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-rw-r--r--modules/blobs/commit.f.sh48
1 files changed, 30 insertions, 18 deletions
diff --git a/modules/blobs/commit.f.sh b/modules/blobs/commit.f.sh
index 098be9d..233f7bb 100644
--- a/modules/blobs/commit.f.sh
+++ b/modules/blobs/commit.f.sh
@@ -1,7 +1,8 @@
#!/usr/bin/env bash
-# rvs blobs/commit.f - add a plain file to the repository
-# Copyright (C) 2009-2010, 2015-2016 Luke Shumaker
-#
+name=blobs/commit.f
+desc='Add a plain file to the repository'
+copyright=('2009-2010, 2015-2016 Luke Shumaker')
+license='AGPLv3+'
# This file is part of rvs.
#
# This program is free software: you can redistribute it and/or modify
@@ -17,21 +18,32 @@
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
-. "${0%/*}/_stdio.sh"
-
usage='FILENAME [TYPE]'
-case $# in
- 0) errusage;;
- 1) infile=$1; type=f;;
- 2) infile=$1; type=$2;;
- *) errusage;;
-esac
+doc="Note that FILENAME must be a regular file; character devices such as
+/dev/stdin or /dev/fd/n won't work."
+
+. "${0%/*}/_shlib.sh"
+
+main() {
+ case $# in
+ 0) errusage;;
+ 1) infile=$1; type=f;;
+ 2) infile=$1; type=$2;;
+ *) errusage;;
+ esac
+
+ if ! [[ -f "$infile" ]]; then
+ error 'Not a regular file: %s' "$infile"
+ fi
-hash="$(<"$file" sha1sum | cut -d ' ' -f1)"
-outfile="$RVS_REPO/blobs/$hash"
-if [ ! -f "$outfile" ]; then
- mkdir -p -- "${outfile%/*}"
- < "$infile" gzip -9 > "$outfile"
-fi
-printf '%s:%s\n' "$type" "$hash"
+ hash="$(<"$infile" sha1sum | cut -d ' ' -f1)"
+ outfile="$RVS_REPO/blobs/$hash"
+ if [ ! -f "$outfile" ]; then
+ mkdir -p -- "${outfile%/*}"
+ < "$infile" gzip -9 > "$outfile.tmp"
+ mv -T -- "$outfile.tmp" "$outfile"
+ fi
+ printf '%s:%s\n' "$type" "$hash"
+}
+main "$@"