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authorLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-07 22:13:13 (GMT)
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-07 22:13:13 (GMT)
commite83c5163316f89bfbde7d9ab23ca2e25604af290 (patch)
tree2b5bfdf7798569e0b59b16eb9602d5fa572d6038 /init-db.c
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Initial revision of "git", the information manager from hell
Diffstat (limited to 'init-db.c')
-rw-r--r--init-db.c51
1 files changed, 51 insertions, 0 deletions
diff --git a/init-db.c b/init-db.c
new file mode 100644
index 0000000..25dc13f
--- /dev/null
+++ b/init-db.c
@@ -0,0 +1,51 @@
+#include "cache.h"
+
+int main(int argc, char **argv)
+{
+ char *sha1_dir = getenv(DB_ENVIRONMENT), *path;
+ int len, i, fd;
+
+ if (mkdir(".dircache", 0700) < 0) {
+ perror("unable to create .dircache");
+ exit(1);
+ }
+
+ /*
+ * If you want to, you can share the DB area with any number of branches.
+ * That has advantages: you can save space by sharing all the SHA1 objects.
+ * On the other hand, it might just make lookup slower and messier. You
+ * be the judge.
+ */
+ sha1_dir = getenv(DB_ENVIRONMENT);
+ if (sha1_dir) {
+ struct stat st;
+ if (!stat(sha1_dir, &st) < 0 && S_ISDIR(st.st_mode))
+ return;
+ fprintf(stderr, "DB_ENVIRONMENT set to bad directory %s: ", sha1_dir);
+ }
+
+ /*
+ * The default case is to have a DB per managed directory.
+ */
+ sha1_dir = DEFAULT_DB_ENVIRONMENT;
+ fprintf(stderr, "defaulting to private storage area\n");
+ len = strlen(sha1_dir);
+ if (mkdir(sha1_dir, 0700) < 0) {
+ if (errno != EEXIST) {
+ perror(sha1_dir);
+ exit(1);
+ }
+ }
+ path = malloc(len + 40);
+ memcpy(path, sha1_dir, len);
+ for (i = 0; i < 256; i++) {
+ sprintf(path+len, "/%02x", i);
+ if (mkdir(path, 0700) < 0) {
+ if (errno != EEXIST) {
+ perror(path);
+ exit(1);
+ }
+ }
+ }
+ return 0;
+}