/*
** Copyright (c) 2007 D. Richard Hipp
**
** This program is free software; you can redistribute it and/or
** modify it under the terms of the GNU General Public
** License version 2 as published by the Free Software Foundation.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
** General Public License for more details.
**
** You should have received a copy of the GNU General Public
** License along with this library; if not, write to the
** Free Software Foundation, Inc., 59 Temple Place - Suite 330,
** Boston, MA 02111-1307, USA.
**
** Author contact information:
** drh@hwaci.com
** http://www.hwaci.com/drh/
**
*******************************************************************************
**
** This file contains code used to check-out versions of the project
** from the local repository.
*/
#include "config.h"
#include "checkin.h"
#include <assert.h>
/*
** Generate text describing all changes. Prepend zPrefix to each line
** of output.
**
** We assume that vfile_check_signature has been run.
*/
static void status_report(Blob *report, const char *zPrefix){
Stmt q;
int nPrefix = strlen(zPrefix);
db_prepare(&q,
"SELECT pathname, deleted, chnged, rid FROM vfile "
"WHERE file_is_selected(id) AND (chnged OR deleted OR rid=0) ORDER BY 1"
);
while( db_step(&q)==SQLITE_ROW ){
const char *zPathname = db_column_text(&q,0);
int isDeleted = db_column_int(&q, 1);
int isChnged = db_column_int(&q,2);
int isNew = db_column_int(&q,3)==0;
blob_append(report, zPrefix, nPrefix);
if( isNew ){
blob_appendf(report, "ADDED %s\n", zPathname);
}else if( isDeleted ){
blob_appendf(report, "DELETED %s\n", zPathname);
}else if( isChnged==2 ){
blob_appendf(report, "UPDATED_BY_MERGE %s\n", zPathname);
}else if( isChnged==3 ){
blob_appendf(report, "ADDED_BY_MERGE %s\n", zPathname);
}else{
blob_appendf(report, "EDITED %s\n", zPathname);
}
}
db_finalize(&q);
db_prepare(&q, "SELECT uuid FROM vmerge JOIN blob ON merge=rid"
" WHERE id=0");
while( db_step(&q)==SQLITE_ROW ){
blob_append(report, zPrefix, nPrefix);
blob_appendf(report, "MERGED_WITH %s\n", db_column_text(&q, 0));
}
db_finalize(&q);
}
/*
** COMMAND: changes
**
** Usage: %fossil changes
** Report on the edit status of all files in the current checkout.
** See also the "status" and "extra" commands.
*/
void changes_cmd(void){
Blob report;
int vid;
db_must_be_within_tree();
blob_zero(&report);
vid = db_lget_int("checkout", 0);
vfile_check_signature(vid);
status_report(&report, "");
blob_write_to_file(&report, "-");
}
/*
** COMMAND: status
** Usage: %fossil status
** Report on the status of the current checkout.
*/
void status_cmd(void){
int vid;
db_must_be_within_tree();
/* 012345678901234 */
printf("repository: %s\n", db_lget("repository",""));
printf("local-root: %s\n", g.zLocalRoot);
printf("server-code: %s\n", db_get("server-code", ""));
vid = db_lget_int("checkout", 0);
if( vid ){
show_common_info(vid, "checkout:", 0);
}
changes_cmd();
}
/*
** COMMAND: ls
** Usage: %fossil ls
** Show the names of all files in the current checkout
*/
void ls_cmd(void){
int vid;
Stmt q;
db_must_be_within_tree();
vid = db_lget_int("checkout", 0);
vfile_check_signature(vid);
db_prepare(&q, "SELECT pathname, deleted, rid, chnged FROM vfile"
" ORDER BY 1");
while( db_step(&q)==SQLITE_ROW ){
const char *zPathname = db_column_text(&q,0);
int isDeleted = db_column_int(&q, 1);
int isNew = db_column_int(&q,2)==0;
int chnged = db_column_int(&q,3);
if( isNew ){
printf("ADDED %s\n", zPathname);
}else if( isDeleted ){
printf("DELETED %s\n", zPathname);
}else if( chnged ){
printf("EDITED %s\n", zPathname);
}else{
printf("UNCHANGED %s\n", zPathname);
}
}
db_finalize(&q);
}
/*
** COMMAND: extra
** Usage: %fossil extra
** Print a list of all files in the source tree that are not part of
** the current checkout. See also the "clean" command.
*/
void extra_cmd(void){
Blob path;
Stmt q;
db_must_be_within_tree();
db_multi_exec("CREATE TEMP TABLE sfile(x TEXT PRIMARY KEY)");
chdir(g.zLocalRoot);
blob_zero(&path);
vfile_scan(0, &path);
db_prepare(&q,
"SELECT x FROM sfile"
" WHERE x NOT IN ('manifest','manifest.uuid','_FOSSIL_')"
" ORDER BY 1");
while( db_step(&q)==SQLITE_ROW ){
printf("%s\n", db_column_text(&q, 0));
}
db_finalize(&q);
}
/*
** COMMAND: clean
** Usage: %fossil clean ?-all
** Delete all "extra" files in the source tree. "Extra" files are
** files that are not officially part of the checkout. See also
** the "extra" command. This operation cannot be undone.
**
** You will be prompted before removing each file. If you are
** sure you wish to remove all "extra" files you can specify the
** optional -all flag.
*/
void clean_cmd(void){
int allFlag;
Blob path;
Stmt q;
allFlag = find_option("all","a",0)!=0;
db_must_be_within_tree();
db_multi_exec("CREATE TEMP TABLE sfile(x TEXT PRIMARY KEY)");
chdir(g.zLocalRoot);
blob_zero(&path);
vfile_scan(0, &path);
db_prepare(&q,
"SELECT %Q || x FROM sfile"
" WHERE x NOT IN ('manifest','manifest.uuid','_FOSSIL_')"
" ORDER BY 1", g.zLocalRoot);
while( db_step(&q)==SQLITE_ROW ){
if( allFlag ){
unlink(db_column_text(&q, 0));
continue;
}
Blob ans;
char *prompt = mprintf("remove unmanaged file \"%s\" [y/N]? ",
db_column_text(&q, 0));
blob_zero(&ans);
prompt_user(prompt, &ans);
if( blob_str(&ans)[0]=='y' ){
unlink(db_column_text(&q, 0));
}
}
db_finalize(&q);
}
/*
** Prepare a commit comment. Let the user modify it using the
** editor specified in the global_config table or either
** the VISUAL or EDITOR environment variable.
**
** Store the final commit comment in pComment. pComment is assumed
** to be uninitialized - any prior content is overwritten.
*/
static void prepare_commit_comment(Blob *pComment){
const char *zEditor;
char *zCmd;
char *zFile;
Blob text, line;
char *zComment;
int i;
blob_set(&text,
"\n# Enter comments on this commit. Lines beginning with # are ignored\n"
"#\n"
);
status_report(&text, "# ");
zEditor = db_global_get("editor", 0);
if( zEditor==0 ){
zEditor = getenv("VISUAL");
}
if( zEditor==0 ){
zEditor = getenv("EDITOR");
}
if( zEditor==0 ){
zEditor = "ed";
}
zFile = db_text(0, "SELECT '%qci-comment-' || hex(randomblob(6)) || '.txt'",
g.zLocalRoot);
blob_write_to_file(&text, zFile);
zCmd = mprintf("%s \"%s\"", zEditor, zFile);
printf("%s\n", zCmd);
if( system(zCmd) ){
fossil_panic("editor aborted");
}
blob_reset(&text);
blob_read_from_file(&text, zFile);
unlink(zFile);
free(zFile);
blob_zero(pComment);
while( blob_line(&text, &line) ){
int i, n;
char *z;
n = blob_size(&line);
z = blob_buffer(&line);
for(i=0; i<n && isspace(z[i]); i++){}
if( i<n && z[i]=='#' ) continue;
if( i<n || blob_size(pComment)>0 ){
blob_appendf(pComment, "%b", &line);
}
}
blob_reset(&text);
zComment = blob_str(pComment);
i = strlen(zComment);
while( i>0 && isspace(zComment[i-1]) ){ i--; }
blob_resize(pComment, i);
}
/*
** Populate the Global.aCommitFile[] based on the command line arguments
** to a [commit] command. Global.aCommitFile is an array of integers
** sized at (N+1), where N is the number of arguments passed to [commit].
** The contents are the [id] values from the vfile table corresponding
** to the filenames passed as arguments.
**
** The last element of aCommitFile[] is always 0 - indicating the end
** of the array.
**
** If there were no arguments passed to [commit], aCommitFile is not
** allocated and remains NULL. Other parts of the code interpret this
** to mean "all files".
*/
void select_commit_files(void){
if( g.argc>2 ){
int ii;
Blob b;
blob_zero(&b);
g.aCommitFile = malloc(sizeof(int)*(g.argc-1));
for(ii=2; ii<g.argc; ii++){
int iId;
if( !file_tree_name(g.argv[ii], &b) ){
fossil_fatal("file is not in tree: %s", g.argv[ii]);
}
iId = db_int(-1, "SELECT id FROM vfile WHERE pathname=%Q", blob_str(&b));
if( iId<0 ){
fossil_fatal("fossil knows nothing about: %s", g.argv[ii]);
}
g.aCommitFile[ii-2] = iId;
blob_reset(&b);
}
g.aCommitFile[ii-2] = 0;
}
}
/*
** COMMAND: commit
**
** Usage: %fossil commit ?-m COMMENT? ?--nosign? ?FILE...?
**
** Create a new version containing all of the changes in the current
** checkout. You will be prompted to enter a check-in comment unless
** the "-m" option is used to specify a command line. You will be
** prompted for your GPG passphrase in order to sign the new manifest
** unless the "--nosign" options is used. All files that have
** changed will be committed unless some subset of files is specified
** on the command line.
*/
void commit_cmd(void){
int rc;
int vid, nrid, nvid;
Blob comment;
const char *zComment;
Stmt q;
Stmt q2;
char *zUuid, *zDate;
int noSign = 0; /* True to omit signing the manifest using GPG */
int isAMerge = 0; /* True if checking in a merge */
char *zManifestFile; /* Name of the manifest file */
Blob manifest;
Blob muuid; /* Manifest uuid */
Blob mcksum; /* Self-checksum on the manifest */
Blob cksum1, cksum2; /* Before and after commit checksums */
Blob cksum1b; /* Checksum recorded in the manifest */
noSign = find_option("nosign","",0)!=0;
zComment = find_option("comment","m",1);
db_must_be_within_tree();
noSign = db_get_int("omit-ci-sig", 0)|noSign;
verify_all_options();
/* There are two ways this command may be executed. If there are
** no arguments following the word "commit", then all modified files
** in the checked out directory are committed. If one or more arguments
** follows "commit", then only those files are committed.
**
** After the following function call has returned, the Global.aCommitFile[]
** array is allocated to contain the "id" field from the vfile table
** for each file to be committed. Or, if aCommitFile is NULL, all files
** should be committed.
*/
select_commit_files();
isAMerge = db_exists("SELECT 1 FROM vmerge");
if( g.aCommitFile && isAMerge ){
fossil_fatal("cannot do a partial commit of a merge");
}
user_select();
db_begin_transaction();
rc = unsaved_changes();
if( rc==0 && !isAMerge ){
fossil_panic("nothing has changed");
}
/* If one or more files that were named on the command line have not
** been modified, bail out now.
*/
if( g.aCommitFile ){
Blob unmodified;
memset(&unmodified, 0, sizeof(Blob));
blob_init(&unmodified, 0, 0);
db_blob(&unmodified,
"SELECT pathname FROM vfile WHERE chnged = 0 AND file_is_selected(id)"
);
if( strlen(blob_str(&unmodified)) ){
fossil_panic("file %s has not changed", blob_str(&unmodified));
}
}
vid = db_lget_int("checkout", 0);
vfile_aggregate_checksum_disk(vid, &cksum1);
if( zComment ){
blob_zero(&comment);
blob_append(&comment, zComment, -1);
}else{
prepare_commit_comment(&comment);
}
/* Step 1: Insert records for all modified files into the blob
** table. If there were arguments passed to this command, only
** the identified fils are inserted (if they have been modified).
*/
db_prepare(&q,
"SELECT id, %Q || pathname, mrid FROM vfile "
"WHERE chnged==1 AND NOT deleted AND file_is_selected(id)"
, g.zLocalRoot
);
while( db_step(&q)==SQLITE_ROW ){
int id, rid;
const char *zFullname;
Blob content;
id = db_column_int(&q, 0);
zFullname = db_column_text(&q, 1);
rid = db_column_int(&q, 2);
blob_zero(&content);
blob_read_from_file(&content, zFullname);
nrid = content_put(&content, 0, 0);
if( rid>0 ){
content_deltify(rid, nrid, 0);
}
db_multi_exec("UPDATE vfile SET mrid=%d, rid=%d WHERE id=%d", nrid,nrid,id);
db_multi_exec("INSERT OR IGNORE INTO unsent VALUES(%d)", nrid);
}
db_finalize(&q);
/* Create the manifest */
blob_zero(&manifest);
if( blob_size(&comment)==0 ){
blob_append(&comment, "(no comment)", -1);
}
blob_appendf(&manifest, "C %F\n", blob_str(&comment));
zDate = db_text(0, "SELECT datetime('now')");
zDate[10] = 'T';
blob_appendf(&manifest, "D %s\n", zDate);
db_prepare(&q,
"SELECT pathname, uuid FROM vfile JOIN blob ON vfile.mrid=blob.rid"
" WHERE NOT deleted AND vfile.vid=%d"
" ORDER BY 1", vid);
while( db_step(&q)==SQLITE_ROW ){
const char *zName = db_column_text(&q, 0);
const char *zUuid = db_column_text(&q, 1);
blob_appendf(&manifest, "F %F %s\n", zName, zUuid);
}
db_finalize(&q);
zUuid = db_text(0, "SELECT uuid FROM blob WHERE rid=%d", vid);
blob_appendf(&manifest, "P %s", zUuid);
db_prepare(&q2, "SELECT merge FROM vmerge WHERE id=:id");
db_bind_int(&q2, ":id", 0);
while( db_step(&q2)==SQLITE_ROW ){
int mid = db_column_int(&q2, 0);
zUuid = db_text(0, "SELECT uuid FROM blob WHERE rid=%d", mid);
if( zUuid ){
blob_appendf(&manifest, " %s", zUuid);
free(zUuid);
}
}
db_reset(&q2);
blob_appendf(&manifest, "\n");
blob_appendf(&manifest, "R %b\n", &cksum1);
blob_appendf(&manifest, "U %F\n", g.zLogin);
md5sum_blob(&manifest, &mcksum);
blob_appendf(&manifest, "Z %b\n", &mcksum);
zManifestFile = mprintf("%smanifest", g.zLocalRoot);
if( !noSign && clearsign(&manifest, &manifest) ){
Blob ans;
blob_zero(&ans);
prompt_user("unable to sign manifest. continue [y/N]? ", &ans);
if( blob_str(&ans)[0]!='y' ){
db_end_transaction(1);
exit(1);
}
}
blob_write_to_file(&manifest, zManifestFile);
blob_reset(&manifest);
blob_read_from_file(&manifest, zManifestFile);
free(zManifestFile);
nvid = content_put(&manifest, 0, 0);
if( nvid==0 ){
fossil_panic("trouble committing manifest: %s", g.zErrMsg);
}
db_multi_exec("INSERT OR IGNORE INTO unsent VALUES(%d)", nvid);
manifest_crosslink(nvid, &manifest);
content_deltify(vid, nvid, 0);
zUuid = db_text(0, "SELECT uuid FROM blob WHERE rid=%d", nvid);
printf("New_Version: %s\n", zUuid);
zManifestFile = mprintf("%smanifest.uuid", g.zLocalRoot);
blob_zero(&muuid);
blob_appendf(&muuid, "%s\n", zUuid);
blob_write_to_file(&muuid, zManifestFile);
free(zManifestFile);
blob_reset(&muuid);
/* Update the vfile and vmerge tables */
db_multi_exec(
"DELETE FROM vfile WHERE (vid!=%d OR deleted) AND file_is_selected(id);"
"DELETE FROM vmerge WHERE file_is_selected(id) OR id=0;"
"UPDATE vfile SET vid=%d;"
"UPDATE vfile SET rid=mrid, chnged=0, deleted=0 WHERE file_is_selected(id);"
, vid, nvid
);
db_lset_int("checkout", nvid);
/* Verify that the repository checksum matches the expected checksum
** calculated before the checkin started (and stored as the R record
** of the manifest file).
*/
vfile_aggregate_checksum_repository(nvid, &cksum2);
if( blob_compare(&cksum1, &cksum2) ){
fossil_panic("tree checksum does not match repository after commit");
}
/* Verify that the manifest checksum matches the expected checksum */
vfile_aggregate_checksum_manifest(nvid, &cksum2, &cksum1b);
if( blob_compare(&cksum1, &cksum1b) ){
fossil_panic("manifest checksum does not agree with manifest: "
"%b versus %b", &cksum1, &cksum1b);
}
if( blob_compare(&cksum1, &cksum2) ){
fossil_panic("tree checksum does not match manifest after commit: "
"%b versus %b", &cksum1, &cksum2);
}
/* Verify that the commit did not modify any disk images. */
vfile_aggregate_checksum_disk(nvid, &cksum2);
if( blob_compare(&cksum1, &cksum2) ){
fossil_panic("tree checksums before and after commit do not match");
}
/* Clear the undo/redo stack */
undo_reset();
/* Commit */
db_end_transaction(0);
}