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grep: prepare to run outside of a work tree 

This moves the call to setup_git_directory() for running "grep" from
the "git" wrapper to the implementation of the "grep" subcommand.  A
new variable "use_index" is always true at this stage in the series,
and when it is on, we require that we are in a directory that is under
git control.  To make sure we die the same way, we make a second call
into setup_git_directory() when we detect this situation.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
maint
Junio C Hamano 2010-01-15 12:50:54 -08:00
parent 885d211e71
commit 7e622650d7
2 changed files with 8 additions and 1 deletions
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7
builtin-grep.c
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@ -414,6 +414,7 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
const char **paths = NULL;
int i;
int dummy;
int nongit = 0, use_index = 1;
struct option options[] = {
OPT_BOOLEAN(0, "cached", &cached,
"search in index instead of in the work tree"),
@ -497,6 +498,8 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
OPT_END()
};

prefix = setup_git_directory_gently(&nongit);

/*
* 'git grep -h', unlike 'git grep -h <pattern>', is a request
* to show usage information and exit.
@ -534,6 +537,10 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
PARSE_OPT_STOP_AT_NON_OPTION |
PARSE_OPT_NO_INTERNAL_HELP);

if (use_index && nongit)
/* die the same way as if we did it at the beginning */
setup_git_directory();

/* First unrecognized non-option token */
if (argc > 0 && !opt.pattern_list) {
append_grep_pattern(&opt, argv[0], "command line", 0,

2
git.c
View File

@ -317,7 +317,7 @@ static void handle_internal_command(int argc, const char **argv)
{ "fsck-objects", cmd_fsck, RUN_SETUP },
{ "gc", cmd_gc, RUN_SETUP },
{ "get-tar-commit-id", cmd_get_tar_commit_id },
{ "grep", cmd_grep, RUN_SETUP | USE_PAGER },
{ "grep", cmd_grep, USE_PAGER },
{ "help", cmd_help },
{ "init", cmd_init_db },
{ "init-db", cmd_init_db },