diff options
Diffstat (limited to 'builtin/update-ref.c')
| -rw-r--r-- | builtin/update-ref.c | 87 |
1 files changed, 51 insertions, 36 deletions
diff --git a/builtin/update-ref.c b/builtin/update-ref.c index 3067b11310..3d79a46b03 100644 --- a/builtin/update-ref.c +++ b/builtin/update-ref.c @@ -6,17 +6,15 @@ #include "argv-array.h" static const char * const git_update_ref_usage[] = { - N_("git update-ref [options] -d <refname> [<oldval>]"), - N_("git update-ref [options] <refname> <newval> [<oldval>]"), - N_("git update-ref [options] --stdin [-z]"), + N_("git update-ref [<options>] -d <refname> [<old-val>]"), + N_("git update-ref [<options>] <refname> <new-val> [<old-val>]"), + N_("git update-ref [<options>] --stdin [-z]"), NULL }; -static struct ref_transaction *transaction; - static char line_termination = '\n'; static int update_flags; -static struct strbuf err = STRBUF_INIT; +static const char *msg; /* * Parse one whitespace- or NUL-terminated, possibly C-quoted argument @@ -177,8 +175,10 @@ static int parse_next_sha1(struct strbuf *input, const char **next, * depending on how line_termination is set. */ -static const char *parse_cmd_update(struct strbuf *input, const char *next) +static const char *parse_cmd_update(struct ref_transaction *transaction, + struct strbuf *input, const char *next) { + struct strbuf err = STRBUF_INIT; char *refname; unsigned char new_sha1[20]; unsigned char old_sha1[20]; @@ -198,18 +198,22 @@ static const char *parse_cmd_update(struct strbuf *input, const char *next) if (*next != line_termination) die("update %s: extra input: %s", refname, next); - if (ref_transaction_update(transaction, refname, new_sha1, old_sha1, - update_flags, have_old, &err)) + if (ref_transaction_update(transaction, refname, + new_sha1, have_old ? old_sha1 : NULL, + update_flags, msg, &err)) die("%s", err.buf); update_flags = 0; free(refname); + strbuf_release(&err); return next; } -static const char *parse_cmd_create(struct strbuf *input, const char *next) +static const char *parse_cmd_create(struct ref_transaction *transaction, + struct strbuf *input, const char *next) { + struct strbuf err = STRBUF_INIT; char *refname; unsigned char new_sha1[20]; @@ -226,16 +230,21 @@ static const char *parse_cmd_create(struct strbuf *input, const char *next) if (*next != line_termination) die("create %s: extra input: %s", refname, next); - ref_transaction_create(transaction, refname, new_sha1, update_flags); + if (ref_transaction_create(transaction, refname, new_sha1, + update_flags, msg, &err)) + die("%s", err.buf); update_flags = 0; free(refname); + strbuf_release(&err); return next; } -static const char *parse_cmd_delete(struct strbuf *input, const char *next) +static const char *parse_cmd_delete(struct ref_transaction *transaction, + struct strbuf *input, const char *next) { + struct strbuf err = STRBUF_INIT; char *refname; unsigned char old_sha1[20]; int have_old; @@ -256,44 +265,43 @@ static const char *parse_cmd_delete(struct strbuf *input, const char *next) if (*next != line_termination) die("delete %s: extra input: %s", refname, next); - ref_transaction_delete(transaction, refname, old_sha1, - update_flags, have_old); + if (ref_transaction_delete(transaction, refname, + have_old ? old_sha1 : NULL, + update_flags, msg, &err)) + die("%s", err.buf); update_flags = 0; free(refname); + strbuf_release(&err); return next; } -static const char *parse_cmd_verify(struct strbuf *input, const char *next) +static const char *parse_cmd_verify(struct ref_transaction *transaction, + struct strbuf *input, const char *next) { + struct strbuf err = STRBUF_INIT; char *refname; - unsigned char new_sha1[20]; unsigned char old_sha1[20]; - int have_old; refname = parse_refname(input, &next); if (!refname) die("verify: missing <ref>"); if (parse_next_sha1(input, &next, old_sha1, "verify", refname, - PARSE_SHA1_OLD)) { - hashclr(new_sha1); - have_old = 0; - } else { - hashcpy(new_sha1, old_sha1); - have_old = 1; - } + PARSE_SHA1_OLD)) + hashclr(old_sha1); if (*next != line_termination) die("verify %s: extra input: %s", refname, next); - if (ref_transaction_update(transaction, refname, new_sha1, old_sha1, - update_flags, have_old, &err)) + if (ref_transaction_verify(transaction, refname, old_sha1, + update_flags, &err)) die("%s", err.buf); update_flags = 0; free(refname); + strbuf_release(&err); return next; } @@ -307,7 +315,7 @@ static const char *parse_cmd_option(struct strbuf *input, const char *next) return next + 8; } -static void update_refs_stdin(void) +static void update_refs_stdin(struct ref_transaction *transaction) { struct strbuf input = STRBUF_INIT; const char *next; @@ -322,13 +330,13 @@ static void update_refs_stdin(void) else if (isspace(*next)) die("whitespace before command: %s", next); else if (starts_with(next, "update ")) - next = parse_cmd_update(&input, next + 7); + next = parse_cmd_update(transaction, &input, next + 7); else if (starts_with(next, "create ")) - next = parse_cmd_create(&input, next + 7); + next = parse_cmd_create(transaction, &input, next + 7); else if (starts_with(next, "delete ")) - next = parse_cmd_delete(&input, next + 7); + next = parse_cmd_delete(transaction, &input, next + 7); else if (starts_with(next, "verify ")) - next = parse_cmd_verify(&input, next + 7); + next = parse_cmd_verify(transaction, &input, next + 7); else if (starts_with(next, "option ")) next = parse_cmd_option(&input, next + 7); else @@ -342,9 +350,10 @@ static void update_refs_stdin(void) int cmd_update_ref(int argc, const char **argv, const char *prefix) { - const char *refname, *oldval, *msg = NULL; + const char *refname, *oldval; unsigned char sha1[20], oldsha1[20]; - int delete = 0, no_deref = 0, read_stdin = 0, end_null = 0, flags = 0; + int delete = 0, no_deref = 0, read_stdin = 0, end_null = 0; + unsigned int flags = 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")), @@ -362,15 +371,21 @@ int cmd_update_ref(int argc, const char **argv, const char *prefix) die("Refusing to perform update with empty message."); if (read_stdin) { - transaction = ref_transaction_begin(); + struct strbuf err = STRBUF_INIT; + struct ref_transaction *transaction; + + transaction = ref_transaction_begin(&err); + if (!transaction) + die("%s", err.buf); if (delete || no_deref || argc > 0) usage_with_options(git_update_ref_usage, options); if (end_null) line_termination = '\0'; - update_refs_stdin(); - if (ref_transaction_commit(transaction, msg, &err)) + update_refs_stdin(transaction); + if (ref_transaction_commit(transaction, &err)) die("%s", err.buf); ref_transaction_free(transaction); + strbuf_release(&err); return 0; } |