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Ævar Arnfjörð Bjarmason 0cc05b044f usage.c: add a non-fatal bug() function to go with BUG() 
Add a bug() function to use in cases where we'd like to indicate a
runtime BUG(), but would like to defer the BUG() call because we're
possibly accumulating more bug() callers to exhaustively indicate what
went wrong.

We already have this sort of facility in various parts of the
codebase, just in the form of ad-hoc re-inventions of the
functionality that this new API provides. E.g. this will be used to
replace optbug() in parse-options.c, and the 'error("BUG:[...]' we do
in a loop in builtin/receive-pack.c.

Unlike the code this replaces we'll log to trace2 with this new bug()
function (as with other usage.c functions, including BUG()), we'll
also be able to avoid calls to xstrfmt() in some cases, as the bug()
function itself accepts variadic sprintf()-like arguments.

Any caller to bug() can follow up such calls with BUG_if_bug(),
which will BUG() out (i.e. abort()) if there were any preceding calls
to bug(), callers can also decide not to call BUG_if_bug() and leave
the resulting BUG() invocation until exit() time. There are currently
no bug() API users that don't call BUG_if_bug() themselves after a
for-loop, but allowing for not calling BUG_if_bug() keeps the API
flexible. As the tests and documentation here show we'll catch missing
BUG_if_bug() invocations in our exit() wrapper.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-06-02 12:51:35 -07:00
..
.gitignore drop vcs-svn experiment 2020-08-13 11:02:15 -07:00
test-advise.c advice.h: add missing __attribute__((format)) & fix usage 2021-07-13 15:20:20 -07:00
test-bitmap.c t/helper/test-bitmap.c: add 'dump-hashes' mode 2021-09-14 16:34:17 -07:00
test-bloom.c Merge branch 'cc/test-helper-bloom-usage-fix' 2021-04-13 15:28:52 -07:00
test-chmtime.c t/helper/test-chmtime: skip directories on Windows 2022-03-25 16:04:17 -07:00
test-config.c config: fix leaks from git_config_get_string_const() 2020-08-14 10:52:04 -07:00
test-crontab.c maintenance: add start/stop subcommands 2020-09-25 10:59:44 -07:00
test-csprng.c wrapper: add a helper to generate numbers from a CSPRNG 2022-01-17 14:17:48 -08:00
test-ctype.c
test-date.c date API: add and use a date_mode_release() 2022-02-16 09:40:00 -08:00
test-delta.c test-delta: read input into a heap buffer 2018-08-30 10:30:21 -07:00
test-dir-iterator.c Merge branch 'mt/dir-iterator-updates' 2019-08-09 10:13:14 -07:00
test-drop-caches.c lazyload: use correct calling conventions 2022-01-09 10:34:53 -08:00
test-dump-cache-tree.c convert "oidcmp() != 0" to "!oideq()" 2018-08-29 11:32:49 -07:00
test-dump-fsmonitor.c fsmonitor: change last update timestamp on the index_state to opaque token 2020-01-13 14:58:43 -08:00
test-dump-split-index.c t/helper/test-dump-split-index: initialize git repository 2020-02-24 09:33:24 -08:00
test-dump-untracked-cache.c environment.c: remove test-specific "ignore_untracked..." variable 2021-09-22 13:15:00 -07:00
test-example-decorate.c lookup_unknown_object(): take a repository argument 2021-04-13 13:18:46 -07:00
test-fake-ssh.c
test-fast-rebase.c fast-rebase: write conflict state to working tree, index, and HEAD 2021-05-20 15:40:39 +09:00
test-fsmonitor-client.c t/helper/fsmonitor-client: create IPC client to talk to FSMonitor Daemon 2022-03-25 16:04:16 -07:00
test-genrandom.c
test-genzeros.c test-tool genzeros: generate large amounts of data more efficiently 2021-11-03 11:22:26 -07:00
test-getcwd.c t0001: fix broken not-quite getcwd(3) test in bed67874e2 2021-07-30 10:18:27 -07:00
test-hash-speed.c builtins + test helpers: use return instead of exit() in cmd_* 2021-06-09 09:15:58 +09:00
test-hash.c builtins + test helpers: use return instead of exit() in cmd_* 2021-06-09 09:15:58 +09:00
test-hashmap.c Use new HASHMAP_INIT macro to simplify hashmap initialization 2020-11-11 12:55:27 -08:00
test-index-version.c
test-json-writer.c json_writer: new routines to create JSON data 2018-07-16 13:55:39 -07:00
test-lazy-init-name-hash.c OFFSETOF_VAR macro to simplify hashmap iterators 2019-10-07 10:20:11 +09:00
test-match-trees.c builtins + test helpers: use return instead of exit() in cmd_* 2021-06-09 09:15:58 +09:00
test-mergesort.c test-mergesort: use repeatable random numbers 2021-10-08 10:04:56 -07:00
test-mktemp.c
test-oid-array.c tests: fix test-oid-array leak, test in SANITIZE=leak 2021-10-07 15:40:15 -07:00
test-oidmap.c test-oidmap: remove 'add' subcommand 2019-07-01 10:26:28 -07:00
test-oidtree.c tests: fix a memory leak in test-oidtree.c 2021-10-07 15:40:15 -07:00
test-online-cpus.c
test-parse-options.c tests: fix a memory leak in test-parse-options.c 2021-10-07 15:40:15 -07:00
test-parse-pathspec-file.c test-parse-pathspec-file.c: s/0/NULL/ for pointer type 2020-04-27 11:21:12 -07:00
test-partial-clone.c promisor-remote: teach lazy-fetch in any repo 2021-06-28 09:58:01 -07:00
test-path-utils.c t0060: test ntfs/hfs-obscured dotfiles 2021-05-04 11:52:02 +09:00
test-pcre2-config.c grep/pcre2: better support invalid UTF-8 haystacks 2021-01-24 16:09:17 -08:00
test-pkt-line.c test-lib-functions: use test-tool for [de]packetize() 2021-07-19 11:53:50 -07:00
test-prio-queue.c tests: fix a memory leak in test-prio-queue.c 2021-10-07 15:40:15 -07:00
test-proc-receive.c receive-pack: use default version 0 for proc-receive 2020-11-11 12:46:56 -08:00
test-progress.c progress.c tests: make start/stop commands on stdin 2022-02-03 15:39:55 -08:00
test-reach.c builtins + test helpers: use return instead of exit() in cmd_* 2021-06-09 09:15:58 +09:00
test-read-cache.c test-read-cache: remove --table, --expand options 2021-12-22 11:42:40 -08:00
test-read-graph.c test-read-graph: include extra post-parse info 2022-03-01 12:09:55 -08:00
test-read-midx.c t/helper/test-read-midx.c: free MIDX within read_midx_file() 2021-10-27 16:26:37 -07:00
test-ref-store.c refs API: remove "failure_errno" from refs_resolve_ref_unsafe() 2022-01-26 15:58:41 -08:00
test-reftable.c reftable: order unittests by complexity 2022-01-20 11:31:53 -08:00
test-regex.c t/helper: teach test-regex to report pattern errors (like REG_ILLSEQ) 2020-05-18 13:03:35 -07:00
test-repository.c t/helper: make repository tests hash independent 2020-02-24 09:33:27 -08:00
test-revision-walking.c revision.c: remove implicit dependency on the_index 2018-09-21 09:51:19 -07:00
test-run-command.c Merge branch 'ep/remove-duplicated-includes' 2022-03-23 14:09:30 -07:00
test-scrap-cache-tree.c Merge branch 'ma/lockfile-cleanup' 2018-05-30 14:04:05 +09:00
test-serve-v2.c serve.[ch]: remove "serve_options", split up --advertise-refs code 2021-08-05 08:59:37 -07:00
test-sha1.c t: make the sha1 test-tool helper generic 2018-11-14 16:54:52 +09:00
test-sha1.sh
test-sha256.c Add a base implementation of SHA-256 support 2018-11-14 16:54:53 +09:00
test-sigchain.c style: the opening '{' of a function is in a separate line 2018-12-10 15:41:09 +09:00
test-simple-ipc.c t/helper/simple-ipc: convert test-simple-ipc to use start_bg_command 2021-09-20 08:57:58 -07:00
test-strcmp-offset.c
test-string-list.c
test-submodule-config.c
test-submodule-nested-repo-config.c repository: support unabsorbed in repo_submodule_init 2021-09-09 14:09:30 -07:00
test-subprocess.c run-command API users: use strvec_pushv(), not argv assignment 2021-11-25 22:15:07 -08:00
test-tool.c t/helper/fsmonitor-client: create IPC client to talk to FSMonitor Daemon 2022-03-25 16:04:16 -07:00
test-tool.h t/helper/fsmonitor-client: create IPC client to talk to FSMonitor Daemon 2022-03-25 16:04:16 -07:00
test-trace2.c usage.c: add a non-fatal bug() function to go with BUG() 2022-06-02 12:51:35 -07:00
test-urlmatch-normalization.c
test-userdiff.c userdiff tests: list builtin drivers via test-tool 2021-04-08 12:19:10 -07:00
test-wildmatch.c
test-windows-named-pipe.c use strpbrk(3) to search for characters from a given set 2020-02-24 09:30:31 -08:00
test-write-cache.c Merge branch 'ma/lockfile-cleanup' 2018-05-30 14:04:05 +09:00
test-xml-encode.c tests: optionally write results as JUnit-style .xml 2019-01-29 09:26:46 -08:00