wincred: avoid overwriting configured variables

diff --git a/builtin/branch.c b/builtin/branch.c
index 083689063f66a614ad6f8ee4a84c79e214d1b6e0..b4d771673e7e9dccacbae8b29f4f1cd6a835151f 100644 (file)
--- a/builtin/branch.c
+++ b/builtin/branch.c
@@ -81,13 +81,13 @@ static int parse_branch_color_slot(const char *var, int ofs)
 
 static int git_branch_config(const char *var, const char *value, void *cb)
 {
-       if (!prefixcmp(var, "column."))
+       if (starts_with(var, "column."))
                return git_column_config(var, value, "branch", &colopts);
        if (!strcmp(var, "color.branch")) {
                branch_use_color = git_config_colorbool(var, value);
                return 0;
        }
-       if (!prefixcmp(var, "color.branch.")) {
+       if (starts_with(var, "color.branch.")) {
                int slot = parse_branch_color_slot(var, 13);
                if (slot < 0)
                        return 0;
@@ -423,19 +423,20 @@ static void fill_tracking_info(struct strbuf *stat, const char *branch_name,
        char *ref = NULL;
        struct branch *branch = branch_get(branch_name);
        struct strbuf fancy = STRBUF_INIT;
+       int upstream_is_gone = 0;
+       int added_decoration = 1;
 
-       if (!stat_tracking_info(branch, &ours, &theirs)) {
-               if (branch && branch->merge && branch->merge[0]->dst &&
-                   show_upstream_ref) {
-                       ref = shorten_unambiguous_ref(branch->merge[0]->dst, 0);
-                       if (want_color(branch_use_color))
-                               strbuf_addf(stat, "[%s%s%s] ",
-                                               branch_get_color(BRANCH_COLOR_UPSTREAM),
-                                               ref, branch_get_color(BRANCH_COLOR_RESET));
-                       else
-                               strbuf_addf(stat, "[%s] ", ref);
-               }
+       switch (stat_tracking_info(branch, &ours, &theirs)) {
+       case 0:
+               /* no base */
                return;
+       case -1:
+               /* with "gone" base */
+               upstream_is_gone = 1;
+               break;
+       default:
+               /* with base */
+               break;
        }
 
        if (show_upstream_ref) {
@@ -448,19 +449,29 @@ static void fill_tracking_info(struct strbuf *stat, const char *branch_name,
                        strbuf_addstr(&fancy, ref);
        }
 
-       if (!ours) {
-               if (ref)
+       if (upstream_is_gone) {
+               if (show_upstream_ref)
+                       strbuf_addf(stat, _("[%s: gone]"), fancy.buf);
+               else
+                       added_decoration = 0;
+       } else if (!ours && !theirs) {
+               if (show_upstream_ref)
+                       strbuf_addf(stat, _("[%s]"), fancy.buf);
+               else
+                       added_decoration = 0;
+       } else if (!ours) {
+               if (show_upstream_ref)
                        strbuf_addf(stat, _("[%s: behind %d]"), fancy.buf, theirs);
                else
                        strbuf_addf(stat, _("[behind %d]"), theirs);
 
        } else if (!theirs) {
-               if (ref)
+               if (show_upstream_ref)
                        strbuf_addf(stat, _("[%s: ahead %d]"), fancy.buf, ours);
                else
                        strbuf_addf(stat, _("[ahead %d]"), ours);
        } else {
-               if (ref)
+               if (show_upstream_ref)
                        strbuf_addf(stat, _("[%s: ahead %d, behind %d]"),
                                    fancy.buf, ours, theirs);
                else
@@ -468,7 +479,8 @@ static void fill_tracking_info(struct strbuf *stat, const char *branch_name,
                                    ours, theirs);
        }
        strbuf_release(&fancy);
-       strbuf_addch(stat, ' ');
+       if (added_decoration)
+               strbuf_addch(stat, ' ');
        free(ref);
 }
 
@@ -490,7 +502,7 @@ static void add_verbose_info(struct strbuf *out, struct ref_item *item,
        const char *sub = _(" **** invalid ref ****");
        struct commit *commit = item->commit;
 
-       if (commit && !parse_commit(commit)) {
+       if (!parse_commit(commit)) {
                pp_commit_easy(CMIT_FMT_ONELINE, commit, &subject);
                sub = subject.buf;
        }
@@ -797,7 +809,7 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
                OPT_SET_INT( 0, "set-upstream",  &track, N_("change upstream info"),
                        BRANCH_TRACK_OVERRIDE),
                OPT_STRING('u', "set-upstream-to", &new_upstream, "upstream", "change the upstream info"),
-               OPT_BOOLEAN(0, "unset-upstream", &unset_upstream, "Unset the upstream info"),
+               OPT_BOOL(0, "unset-upstream", &unset_upstream, "Unset the upstream info"),
                OPT__COLOR(&branch_use_color, N_("use colored output")),
                OPT_SET_INT('r', "remotes",     &kinds, N_("act on remote-tracking branches"),
                        REF_REMOTE_BRANCH),
@@ -822,10 +834,10 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
                OPT_BIT('D', NULL, &delete, N_("delete branch (even if not merged)"), 2),
                OPT_BIT('m', "move", &rename, N_("move/rename a branch and its reflog"), 1),
                OPT_BIT('M', NULL, &rename, N_("move/rename a branch, even if target exists"), 2),
-               OPT_BOOLEAN(0, "list", &list, N_("list branch names")),
-               OPT_BOOLEAN('l', "create-reflog", &reflog, N_("create the branch's reflog")),
-               OPT_BOOLEAN(0, "edit-description", &edit_description,
-                           N_("edit the description for the branch")),
+               OPT_BOOL(0, "list", &list, N_("list branch names")),
+               OPT_BOOL('l', "create-reflog", &reflog, N_("create the branch's reflog")),
+               OPT_BOOL(0, "edit-description", &edit_description,
+                        N_("edit the description for the branch")),
                OPT__FORCE(&force_create, N_("force creation (when already exists)")),
                {
                        OPTION_CALLBACK, 0, "no-merged", &merge_filter_ref,
@@ -856,7 +868,7 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
        if (!strcmp(head, "HEAD")) {
                detached = 1;
        } else {
-               if (prefixcmp(head, "refs/heads/"))
+               if (!starts_with(head, "refs/heads/"))
                        die(_("HEAD not found below refs/heads!"));
                head += 11;
        }
@@ -872,7 +884,8 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
        if (with_commit || merge_filter != NO_FILTER)
                list = 1;
 
-       if (!!delete + !!rename + !!force_create + !!list + !!new_upstream + !!unset_upstream > 1)
+       if (!!delete + !!rename + !!force_create + !!new_upstream +
+           list + unset_upstream > 1)
                usage_with_options(builtin_branch_usage, options);
 
        if (abbrev == -1)
@@ -968,9 +981,8 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
                        die(_("no such branch '%s'"), argv[0]);
                }
 
-               if (!branch_has_merge_config(branch)) {
+               if (!branch_has_merge_config(branch))
                        die(_("Branch '%s' has no upstream information"), branch->name);
-               }
 
                strbuf_addf(&buf, "branch.%s.remote", branch->name);
                git_config_set_multivar(buf.buf, NULL, NULL, 1);