Merge branch 'aj/fix-read-tree-from-scratch'

diff --git a/builtin-commit.c b/builtin-commit.c
index 41e222d267ca952c3bc0c8d6b1e19c0171df0c62..4bcce06fbffdf10ec701dfbc0b6b90a11513f89e 100644 (file)
--- a/builtin-commit.c
+++ b/builtin-commit.c
@@ -434,12 +434,12 @@ static int prepare_to_commit(const char *index_file, const char *prefix)
                if (isatty(0))
                        fprintf(stderr, "(reading log message from standard input)\n");
                if (strbuf_read(&sb, 0, 0) < 0)
-                       die("could not read log from standard input");
+                       die_errno("could not read log from standard input");
                hook_arg1 = "message";
        } else if (logfile) {
                if (strbuf_read_file(&sb, logfile, 0) < 0)
-                       die("could not read log file '%s': %s",
-                           logfile, strerror(errno));
+                       die_errno("could not read log file '%s'",
+                                 logfile);
                hook_arg1 = "message";
        } else if (use_message) {
                buffer = strstr(use_message_buffer, "\n\n");
@@ -450,16 +450,15 @@ static int prepare_to_commit(const char *index_file, const char *prefix)
                hook_arg2 = use_message;
        } else if (!stat(git_path("MERGE_MSG"), &statbuf)) {
                if (strbuf_read_file(&sb, git_path("MERGE_MSG"), 0) < 0)
-                       die("could not read MERGE_MSG: %s", strerror(errno));
+                       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("could not read SQUASH_MSG: %s", strerror(errno));
+                       die_errno("could not read SQUASH_MSG");
                hook_arg1 = "squash";
        } else if (template_file && !stat(template_file, &statbuf)) {
                if (strbuf_read_file(&sb, template_file, 0) < 0)
-                       die("could not read %s: %s",
-                           template_file, strerror(errno));
+                       die_errno("could not read '%s'", template_file);
                hook_arg1 = "template";
        }
 
@@ -472,8 +471,7 @@ static int prepare_to_commit(const char *index_file, const char *prefix)
 
        fp = fopen(git_path(commit_editmsg), "w");
        if (fp == NULL)
-               die("could not open %s: %s",
-                   git_path(commit_editmsg), strerror(errno));
+               die_errno("could not open '%s'", git_path(commit_editmsg));
 
        if (cleanup_mode != CLEANUP_NONE)
                stripspace(&sb, 0);
@@ -497,7 +495,7 @@ static int prepare_to_commit(const char *index_file, const char *prefix)
        }
 
        if (fwrite(sb.buf, 1, sb.len, fp) < sb.len)
-               die("could not write commit template: %s", strerror(errno));
+               die_errno("could not write commit template");
 
        strbuf_release(&sb);
 
@@ -940,8 +938,8 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
                pptr = &commit_list_insert(lookup_commit(head_sha1), pptr)->next;
                fp = fopen(git_path("MERGE_HEAD"), "r");
                if (fp == NULL)
-                       die("could not open %s for reading: %s",
-                           git_path("MERGE_HEAD"), strerror(errno));
+                       die_errno("could not open '%s' for reading",
+                                 git_path("MERGE_HEAD"));
                while (strbuf_getline(&m, fp, '\n') != EOF) {
                        unsigned char sha1[20];
                        if (get_sha1_hex(m.buf, sha1) < 0)
@@ -952,8 +950,7 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
                strbuf_release(&m);
                if (!stat(git_path("MERGE_MODE"), &statbuf)) {
                        if (strbuf_read_file(&sb, git_path("MERGE_MODE"), 0) < 0)
-                               die("could not read MERGE_MODE: %s",
-                                               strerror(errno));
+                               die_errno("could not read MERGE_MODE");
                        if (!strcmp(sb.buf, "no-ff"))
                                allow_fast_forward = 0;
                }
@@ -967,8 +964,9 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
        /* Finally, get the commit message */
        strbuf_reset(&sb);
        if (strbuf_read_file(&sb, git_path(commit_editmsg), 0) < 0) {
+               int saved_errno = errno;
                rollback_index_files();
-               die("could not read commit message");
+               die("could not read commit message: %s", strerror(saved_errno));
        }
 
        /* Truncate the message just before the diff, if any. */