install: add --next flag to install latest commit from git

Signed-off-by: Luca Di Maio <luca.dimaio1@gmail.com>

docs/README.md

@@ -295,6 +295,18 @@ or if you want to select a custom directory to install without sudo:
 curl -s https://raw.githubusercontent.com/89luca89/distrobox/main/install | sh -s -- --prefix ~/.local
 ```
 
+If you want to install the last development version, directly from last commit on git, you can use:
+
+```sh
+curl -s https://raw.githubusercontent.com/89luca89/distrobox/main/install | sudo sh -s -- --next
+```
+
+or:
+
+```sh
+curl -s https://raw.githubusercontent.com/89luca89/distrobox/main/install | sh -s -- --next --prefix ~/.local
+```
+
 Alternatively you can clone the project using `git clone` or using the latest
 release [HERE](https://github.com/89luca89/distrobox/releases/latest).
 

install

@@ -19,6 +19,7 @@
 
 # POSIX
 
+next=0
 verbose=0
 
 # Print usage to stdout.
@@ -57,6 +58,12 @@ while :; do
 				shift
 			fi
 			;;
+		-N | --next)
+			if [ -n "$2" ]; then
+				shift
+				next=1
+			fi
+			;;
 		-P | --prefix)
 			if [ -n "$2" ]; then
 				prefix="$2"
@@ -122,10 +129,14 @@ else
 		exit 1
 	fi
 
-	release_ver=$(curl -L https://github.com/89luca89/distrobox/releases/latest |
-		grep 'refs/tags' | tail -1 | cut -d'"' -f2)
-	release_name=$(echo "${release_ver}" | rev | cut -d'/' -f1 | rev)
-
+	if [ "${next}" -eq 0 ]; then
+		release_ver=$(curl -L https://github.com/89luca89/distrobox/releases/latest |
+			grep 'refs/tags' | tail -1 | cut -d'"' -f2)
+		release_name=$(echo "${release_ver}" | rev | cut -d'/' -f1 | rev)
+	else
+		release_ver="89luca89/distrobox/archive/refs/heads/main.tar.gz"
+		release_name="main"
+	fi
 	# go in tmp
 	tmp_dir="$(mktemp -d)"
 	cd "${tmp_dir}"