Add call to git_extract_argv0_path() to various programs

Programs that use git_config need to find the global configuration.
When runtime prefix computation is enabled, this requires that
git_extract_argv0_path() is called early in the program's main().

This commit adds the necessary calls.

http-push.c

@@ -2170,6 +2170,9 @@ int main(int argc, char **argv)
 	struct ref *ref;
 	char *rewritten_url = NULL;
 
+	if (argv[0] && *argv[0])
+		git_extract_argv0_path(argv[0]);
+
 	setup_git_directory();
 
 	remote = xcalloc(sizeof(*remote), 1);

imap-send.c

@@ -23,6 +23,7 @@
  */
 
 #include "cache.h"
+#include "exec_cmd.h"
 
 typedef struct store_conf {
 	char *name;
@@ -1293,6 +1294,9 @@ main(int argc, char **argv)
 	int r;
 	int total, n = 0;
 
+	if (argv[0] && *argv[0])
+		git_extract_argv0_path(argv[0]);
+
 	/* init the random number generator */
 	arc4_init();
 

merge-index.c

@@ -1,5 +1,6 @@
 #include "cache.h"
 #include "run-command.h"
+#include "exec_cmd.h"
 
 static const char *pgm;
 static const char *arguments[9];
@@ -93,6 +94,9 @@ int main(int argc, char **argv)
 	if (argc < 3)
 		usage("git-merge-index [-o] [-q] <merge-program> (-a | [--] <filename>*)");
 
+	if (argv[0] && *argv[0])
+		git_extract_argv0_path(argv[0]);
+
 	setup_git_directory();
 	read_cache();
 

merge-tree.c

@@ -2,6 +2,7 @@
 #include "tree-walk.h"
 #include "xdiff-interface.h"
 #include "blob.h"
+#include "exec_cmd.h"
 
 static const char merge_tree_usage[] = "git-merge-tree <base-tree> <branch1> <branch2>";
 static int resolve_directories = 1;
@@ -345,6 +346,9 @@ int main(int argc, char **argv)
 	if (argc != 4)
 		usage(merge_tree_usage);
 
+	if (argv[0] && *argv[0])
+		git_extract_argv0_path(argv[0]);
+
 	setup_git_directory();
 
 	buf1 = get_tree_descriptor(t+0, argv[1]);

mktag.c

@@ -1,5 +1,6 @@
 #include "cache.h"
 #include "tag.h"
+#include "exec_cmd.h"
 
 /*
  * A signature file has a very simple fixed format: four lines
@@ -159,6 +160,9 @@ int main(int argc, char **argv)
 	if (argc != 1)
 		usage("git-mktag < signaturefile");
 
+	if (argv[0] && *argv[0])
+		git_extract_argv0_path(argv[0]);
+
 	setup_git_directory();
 
 	strbuf_init(&buf, 0);

mktree.c

@@ -6,6 +6,7 @@
 #include "cache.h"
 #include "quote.h"
 #include "tree.h"
+#include "exec_cmd.h"
 
 static struct treeent {
 	unsigned mode;
@@ -70,6 +71,9 @@ int main(int ac, char **av)
 	unsigned char sha1[20];
 	int line_termination = '\n';
 
+	if (av[0] && *av[0])
+		git_extract_argv0_path(av[0]);
+
 	setup_git_directory();
 
 	while ((1 < ac) && av[1][0] == '-') {

pack-redundant.c

@@ -7,6 +7,7 @@
 */
 
 #include "cache.h"
+#include "exec_cmd.h"
 
 #define BLKSIZE 512
 
@@ -601,6 +602,9 @@ int main(int argc, char **argv)
 	unsigned char *sha1;
 	char buf[42]; /* 40 byte sha1 + \n + \0 */
 
+	if (argv[0] && *argv[0])
+		git_extract_argv0_path(argv[0]);
+
 	setup_git_directory();
 
 	for (i = 1; i < argc; i++) {

patch-id.c

@@ -1,4 +1,5 @@
 #include "cache.h"
+#include "exec_cmd.h"
 
 static void flush_current_id(int patchlen, unsigned char *id, SHA_CTX *c)
 {
@@ -79,6 +80,9 @@ int main(int argc, char **argv)
 	if (argc != 1)
 		usage(patch_id_usage);
 
+	if (argv[0] && *argv[0])
+		git_extract_argv0_path(argv[0]);
+
 	generate_id_list();
 	return 0;
 }

update-server-info.c

@@ -1,4 +1,5 @@
 #include "cache.h"
+#include "exec_cmd.h"
 
 static const char update_server_info_usage[] =
 "git update-server-info [--force]";
@@ -19,6 +20,9 @@ int main(int ac, char **av)
 	if (i != ac)
 		usage(update_server_info_usage);
 
+	if (av[0] && *av[0])
+		git_extract_argv0_path(av[0]);
+
 	setup_git_directory();
 
 	return !!update_server_info(force);