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fast-export: add new --refspec option

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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>
This commit is contained in:
Felipe Contreras 2014-04-20 13:59:24 -05:00 committed by Junio C Hamano
parent 8b2f86a761
commit 03e9010c66
3 changed files with 43 additions and 0 deletions
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4
Documentation/git-fast-export.txt
View file

@ -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

32
builtin/fast-export.c
View file

@ -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;
}

7
t/t9350-fast-export.sh
View file

@ -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