Add support for configuring default sort ordering for git tags. Command
line option will override this configured value, using the exact same
syntax.
Cc: Nguyễn Thái Ngọc Duy <pclo...@gmail.com>
Cc: Junio C Hamano <gits...@pobox.com>
Signed-off-by: Jacob Keller <jacob.e.kel...@intel.com>
---
Documentation/config.txt | 7 +++++++
Documentation/git-tag.txt | 3 ++-
builtin/tag.c | 47 ++++++++++++++++++++++++++++++++++++++++-------
t/t7004-tag.sh | 21 +++++++++++++++++++++
4 files changed, 70 insertions(+), 8 deletions(-)
diff --git a/Documentation/config.txt b/Documentation/config.txt
index 1d718bdb9662..0152582445b0 100644
--- a/Documentation/config.txt
+++ b/Documentation/config.txt
@@ -2354,6 +2354,13 @@ submodule.<name>.ignore::
"--ignore-submodules" option. The 'git submodule' commands are not
affected by this setting.
+tag.sort::
+ This variable is used to control the sort ordering of tags when
+ displayed via linkgit:git-tag[5]. The current supported types are
+ "refname" for lexicographic order (default) or "version:refname" or
+ "v:refname" for tag names treated as versions. You may prepend a "-" to
+ reverse the sort ordering.
+
tar.umask::
This variable can be used to restrict the permission bits of
tar archive entries. The default is 0002, which turns off the
diff --git a/Documentation/git-tag.txt b/Documentation/git-tag.txt
index b424a1bc48bb..b338260f9f63 100644
--- a/Documentation/git-tag.txt
+++ b/Documentation/git-tag.txt
@@ -99,7 +99,7 @@ OPTIONS
Sort in a specific order. Supported type is "refname"
(lexicographic order), "version:refname" or "v:refname" (tag
names are treated as versions). Prepend "-" to reverse sort
- order.
+ order. See configuration variable tag.sort for more details.
--column[=<options>]::
--no-column::
@@ -317,6 +317,7 @@ include::date-formats.txt[]
SEE ALSO
--------
linkgit:git-check-ref-format[1].
+linkgit:git-config[1].
GIT
---
diff --git a/builtin/tag.c b/builtin/tag.c
index ef765563388c..e8ada8b716ee 100644
--- a/builtin/tag.c
+++ b/builtin/tag.c
@@ -18,6 +18,8 @@
#include "sha1-array.h"
#include "column.h"
+static char *configured_tag_sort;
+
static const char * const git_tag_usage[] = {
N_("git tag [-a|-s|-u <key-id>] [-f] [-m <msg>|-F <file>] <tagname>
[<head>]"),
N_("git tag -d <tagname>..."),
@@ -346,9 +348,28 @@ static const char tag_template_nocleanup[] =
"Lines starting with '%c' will be kept; you may remove them"
" yourself if you want to.\n");
+static void set_configured_tag_sort(const char *key)
+{
+ free(configured_tag_sort);
+ configured_tag_sort = xstrdup(key);
+}
+
+static const char *get_configured_tag_sort(void)
+{
+ if (configured_tag_sort)
+ return configured_tag_sort;
+ return "refname";
+}
+
static int git_tag_config(const char *var, const char *value, void *cb)
{
- int status = git_gpg_config(var, value, cb);
+ int status;
+
+ if (!strcmp(var, "tag.sort")) {
+ set_configured_tag_sort(value);
+ }
+
+ status = git_gpg_config(var, value, cb);
if (status)
return status;
if (starts_with(var, "column."))
@@ -519,9 +540,9 @@ static int parse_opt_points_at(const struct option *opt
__attribute__((unused)),
return 0;
}
-static int parse_opt_sort(const struct option *opt, const char *arg, int unset)
+static int parse_sort_string(const char *arg)
{
- int *sort = opt->value;
+ int sort = 0;
int flags = 0;
if (*arg == '-') {
@@ -529,16 +550,26 @@ static int parse_opt_sort(const struct option *opt, const
char *arg, int unset)
arg++;
}
if (starts_with(arg, "version:")) {
- *sort = VERCMP_SORT;
+ sort = VERCMP_SORT;
arg += 8;
} else if (starts_with(arg, "v:")) {
- *sort = VERCMP_SORT;
+ sort = VERCMP_SORT;
arg += 2;
} else
- *sort = STRCMP_SORT;
+ sort = STRCMP_SORT;
if (strcmp(arg, "refname"))
die(_("unsupported sort specification %s"), arg);
- *sort |= flags;
+ sort |= flags;
+
+ return sort;
+}
+
+static int parse_opt_sort(const struct option *opt, const char *arg, int unset)
+{
+ int *sort = opt->value;
+
+ *sort = parse_sort_string(arg);
+
return 0;
}
@@ -606,6 +637,8 @@ int cmd_tag(int argc, const char **argv, const char *prefix)
memset(&opt, 0, sizeof(opt));
+ sort = parse_sort_string(get_configured_tag_sort());
+
argc = parse_options(argc, argv, prefix, options, git_tag_usage, 0);
if (keyid) {
diff --git a/t/t7004-tag.sh b/t/t7004-tag.sh
index e4ab0f5b6419..1e8300f6ed7c 100755
--- a/t/t7004-tag.sh
+++ b/t/t7004-tag.sh
@@ -1423,6 +1423,27 @@ EOF
test_cmp expect actual
'
+test_expect_success 'configured lexical sort' '
+ git config tag.sort "v:refname" &&
+ git tag -l "foo*" >actual &&
+ cat >expect <<EOF &&
+foo1.3
+foo1.6
+foo1.10
+EOF
+ test_cmp expect actual
+'
+
+test_expect_success 'option override configured sort' '
+ git tag -l --sort=-refname "foo*" >actual &&
+ cat >expect <<EOF &&
+foo1.6
+foo1.3
+foo1.10
+EOF
+ test_cmp expect actual
+'
+
run_with_limited_stack () {
(ulimit -s 64 && "$@")
}
--
2.0.0
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