Hey, Empty arguments passed on the command line can be a represented by a '', however sq_quote_buf_pretty was incorrectly dropping these arguments altogether. Fix this problem by ensuring that such arguments are emitted as '' instead.
Looking forward to your review. Cheers! Garima Singh Reported by: Junio Hamano gits...@pobox.com [gits...@pobox.com] in https://public-inbox.org/git/pull.298.git.gitgitgad...@gmail.com/T/#m9e33936067ec2066f675aa63133a2486efd415fd Garima Singh (1): sq_quote_buf_pretty: don't drop empty arguments quote.c | 9 +++++++++ t/t0014-alias.sh | 7 +++++++ 2 files changed, 16 insertions(+) base-commit: 5fa0f5238b0cd46cfe7f6fa76c3f526ea98148d9 Published-As: https://github.com/gitgitgadget/git/releases/tag/pr-314%2Fgarimasi514%2FcoreGit-fixQuote-v4 Fetch-It-Via: git fetch https://github.com/gitgitgadget/git pr-314/garimasi514/coreGit-fixQuote-v4 Pull-Request: https://github.com/gitgitgadget/git/pull/314 Range-diff vs v3: 1: 399fe02cb1 ! 1: a6a0217ce6 quote: handle numm and empty strings in sq_quote_buf_pretty @@ -1,13 +1,11 @@ Author: Garima Singh <garima.si...@microsoft.com> - quote: handle numm and empty strings in sq_quote_buf_pretty + sq_quote_buf_pretty: don't drop empty arguments - The sq_quote_buf_pretty() function does not emit anything - when the incoming string is empty, but the function is to - accumulate command line arguments, properly quoted as - necessary, and the right way to add an argument that is an - empty string is to show it quoted, i.e. ''. We warn the caller - with the BUG macro is they pass in a NULL. + Empty arguments passed on the command line can be a represented by + a '', however sq_quote_buf_pretty was incorrectly dropping these + arguments altogether. Fix this problem by ensuring that such + arguments are emitted as '' instead. Reported by: Junio Hamano <gits...@pobox.com> Signed-off-by: Garima Singh <garima.si...@microsoft.com> @@ -19,11 +17,10 @@ static const char ok_punct[] = "+,-./:=@_^"; const char *p; -+ /* In case of null tokens, warn the user of the BUG in their call. */ + if (!src) + BUG("Cannot append a NULL token to the buffer"); + -+ /* Avoid dropping a zero-length token by adding '' */ ++ /* Avoid losing a zero-length string by adding '' */ + if (!*src) { + strbuf_addstr(dst, "''"); + return; @@ -40,7 +37,7 @@ # test_i18ngrep "^fatal: alias loop detected: expansion of" output #' -+test_expect_success 'run-command parses empty args properly, using sq_quote_buf_pretty' ' ++test_expect_success 'run-command formats empty args properly' ' + GIT_TRACE=1 git frotz a "" b " " c 2>&1 | + sed -ne "/run_command:/s/.*trace: run_command: //p" >actual && + echo "git-frotz a '\'''\'' b '\'' '\'' c" >expect && -- gitgitgadget
