util: Drop dead code

These functions were only used in the legacy pungi.gather module that
has since been removed.

Signed-off-by: Lubomír Sedlář <lsedlar@redhat.com>
(cherry picked from commit 8a36744f02040108cbe7e6d590984b3cf8e53b40)

pungi/util.py

@@ -19,8 +19,6 @@ import subprocess
 import os
 import shutil
 import string
-import sys
-import hashlib
 import errno
 import re
 import contextlib
@@ -45,132 +43,6 @@ DEBUG_PATTERN_RE = re.compile(
 )
 
 
-def _doRunCommand(
-    command,
-    logger,
-    rundir="/tmp",
-    output=subprocess.PIPE,
-    error=subprocess.PIPE,
-    env=None,
-):
-    """Run a command and log the output.  Error out if we get something on stderr"""
-
-    logger.info("Running %s" % subprocess.list2cmdline(command))
-
-    p1 = subprocess.Popen(
-        command,
-        cwd=rundir,
-        stdout=output,
-        stderr=error,
-        universal_newlines=True,
-        env=env,
-        close_fds=True,
-    )
-    (out, err) = p1.communicate()
-
-    if out:
-        logger.debug(out)
-
-    if p1.returncode != 0:
-        logger.error("Got an error from %s" % command[0])
-        logger.error(err)
-        raise OSError(
-            "Got an error (%d) from %s: %s" % (p1.returncode, command[0], err)
-        )
-
-
-def _link(local, target, logger, force=False):
-    """Simple function to link or copy a package, removing target optionally."""
-
-    if os.path.exists(target) and force:
-        os.remove(target)
-
-    # check for broken links
-    if force and os.path.islink(target):
-        if not os.path.exists(os.readlink(target)):
-            os.remove(target)
-
-    try:
-        os.link(local, target)
-    except OSError as e:
-        if e.errno != 18:  # EXDEV
-            logger.error("Got an error linking from cache: %s" % e)
-            raise OSError(e)
-
-        # Can't hardlink cross file systems
-        shutil.copy2(local, target)
-
-
-def _ensuredir(target, logger, force=False, clean=False):
-    """Ensure that a directory exists, if it already exists, only continue
-    if force is set."""
-
-    # We have to check existence of a logger, as setting the logger could
-    # itself cause an issue.
-    def whoops(func, path, exc_info):
-        message = "Could not remove %s" % path
-        if logger:
-            logger.error(message)
-        else:
-            sys.stderr(message)
-        sys.exit(1)
-
-    if os.path.exists(target) and not os.path.isdir(target):
-        message = "%s exists but is not a directory." % target
-        if logger:
-            logger.error(message)
-        else:
-            sys.stderr(message)
-        sys.exit(1)
-
-    if not os.path.isdir(target):
-        os.makedirs(target)
-    elif force and clean:
-        shutil.rmtree(target, onerror=whoops)
-        os.makedirs(target)
-    elif force:
-        return
-    else:
-        message = "Directory %s already exists.  Use --force to overwrite." % target
-        if logger:
-            logger.error(message)
-        else:
-            sys.stderr(message)
-        sys.exit(1)
-
-
-def _doCheckSum(path, hash, logger):
-    """Generate a checksum hash from a provided path.
-    Return a string of type:hash"""
-
-    # Try to figure out what hash we want to do
-    try:
-        sum = hashlib.new(hash)
-    except ValueError:
-        logger.error("Invalid hash type: %s" % hash)
-        return False
-
-    # Try to open the file, using binary flag.
-    try:
-        myfile = open(path, "rb")
-    except IOError as e:
-        logger.error("Could not open file %s: %s" % (path, e))
-        return False
-
-    # Loop through the file reading chunks at a time as to not
-    # put the entire file in memory.  That would suck for DVDs
-    while True:
-        chunk = myfile.read(
-            8192
-        )  # magic number!  Taking suggestions for better blocksize
-        if not chunk:
-            break  # we're done with the file
-        sum.update(chunk)
-    myfile.close()
-
-    return "%s:%s" % (hash, sum.hexdigest())
-
-
 def makedirs(path, mode=0o775):
     try:
         os.makedirs(path, mode=mode)