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add.c: extract check_path_for_gitlink() from treat_gitlinks() for reuse

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Extract the body of the for loop in treat_gitlinks() into a separate
check_path_for_gitlink() function so that it can be reused elsewhere.
This paves the way for a new check-ignore sub-command.

Also document treat_gitlinks().

Signed-off-by: Adam Spiers <git@adamspiers.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Adam Spiers
2013-01-06 16:58:10 +00:00
committed by Junio C Hamano
parent 4b78d7bccd
commit 9d67b61f73
3 changed files with 38 additions and 18 deletions
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24
builtin/add.c
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@ -121,6 +121,10 @@ static char *prune_directory(struct dir_struct *dir, const char **pathspec, int
return seen;
}
/*
* Checks the index to see whether any path in pathspec refers to
* something inside a submodule. If so, dies with an error message.
*/
static void treat_gitlinks(const char **pathspec)
{
int i;
@ -128,24 +132,8 @@ static void treat_gitlinks(const char **pathspec)
if (!pathspec || !*pathspec)
return;
for (i = 0; i < active_nr; i++) {
struct cache_entry *ce = active_cache[i];
if (S_ISGITLINK(ce->ce_mode)) {
int len = ce_namelen(ce), j;
for (j = 0; pathspec[j]; j++) {
int len2 = strlen(pathspec[j]);
if (len2 <= len || pathspec[j][len] != '/' ||
memcmp(ce->name, pathspec[j], len))
continue;
if (len2 == len + 1)
/* strip trailing slash */
pathspec[j] = xstrndup(ce->name, len);
else
die (_("Path '%s' is in submodule '%.*s'"),
pathspec[j], len, ce->name);
}
}
}
for (i = 0; pathspec[i]; i++)
pathspec[i] = check_path_for_gitlink(pathspec[i]);
}
static void refresh(int verbose, const char **pathspec)