[PATCH 2/8] fast-export: add new --refspec option
So that we can convert the exported ref names.
Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
---
Documentation/git-fast-export.txt | 4 ++++
builtin/fast-export.c | 32 ++++++++++++++++++++++++++++++++
t/t9350-fast-export.sh | 7 +++++++
3 files changed, 43 insertions(+)
Show changes to 3 files +43 −0
Documentation/git-fast-export.txt, builtin/fast-export.c, t/t9350-fast-export.sh
diff --git a/Documentation/git-fast-export.txt b/Documentation/git-fast-export.txt
index 85f1f30..221506b 100644
--- a/Documentation/git-fast-export.txt
+++ b/Documentation/git-fast-export.txt
@@ -105,6 +105,10 @@ marks the same across runs.
in the commit (as opposed to just listing the files which are
different from the commit's first parent).
+--refspec::
+ Apply the specified refspec to each ref exported. Multiple of them can
+ be specified.
+
[<git-rev-list-args>...]::
A list of arguments, acceptable to 'git rev-parse' and
'git rev-list', that specifies the specific objects and references
diff --git a/builtin/fast-export.c b/builtin/fast-export.c
index bc3490c..ad9c17e 100644
--- a/builtin/fast-export.c
+++ b/builtin/fast-export.c
@@ -17,6 +17,7 @@
#include "utf8.h"
#include "parse-options.h"
#include "quote.h"
+#include "remote.h"
static const char *fast_export_usage[] = {
N_("git fast-export [rev-list-opts]"),
@@ -31,6 +32,8 @@ static int use_done_feature;
static int no_data;
static int full_tree;
static struct string_list extra_refs = STRING_LIST_INIT_NODUP;
+static struct refspec *refspecs;
+static int refspecs_nr;
static int parse_opt_signed_tag_mode(const struct option *opt,
const char *arg, int unset)
@@ -525,6 +528,15 @@ static void get_tags_and_duplicates(struct rev_cmdline_info *info)
if (dwim_ref(e->name, strlen(e->name), sha1, &full_name) != 1)
continue;
+ if (refspecs) {
+ char *private;
+ private = apply_refspecs(refspecs, refspecs_nr, full_name);
+ if (private) {
+ free(full_name);
+ full_name = private;
+ }
+ }
+
commit = get_commit(e, full_name);
if (!commit) {
warning("%s: Unexpected object of type %s, skipping.",
@@ -668,6 +680,7 @@ int cmd_fast_export(int argc, const char **argv, const char *prefix)
struct commit *commit;
char *export_filename = NULL, *import_filename = NULL;
uint32_t lastimportid;
+ struct string_list refspecs_list = STRING_LIST_INIT_NODUP;
struct option options[] = {
OPT_INTEGER(0, "progress", &progress,
N_("show progress after <n> objects")),
@@ -688,6 +701,8 @@ int cmd_fast_export(int argc, const char **argv, const char *prefix)
OPT_BOOL(0, "use-done-feature", &use_done_feature,
N_("Use the done feature to terminate the stream")),
OPT_BOOL(0, "no-data", &no_data, N_("Skip output of blob data")),
+ OPT_STRING_LIST(0, "refspec", &refspecs_list, N_("refspec"),
+ N_("Apply refspec to exported refs")),
OPT_END()
};
@@ -707,6 +722,21 @@ int cmd_fast_export(int argc, const char **argv, const char *prefix)
if (argc > 1)
usage_with_options (fast_export_usage, options);
+ if (refspecs_list.nr) {
+ const char **refspecs_str;
+ int i;
+
+ refspecs_str = xmalloc(sizeof(*refspecs_str) * refspecs_list.nr);
+ for (i = 0; i < refspecs_list.nr; i++)
+ refspecs_str[i] = refspecs_list.items[i].string;
+
+ refspecs_nr = refspecs_list.nr;
+ refspecs = parse_fetch_refspec(refspecs_nr, refspecs_str);
+
+ string_list_clear(&refspecs_list, 1);
+ free(refspecs_str);
+ }
+
if (use_done_feature)
printf("feature done\n");
@@ -741,5 +771,7 @@ int cmd_fast_export(int argc, const char **argv, const char *prefix)
if (use_done_feature)
printf("done\n");
+ free_refspec(refspecs_nr, refspecs);
+
return 0;
}
diff --git a/t/t9350-fast-export.sh b/t/t9350-fast-export.sh
index 2312dec..3d475af 100755
--- a/t/t9350-fast-export.sh
+++ b/t/t9350-fast-export.sh
@@ -504,4 +504,11 @@ test_expect_success 'refs are updated even if no commits need to be exported' '
test_cmp expected actual
'
+test_expect_success 'use refspec' '
+ git fast-export --refspec refs/heads/master:refs/heads/foobar master | \
+ grep "^commit " | sort | uniq > actual &&
+ echo "commit refs/heads/foobar" > expected &&
+ test_cmp expected actual
+'
+
test_done
--
1.9.1+fc3.9.gc73078e
Felipe Contreras