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2016-09-07apply: refactor `git apply` option parsingLibravatar Christian Couder3-98/+97
Parsing `git apply` options can be useful to other commands that want to call the libified apply functionality, because this way they can easily pass some options from their own command line to the libified apply functionality. This will be used by `git am` in a following patch. To make this possible, let's refactor the `git apply` option parsing code into a new libified apply_parse_options() function. Doing that makes it possible to remove some functions definitions from "apply.h" and make them static in "apply.c". Helped-by: Ramsay Jones <ramsay@ramsayjones.plus.com> Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-09-07apply: change error_routine when silentLibravatar Christian Couder2-1/+28
To avoid printing anything when applying with `state->apply_verbosity == verbosity_silent`, let's save the existing warn and error routines before applying, and let's replace them with a routine that does nothing. Then after applying, let's restore the saved routines. Note that, as we need to restore the saved routines in all cases, we cannot return early any more in apply_all_patches(). Helped-by: Stefan Beller <sbeller@google.com> Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-09-07usage: add get_error_routine() and get_warn_routine()Libravatar Christian Couder2-0/+12
Let's make it possible to get the current error_routine and warn_routine, so that we can store them before using set_error_routine() or set_warn_routine() to use new ones. This way we will be able put back the original routines, when we are done with using new ones. Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-09-07usage: add set_warn_routine()Libravatar Christian Couder2-0/+6
There are already set_die_routine() and set_error_routine(), so let's add set_warn_routine() as this will be needed in a following commit. Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-09-07apply: don't print on stdout in verbosity_silent modeLibravatar Christian Couder1-3/+3
When apply_verbosity is set to verbosity_silent nothing should be printed on both stderr and stdout. To avoid printing on stdout, we can just skip calling the following functions: - stat_patch_list(), - numstat_patch_list(), - summary_patch_list(). It is safe to do that because the above functions have no side effects other than printing: - stat_patch_list() only computes some local values and then call show_stats() and print_stat_summary(), those two functions only compute local values and call printing functions, - numstat_patch_list() also only computes local values and calls printing functions, - summary_patch_list() calls show_file_mode_name(), printf(), show_rename_copy(), show_mode_change() that are only printing. Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-09-07apply: make it possible to silently applyLibravatar Christian Couder3-24/+48
This changes 'int apply_verbosely' into 'enum apply_verbosity', and changes the possible values of the variable from a bool to a tristate. The previous 'false' state is changed into 'verbosity_normal'. The previous 'true' state is changed into 'verbosity_verbose'. The new added state is 'verbosity_silent'. It should prevent anything to be printed on both stderr and stdout. This is needed because `git am` wants to first call apply functionality silently, if it can then fall back on 3-way merge in case of error. Printing on stdout, and calls to warning() or error() are not taken care of in this patch, as that will be done in following patches. Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-09-07apply: use error_errno() where possibleLibravatar Christian Couder1-8/+8
To avoid possible mistakes and to uniformly show the errno related messages, let's use error_errno() where possible. Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-09-07apply: make some parsing functions static againLibravatar Christian Couder2-8/+3
Some parsing functions that were used in both "apply.c" and "builtin/apply.c" are now only used in the former, so they can be made static to "apply.c". Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-09-07apply: move libified code from builtin/apply.c to apply.{c,h}Libravatar Christian Couder3-4732/+4751
As most of the apply code in builtin/apply.c has been libified by a number of previous commits, it can now be moved to apply.{c,h}, so that more code can use it. Helped-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Helped-by: Ramsay Jones <ramsay@ramsayjones.plus.com> Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-09-07apply: rename and move opt constants to apply.hLibravatar Christian Couder2-7/+11
The constants for the "inaccurate-eof" and the "recount" options will be used in both "apply.c" and "builtin/apply.c", so they need to go into "apply.h", and therefore they need a name that is more specific to the API they belong to. Helped-by: Stefan Beller <sbeller@google.com> Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-09-07builtin/apply: rename option parsing functionsLibravatar Christian Couder1-20/+20
As these functions are going to be part of the libified apply API, let's give them a name that is more specific to the apply API. Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-09-07builtin/apply: make create_one_file() return -1 on errorLibravatar Christian Couder1-15/+21
To libify `git apply` functionality we have to signal errors to the caller instead of exit()ing. To do that in a compatible manner with the rest of the error handling in "builtin/apply.c", create_one_file() should return -1 instead of calling exit(). Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-09-07builtin/apply: make try_create_file() return -1 on errorLibravatar Christian Couder1-11/+33
To libify `git apply` functionality we have to signal errors to the caller instead of die()ing. To do that in a compatible manner with the rest of the error handling in "builtin/apply.c", try_create_file() should return -1 in case of error. Unfortunately try_create_file() currently returns -1 to signal a recoverable error. To fix that, let's make it return 1 in case of a recoverable error and -1 in case of an unrecoverable error. Helped-by: Eric Sunshine <sunshine@sunshineco.com> Helped-by: Jeff King <peff@peff.net> Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-08-11builtin/apply: make write_out_results() return -1 on errorLibravatar Christian Couder1-6/+21
To libify `git apply` functionality we have to signal errors to the caller instead of exit()ing. To do that in a compatible manner with the rest of the error handling in "builtin/apply.c", write_out_results() should return -1 instead of calling exit(). Helped-by: Eric Sunshine <sunshine@sunshineco.com> Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-08-11builtin/apply: make write_out_one_result() return -1 on errorLibravatar Christian Couder1-22/+16
To libify `git apply` functionality we have to signal errors to the caller instead of exit()ing. To do that in a compatible manner with the rest of the error handling in "builtin/apply.c", write_out_one_result() should just return what remove_file() and create_file() are returning instead of calling exit(). Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-08-11builtin/apply: make create_file() return -1 on errorLibravatar Christian Couder1-12/+13
To libify `git apply` functionality we have to signal errors to the caller instead of exit()ing. To do that in a compatible manner with the rest of the error handling in "builtin/apply.c", create_file() should just return what add_conflicted_stages_file() and add_index_file() are returning instead of calling exit(). Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-08-11builtin/apply: make add_index_file() return -1 on errorLibravatar Christian Couder1-17/+31
To libify `git apply` functionality we have to signal errors to the caller instead of die()ing. To do that in a compatible manner with the rest of the error handling in "builtin/apply.c", add_index_file() should return -1 instead of calling die(). Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-08-11builtin/apply: make add_conflicted_stages_file() return -1 on errorLibravatar Christian Couder1-7/+13
To libify `git apply` functionality we have to signal errors to the caller instead of die()ing. To do that in a compatible manner with the rest of the error handling in "builtin/apply.c", add_conflicted_stages_file() should return -1 instead of calling die(). Helped-by: Eric Sunshine <sunshine@sunshineco.com> Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-08-11builtin/apply: make remove_file() return -1 on errorLibravatar Christian Couder1-6/+11
To libify `git apply` functionality we have to signal errors to the caller instead of die()ing. To do that in a compatible manner with the rest of the error handling in "builtin/apply.c", remove_file() should return -1 instead of calling die(). Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-08-11builtin/apply: make build_fake_ancestor() return -1 on errorLibravatar Christian Couder1-15/+26
To libify `git apply` functionality we have to signal errors to the caller instead of die()ing. To do that in a compatible manner with the rest of the error handling in "builtin/apply.c", build_fake_ancestor() should return -1 instead of calling die(). Helped-by: Eric Sunshine <sunshine@sunshineco.com> Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-08-11builtin/apply: change die_on_unsafe_path() to check_unsafe_path()Libravatar Christian Couder1-11/+21
To libify `git apply` functionality we have to signal errors to the caller instead of die()ing. To do that in a compatible manner with the rest of the error handling in "builtin/apply.c", die_on_unsafe_path() should return a negative integer instead of calling die(), so while doing that let's change its name to check_unsafe_path(). Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-08-11builtin/apply: make gitdiff_*() return -1 on errorLibravatar Christian Couder1-19/+21
To libify `git apply` functionality we have to signal errors to the caller instead of die()ing. To do that in a compatible manner with the rest of the error handling in "builtin/apply.c", gitdiff_*() functions should return -1 instead of calling die(). A previous patch made it possible for gitdiff_*() functions to return -1 in case of error. Let's take advantage of that to make gitdiff_verify_name() return -1 on error, and to have gitdiff_oldname() and gitdiff_newname() directly return what gitdiff_verify_name() returns. Helped-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-08-11builtin/apply: make gitdiff_*() return 1 at end of headerLibravatar Christian Couder1-3/+9
The gitdiff_*() functions that are called as p->fn() in parse_git_header() should return 1 instead of -1 in case of end of header or unrecognized input, as these are not real errors. It just instructs the parser to break out. This makes it possible for gitdiff_*() functions to return -1 in case of a real error. This will be done in a following patch. Helped-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-08-11builtin/apply: make parse_traditional_patch() return -1 on errorLibravatar Christian Couder1-6/+9
To libify `git apply` functionality we have to signal errors to the caller instead of die()ing. To do that in a compatible manner with the rest of the error handling in "builtin/apply.c", parse_traditional_patch() should return -1 instead of calling die(). Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-08-11builtin/apply: make apply_all_patches() return 128 or 1 on errorLibravatar Christian Couder1-11/+26
To finish libifying the apply functionality, apply_all_patches() should not die() or exit() in case of error, but return either 128 or 1, so that it gives the same exit code as when die() or exit(1) is called. This way scripts relying on the exit code don't need to be changed. While doing that we must take care that file descriptors are properly closed and, if needed, reset to a sensible value. Also, according to the lockfile API, when finished with a lockfile, one should either commit it or roll it back. This is even more important now that the same lockfile can be passed to init_apply_state() many times to be reused by series of calls to the apply lib functions. Helped-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Helped-by: Johannes Schindelin <Johannes.Schindelin@gmx.de> Helped-by: Eric Sunshine <sunshine@sunshineco.com> Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-08-11builtin/apply: move check_apply_state() to apply.cLibravatar Christian Couder3-32/+33
To libify `git apply` functionality we must make check_apply_state() usable outside "builtin/apply.c". Let's do that by moving it into "apply.c". Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-08-11builtin/apply: make check_apply_state() return -1 instead of die()ingLibravatar Christian Couder1-8/+11
To libify `git apply` functionality we have to signal errors to the caller instead of die()ing. To do that in a compatible manner with the rest of the error handling in "builtin/apply.c", check_apply_state() should return -1 instead of calling die(). Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-08-11apply: make init_apply_state() return -1 instead of exit()ingLibravatar Christian Couder3-9/+11
To libify `git apply` functionality we have to signal errors to the caller instead of exit()ing. To do that in a compatible manner with the rest of the error handling in "builtin/apply.c", init_apply_state() should return -1 instead of calling exit(). Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-08-11builtin/apply: move init_apply_state() to apply.cLibravatar Christian Couder4-91/+105
To libify `git apply` functionality we must make init_apply_state() usable outside "builtin/apply.c". Let's do that by moving it into a new "apply.c". Helped-by: Eric Sunshine <sunshine@sunshineco.com> Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-08-11builtin/apply: make parse_ignorewhitespace_option() return -1 instead of ↵Libravatar Christian Couder1-7/+7
die()ing To libify `git apply` functionality we have to signal errors to the caller instead of die()ing. To do that in a compatible manner with the rest of the error handling in "builtin/apply.c", parse_ignorewhitespace_option() should return -1 instead of calling die(). Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-08-11builtin/apply: make parse_whitespace_option() return -1 instead of die()ingLibravatar Christian Couder1-11/+12
To libify `git apply` functionality we have to signal errors to the caller instead of die()ing. To do that in a compatible manner with the rest of the error handling in builtin/apply.c, parse_whitespace_option() should return -1 instead of calling die(). Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-08-11builtin/apply: make parse_single_patch() return -1 on errorLibravatar Christian Couder2-6/+15
To libify `git apply` functionality we have to signal errors to the caller instead of die()ing. To do that in a compatible manner with the rest of the error handling in builtin/apply.c, parse_single_patch() should return a negative integer instead of calling die(). Let's do that by using error() and let's adjust the related test cases accordingly. Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-08-11builtin/apply: make parse_chunk() return a negative integer on errorLibravatar Christian Couder1-8/+14
To libify `git apply` functionality we have to signal errors to the caller instead of die()ing or exit()ing. To do that in a compatible manner with the rest of the error handling in builtin/apply.c, parse_chunk() should return a negative integer instead of calling die() or exit(). As parse_chunk() is called only by apply_patch() which already returns either -1 or -128 when an error happened, let's make it also return -1 or -128. This makes it compatible with what find_header() and parse_binary() already return. Helped-by: Eric Sunshine <sunshine@sunshineco.com> Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-08-11builtin/apply: make find_header() return -128 instead of die()ingLibravatar Christian Couder2-13/+29
To libify `git apply` functionality we have to signal errors to the caller instead of die()ing. To do that in a compatible manner with the rest of the error handling in builtin/apply.c, let's make find_header() return -128 instead of calling die(). We could make it return -1, unfortunately find_header() already returns -1 when no header is found. Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-08-11builtin/apply: read_patch_file() return -1 instead of die()ingLibravatar Christian Couder1-3/+5
To libify `git apply` functionality we have to signal errors to the caller instead of die()ing. Let's do that by returning -1 instead of die()ing in read_patch_file(). Helped-by: Stefan Beller <sbeller@google.com> Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-08-11builtin/apply: make apply_patch() return -1 or -128 instead of die()ingLibravatar Christian Couder1-15/+45
To libify `git apply` functionality we have to signal errors to the caller instead of die()ing. As a first step in this direction, let's make apply_patch() return -1 or -128 in case of errors instead of dying. For now its only caller apply_all_patches() will exit(128) when apply_patch() return -128 and it will exit(1) when it returns -1. We exit() with code 128 because that was what die() was doing and we want to keep the distinction between exiting with code 1 and exiting with code 128. Helped-by: Eric Sunshine <sunshine@sunshineco.com> Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-08-11apply: move 'struct apply_state' to apply.hLibravatar Christian Couder2-97/+101
To libify `git apply` functionality we must make 'struct apply_state' usable outside "builtin/apply.c". Let's do that by creating a new "apply.h" and moving 'struct apply_state' there. Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-08-11apply: make some names more specificLibravatar Christian Couder1-10/+10
To prepare for some structs and constants being moved from builtin/apply.c to apply.h, we should give them some more specific names to avoid possible name collisions in the global namespace. Signed-off-by: Christian Couder <chriscool@tuxfamily.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-07-28Sync with maintLibravatar Junio C Hamano1-0/+58
* maint: Some fixes for 2.9.3
2016-07-28Eighth batch of topics for 2.10Libravatar Junio C Hamano1-19/+34
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-07-28t9100: portability fixLibravatar Junio C Hamano1-2/+4
Do not say "export VAR=VAL"; "VAR=VAL && export VAR" is always more portable. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-07-28Merge branch 'master' of git://git.bogomips.org/git-svnLibravatar Junio C Hamano3-2/+24
* 'master' of git://git.bogomips.org/git-svn: git-svn: allow --version to work anywhere git-svn: document svn.authorsProg in config
2016-07-28Some fixes for 2.9.3Libravatar Junio C Hamano2-1/+59
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-07-28Merge branch 'ak/lazy-prereq-mktemp' into maintLibravatar Junio C Hamano1-1/+6
A test that unconditionally used "mktemp" learned that the command is not necessarily available everywhere. * ak/lazy-prereq-mktemp: t7610: test for mktemp before test execution
2016-07-28Merge branch 'nd/icase' into maintLibravatar Junio C Hamano11-21/+291
"git grep -i" has been taught to fold case in non-ascii locales correctly. * nd/icase: grep.c: reuse "icase" variable diffcore-pickaxe: support case insensitive match on non-ascii diffcore-pickaxe: Add regcomp_or_die() grep/pcre: support utf-8 gettext: add is_utf8_locale() grep/pcre: prepare locale-dependent tables for icase matching grep: rewrite an if/else condition to avoid duplicate expression grep/icase: avoid kwsset when -F is specified grep/icase: avoid kwsset on literal non-ascii strings test-regex: expose full regcomp() to the command line test-regex: isolate the bug test code grep: break down an "if" stmt in preparation for next changes
2016-07-28Merge branch 'sb/submodule-parallel-fetch' into maintLibravatar Junio C Hamano1-16/+27
Fix recently introduced codepaths that are involved in parallel submodule operations, which gave up on reading too early, and could have wasted CPU while attempting to write under a corner case condition. * sb/submodule-parallel-fetch: hoist out handle_nonblock function for xread and xwrite xwrite: poll on non-blocking FDs xread: retry after poll on EAGAIN/EWOULDBLOCK
2016-07-28Merge branch 'dk/blame-move-no-reason-for-1-line-context' into maintLibravatar Junio C Hamano1-4/+3
"git blame -M" missed a single line that was moved within the file. * dk/blame-move-no-reason-for-1-line-context: blame: require 0 context lines while finding moved lines with -M
2016-07-28Merge branch 'jk/test-match-signal' into maintLibravatar Junio C Hamano3-11/+26
The test framework learned a new helper test_match_signal to check an exit code from getting killed by an expected signal. * jk/test-match-signal: t/lib-git-daemon: use test_match_signal test_must_fail: use test_match_signal t0005: use test_match_signal as appropriate tests: factor portable signal check out of t0005
2016-07-28Merge branch 'js/am-call-theirs-theirs-in-fallback-3way' into maintLibravatar Junio C Hamano1-8/+8
One part of "git am" had an oddball helper function that called stuff from outside "his" as opposed to calling what we have "ours", which was not gender-neutral and also inconsistent with the rest of the system where outside stuff is usuall called "theirs" in contrast to "ours". * js/am-call-theirs-theirs-in-fallback-3way: am: counteract gender bias
2016-07-28Merge branch 'js/t3404-grammo-fix' into maintLibravatar Junio C Hamano1-1/+1
Grammofix. * js/t3404-grammo-fix: t3404: fix a grammo (commands are ran -> commands are run)