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2020-08-07bisect: combine args passed to find_bisection()Aaron Lipman
Now that find_bisection() accepts multiple boolean arguments, these may be combined into a single unsigned integer in order to declutter some of the code in bisect.c Also, rename the existing "flags" bitfield to "commit_flags", to explicitly differentiate it from the new "bisect_flags" bitfield. Based-on-patch-by: Harald Nordgren <haraldnordgren@gmail.com> Signed-off-by: Aaron Lipman <alipman88@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-08-07cmd_bisect__helper: defer parsing no-checkout flagAaron Lipman
cmd_bisect__helper() is intended as a temporary shim layer serving as an interface for git-bisect.sh. This function and git-bisect.sh should eventually be replaced by a C implementation, cmd_bisect(), serving as an entrypoint for all "git bisect ..." shell commands: cmd_bisect() will only parse the first token following "git bisect", and dispatch the remaining args to the appropriate function ["bisect_start()", "bisect_next()", etc.]. Thus, cmd_bisect__helper() should not be responsible for parsing flags like --no-checkout. Instead, let the --no-checkout flag remain in the argv array, so it may be evaluated alongside the other options already parsed by bisect_start(). Signed-off-by: Aaron Lipman <alipman88@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-08-07rev-list: allow bisect and first-parent flagsAaron Lipman
Add first_parent_only parameter to find_bisection(), removing the barrier that prevented combining the --bisect and --first-parent flags when using git rev-list Based-on-patch-by: Tiago Botelho <tiagonbotelho@hotmail.com> Signed-off-by: Aaron Lipman <alipman88@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-02-19bisect: libify `bisect_next_all`Pranit Bauva
Since we want to get rid of git-bisect.sh, it would be necessary to convert those exit() calls to return statements so that errors can be reported. Emulate try catch in C by converting `exit(<positive-value>)` to `return <negative-value>`. Follow POSIX conventions to return <negative-value> to indicate error. All the functions calling `bisect_next_all()` are already able to handle return values from it. Mentored-by: Christian Couder <chriscool@tuxfamily.org> Mentored-by: Johannes Schindelin <Johannes.Schindelin@gmx.de> Signed-off-by: Pranit Bauva <pranit.bauva@gmail.com> Signed-off-by: Tanushree Tumane <tanushreetumane@gmail.com> Signed-off-by: Miriam Rubio <mirucam@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-02-19bisect: libify `handle_bad_merge_base` and its dependentsPranit Bauva
Since we want to get rid of git-bisect.sh, it would be necessary to convert those exit() calls to return statements so that errors can be reported. Emulate try catch in C by converting `exit(<positive-value>)` to `return <negative-value>`. Follow POSIX conventions to return <negative-value> to indicate error. Update all callers to handle the error returns. Mentored-by: Christian Couder <chriscool@tuxfamily.org> Mentored-by: Johannes Schindelin <Johannes.Schindelin@gmx.de> Signed-off-by: Pranit Bauva <pranit.bauva@gmail.com> Signed-off-by: Tanushree Tumane <tanushreetumane@gmail.com> Signed-off-by: Miriam Rubio <mirucam@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-02-19bisect: libify `check_merge_bases` and its dependentsPranit Bauva
Since we want to get rid of git-bisect.sh, it would be necessary to convert those exit() calls to return statements so that errors can be reported. Emulate try catch in C by converting `exit(<positive-value>)` to `return <negative-value>`. Follow POSIX conventions to return <negative-value> to indicate error. In `check_merge_bases()` there is an early success special case, so we have introduced special error code BISECT_INTERNAL_SUCCESS_MERGE_BASE (-11) which indicates early success. This BISECT_INTERNAL_SUCCESS_MERGE_BASE is converted back to BISECT_OK (0) in `check_good_are_ancestors_of_bad()`. Update all callers to handle the error returns. Mentored-by: Christian Couder <chriscool@tuxfamily.org> Mentored by: Johannes Schindelin <Johannes.Schindelin@gmx.de> Signed-off-by: Pranit Bauva <pranit.bauva@gmail.com> Signed-off-by: Tanushree Tumane <tanushreetumane@gmail.com> Signed-off-by: Miriam Rubio <mirucam@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-02-19bisect: libify `exit_if_skipped_commits` to `error_if_skipped*` and its ↵Pranit Bauva
dependents Since we want to get rid of git-bisect.sh, it would be necessary to convert those exit() calls to return statements so that errors can be reported. Emulate try catch in C by converting `exit(<positive-value>)` to `return <negative-value>`. Follow POSIX conventions to return <negative-value> to indicate error. Update all callers to handle the error returns. Mentored-by: Christian Couder <chriscool@tuxfamily.org> Mentored-by: Johannes Schindelin <Johannes.Schindelin@gmx.de> Signed-off-by: Pranit Bauva <pranit.bauva@gmail.com> Signed-off-by: Tanushree Tumane <tanushreetumane@gmail.com> Signed-off-by: Miriam Rubio <mirucam@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2020-02-19bisect: add enum to represent bisect returning codesMiriam Rubio
Since we want to get rid of git-bisect.sh, it would be necessary to convert those exit() calls to return statements so that errors can be reported. Create an enum called `bisect_error` with the bisecting return codes to use in `bisect.c` libification process. Change bisect_next_all() to make it return this enum. Mentored-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Miriam Rubio <mirucam@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-05-05*.[ch]: manually align parameter listsDenton Liu
In previous patches, extern was mechanically removed from function declarations without care to formatting, causing parameter lists to be misaligned. Manually format changed sections such that the parameter lists should be realigned. Viewing this patch with 'git diff -w' should produce no output. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-05-05*.[ch]: remove extern from function declarations using spatchDenton Liu
There has been a push to remove extern from function declarations. Remove some instances of "extern" for function declarations which are caught by Coccinelle. Note that Coccinelle has some difficulty with processing functions with `__attribute__` or varargs so some `extern` declarations are left behind to be dealt with in a future patch. This was the Coccinelle patch used: @@ type T; identifier f; @@ - extern T f(...); and it was run with: $ git ls-files \*.{c,h} | grep -v ^compat/ | xargs spatch --sp-file contrib/coccinelle/noextern.cocci --in-place Files under `compat/` are intentionally excluded as some are directly copied from external sources and we should avoid churning them as much as possible. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-11-12bisect.c: remove the_repository referenceNguyễn Thái Ngọc Duy
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-08-15Add missing includes and forward declarationsElijah Newren
I looped over the toplevel header files, creating a temporary two-line C program for each consisting of #include "git-compat-util.h" #include $HEADER This patch is the result of manually fixing errors in compiling those tiny programs. Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-11-15Merge branch 'ma/bisect-leakfix'Junio C Hamano
Leak fixes. * ma/bisect-leakfix: bisect: fix memory leak when returning best element bisect: fix off-by-one error in `best_bisection_sorted()` bisect: fix memory leak in `find_bisection()` bisect: change calling-convention of `find_bisection()`
2017-11-06bisect: change calling-convention of `find_bisection()`Martin Ågren
This function takes a commit list and returns a commit list. The returned list is built by modifying the original list. Thus the caller should not use the original list again (and after the next commit fixes a memory leak, it must not). Change the function signature so that it takes a **list and has void return type. That should make it harder to misuse this function. While we're here, document this function. Signed-off-by: Martin Ågren <martin.agren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-10-06bisect--helper: `bisect_clean_state` shell function in CPranit Bauva
Reimplement `bisect_clean_state` shell function in C and add a `bisect-clean-state` subcommand to `git bisect--helper` to call it from git-bisect.sh . Using `--bisect-clean-state` subcommand is a measure to port shell function to C so as to use the existing test suite. As more functions are ported, this subcommand will be retired but its implementation will be called by bisect_reset() and bisect_start(). Also introduce a function `mark_for_removal` to store the refs which need to be removed while iterating through the refs. Mentored-by: Lars Schneider <larsxschneider@gmail.com> Mentored-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Pranit Bauva <pranit.bauva@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2015-08-03bisect: simplify the addition of new bisect termsAntoine Delaite
We create a file BISECT_TERMS in the repository .git to be read during a bisection. There's no user-interface yet, but "git bisect" works if terms other than old/new or bad/good are set in .git/BISECT_TERMS. The fonctions to be changed if we add new terms are quite few. In git-bisect.sh: check_and_set_terms bisect_voc Co-authored-by: Louis Stuber <stuberl@ensimag.grenoble-inp.fr> Tweaked-by: Matthieu Moy <Matthieu.Moy@imag.fr> Signed-off-by: Antoine Delaite <antoine.delaite@ensimag.grenoble-inp.fr> Signed-off-by: Louis Stuber <stuberl@ensimag.grenoble-inp.fr> Signed-off-by: Valentin Duperray <Valentin.Duperray@ensimag.imag.fr> Signed-off-by: Franck Jonas <Franck.Jonas@ensimag.imag.fr> Signed-off-by: Lucien Kong <Lucien.Kong@ensimag.imag.fr> Signed-off-by: Thomas Nguy <Thomas.Nguy@ensimag.imag.fr> Signed-off-by: Huynh Khoi Nguyen Nguyen <Huynh-Khoi-Nguyen.Nguyen@ensimag.imag.fr> Signed-off-by: Matthieu Moy <Matthieu.Moy@imag.fr> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-10-29Move print_commit_list to libgit.aNguyễn Thái Ngọc Duy
This is used by bisect.c, part of libgit.a while it stays in builtin/rev-list.c. Move it to commit.c so that we won't get undefined reference if a program that uses libgit.a happens to pull it in. Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Jeff King <peff@peff.net>
2012-02-28rev-list: fix --verify-objects --quiet becoming --objectsNguyễn Thái Ngọc Duy
When --quiet is specified, finish_object() is called instead of show_object(). The latter is in charge of --verify-objects and will be skipped if --quiet is specified. Move the code up to finish_object(). Also pass the quiet flag along and make it always call show_* functions to avoid similar problems in future. Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-28rev-list: remove BISECT_SHOW_TRIED flagNguyễn Thái Ngọc Duy
Since c99f069 (bisect--helper: remove "--next-vars" option as it is now useless - 2009-04-21), this flag has always been off. Remove the flag and all related code. Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-08-04bisect: introduce support for --no-checkout option.Jon Seymour
If --no-checkout is specified, then the bisection process uses: git update-ref --no-deref HEAD <trial> at each trial instead of: git checkout <trial> Improved-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Jon Seymour <jon.seymour@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-01-12builtin-rev-list.c: mark file-local function staticJunio C Hamano
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-06-06bisect: add parameters to "filter_skipped"Christian Couder
because we will need to get more information from this function in some later patches. The new "int *count" parameter gives the number of commits left after the skipped commit have been filtered out. The new "int *skipped_first" parameter tells us if the first commit in the list has been skipped. Note that using this parameter also changes the behavior of the function if the first commit is indeed skipped. Because we assume that in this case we will want all the filtered commits, not just the first one, even if "show_all" is not set. So using a not NULL "skipped_first" parameter really means that we plan to choose to test another commit than the first non skipped one if the first commit in the list is skipped. That in turn means that, in case the first commit is skipped, we have to return a fully filtered list. Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-05-10bisect: make "git bisect" use new "--next-all" bisect-helper functionChristian Couder
This patch replace the "--next-exit" option of "git bisect--helper" with a "--next-all" option that does merge base checking using the "check_good_are_ancestors_of_bad" function implemented in "bisect.c" in a former patch. The new "--next-all" option is then used in "git-bisect.sh" instead of the "--next-exit" option, and all the shell functions in "git-bisect.sh" that are now unused are removed. Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-05-10rev-list: remove stringed output flag from "show_bisect_vars"Christian Couder
Because it was used only by "git bisect--helper --next-vars" but the "--next-vars" option has been removed. Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-05-10bisect--helper: remove "--next-vars" option as it is now uselessChristian Couder
Because it has been replaced by "--next-exit". Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-05-10bisect--helper: add "--next-exit" to output bisect resultsChristian Couder
The goal of this patch is to port more shell code from the "bisect_next" function in "git-bisect.sh" to C code in "builtin-bisect--helper.c". So we port the code that interprets the bisection result and stops or continues (by checking out the next revision) the bisection process. Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-05-10rev-list: refactor printing bisect varsChristian Couder
This simplifies the code, and while at it we create the "print_commit_list" function that will be reused later. Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-05-10rev-list: make "estimate_bisect_steps" non staticChristian Couder
Because it will be used from "bisect.c" too. Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-04-08rev-list: add "int bisect_show_flags" in "struct rev_list_info"Christian Couder
This is a cleanup patch to make it easier to use the "show_bisect_vars" function and take advantage of the rev_list_info struct. Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-04-08rev-list: remove last static vars used in "show_commit"Christian Couder
This patch removes the last static variables that were used in the "show_commit" function. To do that, we create a new "rev_list_info" struct that we will pass in the "void *data" argument to "show_commit". This means that we have to change the first argument to "show_bisect_vars" too. While at it, we also remove a "struct commit_list *list" variable in "cmd_rev_list" that is not really needed. Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-04-05bisect--helper: string output variables together with "&&"Christian Couder
When doing: eval "git bisect--helper --next-vars" | { while read line do echo "$line &&" done echo ':' } the result code comes from the last "echo ':'", not from running "git bisect--helper --next-vars". This patch gets rid of the need to string together the line from the output of "git bisect--helper" with "&&" in the calling script by making "git bisect--helper --next-vars" return output variables already in that format. Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-04-05rev-list: pass "int flags" as last argument of "show_bisect_vars"Christian Couder
Instead of "int show_all, int show_tried" we now only pass "int flags", because we will add one more flag in a later patch. Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-04-05bisect--helper: implement "git bisect--helper"Christian Couder
This patch implements a new "git bisect--helper" builtin plumbing command that will be used to migrate "git-bisect.sh" to C. We start by implementing only the "--next-vars" option that will read bisect refs from "refs/bisect/", and then compute the next bisect step, and output shell variables ready to be eval'ed by the shell. At this step, "git bisect--helper" ignores the paths that may have been put in "$GIT_DIR/BISECT_NAMES". This will be fixed in a later patch. Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-04-05rev-list: call new "filter_skip" functionChristian Couder
This patch implements a new "filter_skip" function in C in "bisect.c" that will later replace the existing implementation in shell in "git-bisect.sh". An array is used to store the skipped commits. But the array is not yet fed anything. Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-03-30rev-list: pass "revs" to "show_bisect_vars"Christian Couder
instead of using static "revs" data Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-03-30rev-list: make "show_bisect_vars" non staticChristian Couder
and declare it in "bisect.h" as we will use this function later. While at it, rename its last argument "show_all" instead of "bisect_find_all". Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-03-30rev-list: move bisect related code into its own fileChristian Couder
This patch creates new "bisect.c" and "bisect.h" files and move bisect related code into these files. While at it, we also remove some include directives that are not needed any more from the beginning of "builtin-rev-list.c". Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>