diff options
| -rw-r--r-- | Documentation/git-check-attr.txt | 8 | ||||
| -rw-r--r-- | builtin-check-attr.c | 75 | ||||
| -rwxr-xr-x | t/t0003-attributes.sh | 17 |
3 files changed, 89 insertions, 11 deletions
diff --git a/Documentation/git-check-attr.txt b/Documentation/git-check-attr.txt index 2b821f2..14e4374 100644 --- a/Documentation/git-check-attr.txt +++ b/Documentation/git-check-attr.txt @@ -9,6 +9,7 @@ git-check-attr - Display gitattributes information. SYNOPSIS -------- 'git check-attr' attr... [--] pathname... +'git check-attr' --stdin [-z] attr... < <list-of-paths DESCRIPTION ----------- @@ -17,6 +18,13 @@ For every pathname, this command will list if each attr is 'unspecified', OPTIONS ------- +--stdin:: + Read file names from stdin instead of from the command-line. + +-z:: + Only meaningful with `--stdin`; paths are separated with + NUL character instead of LF. + \--:: Interpret all preceding arguments as attributes, and all following arguments as path names. If not supplied, only the first argument will diff --git a/builtin-check-attr.c b/builtin-check-attr.c index 786256e..4921341 100644 --- a/builtin-check-attr.c +++ b/builtin-check-attr.c @@ -2,9 +2,23 @@ #include "cache.h" #include "attr.h" #include "quote.h" +#include "parse-options.h" -static const char check_attr_usage[] = -"git check-attr attr... [--] pathname..."; +static int stdin_paths; +static const char * const check_attr_usage[] = { +"git check-attr attr... [--] pathname...", +"git check-attr --stdin attr... < <list-of-paths>", +NULL +}; + +static int null_term_line; + +static const struct option check_attr_options[] = { + OPT_BOOLEAN(0 , "stdin", &stdin_paths, "read file names from stdin"), + OPT_BOOLEAN('z', NULL, &null_term_line, + "input paths are terminated by a null character"), + OPT_END() +}; static void check_attr(int cnt, struct git_attr_check *check, const char** name, const char *file) @@ -27,17 +41,45 @@ static void check_attr(int cnt, struct git_attr_check *check, } } +static void check_attr_stdin_paths(int cnt, struct git_attr_check *check, + const char** name) +{ + struct strbuf buf, nbuf; + int line_termination = null_term_line ? 0 : '\n'; + + strbuf_init(&buf, 0); + strbuf_init(&nbuf, 0); + while (strbuf_getline(&buf, stdin, line_termination) != EOF) { + if (line_termination && buf.buf[0] == '"') { + strbuf_reset(&nbuf); + if (unquote_c_style(&nbuf, buf.buf, NULL)) + die("line is badly quoted"); + strbuf_swap(&buf, &nbuf); + } + check_attr(cnt, check, name, buf.buf); + maybe_flush_or_die(stdout, "attribute to stdout"); + } + strbuf_release(&buf); + strbuf_release(&nbuf); +} + int cmd_check_attr(int argc, const char **argv, const char *prefix) { struct git_attr_check *check; int cnt, i, doubledash; + const char *errstr = NULL; + + argc = parse_options(argc, argv, check_attr_options, check_attr_usage, + PARSE_OPT_KEEP_DASHDASH); + if (!argc) + usage_with_options(check_attr_usage, check_attr_options); if (read_cache() < 0) { die("invalid cache"); } doubledash = -1; - for (i = 1; doubledash < 0 && i < argc; i++) { + for (i = 0; doubledash < 0 && i < argc; i++) { if (!strcmp(argv[i], "--")) doubledash = i; } @@ -45,26 +87,37 @@ int cmd_check_attr(int argc, const char **argv, const char *prefix) /* If there is no double dash, we handle only one attribute */ if (doubledash < 0) { cnt = 1; - doubledash = 1; + doubledash = 0; } else - cnt = doubledash - 1; + cnt = doubledash; doubledash++; - if (cnt <= 0 || argc < doubledash) - usage(check_attr_usage); + if (cnt <= 0) + errstr = "No attribute specified"; + else if (stdin_paths && doubledash < argc) + errstr = "Can't specify files with --stdin"; + if (errstr) { + error (errstr); + usage_with_options(check_attr_usage, check_attr_options); + } + check = xcalloc(cnt, sizeof(*check)); for (i = 0; i < cnt; i++) { const char *name; struct git_attr *a; - name = argv[i + 1]; + name = argv[i]; a = git_attr(name, strlen(name)); if (!a) return error("%s: not a valid attribute name", name); check[i].attr = a; } - for (i = doubledash; i < argc; i++) - check_attr(cnt, check, argv+1, argv[i]); - maybe_flush_or_die(stdout, "attribute to stdout"); + if (stdin_paths) + check_attr_stdin_paths(cnt, check, argv); + else { + for (i = doubledash; i < argc; i++) + check_attr(cnt, check, argv, argv[i]); + maybe_flush_or_die(stdout, "attribute to stdout"); + } return 0; } diff --git a/t/t0003-attributes.sh b/t/t0003-attributes.sh index 3d8e06a..1c77192 100755 --- a/t/t0003-attributes.sh +++ b/t/t0003-attributes.sh @@ -47,6 +47,23 @@ test_expect_success 'attribute test' ' ' +test_expect_success 'attribute test: read paths from stdin' ' + + cat <<EOF > expect +f: test: f +a/f: test: f +a/c/f: test: f +a/g: test: a/g +a/b/g: test: a/b/g +b/g: test: unspecified +a/b/h: test: a/b/h +a/b/d/g: test: a/b/d/* +EOF + + sed -e "s/:.*//" < expect | git check-attr --stdin test > actual && + test_cmp expect actual +' + test_expect_success 'root subdir attribute test' ' attr_check a/i a/i && |