diff options
| -rw-r--r-- | builtin/rebase.c | 57 | ||||
| -rw-r--r-- | reset.c | 38 | ||||
| -rw-r--r-- | reset.h | 40 | ||||
| -rw-r--r-- | sequencer.c | 5 |
4 files changed, 92 insertions, 48 deletions
diff --git a/builtin/rebase.c b/builtin/rebase.c index fdd822c..ecc368d 100644 --- a/builtin/rebase.c +++ b/builtin/rebase.c @@ -571,6 +571,7 @@ static int finish_rebase(struct rebase_options *opts) static int move_to_original_branch(struct rebase_options *opts) { struct strbuf orig_head_reflog = STRBUF_INIT, head_reflog = STRBUF_INIT; + struct reset_head_opts ropts = { 0 }; int ret; if (!opts->head_name) @@ -583,9 +584,11 @@ static int move_to_original_branch(struct rebase_options *opts) opts->head_name, oid_to_hex(&opts->onto->object.oid)); strbuf_addf(&head_reflog, "rebase finished: returning to %s", opts->head_name); - ret = reset_head(the_repository, NULL, opts->head_name, - RESET_HEAD_REFS_ONLY, - orig_head_reflog.buf, head_reflog.buf, NULL); + ropts.branch = opts->head_name; + ropts.flags = RESET_HEAD_REFS_ONLY; + ropts.orig_head_msg = orig_head_reflog.buf; + ropts.head_msg = head_reflog.buf; + ret = reset_head(the_repository, &ropts); strbuf_release(&orig_head_reflog); strbuf_release(&head_reflog); @@ -669,13 +672,15 @@ static int run_am(struct rebase_options *opts) status = run_command(&format_patch); if (status) { + struct reset_head_opts ropts = { 0 }; unlink(rebased_patches); free(rebased_patches); strvec_clear(&am.args); - reset_head(the_repository, &opts->orig_head, - opts->head_name, 0, - NULL, NULL, DEFAULT_REFLOG_ACTION); + ropts.oid = &opts->orig_head; + ropts.branch = opts->head_name; + ropts.default_reflog_action = DEFAULT_REFLOG_ACTION; + reset_head(the_repository, &ropts); error(_("\ngit encountered an error while preparing the " "patches to replay\n" "these revisions:\n" @@ -814,14 +819,17 @@ static int rebase_config(const char *var, const char *value, void *data) static int checkout_up_to_date(struct rebase_options *options) { struct strbuf buf = STRBUF_INIT; + struct reset_head_opts ropts = { 0 }; int ret = 0; strbuf_addf(&buf, "%s: checkout %s", getenv(GIT_REFLOG_ACTION_ENVIRONMENT), options->switch_to); - if (reset_head(the_repository, &options->orig_head, - options->head_name, RESET_HEAD_RUN_POST_CHECKOUT_HOOK, - NULL, buf.buf, NULL) < 0) + ropts.oid = &options->orig_head; + ropts.branch = options->head_name; + ropts.flags = RESET_HEAD_RUN_POST_CHECKOUT_HOOK; + ropts.head_msg = buf.buf; + if (reset_head(the_repository, &ropts) < 0) ret = error(_("could not switch to %s"), options->switch_to); strbuf_release(&buf); @@ -1033,6 +1041,7 @@ int cmd_rebase(int argc, const char **argv, const char *prefix) int reschedule_failed_exec = -1; int allow_preemptive_ff = 1; int preserve_merges_selected = 0; + struct reset_head_opts ropts = { 0 }; struct option builtin_rebase_options[] = { OPT_STRING(0, "onto", &options.onto_name, N_("revision"), @@ -1270,9 +1279,8 @@ int cmd_rebase(int argc, const char **argv, const char *prefix) rerere_clear(the_repository, &merge_rr); string_list_clear(&merge_rr, 1); - - if (reset_head(the_repository, NULL, NULL, RESET_HEAD_HARD, - NULL, NULL, NULL) < 0) + ropts.flags = RESET_HEAD_HARD; + if (reset_head(the_repository, &ropts) < 0) die(_("could not discard worktree changes")); remove_branch_state(the_repository, 0); if (read_basic_state(&options)) @@ -1289,9 +1297,11 @@ int cmd_rebase(int argc, const char **argv, const char *prefix) if (read_basic_state(&options)) exit(1); - if (reset_head(the_repository, &options.orig_head, - options.head_name, RESET_HEAD_HARD, - NULL, NULL, DEFAULT_REFLOG_ACTION) < 0) + ropts.oid = &options.orig_head; + ropts.branch = options.head_name; + ropts.flags = RESET_HEAD_HARD; + ropts.default_reflog_action = DEFAULT_REFLOG_ACTION; + if (reset_head(the_repository, &ropts) < 0) die(_("could not move back to %s"), oid_to_hex(&options.orig_head)); remove_branch_state(the_repository, 0); @@ -1758,10 +1768,12 @@ int cmd_rebase(int argc, const char **argv, const char *prefix) strbuf_addf(&msg, "%s: checkout %s", getenv(GIT_REFLOG_ACTION_ENVIRONMENT), options.onto_name); - if (reset_head(the_repository, &options.onto->object.oid, NULL, - RESET_HEAD_DETACH | RESET_ORIG_HEAD | - RESET_HEAD_RUN_POST_CHECKOUT_HOOK, - NULL, msg.buf, DEFAULT_REFLOG_ACTION)) + ropts.oid = &options.onto->object.oid; + ropts.flags = RESET_HEAD_DETACH | RESET_ORIG_HEAD | + RESET_HEAD_RUN_POST_CHECKOUT_HOOK; + ropts.head_msg = msg.buf; + ropts.default_reflog_action = DEFAULT_REFLOG_ACTION; + if (reset_head(the_repository, &ropts)) die(_("Could not detach HEAD")); strbuf_release(&msg); @@ -1776,8 +1788,11 @@ int cmd_rebase(int argc, const char **argv, const char *prefix) strbuf_addf(&msg, "rebase finished: %s onto %s", options.head_name ? options.head_name : "detached HEAD", oid_to_hex(&options.onto->object.oid)); - reset_head(the_repository, NULL, options.head_name, - RESET_HEAD_REFS_ONLY, NULL, msg.buf, NULL); + memset(&ropts, 0, sizeof(ropts)); + ropts.branch = options.head_name; + ropts.flags = RESET_HEAD_REFS_ONLY; + ropts.head_msg = msg.buf; + reset_head(the_repository, &ropts); strbuf_release(&msg); ret = finish_rebase(&options); goto cleanup; @@ -8,14 +8,17 @@ #include "tree.h" #include "unpack-trees.h" -static int update_refs(const struct object_id *oid, const char *switch_to_branch, - const struct object_id *head, const char *reflog_head, - const char *reflog_orig_head, - const char *default_reflog_action, unsigned flags) +static int update_refs(const struct reset_head_opts *opts, + const struct object_id *oid, + const struct object_id *head) { - unsigned detach_head = flags & RESET_HEAD_DETACH; - unsigned run_hook = flags & RESET_HEAD_RUN_POST_CHECKOUT_HOOK; - unsigned update_orig_head = flags & RESET_ORIG_HEAD; + unsigned detach_head = opts->flags & RESET_HEAD_DETACH; + unsigned run_hook = opts->flags & RESET_HEAD_RUN_POST_CHECKOUT_HOOK; + unsigned update_orig_head = opts->flags & RESET_ORIG_HEAD; + const char *switch_to_branch = opts->branch; + const char *reflog_head = opts->head_msg; + const char *reflog_orig_head = opts->orig_head_msg; + const char *default_reflog_action = opts->default_reflog_action; struct object_id *old_orig = NULL, oid_old_orig; struct strbuf msg = STRBUF_INIT; const char *reflog_action; @@ -69,14 +72,13 @@ static int update_refs(const struct object_id *oid, const char *switch_to_branch return ret; } -int reset_head(struct repository *r, struct object_id *oid, - const char *switch_to_branch, unsigned flags, - const char *reflog_orig_head, const char *reflog_head, - const char *default_reflog_action) +int reset_head(struct repository *r, const struct reset_head_opts *opts) { - unsigned reset_hard = flags & RESET_HEAD_HARD; - unsigned refs_only = flags & RESET_HEAD_REFS_ONLY; - unsigned update_orig_head = flags & RESET_ORIG_HEAD; + const struct object_id *oid = opts->oid; + const char *switch_to_branch = opts->branch; + unsigned reset_hard = opts->flags & RESET_HEAD_HARD; + unsigned refs_only = opts->flags & RESET_HEAD_REFS_ONLY; + unsigned update_orig_head = opts->flags & RESET_ORIG_HEAD; struct object_id *head = NULL, head_oid; struct tree_desc desc[2] = { { NULL }, { NULL } }; struct lock_file lock = LOCK_INIT; @@ -104,9 +106,7 @@ int reset_head(struct repository *r, struct object_id *oid, oid = &head_oid; if (refs_only) - return update_refs(oid, switch_to_branch, head, reflog_head, - reflog_orig_head, default_reflog_action, - flags); + return update_refs(opts, oid, head); action = reset_hard ? "reset" : "checkout"; setup_unpack_trees_porcelain(&unpack_tree_opts, action); @@ -151,9 +151,7 @@ int reset_head(struct repository *r, struct object_id *oid, } if (oid != &head_oid || update_orig_head || switch_to_branch) - ret = update_refs(oid, switch_to_branch, head, reflog_head, - reflog_orig_head, default_reflog_action, - flags); + ret = update_refs(opts, oid, head); leave_reset_head: rollback_lock_file(&lock); @@ -6,15 +6,47 @@ #define GIT_REFLOG_ACTION_ENVIRONMENT "GIT_REFLOG_ACTION" +/* Request a detached checkout */ #define RESET_HEAD_DETACH (1<<0) +/* Request a reset rather than a checkout */ #define RESET_HEAD_HARD (1<<1) +/* Run the post-checkout hook */ #define RESET_HEAD_RUN_POST_CHECKOUT_HOOK (1<<2) +/* Only update refs, do not touch the worktree */ #define RESET_HEAD_REFS_ONLY (1<<3) +/* Update ORIG_HEAD as well as HEAD */ #define RESET_ORIG_HEAD (1<<4) -int reset_head(struct repository *r, struct object_id *oid, - const char *switch_to_branch, unsigned flags, - const char *reflog_orig_head, const char *reflog_head, - const char *default_reflog_action); +struct reset_head_opts { + /* + * The commit to checkout/reset to. Defaults to HEAD. + */ + const struct object_id *oid; + /* + * Optional branch to switch to. + */ + const char *branch; + /* + * Flags defined above. + */ + unsigned flags; + /* + * Optional reflog message for HEAD, if this omitted but oid or branch + * are given then default_reflog_action must be given. + */ + const char *head_msg; + /* + * Optional reflog message for ORIG_HEAD, if this omitted and flags + * contains RESET_ORIG_HEAD then default_reflog_action must be given. + */ + const char *orig_head_msg; + /* + * Action to use in default reflog messages, only required if a ref is + * being updated and the reflog messages above are omitted. + */ + const char *default_reflog_action; +}; + +int reset_head(struct repository *r, const struct reset_head_opts *opts); #endif diff --git a/sequencer.c b/sequencer.c index 119564f..55ed074 100644 --- a/sequencer.c +++ b/sequencer.c @@ -4115,6 +4115,7 @@ void create_autostash(struct repository *r, const char *path) if (has_unstaged_changes(r, 1) || has_uncommitted_changes(r, 1)) { struct child_process stash = CHILD_PROCESS_INIT; + struct reset_head_opts ropts = { .flags = RESET_HEAD_HARD }; struct object_id oid; strvec_pushl(&stash.args, @@ -4136,10 +4137,8 @@ void create_autostash(struct repository *r, const char *path) path); write_file(path, "%s", oid_to_hex(&oid)); printf(_("Created autostash: %s\n"), buf.buf); - if (reset_head(r, NULL, NULL, RESET_HEAD_HARD, NULL, NULL, - NULL) < 0) + if (reset_head(r, &ropts) < 0) die(_("could not reset --hard")); - if (discard_index(r->index) < 0 || repo_read_index(r) < 0) die(_("could not read index")); |