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-rw-r--r--cache.h4
-rw-r--r--path.c39
-rw-r--r--refs/files-backend.c8
-rw-r--r--submodule.c6
-rwxr-xr-xt/t4059-diff-submodule-not-initialized.sh127
5 files changed, 173 insertions, 11 deletions
diff --git a/cache.h b/cache.h
index 2ac37ee070..4d62df5cce 100644
--- a/cache.h
+++ b/cache.h
@@ -819,8 +819,8 @@ extern void strbuf_git_common_path(struct strbuf *sb, const char *fmt, ...)
__attribute__((format (printf, 2, 3)));
extern char *git_path_buf(struct strbuf *buf, const char *fmt, ...)
__attribute__((format (printf, 2, 3)));
-extern void strbuf_git_path_submodule(struct strbuf *sb, const char *path,
- const char *fmt, ...)
+extern int strbuf_git_path_submodule(struct strbuf *sb, const char *path,
+ const char *fmt, ...)
__attribute__((format (printf, 3, 4)));
extern char *git_pathdup(const char *fmt, ...)
__attribute__((format (printf, 1, 2)));
diff --git a/path.c b/path.c
index 17551c4834..ba60c9849e 100644
--- a/path.c
+++ b/path.c
@@ -6,6 +6,7 @@
#include "string-list.h"
#include "dir.h"
#include "worktree.h"
+#include "submodule-config.h"
static int get_st_mode_bits(const char *path, int *mode)
{
@@ -466,12 +467,16 @@ const char *worktree_git_path(const struct worktree *wt, const char *fmt, ...)
return pathname->buf;
}
-static void do_submodule_path(struct strbuf *buf, const char *path,
- const char *fmt, va_list args)
+/* Returns 0 on success, negative on failure. */
+#define SUBMODULE_PATH_ERR_NOT_CONFIGURED -1
+static int do_submodule_path(struct strbuf *buf, const char *path,
+ const char *fmt, va_list args)
{
const char *git_dir;
struct strbuf git_submodule_common_dir = STRBUF_INIT;
struct strbuf git_submodule_dir = STRBUF_INIT;
+ const struct submodule *sub;
+ int err = 0;
strbuf_addstr(buf, path);
strbuf_complete(buf, '/');
@@ -482,6 +487,17 @@ static void do_submodule_path(struct strbuf *buf, const char *path,
strbuf_reset(buf);
strbuf_addstr(buf, git_dir);
}
+ if (!is_git_directory(buf->buf)) {
+ gitmodules_config();
+ sub = submodule_from_path(null_sha1, path);
+ if (!sub) {
+ err = SUBMODULE_PATH_ERR_NOT_CONFIGURED;
+ goto cleanup;
+ }
+ strbuf_reset(buf);
+ strbuf_git_path(buf, "%s/%s", "modules", sub->name);
+ }
+
strbuf_addch(buf, '/');
strbuf_addbuf(&git_submodule_dir, buf);
@@ -492,27 +508,38 @@ static void do_submodule_path(struct strbuf *buf, const char *path,
strbuf_cleanup_path(buf);
+cleanup:
strbuf_release(&git_submodule_dir);
strbuf_release(&git_submodule_common_dir);
+
+ return err;
}
char *git_pathdup_submodule(const char *path, const char *fmt, ...)
{
+ int err;
va_list args;
struct strbuf buf = STRBUF_INIT;
va_start(args, fmt);
- do_submodule_path(&buf, path, fmt, args);
+ err = do_submodule_path(&buf, path, fmt, args);
va_end(args);
+ if (err) {
+ strbuf_release(&buf);
+ return NULL;
+ }
return strbuf_detach(&buf, NULL);
}
-void strbuf_git_path_submodule(struct strbuf *buf, const char *path,
- const char *fmt, ...)
+int strbuf_git_path_submodule(struct strbuf *buf, const char *path,
+ const char *fmt, ...)
{
+ int err;
va_list args;
va_start(args, fmt);
- do_submodule_path(buf, path, fmt, args);
+ err = do_submodule_path(buf, path, fmt, args);
va_end(args);
+
+ return err;
}
static void do_git_common_path(struct strbuf *buf,
diff --git a/refs/files-backend.c b/refs/files-backend.c
index 12290d2496..1f34b444af 100644
--- a/refs/files-backend.c
+++ b/refs/files-backend.c
@@ -1225,13 +1225,19 @@ static void read_loose_refs(const char *dirname, struct ref_dir *dir)
struct strbuf refname;
struct strbuf path = STRBUF_INIT;
size_t path_baselen;
+ int err = 0;
if (*refs->name)
- strbuf_git_path_submodule(&path, refs->name, "%s", dirname);
+ err = strbuf_git_path_submodule(&path, refs->name, "%s", dirname);
else
strbuf_git_path(&path, "%s", dirname);
path_baselen = path.len;
+ if (err) {
+ strbuf_release(&path);
+ return;
+ }
+
d = opendir(path.buf);
if (!d) {
strbuf_release(&path);
diff --git a/submodule.c b/submodule.c
index 1b5cdfb7e7..6096cf428b 100644
--- a/submodule.c
+++ b/submodule.c
@@ -127,7 +127,9 @@ static int add_submodule_odb(const char *path)
int ret = 0;
size_t alloc;
- strbuf_git_path_submodule(&objects_directory, path, "objects/");
+ ret = strbuf_git_path_submodule(&objects_directory, path, "objects/");
+ if (ret)
+ goto done;
if (!is_directory(objects_directory.buf)) {
ret = -1;
goto done;
@@ -348,7 +350,7 @@ void show_submodule_summary(FILE *f, const char *path,
if (is_null_sha1(two))
message = "(submodule deleted)";
else if (add_submodule_odb(path))
- message = "(not checked out)";
+ message = "(not initialized)";
else if (is_null_sha1(one))
message = "(new submodule)";
else if (!(left = lookup_commit_reference(one)) ||
diff --git a/t/t4059-diff-submodule-not-initialized.sh b/t/t4059-diff-submodule-not-initialized.sh
new file mode 100755
index 0000000000..cd70fd5192
--- /dev/null
+++ b/t/t4059-diff-submodule-not-initialized.sh
@@ -0,0 +1,127 @@
+#!/bin/sh
+#
+# Copyright (c) 2016 Jacob Keller, based on t4041 by Jens Lehmann
+#
+
+test_description='Test for submodule diff on non-checked out submodule
+
+This test tries to verify that add_submodule_odb works when the submodule was
+initialized previously but the checkout has since been removed.
+'
+
+. ./test-lib.sh
+
+# Tested non-UTF-8 encoding
+test_encoding="ISO8859-1"
+
+# String "added" in German (translated with Google Translate), encoded in UTF-8,
+# used in sample commit log messages in add_file() function below.
+added=$(printf "hinzugef\303\274gt")
+
+add_file () {
+ (
+ cd "$1" &&
+ shift &&
+ for name
+ do
+ echo "$name" >"$name" &&
+ git add "$name" &&
+ test_tick &&
+ # "git commit -m" would break MinGW, as Windows refuse to pass
+ # $test_encoding encoded parameter to git.
+ echo "Add $name ($added $name)" | iconv -f utf-8 -t $test_encoding |
+ git -c "i18n.commitEncoding=$test_encoding" commit -F -
+ done >/dev/null &&
+ git rev-parse --short --verify HEAD
+ )
+}
+
+commit_file () {
+ test_tick &&
+ git commit "$@" -m "Commit $*" >/dev/null
+}
+
+test_expect_success 'setup - submodules' '
+ test_create_repo sm2 &&
+ add_file . foo &&
+ add_file sm2 foo1 foo2 &&
+ smhead1=$(git -C sm2 rev-parse --short --verify HEAD)
+'
+
+test_expect_success 'setup - git submodule add' '
+ git submodule add ./sm2 sm1 &&
+ commit_file sm1 .gitmodules &&
+ git diff-tree -p --no-commit-id --submodule=log HEAD -- sm1 >actual &&
+ cat >expected <<-EOF &&
+ Submodule sm1 0000000...$smhead1 (new submodule)
+ EOF
+ test_cmp expected actual
+'
+
+test_expect_success 'submodule directory removed' '
+ rm -rf sm1 &&
+ git diff-tree -p --no-commit-id --submodule=log HEAD -- sm1 >actual &&
+ cat >expected <<-EOF &&
+ Submodule sm1 0000000...$smhead1 (new submodule)
+ EOF
+ test_cmp expected actual
+'
+
+test_expect_success 'setup - submodule multiple commits' '
+ git submodule update --checkout sm1 &&
+ smhead2=$(add_file sm1 foo3 foo4) &&
+ commit_file sm1 &&
+ git diff-tree -p --no-commit-id --submodule=log HEAD >actual &&
+ cat >expected <<-EOF &&
+ Submodule sm1 $smhead1..$smhead2:
+ > Add foo4 ($added foo4)
+ > Add foo3 ($added foo3)
+ EOF
+ test_cmp expected actual
+'
+
+test_expect_success 'submodule removed multiple commits' '
+ rm -rf sm1 &&
+ git diff-tree -p --no-commit-id --submodule=log HEAD >actual &&
+ cat >expected <<-EOF &&
+ Submodule sm1 $smhead1..$smhead2:
+ > Add foo4 ($added foo4)
+ > Add foo3 ($added foo3)
+ EOF
+ test_cmp expected actual
+'
+
+test_expect_success 'submodule not initialized in new clone' '
+ git clone . sm3 &&
+ git -C sm3 diff-tree -p --no-commit-id --submodule=log HEAD >actual &&
+ cat >expected <<-EOF &&
+ Submodule sm1 $smhead1...$smhead2 (not initialized)
+ EOF
+ test_cmp expected actual
+'
+
+test_expect_success 'setup submodule moved' '
+ git submodule update --checkout sm1 &&
+ git mv sm1 sm4 &&
+ commit_file sm4 &&
+ git diff-tree -p --no-commit-id --submodule=log HEAD >actual &&
+ cat >expected <<-EOF &&
+ Submodule sm4 0000000...$smhead2 (new submodule)
+ EOF
+ test_cmp expected actual
+'
+
+test_expect_success 'submodule moved then removed' '
+ smhead3=$(add_file sm4 foo6 foo7) &&
+ commit_file sm4 &&
+ rm -rf sm4 &&
+ git diff-tree -p --no-commit-id --submodule=log HEAD >actual &&
+ cat >expected <<-EOF &&
+ Submodule sm4 $smhead2..$smhead3:
+ > Add foo7 ($added foo7)
+ > Add foo6 ($added foo6)
+ EOF
+ test_cmp expected actual
+'
+
+test_done