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41038c5e15
This step is preparation to introducing --stdin-paths option. I have also added maybe_flush_or_die() at the end of main() to ensure that we exit with the zero code only when we flushed the output successfully. Signed-off-by: Dmitry Potapov <dpotapov@gmail.com> Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
71 lines
1.5 KiB
C
71 lines
1.5 KiB
C
#include "builtin.h"
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#include "cache.h"
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#include "attr.h"
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#include "quote.h"
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static const char check_attr_usage[] =
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"git check-attr attr... [--] pathname...";
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static void check_attr(int cnt, struct git_attr_check *check,
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const char** name, const char *file)
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{
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int j;
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if (git_checkattr(file, cnt, check))
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die("git_checkattr died");
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for (j = 0; j < cnt; j++) {
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const char *value = check[j].value;
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if (ATTR_TRUE(value))
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value = "set";
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else if (ATTR_FALSE(value))
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value = "unset";
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else if (ATTR_UNSET(value))
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value = "unspecified";
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quote_c_style(file, NULL, stdout, 0);
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printf(": %s: %s\n", name[j], value);
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}
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}
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int cmd_check_attr(int argc, const char **argv, const char *prefix)
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{
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struct git_attr_check *check;
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int cnt, i, doubledash;
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if (read_cache() < 0) {
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die("invalid cache");
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}
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doubledash = -1;
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for (i = 1; doubledash < 0 && i < argc; i++) {
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if (!strcmp(argv[i], "--"))
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doubledash = i;
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}
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/* If there is no double dash, we handle only one attribute */
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if (doubledash < 0) {
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cnt = 1;
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doubledash = 1;
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} else
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cnt = doubledash - 1;
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doubledash++;
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if (cnt <= 0 || argc < doubledash)
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usage(check_attr_usage);
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check = xcalloc(cnt, sizeof(*check));
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for (i = 0; i < cnt; i++) {
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const char *name;
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struct git_attr *a;
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name = argv[i + 1];
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a = git_attr(name, strlen(name));
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if (!a)
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return error("%s: not a valid attribute name", name);
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check[i].attr = a;
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}
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for (i = doubledash; i < argc; i++)
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check_attr(cnt, check, argv+1, argv[i]);
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maybe_flush_or_die(stdout, "attribute to stdout");
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return 0;
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}
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