Merge branch 'maint'

* maint:
  http.c: fix compiling with libcurl 7.9.2
  import-tars: support symlinks
  pull, rebase: simplify to use die()

Author: gitster

contrib/fast-import/import-tars.perl

@@ -82,10 +82,16 @@
 		$mtime = oct $mtime;
 		next if $typeflag == 5; # directory
 
-		print FI "blob\n", "mark :$next_mark\n", "data $size\n";
-		while ($size > 0 && read(I, $_, 512) == 512) {
-			print FI substr($_, 0, $size);
-			$size -= 512;
+		print FI "blob\n", "mark :$next_mark\n";
+		if ($typeflag == 2) { # symbolic link
+			print FI "data ", length($linkname), "\n", $linkname;
+			$mode = 0120000;
+		} else {
+			print FI "data $size\n";
+			while ($size > 0 && read(I, $_, 512) == 512) {
+				print FI substr($_, 0, $size);
+				$size -= 512;
+			}
 		}
 		print FI "\n";
 
@@ -118,7 +124,8 @@
 	{
 		my ($mark, $mode) = @{$files{$path}};
 		$path =~ s,^([^/]+)/,, if $have_top_dir;
-		printf FI "M %o :%i %s\n", $mode & 0111 ? 0755 : 0644, $mark, $path;
+		$mode = $mode & 0111 ? 0755 : 0644 unless $mode == 0120000;
+		printf FI "M %o :%i %s\n", $mode, $mark, $path;
 	}
 	print FI "\n";
 

git-pull.sh

@@ -176,13 +176,11 @@ case "$merge_head" in
 ?*' '?*)
 	if test -z "$orig_head"
 	then
-		echo >&2 "Cannot merge multiple branches into empty head"
-		exit 1
+		die "Cannot merge multiple branches into empty head"
 	fi
 	if test true = "$rebase"
 	then
-		echo >&2 "Cannot rebase onto multiple branches"
-		exit 1
+		die "Cannot rebase onto multiple branches"
 	fi
 	;;
 esac

git-rebase.sh

@@ -168,10 +168,8 @@ run_pre_rebase_hook () {
 	if test -z "$OK_TO_SKIP_PRE_REBASE" &&
 	   test -x "$GIT_DIR/hooks/pre-rebase"
 	then
-		"$GIT_DIR/hooks/pre-rebase" ${1+"$@"} || {
-			echo >&2 "The pre-rebase hook refused to rebase."
-			exit 1
-		}
+		"$GIT_DIR/hooks/pre-rebase" ${1+"$@"} ||
+		die "The pre-rebase hook refused to rebase."
 	fi
 }
 
@@ -359,8 +357,7 @@ fi
 
 # The tree must be really really clean.
 if ! git update-index --ignore-submodules --refresh; then
-	echo >&2 "cannot rebase: you have unstaged changes"
-	exit 1
+	die "cannot rebase: you have unstaged changes"
 fi
 diff=$(git diff-index --cached --name-status -r --ignore-submodules HEAD --)
 case "$diff" in

http.c

@@ -20,7 +20,7 @@ char curl_errorstr[CURL_ERROR_SIZE];
 
 static int curl_ssl_verify = -1;
 static const char *ssl_cert;
-#if LIBCURL_VERSION_NUM >= 0x070902
+#if LIBCURL_VERSION_NUM >= 0x070903
 static const char *ssl_key;
 #endif
 #if LIBCURL_VERSION_NUM >= 0x070908
@@ -126,7 +126,7 @@ static int http_options(const char *var, const char *value, void *cb)
 	}
 	if (!strcmp("http.sslcert", var))
 		return git_config_string(&ssl_cert, var, value);
-#if LIBCURL_VERSION_NUM >= 0x070902
+#if LIBCURL_VERSION_NUM >= 0x070903
 	if (!strcmp("http.sslkey", var))
 		return git_config_string(&ssl_key, var, value);
 #endif
@@ -196,7 +196,7 @@ static CURL *get_curl_handle(void)
 
 	if (ssl_cert != NULL)
 		curl_easy_setopt(result, CURLOPT_SSLCERT, ssl_cert);
-#if LIBCURL_VERSION_NUM >= 0x070902
+#if LIBCURL_VERSION_NUM >= 0x070903
 	if (ssl_key != NULL)
 		curl_easy_setopt(result, CURLOPT_SSLKEY, ssl_key);
 #endif
@@ -313,7 +313,7 @@ void http_init(struct remote *remote)
 		curl_ssl_verify = 0;
 
 	set_from_env(&ssl_cert, "GIT_SSL_CERT");
-#if LIBCURL_VERSION_NUM >= 0x070902
+#if LIBCURL_VERSION_NUM >= 0x070903
 	set_from_env(&ssl_key, "GIT_SSL_KEY");
 #endif
 #if LIBCURL_VERSION_NUM >= 0x070908