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https://github.com/git/git
synced 2024-07-17 11:07:55 +00:00
check-ignore: add -n / --non-matching option
If `-n` or `--non-matching` are specified, non-matching pathnames will also be output, in which case all fields in each output record except for <pathname> will be empty. This can be useful when running check-ignore as a background process, so that files can be incrementally streamed to STDIN, and for each of these files, STDOUT will indicate whether that file matched a pattern or not. (Without this option, it would be impossible to tell whether the absence of output for a given file meant that it didn't match any pattern, or that the result simply hadn't been flushed to STDOUT yet.) Signed-off-by: Adam Spiers <git@adamspiers.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Adam Spiers
Junio C Hamano
parent
eef39f8124
commit
ae3caf4c91
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@ -39,6 +39,12 @@ OPTIONS
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below). If `--stdin` is also given, input paths are separated
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with a NUL character instead of a linefeed character.
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-n, --non-matching::
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Show given paths which don't match any pattern. This only
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makes sense when `--verbose` is enabled, otherwise it would
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not be possible to distinguish between paths which match a
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pattern and those which don't.
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OUTPUT
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------
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@ -65,6 +71,15 @@ are also used instead of colons and hard tabs:
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<source> <NULL> <linenum> <NULL> <pattern> <NULL> <pathname> <NULL>
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If `-n` or `--non-matching` are specified, non-matching pathnames will
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also be output, in which case all fields in each output record except
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for <pathname> will be empty. This can be useful when running
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non-interactively, so that files can be incrementally streamed to
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STDIN of a long-running check-ignore process, and for each of these
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files, STDOUT will indicate whether that file matched a pattern or
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not. (Without this option, it would be impossible to tell whether the
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absence of output for a given file meant that it didn't match any
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pattern, or that the output hadn't been generated yet.)
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EXIT STATUS
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-----------
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@ -5,7 +5,7 @@
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#include "pathspec.h"
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#include "parse-options.h"
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static int quiet, verbose, stdin_paths;
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static int quiet, verbose, stdin_paths, show_non_matching;
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static const char * const check_ignore_usage[] = {
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"git check-ignore [options] pathname...",
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"git check-ignore [options] --stdin < <list-of-paths>",
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@ -22,21 +22,28 @@ static const struct option check_ignore_options[] = {
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N_("read file names from stdin")),
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OPT_BOOLEAN('z', NULL, &null_term_line,
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N_("input paths are terminated by a null character")),
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OPT_BOOLEAN('n', "non-matching", &show_non_matching,
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N_("show non-matching input paths")),
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OPT_END()
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};
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static void output_exclude(const char *path, struct exclude *exclude)
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{
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char *bang = exclude->flags & EXC_FLAG_NEGATIVE ? "!" : "";
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char *slash = exclude->flags & EXC_FLAG_MUSTBEDIR ? "/" : "";
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char *bang = (exclude && exclude->flags & EXC_FLAG_NEGATIVE) ? "!" : "";
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char *slash = (exclude && exclude->flags & EXC_FLAG_MUSTBEDIR) ? "/" : "";
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if (!null_term_line) {
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if (!verbose) {
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write_name_quoted(path, stdout, '\n');
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} else {
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quote_c_style(exclude->el->src, NULL, stdout, 0);
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printf(":%d:%s%s%s\t",
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exclude->srcpos,
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bang, exclude->pattern, slash);
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if (exclude) {
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quote_c_style(exclude->el->src, NULL, stdout, 0);
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printf(":%d:%s%s%s\t",
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exclude->srcpos,
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bang, exclude->pattern, slash);
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}
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else {
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printf("::\t");
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}
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quote_c_style(path, NULL, stdout, 0);
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fputc('\n', stdout);
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}
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@ -44,11 +51,14 @@ static void output_exclude(const char *path, struct exclude *exclude)
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if (!verbose) {
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printf("%s%c", path, '\0');
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} else {
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printf("%s%c%d%c%s%s%s%c%s%c",
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exclude->el->src, '\0',
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exclude->srcpos, '\0',
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bang, exclude->pattern, slash, '\0',
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path, '\0');
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if (exclude)
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printf("%s%c%d%c%s%s%s%c%s%c",
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exclude->el->src, '\0',
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exclude->srcpos, '\0',
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bang, exclude->pattern, slash, '\0',
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path, '\0');
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else
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printf("%c%c%c%s%c", '\0', '\0', '\0', path, '\0');
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}
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}
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}
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@ -89,15 +99,15 @@ static int check_ignore(const char *prefix, const char **pathspec)
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? strlen(prefix) : 0, path);
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full_path = check_path_for_gitlink(full_path);
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die_if_path_beyond_symlink(full_path, prefix);
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exclude = NULL;
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if (!seen[i]) {
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exclude = last_exclude_matching_path(&check, full_path,
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-1, &dtype);
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if (exclude) {
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if (!quiet)
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output_exclude(path, exclude);
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num_ignored++;
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}
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}
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if (!quiet && (exclude || show_non_matching))
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output_exclude(path, exclude);
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if (exclude)
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num_ignored++;
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}
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free(seen);
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clear_directory(&dir);
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@ -161,6 +171,8 @@ int cmd_check_ignore(int argc, const char **argv, const char *prefix)
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if (verbose)
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die(_("cannot have both --quiet and --verbose"));
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}
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if (show_non_matching && !verbose)
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die(_("--non-matching is only valid with --verbose"));
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if (stdin_paths) {
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num_ignored = check_ignore_stdin_paths(prefix);
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@ -66,16 +66,23 @@ test_check_ignore () {
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init_vars &&
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rm -f "$HOME/stdout" "$HOME/stderr" "$HOME/cmd" &&
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echo git $global_args check-ignore $quiet_opt $verbose_opt $args \
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echo git $global_args check-ignore $quiet_opt $verbose_opt $non_matching_opt $args \
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>"$HOME/cmd" &&
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echo "$expect_code" >"$HOME/expected-exit-code" &&
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test_expect_code "$expect_code" \
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git $global_args check-ignore $quiet_opt $verbose_opt $args \
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git $global_args check-ignore $quiet_opt $verbose_opt $non_matching_opt $args \
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>"$HOME/stdout" 2>"$HOME/stderr" &&
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test_cmp "$HOME/expected-stdout" "$HOME/stdout" &&
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stderr_empty_on_success "$expect_code"
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}
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# Runs the same code with 3 different levels of output verbosity,
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# Runs the same code with 4 different levels of output verbosity:
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#
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# 1. with -q / --quiet
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# 2. with default verbosity
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# 3. with -v / --verbose
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# 4. with -v / --verbose, *and* -n / --non-matching
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#
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# expecting success each time. Takes advantage of the fact that
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# check-ignore --verbose output is the same as normal output except
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# for the extra first column.
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@ -83,7 +90,9 @@ test_check_ignore () {
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# Arguments:
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# - (optional) prereqs for this test, e.g. 'SYMLINKS'
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# - test name
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# - output to expect from -v / --verbose mode
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# - output to expect from the fourth verbosity mode (the output
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# from the other verbosity modes is automatically inferred
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# from this value)
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# - code to run (should invoke test_check_ignore)
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test_expect_success_multi () {
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prereq=
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@ -92,8 +101,9 @@ test_expect_success_multi () {
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prereq=$1
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shift
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fi
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testname="$1" expect_verbose="$2" code="$3"
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testname="$1" expect_all="$2" code="$3"
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expect_verbose=$( echo "$expect_all" | grep -v '^:: ' )
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expect=$( echo "$expect_verbose" | sed -e 's/.* //' )
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test_expect_success $prereq "$testname" '
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@ -101,23 +111,40 @@ test_expect_success_multi () {
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eval "$code"
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'
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for quiet_opt in '-q' '--quiet'
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do
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test_expect_success $prereq "$testname${quiet_opt:+ with $quiet_opt}" "
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# --quiet is only valid when a single pattern is passed
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if test $( echo "$expect_all" | wc -l ) = 1
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then
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for quiet_opt in '-q' '--quiet'
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do
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test_expect_success $prereq "$testname${quiet_opt:+ with $quiet_opt}" "
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expect '' &&
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$code
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"
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done
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quiet_opt=
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done
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quiet_opt=
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fi
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for verbose_opt in '-v' '--verbose'
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do
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test_expect_success $prereq "$testname${verbose_opt:+ with $verbose_opt}" "
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expect '$expect_verbose' &&
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$code
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"
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for non_matching_opt in '' ' -n' ' --non-matching'
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do
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if test -n "$non_matching_opt"
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then
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my_expect="$expect_all"
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else
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my_expect="$expect_verbose"
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fi
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test_code="
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expect '$my_expect' &&
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$code
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"
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opts="$verbose_opt$non_matching_opt"
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test_expect_success $prereq "$testname${opts:+ with $opts}" "$test_code"
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done
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done
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verbose_opt=
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non_matching_opt=
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}
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test_expect_success 'setup' '
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@ -178,7 +205,7 @@ test_expect_success 'setup' '
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#
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# test invalid inputs
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test_expect_success_multi '. corner-case' '' '
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test_expect_success_multi '. corner-case' ':: .' '
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test_check_ignore . 1
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'
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@ -276,27 +303,39 @@ do
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where="in subdir $subdir"
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fi
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test_expect_success_multi "non-existent file $where not ignored" '' "
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test_check_ignore '${subdir}non-existent' 1
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"
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test_expect_success_multi "non-existent file $where not ignored" \
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":: ${subdir}non-existent" \
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"test_check_ignore '${subdir}non-existent' 1"
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test_expect_success_multi "non-existent file $where ignored" \
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".gitignore:1:one ${subdir}one" "
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test_check_ignore '${subdir}one'
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"
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".gitignore:1:one ${subdir}one" \
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"test_check_ignore '${subdir}one'"
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test_expect_success_multi "existing untracked file $where not ignored" '' "
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test_check_ignore '${subdir}not-ignored' 1
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"
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test_expect_success_multi "existing untracked file $where not ignored" \
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":: ${subdir}not-ignored" \
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"test_check_ignore '${subdir}not-ignored' 1"
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test_expect_success_multi "existing tracked file $where not ignored" '' "
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test_check_ignore '${subdir}ignored-but-in-index' 1
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"
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test_expect_success_multi "existing tracked file $where not ignored" \
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":: ${subdir}ignored-but-in-index" \
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"test_check_ignore '${subdir}ignored-but-in-index' 1"
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test_expect_success_multi "existing untracked file $where ignored" \
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".gitignore:2:ignored-* ${subdir}ignored-and-untracked" "
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test_check_ignore '${subdir}ignored-and-untracked'
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"
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".gitignore:2:ignored-* ${subdir}ignored-and-untracked" \
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"test_check_ignore '${subdir}ignored-and-untracked'"
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test_expect_success_multi "mix of file types $where" \
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":: ${subdir}non-existent
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.gitignore:1:one ${subdir}one
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:: ${subdir}not-ignored
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:: ${subdir}ignored-but-in-index
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.gitignore:2:ignored-* ${subdir}ignored-and-untracked" \
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"test_check_ignore '
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${subdir}non-existent
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${subdir}one
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${subdir}not-ignored
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${subdir}ignored-but-in-index
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${subdir}ignored-and-untracked'
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"
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done
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# Having established the above, from now on we mostly test against
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@ -391,7 +430,7 @@ test_expect_success 'cd to ignored sub-directory with -v' '
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#
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# test handling of symlinks
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test_expect_success_multi SYMLINKS 'symlink' '' '
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test_expect_success_multi SYMLINKS 'symlink' ':: a/symlink' '
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test_check_ignore "a/symlink" 1
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'
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@ -574,22 +613,33 @@ cat <<-\EOF >stdin
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globaltwo
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b/globaltwo
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../b/globaltwo
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c/not-ignored
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EOF
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cat <<-EOF >expected-verbose
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# N.B. we deliberately end STDIN with a non-matching pattern in order
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# to test that the exit code indicates that one or more of the
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# provided paths is ignored - in other words, that it represents an
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# aggregation of all the results, not just the final result.
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cat <<-EOF >expected-all
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.gitignore:1:one ../one
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:: ../not-ignored
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.gitignore:1:one one
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:: not-ignored
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a/b/.gitignore:8:!on* b/on
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a/b/.gitignore:8:!on* b/one
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a/b/.gitignore:8:!on* b/one one
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a/b/.gitignore:8:!on* b/one two
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a/b/.gitignore:8:!on* "b/one\"three"
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a/b/.gitignore:9:!two b/two
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:: b/not-ignored
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a/.gitignore:1:two* b/twooo
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$global_excludes:2:!globaltwo ../globaltwo
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$global_excludes:2:!globaltwo globaltwo
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$global_excludes:2:!globaltwo b/globaltwo
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$global_excludes:2:!globaltwo ../b/globaltwo
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:: c/not-ignored
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EOF
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grep -v '^:: ' expected-all >expected-verbose
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sed -e 's/.* //' expected-verbose >expected-default
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sed -e 's/^"//' -e 's/\\//' -e 's/"$//' stdin | \
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@ -615,6 +665,14 @@ test_expect_success '--stdin from subdirectory with -v' '
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)
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'
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test_expect_success '--stdin from subdirectory with -v -n' '
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expect_from_stdin <expected-all &&
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(
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cd a &&
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test_check_ignore "--stdin -v -n" <../stdin
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)
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'
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for opts in '--stdin -z' '-z --stdin'
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do
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test_expect_success "$opts from subdirectory" '
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