@@ -91,3 +91,10 @@ fetch.writeCommitGraph::
merge and the write may take longer. Having an updated commit-graph
file helps performance of many Git commands, including `git merge-base`,
`git push -f`, and `git log --graph`. Defaults to false.
+
+fetch.writeFetchHEAD::
+ Setting it to false tells `git fetch` not to write the list
+ of remote refs fetched in the `FETCH_HEAD` file directly
+ under `$GIT_DIR`. Can be countermanded from the command
+ line with the `--[no-]write-fetch-head` option. Defaults to
+ true.
@@ -64,6 +64,16 @@ documented in linkgit:git-config[1].
--dry-run::
Show what would be done, without making any changes.
+ifndef::git-pull[]
+--[no-]write-fetch-head::
+ Write the list of remote refs fetched in the `FETCH_HEAD`
+ file directly under `$GIT_DIR`. This is the default unless
+ the configuration variable `fetch.writeFetchHEAD` is set to
+ false. Passing `--no-write-fetch-head` from the command
+ line tells Git not to write the file. Under `--dry-run`
+ option, the file is never written.
+endif::git-pull[]
+
-f::
--force::
When 'git fetch' is used with `<src>:<dst>` refspec it may
@@ -56,6 +56,7 @@ static int prune_tags = -1; /* unspecified */
#define PRUNE_TAGS_BY_DEFAULT 0 /* do we prune tags by default? */
static int all, append, dry_run, force, keep, multiple, update_head_ok;
+static int write_fetch_head = 1;
static int verbosity, deepen_relative, set_upstream;
static int progress = -1;
static int enable_auto_gc = 1;
@@ -118,6 +119,10 @@ static int git_fetch_config(const char *k, const char *v, void *cb)
return 0;
}
+ if (!strcmp(k, "fetch.writefetchhead")) {
+ write_fetch_head = git_config_bool(k, v);
+ return 0;
+ }
return git_default_config(k, v, cb);
}
@@ -162,6 +167,8 @@ static struct option builtin_fetch_options[] = {
PARSE_OPT_OPTARG, option_fetch_parse_recurse_submodules),
OPT_BOOL(0, "dry-run", &dry_run,
N_("dry run")),
+ OPT_BOOL(0, "write-fetch-head", &write_fetch_head,
+ N_("write fetched references to the FETCH_HEAD file")),
OPT_BOOL('k', "keep", &keep, N_("keep downloaded pack")),
OPT_BOOL('u', "update-head-ok", &update_head_ok,
N_("allow updating of HEAD ref")),
@@ -895,7 +902,9 @@ static int store_updated_refs(const char *raw_url, const char *remote_name,
const char *what, *kind;
struct ref *rm;
char *url;
- const char *filename = dry_run ? "/dev/null" : git_path_fetch_head(the_repository);
+ const char *filename = (!write_fetch_head
+ ? "/dev/null"
+ : git_path_fetch_head(the_repository));
int want_status;
int summary_width = transport_summary_width(ref_map);
@@ -1329,7 +1338,7 @@ static int do_fetch(struct transport *transport,
}
/* if not appending, truncate FETCH_HEAD */
- if (!append && !dry_run) {
+ if (!append && write_fetch_head) {
retcode = truncate_fetch_head();
if (retcode)
goto cleanup;
@@ -1596,7 +1605,7 @@ static int fetch_multiple(struct string_list *list, int max_children)
int i, result = 0;
struct strvec argv = STRVEC_INIT;
- if (!append && !dry_run) {
+ if (!append && write_fetch_head) {
int errcode = truncate_fetch_head();
if (errcode)
return errcode;
@@ -1797,6 +1806,10 @@ int cmd_fetch(int argc, const char **argv, const char *prefix)
if (depth || deepen_since || deepen_not.nr)
deepen = 1;
+ /* FETCH_HEAD never gets updated in --dry-run mode */
+ if (dry_run)
+ write_fetch_head = 0;
+
if (all) {
if (argc == 1)
die(_("fetch --all does not take a repository argument"));
@@ -527,7 +527,8 @@ static int run_fetch(const char *repo, const char **refspecs)
struct strvec args = STRVEC_INIT;
int ret;
- strvec_pushl(&args, "fetch", "--update-head-ok", NULL);
+ strvec_pushl(&args, "fetch", "--update-head-ok",
+ "--write-fetch-head", NULL);
/* Shared options */
argv_push_verbosity(&args);
@@ -539,13 +539,48 @@ test_expect_success 'fetch into the current branch with --update-head-ok' '
'
-test_expect_success 'fetch --dry-run' '
-
+test_expect_success 'fetch --dry-run does not touch FETCH_HEAD' '
rm -f .git/FETCH_HEAD &&
git fetch --dry-run . &&
! test -f .git/FETCH_HEAD
'
+test_expect_success '--no-write-fetch-head does not touch FETCH_HEAD' '
+ rm -f .git/FETCH_HEAD &&
+ git fetch --no-write-fetch-head . &&
+ ! test -f .git/FETCH_HEAD
+'
+
+test_expect_success '--write-fetch-head gets defeated by --dry-run' '
+ rm -f .git/FETCH_HEAD &&
+ git fetch --dry-run --write-fetch-head . &&
+ ! test -f .git/FETCH_HEAD
+'
+
+test_expect_success 'fetch.writeFetchHEAD and FETCH_HEAD' '
+ rm -f .git/FETCH_HEAD &&
+ git -c fetch.writeFetchHEAD=no fetch . &&
+ ! test -f .git/FETCH_HEAD
+'
+
+test_expect_success 'fetch.writeFetchHEAD gets defeated by --dry-run' '
+ rm -f .git/FETCH_HEAD &&
+ git -c fetch.writeFetchHEAD=yes fetch --dry-run . &&
+ ! test -f .git/FETCH_HEAD
+'
+
+test_expect_success 'fetch.writeFetchHEAD and --no-write-fetch-head' '
+ rm -f .git/FETCH_HEAD &&
+ git -c fetch.writeFetchHEAD=yes fetch --no-write-fetch-head . &&
+ ! test -f .git/FETCH_HEAD
+'
+
+test_expect_success 'fetch.writeFetchHEAD and --write-fetch-head' '
+ rm -f .git/FETCH_HEAD &&
+ git -c fetch.writeFetchHEAD=no fetch --write-fetch-head . &&
+ test -f .git/FETCH_HEAD
+'
+
test_expect_success "should be able to fetch with duplicate refspecs" '
mkdir dups &&
(
@@ -77,6 +77,7 @@ test_expect_success 'git pull -q -v --no-rebase' '
test_must_be_empty out &&
test -s err)
'
+
test_expect_success 'git pull --cleanup errors early on invalid argument' '
mkdir clonedcleanup &&
(cd clonedcleanup && git init &&
@@ -85,6 +86,21 @@ test_expect_success 'git pull --cleanup errors early on invalid argument' '
test -s err)
'
+test_expect_success 'git pull --no-write-fetch-head fails' '
+ mkdir clonedwfh &&
+ (cd clonedwfh && git init &&
+ test_must_fail git pull --no-write-fetch-head "../parent" >out 2>err &&
+ test_must_be_empty out &&
+ test_i18ngrep "no-write-fetch-head" err)
+'
+
+test_expect_success 'git pull succeeds with fetch.writeFetchHEAD=false' '
+ mkdir clonedwfhconfig &&
+ (cd clonedwfhconfig && git init &&
+ git config fetch.writeFetchHEAD false &&
+ git pull "../parent" >out 2>err &&
+ grep FETCH_HEAD err)
+'
test_expect_success 'git pull --force' '
mkdir clonedoldstyle &&