write_or_die: remove the unused write_or_whine() function

diff --git a/builtin/commit.c b/builtin/commit.c
index dca09e2c3bd8a839b27e279c427ebba71e88966e..e13303787a13aecf282ecd6b207f7f0c2a855cde 100644 (file)
--- a/builtin/commit.c
+++ b/builtin/commit.c
@@ -32,6 +32,7 @@
 #include "sequencer.h"
 #include "notes-utils.h"
 #include "mailmap.h"
+#include "sigchain.h"
 
 static const char * const builtin_commit_usage[] = {
        N_("git commit [<options>] [--] <pathspec>..."),
@@ -299,7 +300,7 @@ static void create_base_index(const struct commit *current_head)
        opts.dst_index = &the_index;
 
        opts.fn = oneway_merge;
-       tree = parse_tree_indirect(current_head->object.sha1);
+       tree = parse_tree_indirect(current_head->object.oid.hash);
        if (!tree)
                die(_("failed to unpack HEAD tree object"));
        parse_tree(tree);
@@ -693,7 +694,7 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
                }
        }
 
-       if (message.len) {
+       if (have_option_m) {
                strbuf_addbuf(&sb, &message);
                hook_arg1 = "message";
        } else if (logfile && !strcmp(logfile, "-")) {
@@ -725,9 +726,18 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
                                      &sb, &ctx);
                hook_arg1 = "message";
        } else if (!stat(git_path_merge_msg(), &statbuf)) {
+               /*
+                * prepend SQUASH_MSG here if it exists and a
+                * "merge --squash" was originally performed
+                */
+               if (!stat(git_path_squash_msg(), &statbuf)) {
+                       if (strbuf_read_file(&sb, git_path_squash_msg(), 0) < 0)
+                               die_errno(_("could not read SQUASH_MSG"));
+                       hook_arg1 = "squash";
+               } else
+                       hook_arg1 = "merge";
                if (strbuf_read_file(&sb, git_path_merge_msg(), 0) < 0)
                        die_errno(_("could not read MERGE_MSG"));
-               hook_arg1 = "merge";
        } else if (!stat(git_path_squash_msg(), &statbuf)) {
                if (strbuf_read_file(&sb, git_path_squash_msg(), 0) < 0)
                        die_errno(_("could not read SQUASH_MSG"));
@@ -760,7 +770,7 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
                hook_arg2 = "";
        }
 
-       s->fp = fopen(git_path(commit_editmsg), "w");
+       s->fp = fopen_for_writing(git_path(commit_editmsg));
        if (s->fp == NULL)
                die_errno(_("could not open '%s'"), git_path(commit_editmsg));
 
@@ -1161,9 +1171,9 @@ static int parse_and_validate_options(int argc, const char *argv[],
                f++;
        if (f > 1)
                die(_("Only one of -c/-C/-F/--fixup can be used."));
-       if (message.len && f > 0)
+       if (have_option_m && f > 0)
                die((_("Option -m cannot be combined with -c/-C/-F/--fixup.")));
-       if (f || message.len)
+       if (f || have_option_m)
                template_file = NULL;
        if (edit_message)
                use_message = edit_message;
@@ -1537,8 +1547,10 @@ static int run_rewrite_hook(const unsigned char *oldsha1,
                return code;
        n = snprintf(buf, sizeof(buf), "%s %s\n",
                     sha1_to_hex(oldsha1), sha1_to_hex(newsha1));
+       sigchain_push(SIGPIPE, SIG_IGN);
        write_in_full(proc.in, buf, n);
        close(proc.in);
+       sigchain_pop(SIGPIPE);
        return finish_command(&proc);
 }
 
@@ -1687,7 +1699,7 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
                if (fp == NULL)
                        die_errno(_("could not open '%s' for reading"),
                                  git_path_merge_head());
-               while (strbuf_getline(&m, fp, '\n') != EOF) {
+               while (strbuf_getline_lf(&m, fp) != EOF) {
                        struct commit *parent;
 
                        parent = get_merge_parent(m.buf);
@@ -1766,7 +1778,7 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
        if (!transaction ||
            ref_transaction_update(transaction, "HEAD", sha1,
                                   current_head
-                                  ? current_head->object.sha1 : null_sha1,
+                                  ? current_head->object.oid.hash : null_sha1,
                                   0, sb.buf, &err) ||
            ref_transaction_commit(transaction, &err)) {
                rollback_index_files();
@@ -1793,10 +1805,10 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
                cfg = init_copy_notes_for_rewrite("amend");
                if (cfg) {
                        /* we are amending, so current_head is not NULL */
-                       copy_note_for_rewrite(cfg, current_head->object.sha1, sha1);
+                       copy_note_for_rewrite(cfg, current_head->object.oid.hash, sha1);
                        finish_copy_notes_for_rewrite(cfg, "Notes added by 'git commit --amend'");
                }
-               run_rewrite_hook(current_head->object.sha1, sha1);
+               run_rewrite_hook(current_head->object.oid.hash, sha1);
        }
        if (!quiet)
                print_summary(prefix, sha1, !current_head);