regex: use regexec_buf()

diff --git a/Documentation/git-tag.txt b/Documentation/git-tag.txt
index 08b4dfbf1b049a3fc3cd04edc573845e0c976a9c..abab4814ec984db62dff6b493c3eb93398a36afa 100644 (file)
--- a/Documentation/git-tag.txt
+++ b/Documentation/git-tag.txt
@@ -13,7 +13,8 @@ SYNOPSIS
        <tagname> [<commit> | <object>]
 'git tag' -d <tagname>...
 'git tag' [-n[<num>]] -l [--contains <commit>] [--points-at <object>]
-       [--column[=<options>] | --no-column] [--create-reflog] [<pattern>...]
+       [--column[=<options>] | --no-column] [--create-reflog] [--sort=<key>]
+       [--format=<format>] [--[no-]merged [<commit>]] [<pattern>...]
 'git tag' -v <tagname>...
 
 DESCRIPTION
@@ -94,14 +95,16 @@ OPTIONS
        using fnmatch(3)).  Multiple patterns may be given; if any of
        them matches, the tag is shown.
 
---sort=<type>::
-       Sort in a specific order. Supported type is "refname"
-       (lexicographic order), "version:refname" or "v:refname" (tag
+--sort=<key>::
+       Sort based on the key given.  Prefix `-` to sort in
+       descending order of the value. You may use the --sort=<key> option
+       multiple times, in which case the last key becomes the primary
+       key. Also supports "version:refname" or "v:refname" (tag
        names are treated as versions). The "version:refname" sort
        order can also be affected by the
-       "versionsort.prereleaseSuffix" configuration variable. Prepend
-       "-" to reverse sort order. When this option is not given, the
-       sort order defaults to the value configured for the 'tag.sort'
+       "versionsort.prereleaseSuffix" configuration variable.
+       The keys supported are the same as those in `git for-each-ref`.
+       Sort order defaults to the value configured for the 'tag.sort'
        variable if it exists, or lexicographic order otherwise. See
        linkgit:git-config[1].
 
@@ -156,6 +159,16 @@ This option is only applicable when listing tags without annotation lines.
        The object that the new tag will refer to, usually a commit.
        Defaults to HEAD.
 
+<format>::
+       A string that interpolates `%(fieldname)` from the object
+       pointed at by a ref being shown.  The format is the same as
+       that of linkgit:git-for-each-ref[1].  When unspecified,
+       defaults to `%(refname:strip=2)`.
+
+--[no-]merged [<commit>]::
+       Only list tags whose tips are reachable, or not reachable
+       if '--no-merged' is used, from the specified commit ('HEAD'
+       if not specified).
 
 CONFIGURATION
 -------------