diff options
Diffstat (limited to 'builtin-grep.c')
| -rw-r--r-- | builtin-grep.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/builtin-grep.c b/builtin-grep.c index d79a6260a..c7d74fbb7 100644 --- a/builtin-grep.c +++ b/builtin-grep.c @@ -191,8 +191,6 @@ static int grep_file(struct grep_opt *opt, const char *filename) error("'%s': %s", filename, strerror(errno)); return 0; } - if (!st.st_size) - return 0; /* empty file -- no grep hit */ if (!S_ISREG(st.st_mode)) return 0; sz = xsize_t(st.st_size); @@ -207,6 +205,7 @@ static int grep_file(struct grep_opt *opt, const char *filename) return 0; } close(i); + data[sz] = 0; if (opt->relative && opt->prefix_length) filename = quote_path_relative(filename, -1, &buf, opt->prefix); i = grep_buffer(opt, filename, data, sz); @@ -433,7 +432,11 @@ static int external_grep(struct grep_opt *opt, const char **paths, int cached) if (opt->color_external && strlen(opt->color_external) > 0) push_arg(opt->color_external); + } else { + unsetenv("GREP_COLOR"); + unsetenv("GREP_COLORS"); } + unsetenv("GREP_OPTIONS"); hit = 0; argc = nr; @@ -788,6 +791,13 @@ int cmd_grep(int argc, const char **argv, const char *prefix) OPT_END() }; + /* + * 'git grep -h', unlike 'git grep -h <pattern>', is a request + * to show usage information and exit. + */ + if (argc == 2 && !strcmp(argv[1], "-h")) + usage_with_options(grep_usage, options); + memset(&opt, 0, sizeof(opt)); opt.prefix = prefix; opt.prefix_length = (prefix && *prefix) ? strlen(prefix) : 0; |