diff options
| -rw-r--r-- | Documentation/fetch-options.txt | 5 | ||||
| -rw-r--r-- | builtin-fetch.c | 14 |
2 files changed, 15 insertions, 4 deletions
diff --git a/Documentation/fetch-options.txt b/Documentation/fetch-options.txt index 500637a08b..ab6419fe6e 100644 --- a/Documentation/fetch-options.txt +++ b/Documentation/fetch-options.txt @@ -12,6 +12,11 @@ `git clone` with `--depth=<depth>` option (see linkgit:git-clone[1]) by the specified number of commits. +ifndef::git-pull[] +--dry-run:: + Show what would be done, without making any changes. +endif::git-pull[] + -f:: --force:: When 'git-fetch' is used with `<rbranch>:<lbranch>` diff --git a/builtin-fetch.c b/builtin-fetch.c index 81974ea363..76ec5eab48 100644 --- a/builtin-fetch.c +++ b/builtin-fetch.c @@ -26,7 +26,7 @@ enum { TAGS_SET = 2 }; -static int all, append, force, keep, multiple, prune, update_head_ok, verbosity; +static int all, append, dry_run, force, keep, multiple, prune, update_head_ok, verbosity; static int tags = TAGS_DEFAULT; static const char *depth; static const char *upload_pack; @@ -51,6 +51,8 @@ static struct option builtin_fetch_options[] = { "do not fetch all tags (--no-tags)", TAGS_UNSET), OPT_BOOLEAN('p', "prune", &prune, "prune tracking branches no longer on remote"), + OPT_BOOLEAN(0, "dry-run", &dry_run, + "dry run"), OPT_BOOLEAN('k', "keep", &keep, "keep downloaded pack"), OPT_BOOLEAN('u', "update-head-ok", &update_head_ok, "allow updating of HEAD ref"), @@ -187,6 +189,8 @@ static int s_update_ref(const char *action, char *rla = getenv("GIT_REFLOG_ACTION"); static struct ref_lock *lock; + if (dry_run) + return 0; if (!rla) rla = default_rla.buf; snprintf(msg, sizeof(msg), "%s: %s", rla, action); @@ -312,7 +316,7 @@ static int store_updated_refs(const char *raw_url, const char *remote_name, char note[1024]; const char *what, *kind; struct ref *rm; - char *url, *filename = git_path("FETCH_HEAD"); + char *url, *filename = dry_run ? "/dev/null" : git_path("FETCH_HEAD"); fp = fopen(filename, "a"); if (!fp) @@ -617,7 +621,7 @@ static int do_fetch(struct transport *transport, die("Don't know how to fetch from %s", transport->url); /* if not appending, truncate FETCH_HEAD */ - if (!append) { + if (!append && !dry_run) { char *filename = git_path("FETCH_HEAD"); FILE *fp = fopen(filename, "w"); if (!fp) @@ -725,9 +729,11 @@ static int add_remote_or_group(const char *name, struct string_list *list) static int fetch_multiple(struct string_list *list) { int i, result = 0; - const char *argv[] = { "fetch", NULL, NULL, NULL, NULL, NULL }; + const char *argv[] = { "fetch", NULL, NULL, NULL, NULL, NULL, NULL }; int argc = 1; + if (dry_run) + argv[argc++] = "--dry-run"; if (prune) argv[argc++] = "--prune"; if (verbosity >= 2) |