Merge branch 'jc/diff-filter-negation'
[gitweb.git] / builtin / checkout.c
index f5b50e520feb42c50cd1783871eb63d009e0a0e0..ed39cecf9a80e4e770684b7c5ceb2d117ffbb281 100644 (file)
@@ -97,7 +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))
@@ -105,7 +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)) {
@@ -119,7 +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;
@@ -228,8 +228,6 @@ static int checkout_paths(const struct checkout_opts *opts,
        int flag;
        struct commit *head;
        int errs = 0;
-       int stage = opts->writeout_stage;
-       int merge = opts->merge;
        int newfd;
        struct lock_file *lock_file;
 
@@ -321,14 +319,14 @@ static int checkout_paths(const struct checkout_opts *opts,
 
        /* Any unmerged paths? */
        for (pos = 0; pos < active_nr; pos++) {
-               struct cache_entry *ce = active_cache[pos];
+               const struct cache_entry *ce = active_cache[pos];
                if (ce->ce_flags & CE_MATCHED) {
                        if (!ce_stage(ce))
                                continue;
                        if (opts->force) {
                                warning(_("path '%s' is unmerged"), ce->name);
-                       } else if (stage) {
-                               errs |= check_stage(stage, ce, pos);
+                       } else if (opts->writeout_stage) {
+                               errs |= check_stage(opts->writeout_stage, ce, pos);
                        } else if (opts->merge) {
                                errs |= check_stages((1<<2) | (1<<3), ce, pos);
                        } else {
@@ -352,9 +350,9 @@ static int checkout_paths(const struct checkout_opts *opts,
                                errs |= checkout_entry(ce, &state, NULL);
                                continue;
                        }
-                       if (stage)
-                               errs |= checkout_stage(stage, ce, pos, &state);
-                       else if (merge)
+                       if (opts->writeout_stage)
+                               errs |= checkout_stage(opts->writeout_stage, ce, pos, &state);
+                       else if (opts->merge)
                                errs |= checkout_merged(pos, &state);
                        pos = skip_same_name(ce, pos) - 1;
                }
@@ -587,7 +585,7 @@ 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) {
@@ -620,8 +618,13 @@ 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. */
@@ -838,13 +841,16 @@ static int check_tracking_name(struct remote *remote, void *cb_data)
        memset(&query, 0, sizeof(struct refspec));
        query.src = cb->src_ref;
        if (remote_find_tracking(remote, &query) ||
-           get_sha1(query.dst, cb->dst_sha1))
+           get_sha1(query.dst, cb->dst_sha1)) {
+               free(query.dst);
                return 0;
+       }
        if (cb->dst_ref) {
+               free(query.dst);
                cb->unique = 0;
                return 0;
        }
-       cb->dst_ref = xstrdup(query.dst);
+       cb->dst_ref = query.dst;
        return 0;
 }
 
@@ -1048,8 +1054,8 @@ int cmd_checkout(int argc, const char **argv, const char *prefix)
                           N_("create and checkout a new branch")),
                OPT_STRING('B', NULL, &opts.new_branch_force, N_("branch"),
                           N_("create/reset and checkout a branch")),
-               OPT_BOOLEAN('l', NULL, &opts.new_branch_log, N_("create reflog for new branch")),
-               OPT_BOOLEAN(0, "detach", &opts.force_detach, N_("detach the HEAD at named commit")),
+               OPT_BOOL('l', NULL, &opts.new_branch_log, N_("create reflog for new branch")),
+               OPT_BOOL(0, "detach", &opts.force_detach, N_("detach the HEAD at named commit")),
                OPT_SET_INT('t', "track",  &opts.track, N_("set upstream info for new branch"),
                        BRANCH_TRACK_EXPLICIT),
                OPT_STRING(0, "orphan", &opts.new_orphan_branch, N_("new branch"), N_("new unparented branch")),
@@ -1058,16 +1064,15 @@ int cmd_checkout(int argc, const char **argv, const char *prefix)
                OPT_SET_INT('3', "theirs", &opts.writeout_stage, N_("checkout their version for unmerged files"),
                            3),
                OPT__FORCE(&opts.force, N_("force checkout (throw away local modifications)")),
-               OPT_BOOLEAN('m', "merge", &opts.merge, N_("perform a 3-way merge with the new branch")),
-               OPT_BOOLEAN(0, "overwrite-ignore", &opts.overwrite_ignore, N_("update ignored files (default)")),
+               OPT_BOOL('m', "merge", &opts.merge, N_("perform a 3-way merge with the new branch")),
+               OPT_BOOL(0, "overwrite-ignore", &opts.overwrite_ignore, N_("update ignored files (default)")),
                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('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 },
+               OPT_HIDDEN_BOOL(0, "guess", &dwim_new_local_branch,
+                               N_("second guess 'git checkout no-such-branch'")),
                OPT_END(),
        };