From 12b28b3289c87b5fc9f27b837d3641b4e5d1cf11 Mon Sep 17 00:00:00 2001
From: tenox <as@tenoware.com>
Date: Tue, 24 Jan 2017 02:40:08 -0800
Subject: initial commit

---
 git.c | 157 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 157 insertions(+)
 create mode 100644 git.c

diff --git a/git.c b/git.c
new file mode 100644
index 0000000..3e729db
--- /dev/null
+++ b/git.c
@@ -0,0 +1,157 @@
+//
+// File Version Control with GIT
+//
+
+// TODO: recursive delete
+
+#ifdef WFMGIT
+#include <git2.h>
+#include "wfm.h"
+
+enum { ADD, DEL };
+
+git_repository *repo;
+
+void wfm_git_stage(int op, char *filename) {
+    git_index *index;
+    
+    git_repository_index(&index, repo);   
+    
+    if(op==ADD)
+        git_index_add_bypath(index, filename);                   
+    else if(op==DEL)
+        git_index_remove_bypath(index, filename);                   
+    else
+        return;
+
+    git_index_write(index);
+
+    git_index_free(index);
+
+    return;
+}
+
+
+void wfm_git_commit(char *msg) {
+    git_oid tree_oid, head_oid, commit_oid;
+    git_tree *tree;
+    git_commit *head_commit;
+    git_index *index;
+    git_signature *sig;
+    int ret;
+    char username[1024]={0};
+    char email[1024]={0};
+
+    snprintf(username, sizeof(username), "%s %s", basename(cgiScriptName), (strlen(loggedinuser)) ? loggedinuser:"(none)");
+    snprintf(email, sizeof(email), "%s@%s.wfm", (strlen(loggedinuser)) ? loggedinuser:"(none)", cgiRemoteAddr);
+
+    git_signature_now(&sig, username, email);        
+    
+
+    git_repository_index(&index, repo);                     
+    git_index_write_tree(&tree_oid, index);                  
+    git_tree_lookup(&tree, repo, &tree_oid);                 
+    ret=git_reference_name_to_id(&head_oid, repo, "HEAD");     
+
+    if(ret) {
+        git_commit_create_v(&commit_oid, repo, "HEAD", sig, sig, NULL, msg, tree, 0); 
+    }
+    else {
+        git_commit_lookup(&head_commit, repo, &head_oid);           
+        git_commit_create_v(&commit_oid, repo, "HEAD", sig, sig, NULL, msg, tree, 1, head_commit); 
+    }
+    
+    git_index_write(index);
+
+    git_tree_free(tree);
+    git_index_free(index);
+    git_signature_free(sig);
+    return;
+}
+#endif
+
+int wfm_commit(int op, char *fname) {
+#ifdef WFMGIT
+    int ret;
+    char repodir[sizeof(HOMEDIR)+10]={0};
+    char msg[1024];
+    char stage_filename_buf[1024]={0};
+    char *stage_filename=stage_filename_buf;
+    char stage_newname_buf[1024]={0};
+    char *stage_newname=stage_newname_buf;
+    char *opstr[]={ "Change", "Delete", "Move" };
+
+    if(op>2)
+        return 0;
+
+	git_libgit2_init();
+
+    snprintf(repodir, sizeof(repodir), "%s/.git", HOMEDIR);
+    ret=git_repository_open(&repo, repodir);                
+    if(ret)
+        return ret;
+
+    if(fname && strlen(fname)) 
+        strncpy(stage_filename_buf, fname, sizeof(stage_filename_buf));
+    else
+        strncpy(stage_filename_buf, phys_filename, sizeof(stage_filename_buf));
+    stage_filename+=strlen(HOMEDIR);
+    while(*stage_filename=='/')
+        stage_filename++;
+
+    if(op==MOVE) {
+        strncpy(stage_newname_buf, final_destination, sizeof(stage_newname_buf));
+        stage_newname+=strlen(HOMEDIR);
+        while(*stage_newname=='/')
+            stage_newname++;
+    }
+
+    snprintf(msg, sizeof(msg), 
+        "WFM %s Commit: "
+        "Filename=[%s%s%s] "
+        "Instance=[%s] "
+        "User=[%s] "
+        "RemoteIP=[%s]\n", 
+        opstr[op], 
+        stage_filename,
+        (op==MOVE) ? " => " : "",
+        (op==MOVE) ? stage_newname : "",
+        basename(cgiScriptName),
+        (strlen(loggedinuser)) ? loggedinuser:"(none)",
+        cgiRemoteAddr
+    );
+
+    if(op==CHANGE) {
+        wfm_git_stage(ADD, stage_filename);
+    }
+    else if(op==DELETE) {
+        wfm_git_stage(DEL, stage_filename);
+    }
+    else if(op==MOVE) {
+        wfm_git_stage(DEL, stage_filename);
+        wfm_git_stage(ADD, stage_newname);
+    }
+
+    wfm_git_commit(msg);
+    git_repository_free(repo);
+#endif
+    return 0;
+}
+
+
+
+int repo_check() {
+    int ret=1;
+#ifdef WFMGIT
+    char repodir[sizeof(HOMEDIR)+10]={0};
+
+	git_libgit2_init();
+
+    snprintf(repodir, sizeof(repodir), "%s/.git", HOMEDIR);
+    ret=git_repository_open(&repo, repodir);                
+    if(ret==0)
+        git_repository_free(repo);
+
+#endif
+    return ret;
+}
-- 
cgit v1.2.3