merge-recur: do not setenv("GIT_INDEX_FILE")

diff --git a/builtin-log.c b/builtin-log.c
index 52064cd178c2b705d6eec16de9f9a40eb4f5272b..82c69d1d0593156c5f7034746fe68f5a1a9f7276 100644 (file)
--- a/builtin-log.c
+++ b/builtin-log.c
@@ -16,7 +16,7 @@
 /* this is in builtin-diff.c */
 void add_head(struct rev_info *revs);
 
-static void cmd_log_init(int argc, const char **argv, char **envp,
+static void cmd_log_init(int argc, const char **argv, const char *prefix,
                      struct rev_info *rev)
 {
        rev->abbrev = DEFAULT_ABBREV;
@@ -45,26 +45,24 @@ static int cmd_log_walk(struct rev_info *rev)
        return 0;
 }
 
-int cmd_whatchanged(int argc, const char **argv, char **envp)
+int cmd_whatchanged(int argc, const char **argv, const char *prefix)
 {
        struct rev_info rev;
-       const char *prefix = setup_git_directory();
 
        git_config(git_diff_ui_config);
        init_revisions(&rev, prefix);
        rev.diff = 1;
        rev.diffopt.recursive = 1;
        rev.simplify_history = 0;
-       cmd_log_init(argc, argv, envp, &rev);
+       cmd_log_init(argc, argv, prefix, &rev);
        if (!rev.diffopt.output_format)
                rev.diffopt.output_format = DIFF_FORMAT_RAW;
        return cmd_log_walk(&rev);
 }
 
-int cmd_show(int argc, const char **argv, char **envp)
+int cmd_show(int argc, const char **argv, const char *prefix)
 {
        struct rev_info rev;
-       const char *prefix = setup_git_directory();
 
        git_config(git_diff_ui_config);
        init_revisions(&rev, prefix);
@@ -75,19 +73,18 @@ int cmd_show(int argc, const char **argv, char **envp)
        rev.always_show_header = 1;
        rev.ignore_merges = 0;
        rev.no_walk = 1;
-       cmd_log_init(argc, argv, envp, &rev);
+       cmd_log_init(argc, argv, prefix, &rev);
        return cmd_log_walk(&rev);
 }
 
-int cmd_log(int argc, const char **argv, char **envp)
+int cmd_log(int argc, const char **argv, const char *prefix)
 {
        struct rev_info rev;
-       const char *prefix = setup_git_directory();
 
        git_config(git_diff_ui_config);
        init_revisions(&rev, prefix);
        rev.always_show_header = 1;
-       cmd_log_init(argc, argv, envp, &rev);
+       cmd_log_init(argc, argv, prefix, &rev);
        return cmd_log_walk(&rev);
 }
 
@@ -181,14 +178,13 @@ static int get_patch_id(struct commit *commit, struct diff_options *options,
        return diff_flush_patch_id(options, sha1);
 }
 
-static void get_patch_ids(struct rev_info *rev, struct diff_options *options)
+static void get_patch_ids(struct rev_info *rev, struct diff_options *options, const char *prefix)
 {
        struct rev_info check_rev;
        struct commit *commit;
        struct object *o1, *o2;
        unsigned flags1, flags2;
        unsigned char sha1[20];
-       const char *prefix = setup_git_directory();
 
        if (rev->pending.nr != 2)
                die("Need exactly one range.");
@@ -244,7 +240,7 @@ static void gen_message_id(char *dest, unsigned int length, char *base)
                 (int)(email_end - email_start - 1), email_start + 1);
 }
 
-int cmd_format_patch(int argc, const char **argv, char **envp)
+int cmd_format_patch(int argc, const char **argv, const char *prefix)
 {
        struct commit *commit;
        struct commit **list = NULL;
@@ -261,7 +257,6 @@ int cmd_format_patch(int argc, const char **argv, char **envp)
        char *add_signoff = NULL;
        char message_id[1024];
        char ref_message_id[1024];
-       const char *prefix = setup_git_directory();
 
        git_config(git_format_config);
        init_revisions(&rev, prefix);
@@ -368,7 +363,7 @@ int cmd_format_patch(int argc, const char **argv, char **envp)
        }
 
        if (ignore_if_in_upstream)
-               get_patch_ids(&rev, &patch_id_opts);
+               get_patch_ids(&rev, &patch_id_opts, prefix);
 
        if (!use_stdout)
                realstdout = fdopen(dup(1), "w");