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authorLuke Shumaker <LukeShu@sbcglobal.net>2013-07-09 00:50:14 -0600
committerLuke Shumaker <LukeShu@sbcglobal.net>2013-07-09 00:50:14 -0600
commit9477aee2bc1e61af101396792e7f7d32e5e51c5a (patch)
tree4f589e9786cfd1b2d633c017e36bf4a8245cda6c /src
parentabc170f4dbe938c349ace065a7b8cc7b973a825a (diff)
librefetch: make the second argument optional, document
Diffstat (limited to 'src')
-rwxr-xr-xsrc/librefetch/librefetch40
1 files changed, 31 insertions, 9 deletions
diff --git a/src/librefetch/librefetch b/src/librefetch/librefetch
index 368bfb4..3d37123 100755
--- a/src/librefetch/librefetch
+++ b/src/librefetch/librefetch
@@ -27,16 +27,30 @@ trap cleanup EXIT
cmd=${0##*/}
usage() {
- print "Usage: %s [options] <source-url> <output-file>" "$cmd"
+ print "Usage: %s [options] <source-url> [<output-file>]" "$cmd"
print "Usage: %s -[g|V|h]" "$cmd"
print "Downloads or creates a liberated source tarball."
echo
+ print "The default mode is to create <output-file>, first by trying download"
+ print "mode, then create mode."
+ echo
+ print "If <output-file> isn't specified, it defaults to the non-directory"
+ print "part of <source-url>, in the current directory."
+ echo
+ print "In download mode, the glob '*://' is stripped from the beginning of"
+ print "<source-url>, and the resulting path is attempted to be downloaded"
+ print "from the configured mirror."
+ echo
+ print "In create mode, it looks at a build script, and uses that to create"
+ print "the source tarball. <source-url> is ignored, except that it is used"
+ print "to set the default value of <output-file>."
+ echo
print "The default build script is 'PKGBUILD', or 'SRCBUILD' if it exists."
echo
print "Unrecognized options are passed straight to makepkg."
echo
print "Example usage:"
- print ' $ %s libre://mypackage-1.0.tar.gz $SRCDEST/mypackage-1.0.tar.gz.part' "$cmd"
+ print ' $ %s libre://mypackage-1.0.tar.gz' "$cmd"
echo
print "Options:"
print " Settings:"
@@ -106,13 +120,21 @@ main() {
########################################################################
- if [[ ${#extra_opts[@]} != 2 ]]; then
- print "%s: %d non-flag arguments found, expected 2: %s" "$cmd" ${#extra_opts[@]} >> /dev/stderr
- usage >> /dev/stderr
- return 1
- fi
- local src="${extra_opts[0]#*://}"
- local dst="$(readlink -m "${extra_opts[1]}")"
+ local src dst
+ case ${#extra_opts[@]} in
+ 1)
+ src="${extra_opts[0]#*://}"
+ dst="$(readlink -m "${src##*/}")"
+ ;;
+ 2)
+ src="${extra_opts[0]#*://}"
+ dst="$(readlink -m "${extra_opts[1]}")"
+ ;;
+ *)
+ print "%s: %d non-flag arguments found, expected 1 or 2: %s" "$cmd" ${#extra_opts[@]} >> /dev/stderr
+ usage >> /dev/stderr
+ return 1
+ esac
# Mode: download #######################################################