>sed.script
-# Answer the sha1 has associated with the tag. The tag must exist in .git/refs/tags
+# Answer the sha1 has associated with the tag. The tag must exist under refs/tags
tag () {
_tag=$1
- test -f ".git/refs/tags/$_tag" || error "tag: \"$_tag\" does not exist"
- cat ".git/refs/tags/$_tag"
+ git rev-parse --verify "refs/tags/$_tag" ||
+ error "tag: \"$_tag\" does not exist"
}
# Generate a commit using the text specified to make it unique and the tree
mv sed.script.tmp sed.script
}
-# Replace unhelpful sha1 hashses with their symbolic equivalents
+# Replace unhelpful sha1 hashes with their symbolic equivalents
entag () {
sed -f sed.script
}
sed -n "s/^committer .*> \([0-9]*\) .*/\1/p"
}
+# Assign the value of fake date to a variable, but
+# allow fairly common "1971-08-16 00:00" to be omittd
+assign_fake_date () {
+ case "$2" in
+ ??:??:??) eval "$1='1971-08-16 $2'" ;;
+ ??:??) eval "$1='1971-08-16 00:$2'" ;;
+ ??) eval "$1='1971-08-16 00:00:$2'" ;;
+ *) eval "$1='$2'" ;;
+ esac
+}
+
on_committer_date () {
- _date=$1
- shift 1
- GIT_COMMITTER_DATE="$_date"
+ assign_fake_date GIT_COMMITTER_DATE "$1"
export GIT_COMMITTER_DATE
+ shift 1
+ "$@"
+}
+
+on_dates () {
+ assign_fake_date GIT_COMMITTER_DATE "$1"
+ assign_fake_date GIT_AUTHOR_DATE "$2"
+ export GIT_COMMITTER_DATE GIT_AUTHOR_DATE
+ shift 2
"$@"
- unset GIT_COMMITTER_DATE
}
# Execute a command and suppress any error output.