[PATCH v4 3/6] grep: add submodules as a grep source type
- From
- Brandon Williams <bmwill@google.com>
- Date
- Nov 18, 2016, 19:58 UTC
- Message-ID
- <1479499135-64269-4-git-send-email-bmwill@google.com>
- In-Reply-To
- <1479499135-64269-1-git-send-email-bmwill@google.com>
Add `GREP_SOURCE_SUBMODULE` as a grep_source type and cases for this new type in the various switch statements in grep.c.
When initializing a grep_source with type `GREP_SOURCE_SUBMODULE` the identifier can either be NULL (to indicate that the working tree will be used) or a SHA1 (the REV of the submodule to be grep'd). If the identifier is a SHA1 then we want to fall through to the `GREP_SOURCE_SHA1` case to handle the copying of the SHA1.
Signed-off-by: Brandon Williams <bmwill@google.com> --- grep.c | 16 +++++++++++++++- grep.h | 1 + 2 files changed, 16 insertions(+), 1 deletion(-)
diff --git a/grep.c b/grep.c index 1194d35..0dbdc1d 100644 --- a/grep.c +++ b/grep.c @@ -1735,12 +1735,23 @@ void grep_source_init(struct grep_source *gs, enum grep_source_type type, case GREP_SOURCE_FILE: gs->identifier = xstrdup(identifier); break; + case GREP_SOURCE_SUBMODULE: + if (!identifier) { + gs->identifier = NULL; + break; + } + /* + * FALL THROUGH + * If the identifier is non-NULL (in the submodule case) it + * will be a SHA1 that needs to be copied. + */ case GREP_SOURCE_SHA1: gs->identifier = xmalloc(20); hashcpy(gs->identifier, identifier); break; case GREP_SOURCE_BUF: gs->identifier = NULL; + break; } } @@ -1760,6 +1771,7 @@ void grep_source_clear_data(struct grep_source *gs) switch (gs->type) { case GREP_SOURCE_FILE: case GREP_SOURCE_SHA1: + case GREP_SOURCE_SUBMODULE: free(gs->buf); gs->buf = NULL; gs->size = 0; @@ -1831,8 +1843,10 @@ static int grep_source_load(struct grep_source *gs) return grep_source_load_sha1(gs); case GREP_SOURCE_BUF: return gs->buf ? 0 : -1; + case GREP_SOURCE_SUBMODULE: + break; } - die("BUG: invalid grep_source type"); + die("BUG: invalid grep_source type to load"); } void grep_source_load_driver(struct grep_source *gs) diff --git a/grep.h b/grep.h index 5856a23..267534c 100644 --- a/grep.h +++ b/grep.h @@ -161,6 +161,7 @@ struct grep_source { GREP_SOURCE_SHA1, GREP_SOURCE_FILE, GREP_SOURCE_BUF, + GREP_SOURCE_SUBMODULE, } type; void *identifier;
-- 2.8.0.rc3.226.g39d4020