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authordylan.araps@gmail.com <dylan.araps@gmail.com>2020-03-13 13:43:53 +0000
committerdylan.araps@gmail.com <dylan.araps@gmail.com>2020-03-13 13:43:53 +0000
commit86591b4ecacf708107220861168944124bcf8d93 (patch)
treeac0ddd2306293d7e1790b3cdf791b9047f59787a /contrib/kiss-link
parentcd371f92d29e5985ed9918aaa2d6140b4ce27b47 (diff)
downloadcpt-86591b4ecacf708107220861168944124bcf8d93.tar.gz
contrib: Added kiss-[fork,link]
FossilOrigin-Name: ac16762d076744841d4162ba4c4d99fd0ae6836afd90169d6cb25404e5297601
Diffstat (limited to 'contrib/kiss-link')
-rwxr-xr-xcontrib/kiss-link45
1 files changed, 45 insertions, 0 deletions
diff --git a/contrib/kiss-link b/contrib/kiss-link
new file mode 100755
index 0000000..9412917
--- /dev/null
+++ b/contrib/kiss-link
@@ -0,0 +1,45 @@
+#!/bin/sh -ef
+
+[ "$1" ] || {
+ printf 'usage: kiss-link file\n'
+ exit 1
+}
+
+[ -f "${file:=$1}" ] || {
+ printf 'file %s does not exist in the current directory\n' "$1"
+ exit 1
+}
+
+oPWD=$PWD
+
+# Check if the package exists in a repository and error out here
+# if it does not. The error message from the package manager will
+# be displayed.
+kiss s "${PWD##*/}" >/dev/null
+
+# Disable this warning as globbing is disabled and word splitting
+# is intentional. This grabs the location of the package's files.
+# shellcheck disable=2046
+{
+ # Generate a list of repositories in which the package
+ # exists. Then 'cd' to the first found directory to do a
+ # comparison.
+ set -- $(kiss s "${PWD##*/}"); cd "$1"
+
+ # Error if the package exists nowhere but the current
+ # directory and this script would create a broken symlink.
+ [ -z "$2" ] && [ "$PWD" = "$oPWD" ] && {
+ printf 'error: cannot symlink file to itself\n'
+ exit 1
+ }
+
+ # If the first repository in '$KISS_PATH' is the current
+ # directory, use the second repository in the list.
+ [ "$PWD" = "$oPWD" ] && shift
+
+ # Finally, make the link to the file in whatever repository
+ # it was found in.
+ ln -sf "$1/$file" "$file"
+}
+
+printf 'linked %s to %s\n' "$file" "$1"