Merge branch 'jc/pull-signed-tag'
[git/git.git] / builtin / merge.c
index 99f1429..7349396 100644 (file)
@@ -26,6 +26,7 @@
 #include "merge-recursive.h"
 #include "resolve-undo.h"
 #include "remote.h"
+#include "fmt-merge-msg.h"
 
 #define DEFAULT_TWOHEAD (1<<0)
 #define DEFAULT_OCTOPUS (1<<1)
@@ -44,7 +45,7 @@ static const char * const builtin_merge_usage[] = {
        NULL
 };
 
-static int show_diffstat = 1, shortlog_len, squash;
+static int show_diffstat = 1, shortlog_len = -1, squash;
 static int option_commit = 1, allow_fast_forward = 1;
 static int fast_forward_only, option_edit;
 static int allow_trivial = 1, have_message;
@@ -316,13 +317,15 @@ static void squash_message(struct commit *commit)
        struct rev_info rev;
        struct strbuf out = STRBUF_INIT;
        struct commit_list *j;
+       const char *filename;
        int fd;
        struct pretty_print_context ctx = {0};
 
        printf(_("Squash commit -- not updating HEAD\n"));
-       fd = open(git_path("SQUASH_MSG"), O_WRONLY | O_CREAT, 0666);
+       filename = git_path("SQUASH_MSG");
+       fd = open(filename, O_WRONLY | O_CREAT, 0666);
        if (fd < 0)
-               die_errno(_("Could not write to '%s'"), git_path("SQUASH_MSG"));
+               die_errno(_("Could not write to '%s'"), filename);
 
        init_revisions(&rev, NULL);
        rev.ignore_merges = 1;
@@ -487,14 +490,16 @@ static void merge_name(const char *remote, struct strbuf *msg)
 
        if (!strcmp(remote, "FETCH_HEAD") &&
                        !access(git_path("FETCH_HEAD"), R_OK)) {
+               const char *filename;
                FILE *fp;
                struct strbuf line = STRBUF_INIT;
                char *ptr;
 
-               fp = fopen(git_path("FETCH_HEAD"), "r");
+               filename = git_path("FETCH_HEAD");
+               fp = fopen(filename, "r");
                if (!fp)
                        die_errno(_("could not open '%s' for reading"),
-                                 git_path("FETCH_HEAD"));
+                                 filename);
                strbuf_getline(&line, fp, '\n');
                fclose(fp);
                ptr = strstr(line.buf, "\tnot-for-merge\t");
@@ -533,6 +538,8 @@ static void parse_branch_merge_options(char *bmo)
 
 static int git_merge_config(const char *k, const char *v, void *cb)
 {
+       int status;
+
        if (branch && !prefixcmp(k, "branch.") &&
                !prefixcmp(k + 7, branch) &&
                !strcmp(k + 7 + strlen(branch), ".mergeoptions")) {
@@ -549,15 +556,7 @@ static int git_merge_config(const char *k, const char *v, void *cb)
                return git_config_string(&pull_octopus, k, v);
        else if (!strcmp(k, "merge.renormalize"))
                option_renormalize = git_config_bool(k, v);
-       else if (!strcmp(k, "merge.log") || !strcmp(k, "merge.summary")) {
-               int is_bool;
-               shortlog_len = git_config_bool_or_int(k, v, &is_bool);
-               if (!is_bool && shortlog_len < 0)
-                       return error(_("%s: negative length %s"), k, v);
-               if (is_bool && shortlog_len)
-                       shortlog_len = DEFAULT_MERGE_LOG_LEN;
-               return 0;
-       } else if (!strcmp(k, "merge.ff")) {
+       else if (!strcmp(k, "merge.ff")) {
                int boolval = git_config_maybe_bool(k, v);
                if (0 <= boolval) {
                        allow_fast_forward = boolval;
@@ -570,6 +569,9 @@ static int git_merge_config(const char *k, const char *v, void *cb)
                default_to_upstream = git_config_bool(k, v);
                return 0;
        }
+       status = fmt_merge_msg_config(k, v, cb);
+       if (status)
+               return status;
        return git_diff_ui_config(k, v, cb);
 }
 
@@ -766,7 +768,7 @@ int checkout_fast_forward(const unsigned char *head, const unsigned char *remote
        memset(&t, 0, sizeof(t));
        memset(&dir, 0, sizeof(dir));
        dir.flags |= DIR_SHOW_IGNORED;
-       dir.exclude_per_dir = ".gitignore";
+       setup_standard_excludes(&dir);
        opts.dir = &dir;
 
        opts.head_idx = 1;
@@ -842,20 +844,22 @@ static void add_strategies(const char *string, unsigned attr)
 
 static void write_merge_msg(struct strbuf *msg)
 {
-       int fd = open(git_path("MERGE_MSG"), O_WRONLY | O_CREAT, 0666);
+       const char *filename = git_path("MERGE_MSG");
+       int fd = open(filename, O_WRONLY | O_CREAT, 0666);
        if (fd < 0)
                die_errno(_("Could not open '%s' for writing"),
-                         git_path("MERGE_MSG"));
+                         filename);
        if (write_in_full(fd, msg->buf, msg->len) != msg->len)
-               die_errno(_("Could not write to '%s'"), git_path("MERGE_MSG"));
+               die_errno(_("Could not write to '%s'"), filename);
        close(fd);
 }
 
 static void read_merge_msg(struct strbuf *msg)
 {
+       const char *filename = git_path("MERGE_MSG");
        strbuf_reset(msg);
-       if (strbuf_read_file(msg, git_path("MERGE_MSG"), 0) < 0)
-               die_errno(_("Could not read from '%s'"), git_path("MERGE_MSG"));
+       if (strbuf_read_file(msg, filename, 0) < 0)
+               die_errno(_("Could not read from '%s'"), filename);
 }
 
 static void write_merge_state(void);
@@ -943,13 +947,14 @@ static int finish_automerge(struct commit *head,
 
 static int suggest_conflicts(int renormalizing)
 {
+       const char *filename;
        FILE *fp;
        int pos;
 
-       fp = fopen(git_path("MERGE_MSG"), "a");
+       filename = git_path("MERGE_MSG");
+       fp = fopen(filename, "a");
        if (!fp)
-               die_errno(_("Could not open '%s' for writing"),
-                         git_path("MERGE_MSG"));
+               die_errno(_("Could not open '%s' for writing"), filename);
        fprintf(fp, "\nConflicts:\n");
        for (pos = 0; pos < active_nr; pos++) {
                struct cache_entry *ce = active_cache[pos];
@@ -1041,6 +1046,7 @@ static int setup_with_upstream(const char ***argv)
 
 static void write_merge_state(void)
 {
+       const char *filename;
        int fd;
        struct commit_list *j;
        struct strbuf buf = STRBUF_INIT;
@@ -1055,24 +1061,25 @@ static void write_merge_state(void)
                }
                strbuf_addf(&buf, "%s\n", sha1_to_hex(sha1));
        }
-       fd = open(git_path("MERGE_HEAD"), O_WRONLY | O_CREAT, 0666);
+       filename = git_path("MERGE_HEAD");
+       fd = open(filename, O_WRONLY | O_CREAT, 0666);
        if (fd < 0)
-               die_errno(_("Could not open '%s' for writing"),
-                         git_path("MERGE_HEAD"));
+               die_errno(_("Could not open '%s' for writing"), filename);
        if (write_in_full(fd, buf.buf, buf.len) != buf.len)
-               die_errno(_("Could not write to '%s'"), git_path("MERGE_HEAD"));
+               die_errno(_("Could not write to '%s'"), filename);
        close(fd);
        strbuf_addch(&merge_msg, '\n');
        write_merge_msg(&merge_msg);
-       fd = open(git_path("MERGE_MODE"), O_WRONLY | O_CREAT | O_TRUNC, 0666);
+
+       filename = git_path("MERGE_MODE");
+       fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC, 0666);
        if (fd < 0)
-               die_errno(_("Could not open '%s' for writing"),
-                         git_path("MERGE_MODE"));
+               die_errno(_("Could not open '%s' for writing"), filename);
        strbuf_reset(&buf);
        if (!allow_fast_forward)
                strbuf_addf(&buf, "no-ff");
        if (write_in_full(fd, buf.buf, buf.len) != buf.len)
-               die_errno(_("Could not write to '%s'"), git_path("MERGE_MODE"));
+               die_errno(_("Could not write to '%s'"), filename);
        close(fd);
 }
 
@@ -1111,6 +1118,8 @@ int cmd_merge(int argc, const char **argv, const char *prefix)
                parse_branch_merge_options(branch_mergeoptions);
        argc = parse_options(argc, argv, prefix, builtin_merge_options,
                        builtin_merge_usage, 0);
+       if (shortlog_len < 0)
+               shortlog_len = (merge_log_config > 0) ? merge_log_config : 0;
 
        if (verbosity < 0 && show_progress == -1)
                show_progress = 0;
@@ -1162,9 +1171,12 @@ int cmd_merge(int argc, const char **argv, const char *prefix)
                die(_("You cannot combine --no-ff with --ff-only."));
 
        if (!abort_current_merge) {
-               if (!argc && default_to_upstream)
-                       argc = setup_with_upstream(&argv);
-               else if (argc == 1 && !strcmp(argv[0], "-"))
+               if (!argc) {
+                       if (default_to_upstream)
+                               argc = setup_with_upstream(&argv);
+                       else
+                               die(_("No commit specified and merge.defaultToUpstream not set."));
+               } else if (argc == 1 && !strcmp(argv[0], "-"))
                        argv[0] = "@{-1}";
        }
        if (!argc)