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Merge branch 'dt/refs-backend-preamble'

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In preparation for allowing different "backends" to store the refs
in a way different from the traditional "one ref per file in $GIT_DIR
or in a $GIT_DIR/packed-refs file" filesystem storage, reduce
direct filesystem access to ref-like things like CHERRY_PICK_HEAD
from scripts and programs.

* dt/refs-backend-preamble:
  git-stash: use update-ref --create-reflog instead of creating files
  update-ref and tag: add --create-reflog arg
  refs: add REF_FORCE_CREATE_REFLOG flag
  git-reflog: add exists command
  refs: new public ref function: safe_create_reflog
  refs: break out check for reflog autocreation
  refs.c: add err arguments to reflog functions
This commit is contained in:
Junio C Hamano
2015-08-03 11:01:29 -07:00
parent 8348bf1b69 89dea97334
commit b6d323f164
13 changed files with 238 additions and 85 deletions
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14
builtin/update-ref.c
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@ -14,6 +14,7 @@ static const char * const git_update_ref_usage[] = {
static char line_termination = '\n';
static int update_flags;
static unsigned create_reflog_flag;
static const char *msg;
/*
@ -200,7 +201,8 @@ static const char *parse_cmd_update(struct ref_transaction *transaction,
if (ref_transaction_update(transaction, refname,
new_sha1, have_old ? old_sha1 : NULL,
update_flags, msg, &err))
update_flags | create_reflog_flag,
msg, &err))
die("%s", err.buf);
update_flags = 0;
@ -231,7 +233,8 @@ static const char *parse_cmd_create(struct ref_transaction *transaction,
die("create %s: extra input: %s", refname, next);
if (ref_transaction_create(transaction, refname, new_sha1,
update_flags, msg, &err))
update_flags | create_reflog_flag,
msg, &err))
die("%s", err.buf);
update_flags = 0;
@ -354,6 +357,7 @@ int cmd_update_ref(int argc, const char **argv, const char *prefix)
unsigned char sha1[20], oldsha1[20];
int delete = 0, no_deref = 0, read_stdin = 0, end_null = 0;
unsigned int flags = 0;
int create_reflog = 0;
struct option options[] = {
OPT_STRING( 'm', NULL, &msg, N_("reason"), N_("reason of the update")),
OPT_BOOL('d', NULL, &delete, N_("delete the reference")),
@ -361,6 +365,7 @@ int cmd_update_ref(int argc, const char **argv, const char *prefix)
N_("update <refname> not the one it points to")),
OPT_BOOL('z', NULL, &end_null, N_("stdin has NUL-terminated arguments")),
OPT_BOOL( 0 , "stdin", &read_stdin, N_("read updates from stdin")),
OPT_BOOL( 0 , "create-reflog", &create_reflog, N_("create_reflog")),
OPT_END(),
};
@ -370,6 +375,8 @@ int cmd_update_ref(int argc, const char **argv, const char *prefix)
if (msg && !*msg)
die("Refusing to perform update with empty message.");
create_reflog_flag = create_reflog ? REF_FORCE_CREATE_REFLOG : 0;
if (read_stdin) {
struct strbuf err = STRBUF_INIT;
struct ref_transaction *transaction;
@ -431,5 +438,6 @@ int cmd_update_ref(int argc, const char **argv, const char *prefix)
flags);
else
return update_ref(msg, refname, sha1, oldval ? oldsha1 : NULL,
flags, UPDATE_REFS_DIE_ON_ERR);
flags | create_reflog_flag,
UPDATE_REFS_DIE_ON_ERR);
}