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-rw-r--r--Documentation/config.txt3
-rw-r--r--Documentation/git-add.txt7
-rw-r--r--advice.c2
-rw-r--r--advice.h1
-rw-r--r--builtin/add.c46
-rwxr-xr-xgit-submodule.sh5
-rwxr-xr-xt/t7414-submodule-mistakes.sh37
7 files changed, 98 insertions, 3 deletions
diff --git a/Documentation/config.txt b/Documentation/config.txt
index dd4beec..e909239 100644
--- a/Documentation/config.txt
+++ b/Documentation/config.txt
@@ -348,6 +348,9 @@ advice.*::
rmHints::
In case of failure in the output of linkgit:git-rm[1],
show directions on how to proceed from the current state.
+ addEmbeddedRepo::
+ Advice on what to do when you've accidentally added one
+ git repo inside of another.
--
core.fileMode::
diff --git a/Documentation/git-add.txt b/Documentation/git-add.txt
index 7ed63dc..f4169fb 100644
--- a/Documentation/git-add.txt
+++ b/Documentation/git-add.txt
@@ -165,6 +165,13 @@ for "git add --no-all <pathspec>...", i.e. ignored removed files.
be ignored, no matter if they are already present in the work
tree or not.
+--no-warn-embedded-repo::
+ By default, `git add` will warn when adding an embedded
+ repository to the index without using `git submodule add` to
+ create an entry in `.gitmodules`. This option will suppress the
+ warning (e.g., if you are manually performing operations on
+ submodules).
+
--chmod=(+|-)x::
Override the executable bit of the added files. The executable
bit is only changed in the index, the files on disk are left
diff --git a/advice.c b/advice.c
index b84ae49..e0611d5 100644
--- a/advice.c
+++ b/advice.c
@@ -15,6 +15,7 @@ int advice_detached_head = 1;
int advice_set_upstream_failure = 1;
int advice_object_name_warning = 1;
int advice_rm_hints = 1;
+int advice_add_embedded_repo = 1;
static struct {
const char *name;
@@ -35,6 +36,7 @@ static struct {
{ "setupstreamfailure", &advice_set_upstream_failure },
{ "objectnamewarning", &advice_object_name_warning },
{ "rmhints", &advice_rm_hints },
+ { "addembeddedrepo", &advice_add_embedded_repo },
/* make this an alias for backward compatibility */
{ "pushnonfastforward", &advice_push_update_rejected }
diff --git a/advice.h b/advice.h
index b341a55..c84a445 100644
--- a/advice.h
+++ b/advice.h
@@ -18,6 +18,7 @@ extern int advice_detached_head;
extern int advice_set_upstream_failure;
extern int advice_object_name_warning;
extern int advice_rm_hints;
+extern int advice_add_embedded_repo;
int git_default_advice_config(const char *var, const char *value);
__attribute__((format (printf, 1, 2)))
diff --git a/builtin/add.c b/builtin/add.c
index d9a2491..d7cab1b 100644
--- a/builtin/add.c
+++ b/builtin/add.c
@@ -249,6 +249,7 @@ N_("The following paths are ignored by one of your .gitignore files:\n");
static int verbose, show_only, ignored_too, refresh_only;
static int ignore_add_errors, intent_to_add, ignore_missing;
+static int warn_on_embedded_repo = 1;
#define ADDREMOVE_DEFAULT 1
static int addremove = ADDREMOVE_DEFAULT;
@@ -282,6 +283,8 @@ static struct option builtin_add_options[] = {
OPT_BOOL( 0 , "ignore-errors", &ignore_add_errors, N_("just skip files which cannot be added because of errors")),
OPT_BOOL( 0 , "ignore-missing", &ignore_missing, N_("check if - even missing - files are ignored in dry run")),
OPT_STRING( 0 , "chmod", &chmod_arg, N_("(+/-)x"), N_("override the executable bit of the listed files")),
+ OPT_HIDDEN_BOOL(0, "warn-embedded-repo", &warn_on_embedded_repo,
+ N_("warn when adding an embedded repository")),
OPT_END(),
};
@@ -295,6 +298,45 @@ static int add_config(const char *var, const char *value, void *cb)
return git_default_config(var, value, cb);
}
+static const char embedded_advice[] = N_(
+"You've added another git repository inside your current repository.\n"
+"Clones of the outer repository will not contain the contents of\n"
+"the embedded repository and will not know how to obtain it.\n"
+"If you meant to add a submodule, use:\n"
+"\n"
+" git submodule add <url> %s\n"
+"\n"
+"If you added this path by mistake, you can remove it from the\n"
+"index with:\n"
+"\n"
+" git rm --cached %s\n"
+"\n"
+"See \"git help submodule\" for more information."
+);
+
+static void check_embedded_repo(const char *path)
+{
+ struct strbuf name = STRBUF_INIT;
+
+ if (!warn_on_embedded_repo)
+ return;
+ if (!ends_with(path, "/"))
+ return;
+
+ /* Drop trailing slash for aesthetics */
+ strbuf_addstr(&name, path);
+ strbuf_strip_suffix(&name, "/");
+
+ warning(_("adding embedded git repository: %s"), name.buf);
+ if (advice_add_embedded_repo) {
+ advise(embedded_advice, name.buf, name.buf);
+ /* there may be multiple entries; advise only once */
+ advice_add_embedded_repo = 0;
+ }
+
+ strbuf_release(&name);
+}
+
static int add_files(struct dir_struct *dir, int flags)
{
int i, exit_status = 0;
@@ -307,12 +349,14 @@ static int add_files(struct dir_struct *dir, int flags)
exit_status = 1;
}
- for (i = 0; i < dir->nr; i++)
+ for (i = 0; i < dir->nr; i++) {
+ check_embedded_repo(dir->entries[i]->name);
if (add_file_to_index(&the_index, dir->entries[i]->name, flags)) {
if (!ignore_add_errors)
die(_("adding files failed"));
exit_status = 1;
}
+ }
return exit_status;
}
diff --git a/git-submodule.sh b/git-submodule.sh
index c0d0e9a..e131760 100755
--- a/git-submodule.sh
+++ b/git-submodule.sh
@@ -213,7 +213,8 @@ cmd_add()
die "$(eval_gettext "'\$sm_path' already exists in the index and is not a submodule")"
fi
- if test -z "$force" && ! git add --dry-run --ignore-missing "$sm_path" > /dev/null 2>&1
+ if test -z "$force" &&
+ ! git add --dry-run --ignore-missing --no-warn-embedded-repo "$sm_path" > /dev/null 2>&1
then
eval_gettextln "The following path is ignored by one of your .gitignore files:
\$sm_path
@@ -267,7 +268,7 @@ or you are unsure what this means choose another name with the '--name' option."
fi
git config submodule."$sm_name".url "$realrepo"
- git add $force "$sm_path" ||
+ git add --no-warn-embedded-repo $force "$sm_path" ||
die "$(eval_gettext "Failed to add submodule '\$sm_path'")"
git config -f .gitmodules submodule."$sm_name".path "$sm_path" &&
diff --git a/t/t7414-submodule-mistakes.sh b/t/t7414-submodule-mistakes.sh
new file mode 100755
index 0000000..f2e7df5
--- /dev/null
+++ b/t/t7414-submodule-mistakes.sh
@@ -0,0 +1,37 @@
+#!/bin/sh
+
+test_description='handling of common mistakes people may make with submodules'
+. ./test-lib.sh
+
+test_expect_success 'create embedded repository' '
+ git init embed &&
+ test_commit -C embed one
+'
+
+test_expect_success 'git-add on embedded repository warns' '
+ test_when_finished "git rm --cached -f embed" &&
+ git add embed 2>stderr &&
+ test_i18ngrep warning stderr
+'
+
+test_expect_success '--no-warn-embedded-repo suppresses warning' '
+ test_when_finished "git rm --cached -f embed" &&
+ git add --no-warn-embedded-repo embed 2>stderr &&
+ test_i18ngrep ! warning stderr
+'
+
+test_expect_success 'no warning when updating entry' '
+ test_when_finished "git rm --cached -f embed" &&
+ git add embed &&
+ git -C embed commit --allow-empty -m two &&
+ git add embed 2>stderr &&
+ test_i18ngrep ! warning stderr
+'
+
+test_expect_success 'submodule add does not warn' '
+ test_when_finished "git rm -rf submodule .gitmodules" &&
+ git submodule add ./embed submodule 2>stderr &&
+ test_i18ngrep ! warning stderr
+'
+
+test_done