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submodule: check for unstaged .gitmodules outside of config parsing 

Teach 'is_staging_gitmodules_ok()' to be able to determine in the
'.gitmodules' file has unstaged changes based on the passed in index
instead of relying on a global variable which is set during the
submodule-config parsing.

Signed-off-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Brandon Williams 2017-08-02 12:49:20 -07:00 committed by Junio C Hamano
parent 8fa2915971
commit 91b834807b
4 changed files with 20 additions and 18 deletions
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2
builtin/mv.c
View File

@ -81,7 +81,7 @@ static void prepare_move_submodule(const char *src, int first,
struct strbuf submodule_dotgit = STRBUF_INIT;
if (!S_ISGITLINK(active_cache[first]->ce_mode))
die(_("Directory %s is in index and no submodule?"), src);
if (!is_staging_gitmodules_ok())
if (!is_staging_gitmodules_ok(&the_index))
die(_("Please stage your changes to .gitmodules or stash them to proceed"));
strbuf_addf(&submodule_dotgit, "%s/.git", src);
*submodule_gitfile = read_gitfile(submodule_dotgit.buf);

2
builtin/rm.c
View File

@ -286,7 +286,7 @@ int cmd_rm(int argc, const char **argv, const char *prefix)
list.entry[list.nr].name = xstrdup(ce->name);
list.entry[list.nr].is_submodule = S_ISGITLINK(ce->ce_mode);
if (list.entry[list.nr++].is_submodule &&
!is_staging_gitmodules_ok())
!is_staging_gitmodules_ok(&the_index))
die (_("Please stage your changes to .gitmodules or stash them to proceed"));
}

32
submodule.c
View File

@ -37,18 +37,25 @@ static struct oid_array ref_tips_after_fetch;
static int gitmodules_is_unmerged;
/*
* This flag is set if the .gitmodules file had unstaged modifications on
* startup. This must be checked before allowing modifications to the
* .gitmodules file with the intention to stage them later, because when
* continuing we would stage the modifications the user didn't stage herself
* too. That might change in a future version when we learn to stage the
* changes we do ourselves without staging any previous modifications.
* Check if the .gitmodules file has unstaged modifications. This must be
* checked before allowing modifications to the .gitmodules file with the
* intention to stage them later, because when continuing we would stage the
* modifications the user didn't stage herself too. That might change in a
* future version when we learn to stage the changes we do ourselves without
* staging any previous modifications.
*/
static int gitmodules_is_modified;
int is_staging_gitmodules_ok(void)
int is_staging_gitmodules_ok(const struct index_state *istate)
{
return !gitmodules_is_modified;
int pos = index_name_pos(istate, GITMODULES_FILE, strlen(GITMODULES_FILE));
if ((pos >= 0) && (pos < istate->cache_nr)) {
struct stat st;
if (lstat(GITMODULES_FILE, &st) == 0 &&
ce_match_stat(istate->cache[pos], &st, 0) & DATA_CHANGED)
return 0;
}
return 1;
}
/*
@ -231,11 +238,6 @@ void gitmodules_config(void)
!memcmp(ce->name, GITMODULES_FILE, 11))
gitmodules_is_unmerged = 1;
}
} else if (pos < active_nr) {
struct stat st;
if (lstat(GITMODULES_FILE, &st) == 0 &&
ce_match_stat(active_cache[pos], &st, 0) & DATA_CHANGED)
gitmodules_is_modified = 1;
}
if (!gitmodules_is_unmerged)

2
submodule.h
View File

@ -33,7 +33,7 @@ struct submodule_update_strategy {
};
#define SUBMODULE_UPDATE_STRATEGY_INIT {SM_UPDATE_UNSPECIFIED, NULL}
extern int is_staging_gitmodules_ok(void);
extern int is_staging_gitmodules_ok(const struct index_state *istate);
extern int update_path_in_gitmodules(const char *oldpath, const char *newpath);
extern int remove_path_from_gitmodules(const char *path);
extern void stage_updated_gitmodules(void);