Lazily open pack index files on demand

diff --git a/ident.c b/ident.c
index b557ecd5397833ad14816e9fe61aa0880446303f..69a04b827d7805d9b29153e31e5489edb587690a 100644 (file)
--- a/ident.c
+++ b/ident.c
@@ -9,10 +9,10 @@
 
 static char git_default_date[50];
 
-static void copy_gecos(const struct passwd *w, char *name, int sz)
+static void copy_gecos(const struct passwd *w, char *name, size_t sz)
 {
        char *src, *dst;
-       int len, nlen;
+       size_t len, nlen;
 
        nlen = strlen(w->pw_name);
 
@@ -49,7 +49,7 @@ static void copy_email(const struct passwd *pw)
         * Make up a fake email address
         * (name + '@' + hostname [+ '.' + domainname])
         */
-       int len = strlen(pw->pw_name);
+       size_t len = strlen(pw->pw_name);
        if (len > sizeof(git_default_email)/2)
                die("Your sysadmin must hate you!");
        memcpy(git_default_email, pw->pw_name, len);
@@ -95,9 +95,9 @@ static void setup_ident(void)
                datestamp(git_default_date, sizeof(git_default_date));
 }
 
-static int add_raw(char *buf, int size, int offset, const char *str)
+static int add_raw(char *buf, size_t size, int offset, const char *str)
 {
-       int len = strlen(str);
+       size_t len = strlen(str);
        if (offset + len > size)
                return size;
        memcpy(buf + offset, str, len);
@@ -131,9 +131,9 @@ static int crud(unsigned char c)
  * Copy over a string to the destination, but avoid special
  * characters ('\n', '<' and '>') and remove crud at the end
  */
-static int copy(char *buf, int size, int offset, const char *src)
+static int copy(char *buf, size_t size, int offset, const char *src)
 {
-       int i, len;
+       size_t i, len;
        unsigned char c;
 
        /* Remove crud from the beginning.. */
@@ -195,6 +195,8 @@ const char *fmt_ident(const char *name, const char *email,
        setup_ident();
        if (!name)
                name = git_default_name;
+       if (!email)
+               email = getenv("EMAIL");
        if (!email)
                email = git_default_email;