flags: convert_to_git(): safe_crlf/checksafe becomes int conv_flags
2018-01-16convert_to_git(): safe_crlf/checksafe becomes int conv_flagsLibravatar Torsten Bögershausen1-1/+1
When calling convert_to_git(), the checksafe parameter defined what should happen if the EOL conversion (CRLF --> LF --> CRLF) does not roundtrip cleanly. In addition, it also defined if line endings should be renormalized (CRLF --> LF) or kept as they are. checksafe was an safe_crlf enum with these values: SAFE_CRLF_FALSE: do nothing in case of EOL roundtrip errors SAFE_CRLF_FAIL: die in case of EOL roundtrip errors SAFE_CRLF_WARN: print a warning in case of EOL roundtrip errors SAFE_CRLF_RENORMALIZE: change CRLF to LF SAFE_CRLF_KEEP_CRLF: keep all line endings as they are In some cases the integer value 0 was passed as checksafe parameter instead of the correct enum value SAFE_CRLF_FALSE. That was no problem because SAFE_CRLF_FALSE is defined as 0. FALSE/FAIL/WARN are different from RENORMALIZE and KEEP_CRLF. Therefore, an enum is not ideal. Let's use a integer bit pattern instead and rename the parameter to conv_flags to make it more generically usable. This allows us to extend the bit pattern in a subsequent commit. Reported-By: Randall S. Becker <rsbecker@nexbridge.com> Helped-By: Lars Schneider <larsxschneider@gmail.com> Signed-off-by: Torsten Bögershausen <tboegi@web.de> Signed-off-by: Lars Schneider <larsxschneider@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-01-04diff: introduce DIFF_PICKAXE_KINDS_MASKLibravatar Stefan Beller1-1/+1
Currently the check whether to perform pickaxing is done via checking `diffopt->pickaxe`, which contains the command line argument that we want to pickaxe for. Soon we'll introduce a new type of pickaxing, that will not store anything in the `.pickaxe` field, so let's migrate the check to be dependent on pickaxe_opts. It is not enough to just replace the check for pickaxe by pickaxe_opts, because flags might be set, but pickaxing was not requested ('-i'). To cope with that, introduce a mask to check only for the bits indicating the modes of operation. Signed-off-by: Stefan Beller <sbeller@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-11-09Merge branch 'bw/diff-opt-impl-to-bitfields'Libravatar Junio C Hamano1-5/+5
A single-word "unsigned flags" in the diff options is being split into a structure with many bitfields. * bw/diff-opt-impl-to-bitfields: diff: make struct diff_flags members lowercase diff: remove DIFF_OPT_CLR macro diff: remove DIFF_OPT_SET macro diff: remove DIFF_OPT_TST macro diff: remove touched flags diff: add flag to indicate textconv was set via cmdline diff: convert flags to be stored in bitfields add, reset: use DIFF_OPT_SET macro to set a diff flag
2017-11-01diff: make struct diff_flags members lowercaseLibravatar Brandon Williams1-5/+5
Now that the flags stored in struct diff_flags are being accessed directly and not through macros, change all struct members from being uppercase to lowercase. This conversion is done using the following semantic patch: @@ expression E; @@ - E.RECURSIVE + E.recursive @@ expression E; @@ - E.TREE_IN_RECURSIVE + E.tree_in_recursive @@ expression E; @@ - E.BINARY + E.binary @@ expression E; @@ - E.TEXT + E.text @@ expression E; @@ - E.FULL_INDEX + E.full_index @@ expression E; @@ - E.SILENT_ON_REMOVE + E.silent_on_remove @@ expression E; @@ - E.FIND_COPIES_HARDER + E.find_copies_harder @@ expression E; @@ - E.FOLLOW_RENAMES + E.follow_renames @@ expression E; @@ - E.RENAME_EMPTY + E.rename_empty @@ expression E; @@ - E.HAS_CHANGES + E.has_changes @@ expression E; @@ - E.QUICK + E.quick @@ expression E; @@ - E.NO_INDEX + E.no_index @@ expression E; @@ - E.ALLOW_EXTERNAL + E.allow_external @@ expression E; @@ - E.EXIT_WITH_STATUS + E.exit_with_status @@ expression E; @@ - E.REVERSE_DIFF + E.reverse_diff @@ expression E; @@ - E.CHECK_FAILED + E.check_failed @@ expression E; @@ - E.RELATIVE_NAME + E.relative_name @@ expression E; @@ - E.IGNORE_SUBMODULES + E.ignore_submodules @@ expression E; @@ - E.DIRSTAT_CUMULATIVE + E.dirstat_cumulative @@ expression E; @@ - E.DIRSTAT_BY_FILE + E.dirstat_by_file @@ expression E; @@ - E.ALLOW_TEXTCONV + E.allow_textconv @@ expression E; @@ - E.TEXTCONV_SET_VIA_CMDLINE + E.textconv_set_via_cmdline @@ expression E; @@ - E.DIFF_FROM_CONTENTS + E.diff_from_contents @@ expression E; @@ - E.DIRTY_SUBMODULES + E.dirty_submodules @@ expression E; @@ - E.IGNORE_UNTRACKED_IN_SUBMODULES + E.ignore_untracked_in_submodules @@ expression E; @@ - E.IGNORE_DIRTY_SUBMODULES + E.ignore_dirty_submodules @@ expression E; @@ - E.OVERRIDE_SUBMODULE_CONFIG + E.override_submodule_config @@ expression E; @@ - E.DIRSTAT_BY_LINE + E.dirstat_by_line @@ expression E; @@ - E.FUNCCONTEXT + E.funccontext @@ expression E; @@ - E.PICKAXE_IGNORE_CASE + E.pickaxe_ignore_case @@ expression E; @@ - E.DEFAULT_FOLLOW_RENAMES + E.default_follow_renames Signed-off-by: Brandon Williams <bmwill@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-11-01diff: remove DIFF_OPT_CLR macroLibravatar Brandon Williams1-1/+1
Remove the `DIFF_OPT_CLR` macro and instead set the flags directly. This conversion is done using the following semantic patch: @@ expression E; identifier fld; @@ - DIFF_OPT_CLR(&E, fld) + E.flags.fld = 0 @@ type T; T *ptr; identifier fld; @@ - DIFF_OPT_CLR(ptr, fld) + ptr->flags.fld = 0 Signed-off-by: Brandon Williams <bmwill@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-11-01diff: remove DIFF_OPT_SET macroLibravatar Brandon Williams1-1/+1
Remove the `DIFF_OPT_SET` macro and instead set the flags directly. This conversion is done using the following semantic patch: @@ expression E; identifier fld; @@ - DIFF_OPT_SET(&E, fld) + E.flags.fld = 1 @@ type T; T *ptr; identifier fld; @@ - DIFF_OPT_SET(ptr, fld) + ptr->flags.fld = 1 Signed-off-by: Brandon Williams <bmwill@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-11-01diff: remove DIFF_OPT_TST macroLibravatar Brandon Williams1-3/+3
Remove the `DIFF_OPT_TST` macro and instead access the flags directly. This conversion is done using the following semantic patch: @@ expression E; identifier fld; @@ - DIFF_OPT_TST(&E, fld) + E.flags.fld @@ type T; T *ptr; identifier fld; @@ - DIFF_OPT_TST(ptr, fld) + ptr->flags.fld Signed-off-by: Brandon Williams <bmwill@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-10-16refs: convert resolve_gitlink_ref to struct object_idLibravatar brian m. carlson1-1/+1
Convert the declaration and definition of resolve_gitlink_ref to use struct object_id and apply the following semantic patch: @@ expression E1, E2, E3; @@ - resolve_gitlink_ref(E1, E2, E3.hash) + resolve_gitlink_ref(E1, E2, &E3) @@ expression E1, E2, E3; @@ - resolve_gitlink_ref(E1, E2, E3->hash) + resolve_gitlink_ref(E1, E2, E3) Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-06-24Merge branch 'bw/ls-files-sans-the-index'Libravatar Junio C Hamano1-1/+1
Code clean-up. * bw/ls-files-sans-the-index: ls-files: factor out tag calculation ls-files: factor out debug info into a function ls-files: convert show_files to take an index ls-files: convert show_ce_entry to take an index ls-files: convert prune_cache to take an index ls-files: convert ce_excluded to take an index ls-files: convert show_ru_info to take an index ls-files: convert show_other_files to take an index ls-files: convert show_killed_files to take an index ls-files: convert write_eolinfo to take an index ls-files: convert overlay_tree_on_cache to take an index tree: convert read_tree to take an index parameter convert: convert renormalize_buffer to take an index convert: convert convert_to_git to take an index convert: convert convert_to_git_filter_fd to take an index convert: convert crlf_to_git to take an index convert: convert get_cached_convert_stats_ascii to take an index
2017-06-13convert: convert convert_to_git to take an indexLibravatar Brandon Williams1-1/+1
Signed-off-by: Brandon Williams <bmwill@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-06-05tree-diff: convert diff_tree_paths to struct object_idLibravatar Brandon Williams1-5/+5
Signed-off-by: Brandon Williams <bmwill@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-06-05diff-tree: convert diff_tree_sha1 to struct object_idLibravatar Brandon Williams1-2/+2
Signed-off-by: Brandon Williams <bmwill@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-06-02combine-diff: convert find_paths_* to struct object_idLibravatar Brandon Williams1-6/+6
Convert find_paths_generic and find_paths_multitree to use struct object_id. Signed-off-by: Brandon Williams <bmwill@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-06-02combine-diff: convert diff_tree_combined to struct object_idLibravatar Brandon Williams1-5/+5
Signed-off-by: Brandon Williams <bmwill@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-06-02diff: convert fill_filespec to struct object_idLibravatar Brandon Williams1-2/+2
Signed-off-by: Brandon Williams <bmwill@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-04-19Merge branch 'bc/object-id'Libravatar Junio C Hamano1-9/+9
Conversion from unsigned char [40] to struct object_id continues. * bc/object-id: Documentation: update and rename api-sha1-array.txt Rename sha1_array to oid_array Convert sha1_array_for_each_unique and for_each_abbrev to object_id Convert sha1_array_lookup to take struct object_id Convert remaining callers of sha1_array_lookup to object_id Make sha1_array_append take a struct object_id * sha1-array: convert internal storage for struct sha1_array to object_id builtin/pull: convert to struct object_id submodule: convert check_for_new_submodule_commits to object_id sha1_name: convert disambiguate_hint_fn to take object_id sha1_name: convert struct disambiguate_state to object_id test-sha1-array: convert most code to struct object_id parse-options-cb: convert sha1_array_append caller to struct object_id fsck: convert init_skiplist to struct object_id builtin/receive-pack: convert portions to struct object_id builtin/pull: convert portions to struct object_id builtin/diff: convert to struct object_id Convert GIT_SHA1_RAWSZ used for allocation to GIT_MAX_RAWSZ Convert GIT_SHA1_HEXSZ used for allocation to GIT_MAX_HEXSZ Define new hash-size constants for allocating memory
2017-03-31Rename sha1_array to oid_arrayLibravatar brian m. carlson1-6/+6
Since this structure handles an array of object IDs, rename it to struct oid_array. Also rename the accessor functions and the initialization constant. This commit was produced mechanically by providing non-Documentation files to the following Perl one-liners: perl -pi -E 's/struct sha1_array/struct oid_array/g' perl -pi -E 's/\bsha1_array_/oid_array_/g' perl -pi -E 's/SHA1_ARRAY_INIT/OID_ARRAY_INIT/g' Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-03-31Make sha1_array_append take a struct object_id *Libravatar brian m. carlson1-1/+1
Convert the callers to pass struct object_id by changing the function declaration and definition and applying the following semantic patch: @@ expression E1, E2; @@ - sha1_array_append(E1, E2.hash) + sha1_array_append(E1, &E2) @@ expression E1, E2; @@ - sha1_array_append(E1, E2->hash) + sha1_array_append(E1, E2) Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-03-30combine-diff: replace malloc/snprintf with xstrfmtLibravatar Jeff King1-3/+4
There's no need to use the magic "100" when a strbuf can do it for us. Signed-off-by: Jeff King <peff@peff.net>
2017-03-28sha1-array: convert internal storage for struct sha1_array to object_idLibravatar brian m. carlson1-3/+3
Make the internal storage for struct sha1_array use an array of struct object_id internally. Update the users of this struct which inspect its internals. Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-10-26diff_aligned_abbrev: use "struct oid"Libravatar Jeff King1-2/+2
Since we're modifying this function anyway, it's a good time to update it to the more modern "struct oid". We can also drop some of the magic numbers in favor of GIT_SHA1_HEXSZ, along with some descriptive comments. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-10-26diff_unique_abbrev: rename to diff_aligned_abbrevLibravatar Jeff King1-3/+3
The word "align" describes how the function actually differs from find_unique_abbrev, and will make it less confusing when we add more diff-specific abbrevation functions that do not do this alignment. Since this is a globally available function, let's also move its descriptive comment to the header file, where we typically document function interfaces. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-07-19Merge branch 'bc/cocci'Libravatar Junio C Hamano1-7/+7
Conversion from unsigned char sha1[20] to struct object_id continues. * bc/cocci: diff: convert prep_temp_blob() to struct object_id merge-recursive: convert merge_recursive_generic() to object_id merge-recursive: convert leaf functions to use struct object_id merge-recursive: convert struct merge_file_info to object_id merge-recursive: convert struct stage_data to use object_id diff: rename struct diff_filespec's sha1_valid member diff: convert struct diff_filespec to struct object_id coccinelle: apply object_id Coccinelle transformations coccinelle: convert hashcpy() with null_sha1 to hashclr() contrib/coccinelle: add basic Coccinelle transforms hex: add oid_to_hex_r()
2016-06-28diff: rename struct diff_filespec's sha1_valid memberLibravatar brian m. carlson1-2/+2
Now that this struct's sha1 member is called "oid", update the comment and the sha1_valid member to be called "oid_valid" instead. The following Coccinelle semantic patch was used to implement this, followed by the transformations in object_id.cocci: @@ struct diff_filespec o; @@ - o.sha1_valid + o.oid_valid @@ struct diff_filespec *p; @@ - p->sha1_valid + p->oid_valid Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-28diff: convert struct diff_filespec to struct object_idLibravatar brian m. carlson1-5/+5
Convert struct diff_filespec's sha1 member to use a struct object_id called "oid" instead. The following Coccinelle semantic patch was used to implement this, followed by the transformations in object_id.cocci: @@ struct diff_filespec o; @@ - o.sha1 + o.oid.hash @@ struct diff_filespec *p; @@ - p->sha1 + p->oid.hash Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-02pathspec: rename free_pathspec() to clear_pathspec()Libravatar Junio C Hamano1-1/+1
The function takes a pointer to a pathspec structure, and releases the resources held by it, but does not free() the structure itself. Such a function should be called "clear", not "free". Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-05-09combine-diff.c: use error_errno()Libravatar Nguyễn Thái Ngọc Duy1-2/+1
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-02-22use st_add and st_mult for allocation size computationLibravatar Jeff King1-7/+7
If our size computation overflows size_t, we may allocate a much smaller buffer than we expected and overflow it. It's probably impossible to trigger an overflow in most of these sites in practice, but it is easy enough convert their additions and multiplications into overflow-checking variants. This may be fixing real bugs, and it makes auditing the code easier. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-02-22convert trivial cases to FLEX_ARRAY macrosLibravatar Jeff King1-3/+1
Using FLEX_ARRAY macros reduces the amount of manual computation size we have to do. It also ensures we don't overflow size_t, and it makes sure we write the same number of bytes that we allocated. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-02-22use xmallocz to avoid size arithmeticLibravatar Jeff King1-3/+1
We frequently allocate strings as xmalloc(len + 1), where the extra 1 is for the NUL terminator. This can be done more simply with xmallocz, which also checks for integer overflow. There's no case where switching xmalloc(n+1) to xmallocz(n) is wrong; the result is the same length, and malloc made no guarantees about what was in the buffer anyway. But in some cases, we can stop manually placing NUL at the end of the allocated buffer. But that's only safe if it's clear that the contents will always fill the buffer. In each case where this patch does so, I manually examined the control flow, and I tried to err on the side of caution. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-02-22convert trivial cases to ALLOC_ARRAYLibravatar Jeff King1-2/+2
Each of these cases can be converted to use ALLOC_ARRAY or REALLOC_ARRAY, which has two advantages: 1. It automatically checks the array-size multiplication for overflow. 2. It always uses sizeof(*array) for the element-size, so that it can never go out of sync with the declared type of the array. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2015-11-20Remove get_object_hash.Libravatar brian m. carlson1-2/+2
Convert all instances of get_object_hash to use an appropriate reference to the hash member of the oid member of struct object. This provides no functional change, as it is essentially a macro substitution. Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Jeff King <peff@peff.net>
2015-11-20Add several uses of get_object_hash.Libravatar brian m. carlson1-2/+2
Convert most instances where the sha1 member of struct object is dereferenced to use get_object_hash. Most instances that are passed to functions that have versions taking struct object_id, such as get_sha1_hex/get_oid_hex, or instances that can be trivially converted to use struct object_id instead, are not converted. Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Jeff King <peff@peff.net>
2015-09-28Sync with 2.4.10Libravatar Junio C Hamano1-2/+4
2015-09-28Sync with 2.3.10Libravatar Junio C Hamano1-2/+4
2015-09-28react to errors in xdi_diffLibravatar Jeff King1-2/+4
When we call into xdiff to perform a diff, we generally lose the return code completely. Typically by ignoring the return of our xdi_diff wrapper, but sometimes we even propagate that return value up and then ignore it later. This can lead to us silently producing incorrect diffs (e.g., "git log" might produce no output at all, not even a diff header, for a content-level diff). In practice this does not happen very often, because the typical reason for xdiff to report failure is that it malloc() failed (it uses straight malloc, and not our xmalloc wrapper). But it could also happen when xdiff triggers one our callbacks, which returns an error (e.g., outf() in builtin/rerere.c tries to report a write failure in this way). And the next patch also plans to add more failure modes. Let's notice an error return from xdiff and react appropriately. In most of the diff.c code, we can simply die(), which matches the surrounding code (e.g., that is what we do if we fail to load a file for diffing in the first place). This is not that elegant, but we are probably better off dying to let the user know there was a problem, rather than simply generating bogus output. We could also just die() directly in xdi_diff, but the callers typically have a bit more context, and can provide a better message (and if we do later decide to pass errors up, we're one step closer to doing so). There is one interesting case, which is in diff_grep(). Here if we cannot generate the diff, there is nothing to match, and we silently return "no hits". This is actually what the existing code does already, but we make it a little more explicit. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2015-06-11Merge branch 'jk/color-diff-plain-is-context'Libravatar Junio C Hamano1-3/+3
"color.diff.plain" was a misnomer; give it 'color.diff.context' as a more logical synonym. * jk/color-diff-plain-is-context: diff.h: rename DIFF_PLAIN color slot to DIFF_CONTEXT diff: accept color.diff.context as a synonym for "plain"
2015-05-27diff.h: rename DIFF_PLAIN color slot to DIFF_CONTEXTLibravatar Jeff King1-3/+3
The latter is a much more descriptive name (and we support "color.diff.context" now). This also updates the name of any local variables which were used to store the color. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2015-03-13diff: convert struct combine_diff_path to object_idLibravatar brian m. carlson1-28/+28
Also, convert a constant to GIT_SHA1_HEXSZ. Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-09-02Merge branch 'jk/pretty-empty-format'Libravatar Junio C Hamano1-1/+2
"git log --pretty/format=" with an empty format string did not mean the more obvious "No output whatsoever" but "Use default format", which was counterintuitive. * jk/pretty-empty-format: pretty: make empty userformats truly empty pretty: treat "--format=" as an empty userformat revision: drop useless string offset when parsing "--pretty"
2014-08-26Merge branch 'jk/diff-tree-t-fix'Libravatar Junio C Hamano1-1/+11
Fix (rarely used) "git diff-tree -t" regression in 2.0. * jk/diff-tree-t-fix: intersect_paths: respect mode in git's tree-sort
2014-08-20intersect_paths: respect mode in git's tree-sortLibravatar Jeff King1-1/+11
When we do a combined diff, we individually diff against each parent, and then use intersect_paths to do a parallel walk through the sorted results and come up with a final list of interesting paths. The sort order here is that returned by the diffs, which means it is in git's tree-order which sorts sub-trees as if their paths have "/" at the end. When we do our parallel walk, we need to use a comparison function which provides the same order. Since 8518ff8 (combine-diff: optimize combine_diff_path sets intersection, 2014-01-20), we use a simple strcmp to compare the pathnames, and get this wrong. It's somewhat hard to trigger because normally a diff does not produce tree entries at all, and therefore the sort order is the same as a strcmp. However, if the "-t" option is used with the diff, then we will produce diff_filepairs for both trees and files. We can use base_name_compare to do the comparison, just as the tree-diff code does. Even though what we have are not technically base names (they are full paths within the tree), the end result is the same (we do not care about interior slashes at all, only about the final character). However, since we do not have the length of each path stored, we take a slight shortcut: if neither of the entries is a sub-tree then the comparison is equivalent to a strcmp. This lets us skip the extra strlen calls in the common case without having to reimplement base_name_compare from scratch. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-07-30pretty: make empty userformats truly emptyLibravatar Jeff King1-1/+2
If the user provides an empty format with "--format=", we end up putting in extra whitespace that the user cannot prevent. This comes from two places: 1. If the format is missing a terminating newline, we add one automatically. This makes sense for --format=%h, but not for a truly empty format. 2. We add an extra newline between the pretty-printed format and a diff or diffstat. If the format is empty, there's no point in doing so if there's nothing to separate. With this patch, one can get a diff with no other cruft out of "diff-tree --format= $commit". Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-06-06Merge branch 'mk/show-s-no-extra-blank-line-for-merges'Libravatar Junio C Hamano1-1/+2
* mk/show-s-no-extra-blank-line-for-merges: git-show: fix 'git show -s' to not add extra terminator after merge commit
2014-05-15git-show: fix 'git show -s' to not add extra terminator after merge commitLibravatar Max Kirillov1-1/+2
When git show -s is called for merge commit it prints extra newline after any merge commit. This differs from output for commits with one parent. Fix it by more thorough checking that diff output is disabled. The code in question exists since commit 3969cf7db1. The additional newline is really needed for cases when patch is requested, test t4013-diff-various.sh contains cases which can demonstrate behavior when the condition is restricted further. Tests: Added merge commit to 'set up a bit of history' case in t7007-show.sh to cover the fix. Existing tests are updated to demonstrate the new behaviour. Earlier, the tests that used "git show -s --pretty=format:%s", even though "--pretty=format:%s" calls for item separator semantics and does not ask for the terminating newline after the last item, expected the output to end with such a newline. They were relying on the buggy behaviour. Use of "--format=%s", which is equivalent to "--pretty=tformat:%s" that asks for a terminating newline after each item, is a more realistic way to use the command. In the test 'merge log messages' the expected data is changed, because it was explicitly listing the extra newline. Also the msg.nologff and msg.nolognoff expected files are replaced by one msg.nolog, because they were diffing because of the bug, and now there should be no difference. Signed-off-by: Max Kirillov <max@max630.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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