format-patch: refactor get_patch_filename

diff --git a/builtin/branch.c b/builtin/branch.c
index 5f150b4e8ae87478bcc35408c333042615373cd2..0e060f2e4a982efdda0f88d021e0a9d3f23c6b75 100644 (file)
--- a/builtin/branch.c
+++ b/builtin/branch.c
@@ -15,6 +15,8 @@
 #include "branch.h"
 #include "diff.h"
 #include "revision.h"
+#include "string-list.h"
+#include "column.h"
 
 static const char * const builtin_branch_usage[] = {
        "git branch [options] [-r | -a] [--merged | --no-merged]",
@@ -53,6 +55,9 @@ static enum merge_filter {
 } merge_filter;
 static unsigned char merge_filter_ref[20];
 
+static struct string_list output = STRING_LIST_INIT_DUP;
+static unsigned int colopts;
+
 static int parse_branch_color_slot(const char *var, int ofs)
 {
        if (!strcasecmp(var+ofs, "plain"))
@@ -70,6 +75,8 @@ 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."))
+               return git_column_config(var, value, "branch", &colopts);
        if (!strcmp(var, "color.branch")) {
                branch_use_color = git_config_colorbool(var, value);
                return 0;
@@ -152,21 +159,22 @@ static int delete_branches(int argc, const char **argv, int force, int kinds,
        struct commit *rev, *head_rev = NULL;
        unsigned char sha1[20];
        char *name = NULL;
-       const char *fmt, *remote;
+       const char *fmt;
        int i;
        int ret = 0;
+       int remote_branch = 0;
        struct strbuf bname = STRBUF_INIT;
 
        switch (kinds) {
        case REF_REMOTE_BRANCH:
                fmt = "refs/remotes/%s";
-               /* TRANSLATORS: This is "remote " in "remote branch '%s' not found" */
-               remote = _("remote ");
+               /* For subsequent UI messages */
+               remote_branch = 1;
+
                force = 1;
                break;
        case REF_LOCAL_BRANCH:
                fmt = "refs/heads/%s";
-               remote = "";
                break;
        default:
                die(_("cannot use -a with -d"));
@@ -190,8 +198,9 @@ static int delete_branches(int argc, const char **argv, int force, int kinds,
 
                name = xstrdup(mkpath(fmt, bname.buf));
                if (read_ref(name, sha1)) {
-                       error(_("%sbranch '%s' not found."),
-                                       remote, bname.buf);
+                       error(remote_branch
+                             ? _("remote branch '%s' not found.")
+                             : _("branch '%s' not found."), bname.buf);
                        ret = 1;
                        continue;
                }
@@ -212,14 +221,18 @@ static int delete_branches(int argc, const char **argv, int force, int kinds,
                }
 
                if (delete_ref(name, sha1, 0)) {
-                       error(_("Error deleting %sbranch '%s'"), remote,
+                       error(remote_branch
+                             ? _("Error deleting remote branch '%s'")
+                             : _("Error deleting branch '%s'"),
                              bname.buf);
                        ret = 1;
                } else {
                        struct strbuf buf = STRBUF_INIT;
                        if (!quiet)
-                               printf(_("Deleted %sbranch %s (was %s).\n"),
-                                      remote, bname.buf,
+                               printf(remote_branch
+                                      ? _("Deleted remote branch %s (was %s).\n")
+                                      : _("Deleted branch %s (was %s).\n"),
+                                      bname.buf,
                                       find_unique_abbrev(sha1, DEFAULT_ABBREV));
                        strbuf_addf(&buf, "branch.%s", bname.buf);
                        if (git_config_rename_section(buf.buf, NULL) < 0)
@@ -378,6 +391,7 @@ static void fill_tracking_info(struct strbuf *stat, const char *branch_name,
                int show_upstream_ref)
 {
        int ours, theirs;
+       char *ref = NULL;
        struct branch *branch = branch_get(branch_name);
 
        if (!stat_tracking_info(branch, &ours, &theirs)) {
@@ -388,16 +402,29 @@ static void fill_tracking_info(struct strbuf *stat, const char *branch_name,
                return;
        }
 
-       strbuf_addch(stat, '[');
        if (show_upstream_ref)
-               strbuf_addf(stat, "%s: ",
-                       shorten_unambiguous_ref(branch->merge[0]->dst, 0));
-       if (!ours)
-               strbuf_addf(stat, _("behind %d] "), theirs);
-       else if (!theirs)
-               strbuf_addf(stat, _("ahead %d] "), ours);
-       else
-               strbuf_addf(stat, _("ahead %d, behind %d] "), ours, theirs);
+               ref = shorten_unambiguous_ref(branch->merge[0]->dst, 0);
+       if (!ours) {
+               if (ref)
+                       strbuf_addf(stat, _("[%s: behind %d]"), ref, theirs);
+               else
+                       strbuf_addf(stat, _("[behind %d]"), theirs);
+
+       } else if (!theirs) {
+               if (ref)
+                       strbuf_addf(stat, _("[%s: ahead %d]"), ref, ours);
+               else
+                       strbuf_addf(stat, _("[ahead %d]"), ours);
+       } else {
+               if (ref)
+                       strbuf_addf(stat, _("[%s: ahead %d, behind %d]"),
+                                   ref, ours, theirs);
+               else
+                       strbuf_addf(stat, _("[ahead %d, behind %d]"),
+                                   ours, theirs);
+       }
+       strbuf_addch(stat, ' ');
+       free(ref);
 }
 
 static int matches_merge_filter(struct commit *commit)
@@ -476,7 +503,12 @@ static void print_ref_item(struct ref_item *item, int maxwidth, int verbose,
        else if (verbose)
                /* " f7c0c00 [ahead 58, behind 197] vcs-svn: drop obj_pool.h" */
                add_verbose_info(&out, item, verbose, abbrev);
-       printf("%s\n", out.buf);
+       if (column_active(colopts)) {
+               assert(!verbose && "--column and --verbose are incompatible");
+               string_list_append(&output, out.buf);
+       } else {
+               printf("%s\n", out.buf);
+       }
        strbuf_release(&name);
        strbuf_release(&out);
 }
@@ -657,7 +689,7 @@ static int edit_branch_description(const char *branch_name)
        fp = fopen(git_path(edit_description), "w");
        if ((fwrite(buf.buf, 1, buf.len, fp) < buf.len) || fclose(fp)) {
                strbuf_release(&buf);
-               return error(_("could not write branch description template: %s\n"),
+               return error(_("could not write branch description template: %s"),
                             strerror(errno));
        }
        strbuf_reset(&buf);
@@ -735,6 +767,7 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
                        PARSE_OPT_LASTARG_DEFAULT | PARSE_OPT_NONEG,
                        opt_parse_merge_filter, (intptr_t) "HEAD",
                },
+               OPT_COLUMN(0, "column", &colopts, "list branches in columns"),
                OPT_END(),
        };
 
@@ -757,6 +790,7 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
        }
        hashcpy(merge_filter_ref, head_sha1);
 
+
        argc = parse_options(argc, argv, prefix, options, builtin_branch_usage,
                             0);
 
@@ -768,12 +802,22 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
 
        if (abbrev == -1)
                abbrev = DEFAULT_ABBREV;
+       finalize_colopts(&colopts, -1);
+       if (verbose) {
+               if (explicitly_enable_column(colopts))
+                       die(_("--column and --verbose are incompatible"));
+               colopts = 0;
+       }
 
        if (delete)
                return delete_branches(argc, argv, delete > 1, kinds, quiet);
-       else if (list)
-               return print_ref_list(kinds, detached, verbose, abbrev,
-                                     with_commit, argv);
+       else if (list) {
+               int ret = print_ref_list(kinds, detached, verbose, abbrev,
+                                        with_commit, argv);
+               print_columns(&output, colopts, NULL);
+               string_list_clear(&output, 0);
+               return ret;
+       }
        else if (edit_description) {
                const char *branch_name;
                struct strbuf branch_ref = STRBUF_INIT;