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-rw-r--r--updater/install.c32
1 files changed, 29 insertions, 3 deletions
diff --git a/updater/install.c b/updater/install.c
index f981017bf..ba27e9f33 100644
--- a/updater/install.c
+++ b/updater/install.c
@@ -456,6 +456,26 @@ Value* PackageExtractFileFn(const char* name, State* state,
}
}
+// Create all parent directories of name, if necessary.
+static int make_parents(char* name) {
+ char* p;
+ for (p = name + (strlen(name)-1); p > name; --p) {
+ if (*p != '/') continue;
+ *p = '\0';
+ if (make_parents(name) < 0) return -1;
+ int result = mkdir(name, 0700);
+ if (result == 0) fprintf(stderr, "symlink(): created [%s]\n", name);
+ *p = '/';
+ if (result == 0 || errno == EEXIST) {
+ // successfully created or already existed; we're done
+ return 0;
+ } else {
+ fprintf(stderr, "failed to mkdir %s: %s\n", name, strerror(errno));
+ return -1;
+ }
+ }
+ return 0;
+}
// symlink target src1 src2 ...
// unlinks any previously existing src1, src2, etc before creating symlinks.
@@ -483,6 +503,11 @@ Value* SymlinkFn(const char* name, State* state, int argc, Expr* argv[]) {
++bad;
}
}
+ if (make_parents(srcs[i])) {
+ fprintf(stderr, "%s: failed to symlink %s to %s: making parents failed\n",
+ name, srcs[i], target);
+ ++bad;
+ }
if (symlink(target, srcs[i]) < 0) {
fprintf(stderr, "%s: failed to symlink %s to %s: %s\n",
name, srcs[i], target, strerror(errno));
@@ -504,7 +529,8 @@ Value* SetPermFn(const char* name, State* state, int argc, Expr* argv[]) {
int min_args = 4 + (recursive ? 1 : 0);
if (argc < min_args) {
- return ErrorAbort(state, "%s() expects %d+ args, got %d", name, argc);
+ return ErrorAbort(state, "%s() expects %d+ args, got %d",
+ name, min_args, argc);
}
char** args = ReadVarArgs(state, argc, argv);
@@ -626,7 +652,7 @@ Value* FileGetPropFn(const char* name, State* state, int argc, Expr* argv[]) {
buffer = malloc(st.st_size+1);
if (buffer == NULL) {
- ErrorAbort(state, "%s: failed to alloc %d bytes", name, st.st_size+1);
+ ErrorAbort(state, "%s: failed to alloc %lld bytes", name, st.st_size+1);
goto done;
}
@@ -638,7 +664,7 @@ Value* FileGetPropFn(const char* name, State* state, int argc, Expr* argv[]) {
}
if (fread(buffer, 1, st.st_size, f) != st.st_size) {
- ErrorAbort(state, "%s: failed to read %d bytes from %s",
+ ErrorAbort(state, "%s: failed to read %lld bytes from %s",
name, st.st_size+1, filename);
fclose(f);
goto done;