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Only use the new index if there are staged changes that need to be preserved

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This commit is contained in:
Wyk3d 2008-12-29 18:37:38 +02:00
parent 5709c3cb20
commit 1f6d6929f6
1 changed files with 22 additions and 3 deletions
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25
contrib/git_id/git_id.cpp
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@ -85,6 +85,7 @@ bool allow_replace = false;
bool local = false;
bool do_fetch = false;
bool do_sql = false;
bool use_new_index = true;
// aux
@ -274,6 +275,7 @@ void system_switch_index(const char *cmd)
// but the new index will contains only the desired changes
// while the old may contain others
system(cmd);
if(!use_new_index) return;
if(putenv(new_index_cmd) != 0) return;
system(cmd);
if(putenv(old_index_cmd) != 0) return;
@ -340,15 +342,15 @@ bool amend_commit()
{
printf("+ amending last commit\n");
// commit the contents of the new index
if(putenv(new_index_cmd) != 0) return false;
// commit the contents of the (new) index
if(use_new_index && putenv(new_index_cmd) != 0) return false;
snprintf(cmd, MAX_CMD, "git commit --amend -F-");
if( (cmd_pipe = popen( cmd, "w" )) == NULL )
return false;
fprintf(cmd_pipe, "[%d] %s", rev, head_message);
pclose(cmd_pipe);
if(putenv(old_index_cmd) != 0) return false;
if(use_new_index && putenv(old_index_cmd) != 0) return false;
return true;
}
@ -736,7 +738,23 @@ bool change_sql_history()
bool prepare_new_index()
{
if(!use_new_index) return true;
// only use a new index if there are staged changes that should be preserved
if( (cmd_pipe = popen( "git diff --cached", "r" )) == NULL )
return false;
if(!fgets(buffer, MAX_BUF, cmd_pipe))
{
use_new_index = false;
pclose(cmd_pipe);
return true;
}
pclose(cmd_pipe);
printf("+ preparing new index\n");
// copy the existing index file to a new one
char src_file[MAX_PATH], dst_file[MAX_PATH];
@ -762,6 +780,7 @@ bool prepare_new_index()
bool cleanup_new_index()
{
if(!use_new_index) return true;
printf("+ cleaning up the new index\n");
char idx_file[MAX_PATH];
snprintf(idx_file, MAX_PATH, "%s%s", path_prefix, new_index_file);