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authorKaren Arutyunov <karen@codesynthesis.com>2020-11-20 22:07:37 +0300
committerKaren Arutyunov <karen@codesynthesis.com>2020-12-02 17:31:04 +0300
commit0ff39fd77b3127c7a250e7f817e34dfaecbcc208 (patch)
treeedb20351f3d44558201b5668823c191a8722d3a5 /libbuild2/script
parent41a6f8b7d3036708f36ea1b5bd5b8d4289428fe5 (diff)
Add support for buildscript depdb preamble
Diffstat (limited to 'libbuild2/script')
-rw-r--r--libbuild2/script/run.cxx135
1 files changed, 94 insertions, 41 deletions
diff --git a/libbuild2/script/run.cxx b/libbuild2/script/run.cxx
index 3daa789..182696b 100644
--- a/libbuild2/script/run.cxx
+++ b/libbuild2/script/run.cxx
@@ -2299,19 +2299,82 @@ namespace build2
void
clean (environment& env, const location& ll)
{
- context& ctx (env.context);
+ // We don't use the build2 filesystem utilities here in order to remove
+ // the filesystem entries regardless of the dry-run mode and also to add
+ // the location info to diagnostics. Other than that, these lambdas
+ // implement the respective utility functions semantics.
+ //
+ auto rmfile = [&ll] (const path& f)
+ {
+ try
+ {
+ rmfile_status r (try_rmfile (f));
+
+ if (r == rmfile_status::success && verb >= 3)
+ text << "rm " << f;
+
+ return r;
+ }
+ catch (const system_error& e)
+ {
+ fail (ll) << "unable to remove file " << f << ": " << e << endf;
+ }
+ };
+
+ auto rmdir = [&ll] (const dir_path& d)
+ {
+ try
+ {
+ rmdir_status r (!work.sub (d)
+ ? try_rmdir (d)
+ : rmdir_status::not_empty);
+
+ if (r == rmdir_status::success && verb >= 3)
+ text << "rmdir " << d;
+
+ return r;
+ }
+ catch (const system_error& e)
+ {
+ fail (ll) << "unable to remove directory " << d << ": " << e << endf;
+ }
+ };
+
+ auto rmdir_r = [&ll] (const dir_path& d, bool dir)
+ {
+ if (work.sub (d)) // Don't try to remove working directory.
+ return rmdir_status::not_empty;
+
+ if (!build2::entry_exists (d))
+ return rmdir_status::not_exist;
+
+ try
+ {
+ butl::rmdir_r (d, dir);
+ }
+ catch (const system_error& e)
+ {
+ fail (ll) << "unable to remove directory " << d << ": " << e << endf;
+ }
+
+ if (verb >= 3)
+ text << "rmdir -r " << d;
+
+ return rmdir_status::success;
+ };
+
const dir_path& wdir (*env.work_dir.path);
// Note that we operate with normalized paths here.
//
- // Remove special files. The order is not important as we don't
- // expect directories here.
+ // Remove special files. The order is not important as we don't expect
+ // directories here.
//
for (const path& p: env.special_cleanups)
{
// Remove the file if exists. Fail otherwise.
//
- if (rmfile (ctx, p, 3) == rmfile_status::not_exist)
+ if (rmfile (p) == rmfile_status::not_exist)
fail (ll) << "registered for cleanup special file " << p
<< " does not exist";
}
@@ -2332,9 +2395,9 @@ namespace build2
// Wildcard with the last component being '***' (without trailing
// separator) matches all files and sub-directories recursively as
- // well as the start directories itself. So we will recursively
- // remove the directories that match the parent (for the original
- // path) directory wildcard.
+ // well as the start directories itself. So we will recursively remove
+ // the directories that match the parent (for the original path)
+ // directory wildcard.
//
bool recursive (cp.leaf ().representation () == "***");
const path& p (!recursive ? cp : cp.directory ());
@@ -2345,15 +2408,19 @@ namespace build2
{
bool removed (false);
- auto rm = [&cp, recursive, &removed, &ll, &ctx, &wdir]
+ auto rm = [&cp,
+ recursive,
+ &removed,
+ &ll,
+ &wdir,
+ &rmfile, &rmdir, &rmdir_r]
(path&& pe, const string&, bool interm)
{
if (!interm)
{
- // While removing the entry we can get not_exist due to
- // racing conditions, but that's ok if somebody did our job.
- // Note that we still set the removed flag to true in this
- // case.
+ // While removing the entry we can get not_exist due to racing
+ // conditions, but that's ok if somebody did our job. Note that
+ // we still set the removed flag to true in this case.
//
removed = true; // Will be meaningless on failure.
@@ -2363,7 +2430,7 @@ namespace build2
if (!recursive)
{
- rmdir_status r (rmdir (ctx, d, 3));
+ rmdir_status r (rmdir (d));
if (r != rmdir_status::not_empty)
return true;
@@ -2377,13 +2444,10 @@ namespace build2
}
else
{
- // Don't remove the working directory (it will be removed
- // by the dedicated cleanup).
- //
- // Cast to uint16_t to avoid ambiguity with
- // libbutl::rmdir_r().
+ // Don't remove the working directory (it will be removed by
+ // the dedicated cleanup).
//
- rmdir_status r (rmdir_r (ctx, d, d != wdir, 3));
+ rmdir_status r (rmdir_r (d, d != wdir));
if (r != rmdir_status::not_empty)
return true;
@@ -2396,14 +2460,14 @@ namespace build2
}
}
else
- rmfile (ctx, pe, 3);
+ rmfile (pe);
}
return true;
};
- // Note that here we rely on the fact that recursive iterating
- // goes depth-first (which make sense for the cleanup).
+ // Note that here we rely on the fact that recursive iterating goes
+ // depth-first (which make sense for the cleanup).
//
try
{
@@ -2434,9 +2498,8 @@ namespace build2
: "file");
}
- // Remove the directory if exists and empty. Fail otherwise.
- // Removal of non-existing directory is not an error for 'maybe'
- // cleanup type.
+ // Remove the directory if exists and empty. Fail otherwise. Removal
+ // of non-existing directory is not an error for 'maybe' cleanup type.
//
if (p.to_directory ())
{
@@ -2444,20 +2507,10 @@ namespace build2
bool wd (d == wdir);
// Don't remove the working directory for the recursive cleanup
- // (it will be removed by the dedicated one).
- //
- // Note that the root working directory contains the
- // .buildignore file (see above).
- //
- // @@ If 'd' is a file then will fail with a diagnostics having
- // no location info. Probably need to add an optional location
- // parameter to rmdir() function. The same problem exists for
- // a file cleanup when try to rmfile() directory instead of
- // file.
+ // since it needs to be removed by the caller (can contain
+ // .buildignore file, etc).
//
- rmdir_status r (recursive
- ? rmdir_r (ctx, d, !wd, static_cast <uint16_t> (3))
- : rmdir (ctx, d, 3));
+ rmdir_status r (recursive ? rmdir_r (d, !wd) : rmdir (d));
if (r == rmdir_status::success ||
(r == rmdir_status::not_exist && t == cleanup_type::maybe))
@@ -2473,10 +2526,10 @@ namespace build2
print_dir (dr, d, ll);
}
- // Remove the file if exists. Fail otherwise. Removal of
- // non-existing file is not an error for 'maybe' cleanup type.
+ // Remove the file if exists. Fail otherwise. Removal of non-existing
+ // file is not an error for 'maybe' cleanup type.
//
- if (rmfile (ctx, p, 3) == rmfile_status::not_exist &&
+ if (rmfile (p) == rmfile_status::not_exist &&
t == cleanup_type::always)
fail (ll) << "registered for cleanup file " << p
<< " does not exist";