diff options
Diffstat (limited to 'builtin/pull.c')
-rw-r--r-- | builtin/pull.c | 153 |
1 files changed, 114 insertions, 39 deletions
diff --git a/builtin/pull.c b/builtin/pull.c index 53bc5facfd..f1fa6db74e 100644 --- a/builtin/pull.c +++ b/builtin/pull.c @@ -5,15 +5,17 @@ * * Fetch one or more remote refs and merge it/them into the current HEAD. */ +#define USE_THE_INDEX_COMPATIBILITY_MACROS #include "cache.h" #include "config.h" #include "builtin.h" #include "parse-options.h" #include "exec-cmd.h" #include "run-command.h" -#include "sha1-array.h" +#include "oid-array.h" #include "remote.h" #include "dir.h" +#include "rebase.h" #include "refs.h" #include "refspec.h" #include "revision.h" @@ -22,15 +24,8 @@ #include "tempfile.h" #include "lockfile.h" #include "wt-status.h" - -enum rebase_type { - REBASE_INVALID = -1, - REBASE_FALSE = 0, - REBASE_TRUE, - REBASE_PRESERVE, - REBASE_MERGES, - REBASE_INTERACTIVE -}; +#include "commit-reach.h" +#include "sequencer.h" /** * Parses the value of --rebase. If value is a false value, returns @@ -42,18 +37,9 @@ enum rebase_type { static enum rebase_type parse_config_rebase(const char *key, const char *value, int fatal) { - int v = git_parse_maybe_bool(value); - - if (!v) - return REBASE_FALSE; - else if (v > 0) - return REBASE_TRUE; - else if (!strcmp(value, "preserve") || !strcmp(value, "p")) - return REBASE_PRESERVE; - else if (!strcmp(value, "merges") || !strcmp(value, "m")) - return REBASE_MERGES; - else if (!strcmp(value, "interactive") || !strcmp(value, "i")) - return REBASE_INTERACTIVE; + enum rebase_type v = rebase_parse_value(value); + if (v != REBASE_INVALID) + return v; if (fatal) die(_("Invalid value for %s: %s"), key, value); @@ -95,10 +81,12 @@ static char *opt_signoff; static char *opt_squash; static char *opt_commit; static char *opt_edit; +static char *cleanup_arg; static char *opt_ff; static char *opt_verify_signatures; static int opt_autostash = -1; static int config_autostash; +static int check_trust_level = 1; static struct argv_array opt_strategies = ARGV_ARRAY_INIT; static struct argv_array opt_strategy_opts = ARGV_ARRAY_INIT; static char *opt_gpg_sign; @@ -120,6 +108,9 @@ static char *opt_update_shallow; static char *opt_refmap; static char *opt_ipv4; static char *opt_ipv6; +static int opt_show_forced_updates = -1; +static char *set_upstream; +static struct argv_array opt_fetch = ARGV_ARRAY_INIT; static struct option pull_options[] = { /* Shared options */ @@ -135,7 +126,7 @@ static struct option pull_options[] = { /* Options passed to git-merge or git-rebase */ OPT_GROUP(N_("Options related to merging")), { OPTION_CALLBACK, 'r', "rebase", &opt_rebase, - "false|true|merges|preserve|interactive", + "(false|true|merges|preserve|interactive)", N_("incorporate changes by rebasing rather than merging"), PARSE_OPT_OPTARG, parse_opt_rebase }, OPT_PASSTHRU('n', NULL, &opt_diffstat, NULL, @@ -162,6 +153,7 @@ static struct option pull_options[] = { OPT_PASSTHRU(0, "edit", &opt_edit, NULL, N_("edit message before committing"), PARSE_OPT_NOARG), + OPT_CLEANUP(&cleanup_arg), OPT_PASSTHRU(0, "ff", &opt_ff, NULL, N_("allow fast-forward"), PARSE_OPT_NOARG), @@ -172,7 +164,7 @@ static struct option pull_options[] = { N_("verify that the named commit has a valid GPG signature"), PARSE_OPT_NOARG), OPT_BOOL(0, "autostash", &opt_autostash, - N_("automatically stash/stash pop before and after rebase")), + N_("automatically stash/stash pop before and after")), OPT_PASSTHRU_ARGV('s', "strategy", &opt_strategies, N_("strategy"), N_("merge strategy to use"), 0), @@ -216,6 +208,15 @@ static struct option pull_options[] = { OPT_PASSTHRU(0, "depth", &opt_depth, N_("depth"), N_("deepen history of shallow clone"), 0), + OPT_PASSTHRU_ARGV(0, "shallow-since", &opt_fetch, N_("time"), + N_("deepen history of shallow repository based on time"), + 0), + OPT_PASSTHRU_ARGV(0, "shallow-exclude", &opt_fetch, N_("revision"), + N_("deepen history of shallow clone, excluding rev"), + 0), + OPT_PASSTHRU_ARGV(0, "deepen", &opt_fetch, N_("n"), + N_("deepen history of shallow clone"), + 0), OPT_PASSTHRU(0, "unshallow", &opt_unshallow, NULL, N_("convert to a complete repository"), PARSE_OPT_NONEG | PARSE_OPT_NOARG), @@ -225,12 +226,24 @@ static struct option pull_options[] = { OPT_PASSTHRU(0, "refmap", &opt_refmap, N_("refmap"), N_("specify fetch refmap"), PARSE_OPT_NONEG), + OPT_PASSTHRU_ARGV('o', "server-option", &opt_fetch, + N_("server-specific"), + N_("option to transmit"), + 0), OPT_PASSTHRU('4', "ipv4", &opt_ipv4, NULL, N_("use IPv4 addresses only"), PARSE_OPT_NOARG), OPT_PASSTHRU('6', "ipv6", &opt_ipv6, NULL, N_("use IPv6 addresses only"), PARSE_OPT_NOARG), + OPT_PASSTHRU_ARGV(0, "negotiation-tip", &opt_fetch, N_("revision"), + N_("report that we have only objects reachable from this object"), + 0), + OPT_BOOL(0, "show-forced-updates", &opt_show_forced_updates, + N_("check for forced-updates on all updated branches")), + OPT_PASSTHRU(0, "set-upstream", &set_upstream, NULL, + N_("set upstream for git pull/fetch"), + PARSE_OPT_NOARG), OPT_END() }; @@ -331,6 +344,22 @@ static enum rebase_type config_get_rebase(void) if (!git_config_get_value("pull.rebase", &value)) return parse_config_rebase("pull.rebase", value, 1); + if (opt_verbosity >= 0 && + (!opt_ff || strcmp(opt_ff, "--ff-only"))) { + warning(_("Pulling without specifying how to reconcile divergent branches is\n" + "discouraged. You can squelch this message by running one of the following\n" + "commands sometime before your next pull:\n" + "\n" + " git config pull.rebase false # merge (the default strategy)\n" + " git config pull.rebase true # rebase\n" + " git config pull.ff only # fast-forward only\n" + "\n" + "You can replace \"git config\" with \"git config --global\" to set a default\n" + "preference for all repositories. You can also pass --rebase, --no-rebase,\n" + "or --ff-only on the command line to override the configured default per\n" + "invocation.\n")); + } + return REBASE_FALSE; } @@ -339,6 +368,8 @@ static enum rebase_type config_get_rebase(void) */ static int git_pull_config(const char *var, const char *value, void *cb) { + int status; + if (!strcmp(var, "rebase.autostash")) { config_autostash = git_config_bool(var, value); return 0; @@ -346,7 +377,14 @@ static int git_pull_config(const char *var, const char *value, void *cb) recurse_submodules = git_config_bool(var, value) ? RECURSE_SUBMODULES_ON : RECURSE_SUBMODULES_OFF; return 0; + } else if (!strcmp(var, "gpg.mintrustlevel")) { + check_trust_level = 0; } + + status = git_gpg_config(var, value, cb); + if (status) + return status; + return git_default_config(var, value, cb); } @@ -363,9 +401,10 @@ static void get_merge_heads(struct oid_array *merge_heads) fp = xfopen(filename, "r"); while (strbuf_getline_lf(&sb, fp) != EOF) { - if (get_oid_hex(sb.buf, &oid)) - continue; /* invalid line: does not start with SHA1 */ - if (starts_with(sb.buf + GIT_SHA1_HEXSZ, "\tnot-for-merge\t")) + const char *p; + if (parse_oid_hex(sb.buf, &oid, &p)) + continue; /* invalid line: does not start with object ID */ + if (starts_with(p, "\tnot-for-merge\t")) continue; /* ref is not-for-merge */ oid_array_append(merge_heads, &oid); } @@ -539,6 +578,13 @@ static int run_fetch(const char *repo, const char **refspecs) argv_array_push(&args, opt_ipv4); if (opt_ipv6) argv_array_push(&args, opt_ipv6); + if (opt_show_forced_updates > 0) + argv_array_push(&args, "--show-forced-updates"); + else if (opt_show_forced_updates == 0) + argv_array_push(&args, "--no-show-forced-updates"); + if (set_upstream) + argv_array_push(&args, set_upstream); + argv_array_pushv(&args, opt_fetch.argv); if (repo) { argv_array_push(&args, repo); @@ -556,13 +602,27 @@ static int run_fetch(const char *repo, const char **refspecs) static int pull_into_void(const struct object_id *merge_head, const struct object_id *curr_head) { + if (opt_verify_signatures) { + struct commit *commit; + + commit = lookup_commit(the_repository, merge_head); + if (!commit) + die(_("unable to access commit %s"), + oid_to_hex(merge_head)); + + verify_merge_signature(commit, opt_verbosity, + check_trust_level); + } + /* * Two-way merge: we treat the index as based on an empty tree, * and try to fast-forward to HEAD. This ensures we will not lose * index/worktree changes that the user already made on the unborn * branch. */ - if (checkout_fast_forward(the_hash_algo->empty_tree, merge_head, 0)) + if (checkout_fast_forward(the_repository, + the_hash_algo->empty_tree, + merge_head, 0)) return 1; if (update_ref("initial pull", "HEAD", merge_head, curr_head, 0, UPDATE_REFS_DIE_ON_ERR)) @@ -625,6 +685,8 @@ static int run_merge(void) argv_array_push(&args, opt_commit); if (opt_edit) argv_array_push(&args, opt_edit); + if (cleanup_arg) + argv_array_pushf(&args, "--cleanup=%s", cleanup_arg); if (opt_ff) argv_array_push(&args, opt_ff); if (opt_verify_signatures) @@ -633,6 +695,10 @@ static int run_merge(void) argv_array_pushv(&args, opt_strategy_opts.argv); if (opt_gpg_sign) argv_array_push(&args, opt_gpg_sign); + if (opt_autostash == 0) + argv_array_push(&args, "--no-autostash"); + else if (opt_autostash == 1) + argv_array_push(&args, "--autostash"); if (opt_allow_unrelated_histories > 0) argv_array_push(&args, "--allow-unrelated-histories"); @@ -741,7 +807,7 @@ static int get_rebase_fork_point(struct object_id *fork_point, const char *repo, cp.no_stderr = 1; cp.git_cmd = 1; - ret = capture_command(&cp, &sb, GIT_SHA1_HEXSZ); + ret = capture_command(&cp, &sb, GIT_MAX_HEXSZ); if (ret) goto cleanup; @@ -786,7 +852,7 @@ static int get_octopus_merge_base(struct object_id *merge_base, } /** - * Given the current HEAD SHA1, the merge head returned from git-fetch and the + * Given the current HEAD oid, the merge head returned from git-fetch and the * fork point calculated by get_rebase_fork_point(), runs git-rebase with the * appropriate arguments and returns its exit status. */ @@ -799,7 +865,7 @@ static int run_rebase(const struct object_id *curr_head, struct argv_array args = ARGV_ARRAY_INIT; if (!get_octopus_merge_base(&oct_merge_base, curr_head, merge_head, fork_point)) - if (!is_null_oid(fork_point) && !oidcmp(&oct_merge_base, fork_point)) + if (!is_null_oid(fork_point) && oideq(&oct_merge_base, fork_point)) fork_point = NULL; argv_array_push(&args, "rebase"); @@ -856,6 +922,13 @@ int cmd_pull(int argc, const char **argv, const char *prefix) argc = parse_options(argc, argv, prefix, pull_options, pull_usage, 0); + if (cleanup_arg) + /* + * this only checks the validity of cleanup_arg; we don't need + * a valid value for use_editor + */ + get_cleanup_mode(cleanup_arg, 0); + parse_repo_refspecs(argc, argv, &repo, &refspecs); if (!opt_ff) @@ -873,9 +946,6 @@ int cmd_pull(int argc, const char **argv, const char *prefix) if (get_oid("HEAD", &orig_head)) oidclr(&orig_head); - if (!opt_rebase && opt_autostash != -1) - die(_("--[no-]autostash option is only valid with --rebase.")); - autostash = config_autostash; if (opt_rebase) { if (opt_autostash != -1) @@ -885,7 +955,8 @@ int cmd_pull(int argc, const char **argv, const char *prefix) die(_("Updating an unborn branch with changes added to the index.")); if (!autostash) - require_clean_work_tree(N_("pull with rebase"), + require_clean_work_tree(the_repository, + N_("pull with rebase"), _("please commit or stash them."), 1, 0); if (get_rebase_fork_point(&rebase_fork_point, repo, *refspecs)) @@ -902,7 +973,7 @@ int cmd_pull(int argc, const char **argv, const char *prefix) oidclr(&curr_head); if (!is_null_oid(&orig_head) && !is_null_oid(&curr_head) && - oidcmp(&orig_head, &curr_head)) { + !oideq(&orig_head, &curr_head)) { /* * The fetch involved updating the current branch. * @@ -915,7 +986,8 @@ int cmd_pull(int argc, const char **argv, const char *prefix) "fast-forwarding your working tree from\n" "commit %s."), oid_to_hex(&orig_head)); - if (checkout_fast_forward(&orig_head, &curr_head, 0)) + if (checkout_fast_forward(the_repository, &orig_head, + &curr_head, 0)) die(_("Cannot fast-forward your working tree.\n" "After making sure that you saved anything precious from\n" "$ git diff %s\n" @@ -939,9 +1011,10 @@ int cmd_pull(int argc, const char **argv, const char *prefix) if (opt_rebase) { int ret = 0; + int ran_ff = 0; if ((recurse_submodules == RECURSE_SUBMODULES_ON || recurse_submodules == RECURSE_SUBMODULES_ON_DEMAND) && - submodule_touches_in_range(&rebase_fork_point, &curr_head)) + submodule_touches_in_range(the_repository, &rebase_fork_point, &curr_head)) die(_("cannot rebase with locally recorded submodule modifications")); if (!autostash) { struct commit_list *list = NULL; @@ -955,10 +1028,12 @@ int cmd_pull(int argc, const char **argv, const char *prefix) if (is_descendant_of(merge_head, list)) { /* we can fast-forward this without invoking rebase */ opt_ff = "--ff-only"; + ran_ff = 1; ret = run_merge(); } } - ret = run_rebase(&curr_head, merge_heads.oid, &rebase_fork_point); + if (!ran_ff) + ret = run_rebase(&curr_head, merge_heads.oid, &rebase_fork_point); if (!ret && (recurse_submodules == RECURSE_SUBMODULES_ON || recurse_submodules == RECURSE_SUBMODULES_ON_DEMAND)) |