[PATCH] config.c: Expand $HOME and tilde character in core.excludesfile
c* str_replace(): New function. Generic replace command.
* str_replace_home(): New funtion. Substitute $HOME and tilde(~) in string.
* git_default_config(): Pass core.excludesfile to str_replace_home().
Signed-off-by: Jari Aalto <jari.aalto AT cante.net>
---
From ac6941f5055b2acdded59627d228bbf03ba0d9fc
config.c | 44 +++++++++++++++++++++++++++++++++++++++++++-
1 files changed, 43 insertions(+), 1 deletions(-)
diff --git a/config.c b/config.c
index 526a3f4..7c91689 100644
--- a/config.c
+++ b/config.c
@@ -309,6 +309,46 @@ int git_config_bool(const char *name, const char *value)
return git_config_int(name, value) != 0;
}
+char *str_replace(const char *str, const char *find, const char *replace)
+{
+ int maxlen = strlen(str) + strlen(replace) + 1;
+ char *start = strstr(str, find);
+ char *ptr = (char *)malloc(maxlen);
+ int len = strlen(find);
+ int llen, rlen; /* left, right portion length */
+
+ if (start == (char *)NULL) {
+ strcpy( ptr, str);
+ }
+ else{
+ rlen = strlen(start) - strlen(find);
+ llen = strlen(str) - strlen(start);
+ strncpy( ptr, str, llen);
+ strcat( ptr, replace);
+ strncat( ptr, start + len, rlen); /* Does not add '\0' */
+ strcat( ptr, ""); /* Terminate with null string */
+ }
+
+ return ptr;
+}
+
+char *str_replace_home(const char *str)
+{
+ char *ret = xstrdup(str);
+ char *home = getenv("HOME");
+
+ if (home != (char *)NULL ) {
+ if (strstr(str, "~") != NULL) {
+ ret = str_replace(str, "~", home);
+ }
+ else if (strstr(str, "$HOME") != NULL) {
+ ret = str_replace(str, "$HOME", home);
+ }
+ }
+
+ return ret;
+}
+
int git_default_config(const char *var, const char *value)
{
/* This needs a better name */
@@ -447,7 +487,9 @@ int git_default_config(const char *var, const char *value)
if (!value)
die("core.excludesfile without value");
excludes_file = xstrdup(value);
- return 0;
+ /* expand $HOME and tilde(~) */
+ excludes_file = str_replace_home(excludes_file);
+ return 0;
}
if (!strcmp(var, "core.whitespace")) {
--
1.5.4-rc3.GIT