install bash completion into share/bash-completion/completions

Makefile

@@ -5,13 +5,10 @@ MANDIR ?= $(PREFIX)/man
 SHAREDIR ?= $(PREFIX)/share
 PYTHON ?= /usr/bin/env python3
 
-# set SYSCONFDIR to /etc if PREFIX=/usr or PREFIX=/usr/local
-SYSCONFDIR = $(shell if [ $(PREFIX) = /usr -o $(PREFIX) = /usr/local ]; then echo /etc; else echo $(PREFIX)/etc; fi)
 
 all: man completion docs/supportedsites.rst
 
 clean:
-	$(RM) gallery-dl.1 gallery-dl.conf.5 gallery-dl.bash_completion
 	$(RM) -r build/
 
 install: man completion
@@ -26,20 +23,20 @@ test:
 executable:
 	scripts/pyinstaller.py
 
-completion: gallery-dl.bash_completion
+completion: build/completion/gallery-dl
 
-man: gallery-dl.1 gallery-dl.conf.5
+man: build/man/gallery-dl.1 build/man/gallery-dl.conf.5
 
 .PHONY: all clean install release test executable completion man
 
 docs/supportedsites.rst: gallery_dl/*/*.py scripts/supportedsites.py
 	$(PYTHON) scripts/supportedsites.py
 
-gallery-dl.1: gallery_dl/option.py scripts/man.py
+build/man/gallery-dl.1: gallery_dl/option.py gallery_dl/version.py scripts/man.py
 	$(PYTHON) scripts/man.py
 
-gallery-dl.conf.5: docs/configuration.rst scripts/man.py
+build/man/gallery-dl.conf.5: docs/configuration.rst gallery_dl/version.py scripts/man.py
 	$(PYTHON) scripts/man.py
 
-gallery-dl.bash_completion: gallery_dl/option.py scripts/bash_completion.py
+build/completion/gallery-dl: gallery_dl/option.py scripts/bash_completion.py
 	$(PYTHON) scripts/bash_completion.py

scripts/bash_completion.py

@@ -47,7 +47,7 @@ for action in option.build_parser()._actions:
         if opt.startswith("--"):
             opts.append(opt)
 
-PATH = util.path("gallery-dl.bash_completion")
+PATH = util.path("build/completion/gallery-dl")
 with open(PATH, "w", encoding="utf-8") as file:
     file.write(TEMPLATE % {
         "opts"    : " ".join(opts),

scripts/man.py

@@ -99,7 +99,7 @@ and https://github.com/mikf/gallery-dl/graphs/contributors
         ))
 
     if not path:
-        path = util.path("gallery-dl.1")
+        path = util.path("build/man/gallery-dl.1")
     with open(path, "w", encoding="utf-8") as file:
         file.write(TEMPLATE.lstrip() % {
             "options": "\n".join(options),
@@ -217,7 +217,7 @@ and https://github.com/mikf/gallery-dl/graphs/contributors
                     content.append(strip_rst(text, field != "Example"))
 
     if not path:
-        path = util.path("gallery-dl.conf.5")
+        path = util.path("build/man/gallery-dl.conf.5")
     with open(path, "w", encoding="utf-8") as file:
         file.write(TEMPLATE.lstrip() % {
             "options": "\n".join(content),

scripts/util.py

@@ -8,4 +8,6 @@ sys.path.insert(0, os.path.realpath(ROOTDIR))
 
 
 def path(*segments, join=os.path.join):
-    return join(ROOTDIR, *segments)
+    result = join(ROOTDIR, *segments)
+    os.makedirs(os.path.dirname(result), exist_ok=True)
+    return result

setup.py

@@ -36,9 +36,9 @@ VERSION = re.search(
 FILES = [
     (path, [f for f in files if check_file(f)])
     for (path, files) in [
-        ('etc/bash_completion.d', ['gallery-dl.bash_completion']),
-        ('share/man/man1'       , ['gallery-dl.1']),
-        ('share/man/man5'       , ['gallery-dl.conf.5']),
+        ("share/bash-completion/completions", ["build/completion/gallery-dl"]),
+        ("share/man/man1"                   , ["build/man/gallery-dl.1"]),
+        ("share/man/man5"                   , ["build/man/gallery-dl.conf.5"]),
     ]
 ]