diff options
| -rw-r--r-- | Documentation/git-refs.txt | 11 | ||||
| -rw-r--r-- | builtin/refs.c | 3 | ||||
| -rw-r--r-- | refs.c | 8 | ||||
| -rw-r--r-- | refs.h | 5 | ||||
| -rwxr-xr-x | t/t1460-refs-migrate.sh | 28 |
5 files changed, 44 insertions, 11 deletions
diff --git a/Documentation/git-refs.txt b/Documentation/git-refs.txt index 9829984b0a..733ada7d51 100644 --- a/Documentation/git-refs.txt +++ b/Documentation/git-refs.txt @@ -8,9 +8,9 @@ git-refs - Low-level access to refs SYNOPSIS -------- -[verse] -'git refs migrate' --ref-format=<format> [--dry-run] -'git refs verify' [--strict] [--verbose] +[synopsis] +git refs migrate --ref-format=<format> [--no-reflog] [--dry-run] +git refs verify [--strict] [--verbose] DESCRIPTION ----------- @@ -43,6 +43,11 @@ include::ref-storage-format.txt[] can be used to double check that the migration works as expected before performing the actual migration. +--reflog:: +--no-reflog:: + Choose between migrating the reflog data to the new backend, + and discarding them. The default is "--reflog", to migrate. + The following options are specific to 'git refs verify': --strict:: diff --git a/builtin/refs.c b/builtin/refs.c index a29f195834..c459507d51 100644 --- a/builtin/refs.c +++ b/builtin/refs.c @@ -30,6 +30,9 @@ static int cmd_refs_migrate(int argc, const char **argv, const char *prefix, OPT_BIT(0, "dry-run", &flags, N_("perform a non-destructive dry-run"), REPO_MIGRATE_REF_STORAGE_FORMAT_DRYRUN), + OPT_BIT(0, "no-reflog", &flags, + N_("drop reflogs entirely during the migration"), + REPO_MIGRATE_REF_STORAGE_FORMAT_SKIP_REFLOG), OPT_END(), }; struct strbuf errbuf = STRBUF_INIT; @@ -3035,9 +3035,11 @@ int repo_migrate_ref_storage_format(struct repository *repo, if (ret < 0) goto done; - ret = refs_for_each_reflog(old_refs, migrate_one_reflog, &data); - if (ret < 0) - goto done; + if (!(flags & REPO_MIGRATE_REF_STORAGE_FORMAT_SKIP_REFLOG)) { + ret = refs_for_each_reflog(old_refs, migrate_one_reflog, &data); + if (ret < 0) + goto done; + } ret = ref_transaction_commit(transaction, errbuf); if (ret < 0) @@ -1157,8 +1157,11 @@ int is_pseudo_ref(const char *refname); * - REPO_MIGRATE_REF_STORAGE_FORMAT_DRYRUN: perform a dry-run migration * without touching the main repository. The result will be written into a * temporary ref storage directory. + * + * - REPO_MIGRATE_REF_STORAGE_FORMAT_SKIP_REFLOG: skip migration of reflogs. */ -#define REPO_MIGRATE_REF_STORAGE_FORMAT_DRYRUN (1 << 0) +#define REPO_MIGRATE_REF_STORAGE_FORMAT_DRYRUN (1 << 0) +#define REPO_MIGRATE_REF_STORAGE_FORMAT_SKIP_REFLOG (1 << 1) /* * Migrate the ref storage format used by the repository to the diff --git a/t/t1460-refs-migrate.sh b/t/t1460-refs-migrate.sh index a6d9b35a46..2ab97e1b7d 100755 --- a/t/t1460-refs-migrate.sh +++ b/t/t1460-refs-migrate.sh @@ -9,14 +9,21 @@ export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME # Migrate the provided repository from one format to the other and # verify that the references and logs are migrated over correctly. -# Usage: test_migration <repo> <format> <skip_reflog_verify> +# Usage: test_migration <repo> <format> [<skip_reflog_verify> [<options...>]] # <repo> is the relative path to the repo to be migrated. # <format> is the ref format to be migrated to. -# <skip_reflog_verify> (true or false) whether to skip reflog verification. +# <skip_reflog_verify> (default: false) whether to skip reflog verification. +# <options...> are other options be passed directly to 'git refs migrate'. test_migration () { repo=$1 && format=$2 && - skip_reflog_verify=${3:-false} && + shift 2 && + skip_reflog_verify=false && + if test $# -ge 1 + then + skip_reflog_verify=$1 + shift + fi && git -C "$repo" for-each-ref --include-root-refs \ --format='%(refname) %(objectname) %(symref)' >expect && if ! $skip_reflog_verify @@ -25,7 +32,7 @@ test_migration () { git -C "$repo" reflog list >expect_log_list fi && - git -C "$repo" refs migrate --ref-format="$2" && + git -C "$repo" refs migrate --ref-format="$format" "$@" && git -C "$repo" for-each-ref --include-root-refs \ --format='%(refname) %(objectname) %(symref)' >actual && @@ -241,6 +248,19 @@ do test_cmp expect.reflog actual.reflog ) ' + + test_expect_success "$from_format -> $to_format: skip reflog with --skip-reflog" ' + test_when_finished "rm -rf repo" && + git init --ref-format=$from_format repo && + test_commit -C repo initial && + # we see that the repository contains reflogs. + git -C repo reflog --all >reflogs && + test_line_count = 2 reflogs && + test_migration repo "$to_format" true --no-reflog && + # there should be no reflogs post migration. + git -C repo reflog --all >reflogs && + test_must_be_empty reflogs + ' done done |