diff options
Diffstat (limited to 'builtin/checkout.c')
-rw-r--r-- | builtin/checkout.c | 114 |
1 files changed, 79 insertions, 35 deletions
diff --git a/builtin/checkout.c b/builtin/checkout.c index a9c1b5a95f..7025938ae3 100644 --- a/builtin/checkout.c +++ b/builtin/checkout.c @@ -35,6 +35,7 @@ struct checkout_opts { int force_detach; int writeout_stage; int overwrite_ignore; + int ignore_skipworktree; const char *new_branch; const char *new_branch_force; @@ -96,7 +97,7 @@ static int read_tree_some(struct tree *tree, const char **pathspec) return 0; } -static int skip_same_name(struct cache_entry *ce, int pos) +static int skip_same_name(const struct cache_entry *ce, int pos) { while (++pos < active_nr && !strcmp(active_cache[pos]->name, ce->name)) @@ -104,7 +105,7 @@ static int skip_same_name(struct cache_entry *ce, int pos) return pos; } -static int check_stage(int stage, struct cache_entry *ce, int pos) +static int check_stage(int stage, const struct cache_entry *ce, int pos) { while (pos < active_nr && !strcmp(active_cache[pos]->name, ce->name)) { @@ -118,7 +119,7 @@ static int check_stage(int stage, struct cache_entry *ce, int pos) return error(_("path '%s' does not have their version"), ce->name); } -static int check_stages(unsigned stages, struct cache_entry *ce, int pos) +static int check_stages(unsigned stages, const struct cache_entry *ce, int pos) { unsigned seen = 0; const char *name = ce->name; @@ -271,24 +272,57 @@ static int checkout_paths(const struct checkout_opts *opts, ; ps_matched = xcalloc(1, pos); + /* + * Make sure all pathspecs participated in locating the paths + * to be checked out. + */ for (pos = 0; pos < active_nr; pos++) { struct cache_entry *ce = active_cache[pos]; + ce->ce_flags &= ~CE_MATCHED; + if (!opts->ignore_skipworktree && ce_skip_worktree(ce)) + continue; if (opts->source_tree && !(ce->ce_flags & CE_UPDATE)) + /* + * "git checkout tree-ish -- path", but this entry + * is in the original index; it will not be checked + * out to the working tree and it does not matter + * if pathspec matched this entry. We will not do + * anything to this entry at all. + */ continue; - match_pathspec(opts->pathspec, ce->name, ce_namelen(ce), 0, ps_matched); + /* + * Either this entry came from the tree-ish we are + * checking the paths out of, or we are checking out + * of the index. + * + * If it comes from the tree-ish, we already know it + * matches the pathspec and could just stamp + * CE_MATCHED to it from update_some(). But we still + * need ps_matched and read_tree_recursive (and + * eventually tree_entry_interesting) cannot fill + * ps_matched yet. Once it can, we can avoid calling + * match_pathspec() for _all_ entries when + * opts->source_tree != NULL. + */ + if (match_pathspec(opts->pathspec, ce->name, ce_namelen(ce), + 0, ps_matched)) + ce->ce_flags |= CE_MATCHED; } - if (report_path_error(ps_matched, opts->pathspec, opts->prefix)) + if (report_path_error(ps_matched, opts->pathspec, opts->prefix)) { + free(ps_matched); return 1; + } + free(ps_matched); /* "checkout -m path" to recreate conflicted state */ if (opts->merge) - unmerge_cache(opts->pathspec); + unmerge_marked_index(&the_index); /* Any unmerged paths? */ for (pos = 0; pos < active_nr; pos++) { - struct cache_entry *ce = active_cache[pos]; - if (match_pathspec(opts->pathspec, ce->name, ce_namelen(ce), 0, NULL)) { + const struct cache_entry *ce = active_cache[pos]; + if (ce->ce_flags & CE_MATCHED) { if (!ce_stage(ce)) continue; if (opts->force) { @@ -313,9 +347,7 @@ static int checkout_paths(const struct checkout_opts *opts, state.refresh_cache = 1; for (pos = 0; pos < active_nr; pos++) { struct cache_entry *ce = active_cache[pos]; - if (opts->source_tree && !(ce->ce_flags & CE_UPDATE)) - continue; - if (match_pathspec(opts->pathspec, ce->name, ce_namelen(ce), 0, NULL)) { + if (ce->ce_flags & CE_MATCHED) { if (!ce_stage(ce)) { errs |= checkout_entry(ce, &state, NULL); continue; @@ -555,7 +587,7 @@ static void update_refs_for_switch(const struct checkout_opts *opts, struct branch_info *new) { struct strbuf msg = STRBUF_INIT; - const char *old_desc; + const char *old_desc, *reflog_msg; if (opts->new_branch) { if (opts->new_orphan_branch) { if (opts->new_branch_log && !log_all_ref_updates) { @@ -588,8 +620,13 @@ static void update_refs_for_switch(const struct checkout_opts *opts, old_desc = old->name; if (!old_desc && old->commit) old_desc = sha1_to_hex(old->commit->object.sha1); - strbuf_addf(&msg, "checkout: moving from %s to %s", - old_desc ? old_desc : "(invalid)", new->name); + + reflog_msg = getenv("GIT_REFLOG_ACTION"); + if (!reflog_msg) + strbuf_addf(&msg, "checkout: moving from %s to %s", + old_desc ? old_desc : "(invalid)", new->name); + else + strbuf_insert(&msg, 0, reflog_msg, strlen(reflog_msg)); if (!strcmp(new->name, "HEAD") && !new->path && !opts->force_detach) { /* Nothing to do. */ @@ -700,7 +737,7 @@ static void suggest_reattach(struct commit *commit, struct rev_info *revs) "If you want to keep them by creating a new branch, " "this may be a good time\nto do so with:\n\n" " git branch new_branch_name %s\n\n"), - sha1_to_hex(commit->object.sha1)); + find_unique_abbrev(commit->object.sha1, DEFAULT_ABBREV)); } /* @@ -793,38 +830,43 @@ static int git_checkout_config(const char *var, const char *value, void *cb) } struct tracking_name_data { - const char *name; - char *remote; + /* const */ char *src_ref; + char *dst_ref; + unsigned char *dst_sha1; int unique; }; -static int check_tracking_name(const char *refname, const unsigned char *sha1, - int flags, void *cb_data) +static int check_tracking_name(struct remote *remote, void *cb_data) { struct tracking_name_data *cb = cb_data; - const char *slash; - - if (prefixcmp(refname, "refs/remotes/")) + struct refspec query; + memset(&query, 0, sizeof(struct refspec)); + query.src = cb->src_ref; + if (remote_find_tracking(remote, &query) || + get_sha1(query.dst, cb->dst_sha1)) { + free(query.dst); return 0; - slash = strchr(refname + 13, '/'); - if (!slash || strcmp(slash + 1, cb->name)) - return 0; - if (cb->remote) { + } + if (cb->dst_ref) { + free(query.dst); cb->unique = 0; return 0; } - cb->remote = xstrdup(refname); + cb->dst_ref = query.dst; return 0; } -static const char *unique_tracking_name(const char *name) +static const char *unique_tracking_name(const char *name, unsigned char *sha1) { - struct tracking_name_data cb_data = { NULL, NULL, 1 }; - cb_data.name = name; - for_each_ref(check_tracking_name, &cb_data); + struct tracking_name_data cb_data = { NULL, NULL, NULL, 1 }; + char src_ref[PATH_MAX]; + snprintf(src_ref, PATH_MAX, "refs/heads/%s", name); + cb_data.src_ref = src_ref; + cb_data.dst_sha1 = sha1; + for_each_remote(check_tracking_name, &cb_data); if (cb_data.unique) - return cb_data.remote; - free(cb_data.remote); + return cb_data.dst_ref; + free(cb_data.dst_ref); return NULL; } @@ -887,8 +929,8 @@ static int parse_branchname_arg(int argc, const char **argv, if (dwim_new_local_branch_ok && !check_filename(NULL, arg) && argc == 1) { - const char *remote = unique_tracking_name(arg); - if (!remote || get_sha1(remote, rev)) + const char *remote = unique_tracking_name(arg, rev); + if (!remote) return argcount; *new_branch = arg; arg = remote; @@ -1029,6 +1071,8 @@ int cmd_checkout(int argc, const char **argv, const char *prefix) OPT_STRING(0, "conflict", &conflict_style, N_("style"), N_("conflict style (merge or diff3)")), OPT_BOOLEAN('p', "patch", &opts.patch_mode, N_("select hunks interactively")), + OPT_BOOL(0, "ignore-skip-worktree-bits", &opts.ignore_skipworktree, + N_("do not limit pathspecs to sparse entries only")), { OPTION_BOOLEAN, 0, "guess", &dwim_new_local_branch, NULL, N_("second guess 'git checkout no-such-branch'"), PARSE_OPT_NOARG | PARSE_OPT_HIDDEN }, |