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authorJunio C Hamano <junkio@cox.net>2006-05-02 00:40:24 -0700
committerJunio C Hamano <junkio@cox.net>2006-05-02 20:09:56 -0700
commit9f0bb90d161edf8c43f5261d12bf83f14eb02ff4 (patch)
tree5c97ff538c0b92d94520336bad695b1b62821a2a
parent3d990f110c2e5b8df83f6ab3ef83497f43c7fd47 (diff)
downloadgit-9f0bb90d161edf8c43f5261d12bf83f14eb02ff4.tar.gz
git-9f0bb90d161edf8c43f5261d12bf83f14eb02ff4.tar.xz
core.prefersymlinkrefs: use symlinks for .git/HEAD
When inspecting a project whose build infrastructure used to assume that .git/HEAD is a symlink ref, core.prefersymlinkrefs in the config file of such a project would help to bisect its history. Signed-off-by: Junio C Hamano <junkio@cox.net>
-rw-r--r--Documentation/config.txt8
-rw-r--r--Makefile8
-rw-r--r--cache.h2
-rw-r--r--config.c4
-rw-r--r--environment.c2
-rw-r--r--refs.c4
6 files changed, 17 insertions, 11 deletions
diff --git a/Documentation/config.txt b/Documentation/config.txt
index b27b0d5c0..d1a4bec0d 100644
--- a/Documentation/config.txt
+++ b/Documentation/config.txt
@@ -64,9 +64,11 @@ core.ignoreStat::
slow, such as Microsoft Windows. See gitlink:git-update-index[1].
False by default.
-core.onlyUseSymrefs::
- Always use the "symref" format instead of symbolic links for HEAD
- and other symbolic reference files. True by default.
+core.preferSymlinkRefs::
+ Instead of the default "symref" format for HEAD
+ and other symbolic reference files, use symbolic links.
+ This is sometimes needed to work with old scripts that
+ expect HEAD to be a symbolic link.
core.repositoryFormatVersion::
Internal variable identifying the repository format and layout
diff --git a/Makefile b/Makefile
index 8ce27a65f..cb6bb7239 100644
--- a/Makefile
+++ b/Makefile
@@ -28,8 +28,8 @@ all:
#
# Define NO_SETENV if you don't have setenv in the C library.
#
-# Define USE_SYMLINK_HEAD if you want .git/HEAD to be a symbolic link.
-# Don't enable it on Windows.
+# Define NO_SYMLINK_HEAD if you never want .git/HEAD to be a symbolic link.
+# Enable it on Windows. By default, symrefs are still used.
#
# Define PPC_SHA1 environment variable when running make to make use of
# a bundled SHA1 routine optimized for PowerPC.
@@ -263,6 +263,7 @@ ifeq ($(uname_O),Cygwin)
NO_D_TYPE_IN_DIRENT = YesPlease
NO_D_INO_IN_DIRENT = YesPlease
NO_STRCASESTR = YesPlease
+ NO_SYMLINK_HEAD = YesPlease
NEEDS_LIBICONV = YesPlease
# There are conflicting reports about this.
# On some boxes NO_MMAP is needed, and not so elsewhere.
@@ -386,6 +387,9 @@ endif
ifdef NO_D_INO_IN_DIRENT
ALL_CFLAGS += -DNO_D_INO_IN_DIRENT
endif
+ifdef NO_SYMLINK_HEAD
+ ALL_CFLAGS += -DNO_SYMLINK_HEAD
+endif
ifdef NO_STRCASESTR
COMPAT_CFLAGS += -DNO_STRCASESTR
COMPAT_OBJS += compat/strcasestr.o
diff --git a/cache.h b/cache.h
index a4f253ec2..9d0ddcff0 100644
--- a/cache.h
+++ b/cache.h
@@ -169,7 +169,7 @@ extern void rollback_index_file(struct cache_file *);
/* Environment bits from configuration mechanism */
extern int trust_executable_bit;
extern int assume_unchanged;
-extern int only_use_symrefs;
+extern int prefer_symlink_refs;
extern int warn_ambiguous_refs;
extern int diff_rename_limit_default;
extern int shared_repository;
diff --git a/config.c b/config.c
index 253c48a61..47734140d 100644
--- a/config.c
+++ b/config.c
@@ -227,8 +227,8 @@ int git_default_config(const char *var, const char *value)
return 0;
}
- if (!strcmp(var, "core.symrefsonly")) {
- only_use_symrefs = git_config_bool(var, value);
+ if (!strcmp(var, "core.prefersymlinkrefs")) {
+ prefer_symlink_refs = git_config_bool(var, value);
return 0;
}
diff --git a/environment.c b/environment.c
index 6df647862..444c99ed6 100644
--- a/environment.c
+++ b/environment.c
@@ -13,7 +13,7 @@ char git_default_email[MAX_GITNAME];
char git_default_name[MAX_GITNAME];
int trust_executable_bit = 1;
int assume_unchanged = 0;
-int only_use_symrefs = 0;
+int prefer_symlink_refs = 0;
int warn_ambiguous_refs = 1;
int repository_format_version = 0;
char git_commit_encoding[MAX_ENCODING_LENGTH] = "utf-8";
diff --git a/refs.c b/refs.c
index 03398ccc5..275b914b2 100644
--- a/refs.c
+++ b/refs.c
@@ -76,8 +76,8 @@ int create_symref(const char *git_HEAD, const char *refs_heads_master)
char ref[1000];
int fd, len, written;
-#ifdef USE_SYMLINK_HEAD
- if (!only_use_symrefs) {
+#ifndef NO_SYMLINK_HEAD
+ if (prefer_symlink_refs) {
unlink(git_HEAD);
if (!symlink(refs_heads_master, git_HEAD))
return 0;